PU Box Foaming Full Production Line Solution | Haifeng<\/title>\r\n <meta name=\"description\" content=\"Complete batch-type PU box foaming production line for flexible foam blocks, including low-density, high-resilience and slow-rebound foam.\">\r\n <meta name=\"robots\" content=\"index, follow, max-image-preview:large, max-snippet:-1\">\r\n <link rel=\"canonical\" href=\"https:\/\/www.haifengmachine.com\/pu-box-foaming-production-line\">\r\n <meta property=\"og:title\" content=\"PU Box Foaming Full Production Line Solution | Haifeng\">\r\n <meta property=\"og:description\" content=\"Stable mixing performance, wide density range, suitable for furniture, bedding, packaging and automotive interior materials.\">\r\n <meta property=\"og:image\" content=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68481.png\">\r\n <meta property=\"og:type\" content=\"article\">\r\n <meta property=\"og:site_name\" content=\"Haifeng Polyurethane 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1px solid var(--haifeng-border);\r\n border-radius: 8px;\r\n transition: all 0.3s ease;\r\n }\r\n .faq-item:hover {\r\n border-color: var(--haifeng-primary);\r\n }\r\n .faq-question {\r\n color: var(--haifeng-primary);\r\n font-weight: bold;\r\n font-size: 1.1em;\r\n margin-bottom: 8px;\r\n display: block;\r\n list-style: none;\r\n cursor: pointer;\r\n }\r\n .faq-question::-webkit-details-marker {\r\n display: none;\r\n }\r\n .faq-answer {\r\n color: #555;\r\n margin-left: 0;\r\n }\r\n .cta-section {\r\n margin-top: 20px;\r\n padding: 36px;\r\n background: linear-gradient(135deg, var(--haifeng-primary) 0%, var(--haifeng-secondary) 100%);\r\n border-radius: 12px;\r\n color: #fff;\r\n text-align: center;\r\n }\r\n .cta-section h3 {\r\n font-size: 22px;\r\n margin-bottom: 20px;\r\n color: #fff;\r\n }\r\n .contact-info {\r\n display: grid;\r\n grid-template-columns: repeat(3, 1fr);\r\n gap: 20px;\r\n margin-top: 24px;\r\n }\r\n .contact-item {\r\n padding: 14px;\r\n background-color: rgba(255, 255, 255, 0.1);\r\n border-radius: 8px;\r\n font-size: 15px;\r\n transition: all 0.3s ease;\r\n }\r\n .contact-item:hover {\r\n background-color: rgba(255, 255, 255, 0.2);\r\n }\r\n .contact-item a {\r\n color: #ffffff;\r\n text-decoration: none;\r\n }\r\n .cta-btn {\r\n display: inline-block;\r\n margin-top: 20px;\r\n background: #fff;\r\n color: var(--haifeng-primary);\r\n padding: 10px 25px;\r\n border-radius: 4px;\r\n text-decoration: none;\r\n font-weight: bold;\r\n transition: all 0.3s ease;\r\n }\r\n .cta-btn:hover {\r\n transform: scale(1.05);\r\n }\r\n .tags {\r\n margin-top: 32px;\r\n display: flex;\r\n flex-wrap: wrap;\r\n gap: 10px;\r\n justify-content: center;\r\n padding-bottom: 40px;\r\n }\r\n .tag {\r\n padding: 5px 14px;\r\n background-color: var(--haifeng-light);\r\n color: var(--haifeng-primary);\r\n border-radius: 20px;\r\n font-size: 13px;\r\n text-decoration: none;\r\n transition: all 0.3s ease;\r\n }\r\n .tag:hover {\r\n background-color: var(--haifeng-primary);\r\n color: #fff;\r\n }\r\n footer {\r\n text-align: center;\r\n margin-top: 30px;\r\n padding: 20px;\r\n color: var(--text-light);\r\n font-size: 0.9em;\r\n border-top: 1px solid #eee;\r\n }\r\n @media (max-width: 992px) {\r\n .contact-info {\r\n grid-template-columns: 1fr;\r\n }\r\n .hero-title {\r\n font-size: 22px;\r\n }\r\n .section-title {\r\n font-size: 20px;\r\n }\r\n .section {\r\n padding: 32px 20px;\r\n }\r\n .standard-table {\r\n display: block;\r\n overflow-x: auto;\r\n }\r\n .img-container img, .hero-img-group img {\r\n max-width: 100%;\r\n }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n <div class=\"container\">\r\n \r\n <section class=\"hero-section\">\r\n <h2 class=\"hero-title\">PU Box Foaming Full Production Line Solution & Technical Specs<\/h2>\r\n <div class=\"intro-card\">\r\n This complete batch-type foaming system is provided by Haifeng Polyurethane Machinery. Specially designed for flexible PU foam blocks, it covers low-density, high-resilience and slow-rebound foam production. Featuring stable mixing performance, wide density range and easy operation, it is widely used in furniture, bedding, packaging and automotive interior material factories.\r\n <\/div>\r\n <div class=\"post-date\">Documento t\u00e9cnico | Junho de 2026 Haifeng Machinery<\/div>\r\n\r\n <div class=\"hero-img-group\">\r\n <img decoding=\"async\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68481.png\" alt=\"PU box foam block finished product\" loading=\"lazy\" title=\"\">\r\n <img decoding=\"async\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68482.png\" alt=\"Sliced foam sample\" loading=\"lazy\" title=\"\">\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Basic Project Information<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Item<\/th>\r\n <th>Detailed Specification<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Raw Material System<\/td>\r\n <td>PPG, POP, TDI, silicone oil, A33, T9, water, color paste and other additives (Manual dosing for minor ingredients)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Foam Density Range<\/td>\r\n <td>8 ~ 80 kg\/m\u00b3 (Covers low-density, high-resilience & slow-rebound foam)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Mixing Mode<\/td>\r\n <td>High-speed mixing, Max speed: 6000 rpm; Pneumatic tilting mixing barrel<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Standard Mold Box<\/td>\r\n <td>2 sets, Dimension: L1050\u00d7W1050\u00d7H1200 mm<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Casting Performance<\/td>\r\n <td>Max single shot weight: approx 60 kg; Adjustable flow, Metering accuracy: \u00b10.5%<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Sistema de controlo<\/td>\r\n <td>HMI + PLC semi-automatic control (Touch screen operation)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Standard Color<\/td>\r\n <td>Industrial off-white & gray<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Heating System<\/td>\r\n <td>Internal coil heating for material tanks + Circulating water cooling & heating system<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Production Capacity Data<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Foam Type<\/th>\r\n <th>Mold Size<\/th>\r\n <th>Single Shot Weight<\/th>\r\n <th>Single Cycle Time<\/th>\r\n <th>8h Shift Output<\/th>\r\n <th>16h Daily Output<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Conventional Soft Foam (25kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 33 kg<\/td>\r\n <td>25 ~ 30 mins<\/td>\r\n <td>16 ~ 18 blocks<\/td>\r\n <td>32 ~ 36 blocks<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>High-resilience Foam (45kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 59 kg<\/td>\r\n <td>35 ~ 40 mins<\/td>\r\n <td>12 ~ 14 blocks<\/td>\r\n <td>24 ~ 28 blocks<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Low-density Foam (12kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 16 kg<\/td>\r\n <td>20 mins<\/td>\r\n <td>22 blocks<\/td>\r\n <td>44 blocks<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <p><em>Remark: The actual output is 80% ~ 90% of the theoretical value, affected by formula, ambient temperature and operator proficiency. It is recommended to equip with slicing machines to improve overall efficiency.<\/em><\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Standard Production Process<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Procedure<\/th>\r\n <th>Operation Description<\/th>\r\n <th>Equipment<\/th>\r\n <th>Picture<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Raw Material Preheating<\/td>\r\n <td>Heat PPG, POP, TDI to 20 ~ 40\u2103 via automatic constant temperature system; Weigh and prepare minor additives manually.<\/td>\r\n <td>Raw Material Preheating Equipment<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68484.png\" alt=\"Raw material preheating equipment\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Mixing Preparation<\/td>\r\n <td>Clean the mixing barrel, inspect pneumatic tilting device, transfer major materials into the barrel and add minor ingredients.<\/td>\r\n <td>Mixing Barrel<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68485.png\" alt=\"Mixing barrel\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>High-speed Mixing & Casting<\/td>\r\n <td>Start the mixing unit (Max 6000 rpm). After sufficient mixing, pour materials into the square mold box.<\/td>\r\n <td>Cabe\u00e7a misturadora<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/1.png\" alt=\"Mixing head\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Free Foaming<\/td>\r\n <td>Materials expand and foam freely inside the mold box; Control reaction temperature with proper ventilation.<\/td>\r\n <td>Square Mold Box<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68487.png\" alt=\"Mold box\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Demolding & Curing<\/td>\r\n <td>Demold after 20 ~ 40 mins; Place foam blocks in curing area for more than 24 hours to achieve stable physical properties.<\/td>\r\n <td>Curing Area<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68488.png\" alt=\"Demolding and curing\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Cutting & Finishing<\/td>\r\n <td>Use horizontal disc cutter and vertical cutter for slicing, trimming and final packaging.<\/td>\r\n <td>Foam Cutting Machines<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68489.png\" alt=\"Cutting process\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n\r\n <div class=\"img-container\">\r\n <img decoding=\"async\" style=\"max-width:600px!important;width:100%!important;height:auto!important;\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68483.png\" alt=\"Box foaming process flow chart\" loading=\"lazy\" title=\"\">\r\n <p class=\"caption\">Full Process Flow: Raw material tanks \u2192 High-speed mixing \u2192 Box foaming \u2192 Demolding & curing \u2192 Cutting \u2192 Finished product packaging<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Full Equipment List<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Equipment Name<\/th>\r\n <th>Model<\/th>\r\n <th>Quantity<\/th>\r\n <th>Overall Size (mm)<\/th>\r\n <th>Core Parameters<\/th>\r\n <th>Picture<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Semi-automatic Box Foaming Machine<\/td>\r\n <td>HF-SAF01<\/td>\r\n <td>1 set<\/td>\r\n <td>L3500\u00d7W2500\u00d7H2800<\/td>\r\n <td>Total power: 52 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684810.png\" alt=\"Box foaming machine\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Horizontal Disc Cutter<\/td>\r\n <td>HF-HC02<\/td>\r\n <td>1 set<\/td>\r\n <td>W1500\u00d7L2000\u00d7H1200<\/td>\r\n <td>Blade length: 10000 mm, Power: 8.92 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684811.png\" alt=\"Horizontal disc cutter\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Vertical Foam Cutter<\/td>\r\n <td>HF-V03<\/td>\r\n <td>1 set<\/td>\r\n <td>1720\u00d72440 mm<\/td>\r\n <td>Blade length: 8900 mm, Power: 1.74 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684812.png\" alt=\"Vertical foam cutter\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Square Mold Box<\/td>\r\n <td>Custom<\/td>\r\n <td>2 sets<\/td>\r\n <td>1050\u00d71050\u00d7H1200<\/td>\r\n <td>Aluminum \/ Steel structure<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68487.png\" alt=\"Mold box\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Water Chiller<\/td>\r\n <td>\/<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Power: 1.91 KW, For temperature control<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684813.png\" alt=\"Water chiller\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Air Compressor & Air Tank<\/td>\r\n <td>\/<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Power: 22 KW, Stable air supply<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684814.png\" alt=\"Air compressor and tank\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Automatic Feeding System<\/td>\r\n <td>Optional<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Reduce manual operation<\/td>\r\n <td>\u2014<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Raw Material Oven & Nitrogen Protection<\/td>\r\n <td>Optional<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Anti-oxidation & preheating<\/td>\r\n <td>\u2014<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Core Component Specifications<\/h2>\r\n <div class=\"content-block\">\r\n <h3>Box Foaming Main Unit<\/h3>\r\n <ul>\r\n <li>Mixing Barrel: Diameter 560 mm, Pneumatic tilting type, Mixing motor: 11 KW, Max speed: 6000 rpm<\/li>\r\n <li>Material Tanks: 3 sets (3T PPG \/ 3T POP \/ 3T TDI), Internal coil heating<\/li>\r\n <li>Temperature Control: Circulating water system, Adjustable range: 20 ~ 50\u2103, 1HP circulating pump<\/li>\r\n <li>Control System: Mitsubishi PLC + Delta 10-inch touch screen, French valves, Delta inverter<\/li>\r\n <li>Metering Pump: Domestic pump for PPG\/POP, Shanghai pump for TDI; Metering accuracy \u00b10.5%<\/li>\r\n <\/ul>\r\n\r\n <h3>Horizontal Disc Cutter<\/h3>\r\n <p>Cutting thickness: 2 ~ 150 mm, Worktable speed: 0 ~ 3.5 rpm, Equipped with Japanese LINE encoder<\/p>\r\n\r\n <h3>Vertical Cutter<\/h3>\r\n <p>T75 lifting guide rail, Equipped with spare blade and grinding wheel<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Workshop & Operating Requirements<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Item<\/th>\r\n <th>Standard Requirement<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Workshop Space<\/td>\r\n <td>Hardened floor, Area \u226520m\u00d710m, Independent raw material storage zone<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Ambient Condition<\/td>\r\n <td>Temp: 15 ~ 35\u2103, Humidity \u226480%, No condensation, Keep away from open fire<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Power Supply<\/td>\r\n <td>3\u00d7380V \u00b15%, 50Hz, Reliable grounding, Total power: about 60 KW<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Compressed Air<\/td>\r\n <td>0.6 ~ 0.8 MPa, Oil-free & dry, Air output \u22651.5 m\u00b3\/min<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Cooling Water<\/td>\r\n <td>Temp \u226425\u2103, Flow \u22653 m\u00b3\/h<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Operators<\/td>\r\n <td>2 ~ 6 trained workers<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Environmental Requirement<\/td>\r\n <td>Equip local exhaust system, Comply with local VOC emission standards<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Power Consumption<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Total installed power: About 70 KW<\/li>\r\n <li>Actual operating power: 35 ~ 50 KW (Intermittent operation)<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Common Defects & Troubleshooting<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Defect<\/th>\r\n <th>Root Cause<\/th>\r\n <th>Solu\u00e7\u00f5es<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Uneven foam density<\/td>\r\n <td>Unstable material temperature \/ Inaccurate metering<\/td>\r\n <td>Calibrate pump; Stabilize raw material temperature<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Foam shrinkage<\/td>\r\n <td>Improper formula \/ Insufficient curing time<\/td>\r\n <td>Adjust formula; Extend curing time<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Internal voids & air holes<\/td>\r\n <td>Poor ventilation \/ Raw material absorbs moisture<\/td>\r\n <td>Enhance ventilation; Seal material tanks tightly<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Hard & brittle foam<\/td>\r\n <td>Excessive catalyst \/ Improper material ratio<\/td>\r\n <td>Optimize additive dosage; Recheck formula<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Slow foaming reaction<\/td>\r\n <td>Low ambient temperature \/ Low material temperature<\/td>\r\n <td>Increase preheating temperature<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Optional Upgrades & Customization<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Full automatic feeding system<\/li>\r\n <li>Nitrogen protection device for raw materials<\/li>\r\n <li>Custom-sized mold boxes<\/li>\r\n <li>Voltage & frequency adaptation for global power grids<\/li>\r\n <li>MES data tracking system<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Packaging & Delivery<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Loading Capacity: 1 \u00d7 40GP container<\/li>\r\n <li>Package: EPE foam + Winding film, Export standard<\/li>\r\n <li>Production Lead Time: Within 30 working days after deposit<\/li>\r\n <li>Delivery Scope: Main unit, cutters, molds, standard spare parts<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">After-Sales Service<\/h2>\r\n <div class=\"content-block\">\r\n <ol>\r\n <li>Provide complete documents: Operation manual, electrical drawings, layout drawings and formula guide.<\/li>\r\n <li>Overseas engineer on-site installation, commissioning and operator training (Buyer bears relevant fees).<\/li>\r\n <li>Warranty period: 12 months from delivery date, free spare parts for non-artificial damage.<\/li>\r\n <li>Lifetime technical support and spare parts supply after warranty.<\/li>\r\n <\/ol>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Perguntas frequentes<\/h2>\r\n <div class=\"faq-section\">\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can this line produce different types of PU foam?<\/summary>\r\n <div class=\"faq-answer\">Yes, it supports low-density, high-resilience and slow-rebound foam by adjusting formulas.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Is the mold size customizable?<\/summary>\r\n <div class=\"faq-answer\">We can customize mold boxes of different dimensions according to your demands.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can the equipment adapt to different national power?<\/summary>\r\n <div class=\"faq-answer\">We support voltage and frequency customization for global markets.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">What is the key daily maintenance work?<\/summary>\r\n <div class=\"faq-answer\">Clean mixing barrel and pipelines daily; Check temperature and pressure per shift.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can old lines be partially upgraded?<\/summary>\r\n <div class=\"faq-answer\">We provide targeted partial renovation solutions to save costs.<\/div>\r\n <\/details>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"cta-section\">\r\n <h3>Get Custom Box Foaming Production Line Solution<\/h3>\r\n <p>Free workshop layout design, technical consultation and equipment quotation available.<\/p>\r\n <a href=\"https:\/\/haifengmachine.com\/contact-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"cta-btn\">Consulta gratuita<\/a>\r\n <div class=\"contact-info\">\r\n <div class=\"contact-item\">\r\n <strong>Correio eletr\u00f3nico<\/strong>\r\n <a href=\"mailto:info@haifeng-automation.cn\">info@haifeng-automation.cn<\/a>\r\n <\/div>\r\n <div class=\"contact-item\">\r\n <strong>Site oficial<\/strong>\r\n <a href=\"https:\/\/www.haifengmachine.com\" target=\"_blank\">www.haifengmachine.com<\/a>\r\n <\/div>\r\n <div class=\"contact-item\">\r\n <strong>WhatsApp<\/strong>\r\n <a href=\"https:\/\/wa.me\/8613566296633\" target=\"_blank\" rel=\"noopener\">+86 13566296633<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <div class=\"tags\">\r\n <a href=\"\/tag\/PUBoxFoaming\/\" class=\"tag\">#PUBoxFoaming<\/a>\r\n <a href=\"\/tag\/FoamProductionLine\/\" class=\"tag\">#FoamProductionLine<\/a>\r\n <a href=\"\/tag\/PUFoam\/\" class=\"tag\">#PUEspuma<\/a>\r\n <a href=\"\/tag\/BatchFoaming\/\" class=\"tag\">#BatchFoaming<\/a>\r\n <a href=\"\/tag\/FoamCuttingMachine\/\" class=\"tag\">#FoamCuttingMachine<\/a>\r\n 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Todos os direitos reservados.\r\n <\/footer>\r\n <\/div>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":7050,"template":"","meta":{"_acf_changed":false},"solution-category":[109],"class_list":["post-7049","solution","type-solution","status-publish","has-post-thumbnail","hentry","solution-category-sponge"],"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/solution\/7049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/solution"}],"about":[{"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/types\/solution"}],"version-history":[{"count":7,"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/solution\/7049\/revisions"}],"predecessor-version":[{"id":7073,"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/solution\/7049\/revisions\/7073"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/media\/7050"}],"wp:attachment":[{"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/media?parent=7049"}],"wp:term":[{"taxonomy":"solution-category","embeddable":true,"href":"https:\/\/haifengmachine.com\/pt\/wp-json\/wp\/v2\/solution-category?post=7049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\r\n\r\n\r\n \r\n \r\n PU Box Foaming Full Production Line Solution | Haifeng<\/title>\r\n <meta name=\"description\" content=\"Complete batch-type PU box foaming production line for flexible foam blocks, including low-density, high-resilience and slow-rebound foam.\">\r\n <meta name=\"robots\" content=\"index, follow, max-image-preview:large, max-snippet:-1\">\r\n <link rel=\"canonical\" href=\"https:\/\/www.haifengmachine.com\/pu-box-foaming-production-line\">\r\n <meta property=\"og:title\" content=\"PU Box Foaming Full Production Line Solution | Haifeng\">\r\n <meta property=\"og:description\" content=\"Stable mixing performance, wide density range, suitable for furniture, bedding, packaging and automotive interior materials.\">\r\n <meta property=\"og:image\" content=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68481.png\">\r\n <meta property=\"og:type\" content=\"article\">\r\n <meta property=\"og:site_name\" content=\"Haifeng Polyurethane Machinery\">\r\n <style>\r\n :root {\r\n --haifeng-primary: #0F5132;\r\n --haifeng-secondary: #1A7347;\r\n --haifeng-light: #F0F7F4;\r\n --haifeng-border: #D6E5DE;\r\n --text-dark: #212121;\r\n --text-light: #666666;\r\n }\r\n * {\r\n margin: 0;\r\n padding: 0;\r\n box-sizing: border-box;\r\n font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;\r\n }\r\n body {\r\n color: var(--text-dark);\r\n line-height: 1.65;\r\n background-color: #FAFBFA;\r\n }\r\n .container {\r\n max-width: 1280px;\r\n margin: 0 auto;\r\n padding: 0 24px;\r\n }\r\n .hero-section {\r\n padding: 40px 0;\r\n text-align: center;\r\n background-color: #ffffff;\r\n border-radius: 12px;\r\n box-shadow: 0 2px 12px rgba(0,0,0,0.04);\r\n margin-top: 30px;\r\n }\r\n .hero-title {\r\n color: var(--haifeng-primary);\r\n font-size: 28px;\r\n line-height: 1.4;\r\n margin-bottom: 32px;\r\n max-width: 900px;\r\n margin: 0 auto;\r\n }\r\n .intro-card {\r\n 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padding: 16px 20px;\r\n background: #fff;\r\n border: 1px solid var(--haifeng-border);\r\n border-radius: 8px;\r\n transition: all 0.3s ease;\r\n }\r\n .faq-item:hover {\r\n border-color: var(--haifeng-primary);\r\n }\r\n .faq-question {\r\n color: var(--haifeng-primary);\r\n font-weight: bold;\r\n font-size: 1.1em;\r\n margin-bottom: 8px;\r\n display: block;\r\n list-style: none;\r\n cursor: pointer;\r\n }\r\n .faq-question::-webkit-details-marker {\r\n display: none;\r\n }\r\n .faq-answer {\r\n color: #555;\r\n margin-left: 0;\r\n }\r\n .cta-section {\r\n margin-top: 20px;\r\n padding: 36px;\r\n background: linear-gradient(135deg, var(--haifeng-primary) 0%, var(--haifeng-secondary) 100%);\r\n border-radius: 12px;\r\n color: #fff;\r\n text-align: center;\r\n }\r\n .cta-section h3 {\r\n font-size: 22px;\r\n margin-bottom: 20px;\r\n color: #fff;\r\n }\r\n .contact-info {\r\n display: grid;\r\n grid-template-columns: repeat(3, 1fr);\r\n gap: 20px;\r\n margin-top: 24px;\r\n }\r\n .contact-item {\r\n padding: 14px;\r\n background-color: rgba(255, 255, 255, 0.1);\r\n border-radius: 8px;\r\n font-size: 15px;\r\n transition: all 0.3s ease;\r\n }\r\n .contact-item:hover {\r\n background-color: rgba(255, 255, 255, 0.2);\r\n }\r\n .contact-item a {\r\n color: #ffffff;\r\n text-decoration: none;\r\n }\r\n .cta-btn {\r\n display: inline-block;\r\n margin-top: 20px;\r\n background: #fff;\r\n color: var(--haifeng-primary);\r\n padding: 10px 25px;\r\n border-radius: 4px;\r\n text-decoration: none;\r\n font-weight: bold;\r\n transition: all 0.3s ease;\r\n }\r\n .cta-btn:hover {\r\n transform: scale(1.05);\r\n }\r\n .tags {\r\n margin-top: 32px;\r\n display: flex;\r\n flex-wrap: wrap;\r\n gap: 10px;\r\n justify-content: center;\r\n padding-bottom: 40px;\r\n }\r\n .tag {\r\n padding: 5px 14px;\r\n background-color: var(--haifeng-light);\r\n color: var(--haifeng-primary);\r\n border-radius: 20px;\r\n font-size: 13px;\r\n text-decoration: none;\r\n transition: all 0.3s ease;\r\n }\r\n .tag:hover {\r\n background-color: var(--haifeng-primary);\r\n color: #fff;\r\n }\r\n footer {\r\n text-align: center;\r\n margin-top: 30px;\r\n padding: 20px;\r\n color: var(--text-light);\r\n font-size: 0.9em;\r\n border-top: 1px solid #eee;\r\n }\r\n @media (max-width: 992px) {\r\n .contact-info {\r\n grid-template-columns: 1fr;\r\n }\r\n .hero-title {\r\n font-size: 22px;\r\n }\r\n .section-title {\r\n font-size: 20px;\r\n }\r\n .section {\r\n padding: 32px 20px;\r\n }\r\n .standard-table {\r\n display: block;\r\n overflow-x: auto;\r\n }\r\n .img-container img, .hero-img-group img {\r\n max-width: 100%;\r\n }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n <div class=\"container\">\r\n \r\n <section class=\"hero-section\">\r\n <h2 class=\"hero-title\">PU Box Foaming Full Production Line Solution & Technical Specs<\/h2>\r\n <div class=\"intro-card\">\r\n This complete batch-type foaming system is provided by Haifeng Polyurethane Machinery. Specially designed for flexible PU foam blocks, it covers low-density, high-resilience and slow-rebound foam production. Featuring stable mixing performance, wide density range and easy operation, it is widely used in furniture, bedding, packaging and automotive interior material factories.\r\n <\/div>\r\n <div class=\"post-date\">Documento t\u00e9cnico | Junho de 2026 Haifeng Machinery<\/div>\r\n\r\n <div class=\"hero-img-group\">\r\n <img decoding=\"async\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68481.png\" alt=\"PU box foam block finished product\" loading=\"lazy\" title=\"\">\r\n <img decoding=\"async\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68482.png\" alt=\"Sliced foam sample\" loading=\"lazy\" title=\"\">\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Basic Project Information<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Item<\/th>\r\n <th>Detailed Specification<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Raw Material System<\/td>\r\n <td>PPG, POP, TDI, silicone oil, A33, T9, water, color paste and other additives (Manual dosing for minor ingredients)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Foam Density Range<\/td>\r\n <td>8 ~ 80 kg\/m\u00b3 (Covers low-density, high-resilience & slow-rebound foam)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Mixing Mode<\/td>\r\n <td>High-speed mixing, Max speed: 6000 rpm; Pneumatic tilting mixing barrel<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Standard Mold Box<\/td>\r\n <td>2 sets, Dimension: L1050\u00d7W1050\u00d7H1200 mm<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Casting Performance<\/td>\r\n <td>Max single shot weight: approx 60 kg; Adjustable flow, Metering accuracy: \u00b10.5%<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Sistema de controlo<\/td>\r\n <td>HMI + PLC semi-automatic control (Touch screen operation)<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Standard Color<\/td>\r\n <td>Industrial off-white & gray<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Heating System<\/td>\r\n <td>Internal coil heating for material tanks + Circulating water cooling & heating system<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Production Capacity Data<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Foam Type<\/th>\r\n <th>Mold Size<\/th>\r\n <th>Single Shot Weight<\/th>\r\n <th>Single Cycle Time<\/th>\r\n <th>8h Shift Output<\/th>\r\n <th>16h Daily Output<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Conventional Soft Foam (25kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 33 kg<\/td>\r\n <td>25 ~ 30 mins<\/td>\r\n <td>16 ~ 18 blocks<\/td>\r\n <td>32 ~ 36 blocks<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>High-resilience Foam (45kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 59 kg<\/td>\r\n <td>35 ~ 40 mins<\/td>\r\n <td>12 ~ 14 blocks<\/td>\r\n <td>24 ~ 28 blocks<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Low-density Foam (12kg\/m\u00b3)<\/td>\r\n <td>1050\u00d71050\u00d71200 mm<\/td>\r\n <td>Approx 16 kg<\/td>\r\n <td>20 mins<\/td>\r\n <td>22 blocks<\/td>\r\n <td>44 blocks<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <p><em>Remark: The actual output is 80% ~ 90% of the theoretical value, affected by formula, ambient temperature and operator proficiency. It is recommended to equip with slicing machines to improve overall efficiency.<\/em><\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Standard Production Process<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Procedure<\/th>\r\n <th>Operation Description<\/th>\r\n <th>Equipment<\/th>\r\n <th>Picture<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Raw Material Preheating<\/td>\r\n <td>Heat PPG, POP, TDI to 20 ~ 40\u2103 via automatic constant temperature system; Weigh and prepare minor additives manually.<\/td>\r\n <td>Raw Material Preheating Equipment<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68484.png\" alt=\"Raw material preheating equipment\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Mixing Preparation<\/td>\r\n <td>Clean the mixing barrel, inspect pneumatic tilting device, transfer major materials into the barrel and add minor ingredients.<\/td>\r\n <td>Mixing Barrel<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68485.png\" alt=\"Mixing barrel\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>High-speed Mixing & Casting<\/td>\r\n <td>Start the mixing unit (Max 6000 rpm). After sufficient mixing, pour materials into the square mold box.<\/td>\r\n <td>Cabe\u00e7a misturadora<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/1.png\" alt=\"Mixing head\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Free Foaming<\/td>\r\n <td>Materials expand and foam freely inside the mold box; Control reaction temperature with proper ventilation.<\/td>\r\n <td>Square Mold Box<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68487.png\" alt=\"Mold box\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Demolding & Curing<\/td>\r\n <td>Demold after 20 ~ 40 mins; Place foam blocks in curing area for more than 24 hours to achieve stable physical properties.<\/td>\r\n <td>Curing Area<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68488.png\" alt=\"Demolding and curing\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Cutting & Finishing<\/td>\r\n <td>Use horizontal disc cutter and vertical cutter for slicing, trimming and final packaging.<\/td>\r\n <td>Foam Cutting Machines<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68489.png\" alt=\"Cutting process\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n\r\n <div class=\"img-container\">\r\n <img decoding=\"async\" style=\"max-width:600px!important;width:100%!important;height:auto!important;\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68483.png\" alt=\"Box foaming process flow chart\" loading=\"lazy\" title=\"\">\r\n <p class=\"caption\">Full Process Flow: Raw material tanks \u2192 High-speed mixing \u2192 Box foaming \u2192 Demolding & curing \u2192 Cutting \u2192 Finished product packaging<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Full Equipment List<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Equipment Name<\/th>\r\n <th>Model<\/th>\r\n <th>Quantity<\/th>\r\n <th>Overall Size (mm)<\/th>\r\n <th>Core Parameters<\/th>\r\n <th>Picture<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Semi-automatic Box Foaming Machine<\/td>\r\n <td>HF-SAF01<\/td>\r\n <td>1 set<\/td>\r\n <td>L3500\u00d7W2500\u00d7H2800<\/td>\r\n <td>Total power: 52 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684810.png\" alt=\"Box foaming machine\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Horizontal Disc Cutter<\/td>\r\n <td>HF-HC02<\/td>\r\n <td>1 set<\/td>\r\n <td>W1500\u00d7L2000\u00d7H1200<\/td>\r\n <td>Blade length: 10000 mm, Power: 8.92 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684811.png\" alt=\"Horizontal disc cutter\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Vertical Foam Cutter<\/td>\r\n <td>HF-V03<\/td>\r\n <td>1 set<\/td>\r\n <td>1720\u00d72440 mm<\/td>\r\n <td>Blade length: 8900 mm, Power: 1.74 KW<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684812.png\" alt=\"Vertical foam cutter\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Square Mold Box<\/td>\r\n <td>Custom<\/td>\r\n <td>2 sets<\/td>\r\n <td>1050\u00d71050\u00d7H1200<\/td>\r\n <td>Aluminum \/ Steel structure<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u68487.png\" alt=\"Mold box\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Water Chiller<\/td>\r\n <td>\/<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Power: 1.91 KW, For temperature control<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684813.png\" alt=\"Water chiller\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Air Compressor & Air Tank<\/td>\r\n <td>\/<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Power: 22 KW, Stable air supply<\/td>\r\n <td><img decoding=\"async\" style=\"max-width:120px!important;width:auto!important;height:auto!important;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.1);\" src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u7bb1\u6ce1\u53d1\u6ce1\u89e3\u51b3\u65b9\u684814.png\" alt=\"Air compressor and tank\" loading=\"lazy\" title=\"\"><\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Automatic Feeding System<\/td>\r\n <td>Optional<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Reduce manual operation<\/td>\r\n <td>\u2014<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Raw Material Oven & Nitrogen Protection<\/td>\r\n <td>Optional<\/td>\r\n <td>1 set<\/td>\r\n <td>\/<\/td>\r\n <td>Anti-oxidation & preheating<\/td>\r\n <td>\u2014<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Core Component Specifications<\/h2>\r\n <div class=\"content-block\">\r\n <h3>Box Foaming Main Unit<\/h3>\r\n <ul>\r\n <li>Mixing Barrel: Diameter 560 mm, Pneumatic tilting type, Mixing motor: 11 KW, Max speed: 6000 rpm<\/li>\r\n <li>Material Tanks: 3 sets (3T PPG \/ 3T POP \/ 3T TDI), Internal coil heating<\/li>\r\n <li>Temperature Control: Circulating water system, Adjustable range: 20 ~ 50\u2103, 1HP circulating pump<\/li>\r\n <li>Control System: Mitsubishi PLC + Delta 10-inch touch screen, French valves, Delta inverter<\/li>\r\n <li>Metering Pump: Domestic pump for PPG\/POP, Shanghai pump for TDI; Metering accuracy \u00b10.5%<\/li>\r\n <\/ul>\r\n\r\n <h3>Horizontal Disc Cutter<\/h3>\r\n <p>Cutting thickness: 2 ~ 150 mm, Worktable speed: 0 ~ 3.5 rpm, Equipped with Japanese LINE encoder<\/p>\r\n\r\n <h3>Vertical Cutter<\/h3>\r\n <p>T75 lifting guide rail, Equipped with spare blade and grinding wheel<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Workshop & Operating Requirements<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Item<\/th>\r\n <th>Standard Requirement<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Workshop Space<\/td>\r\n <td>Hardened floor, Area \u226520m\u00d710m, Independent raw material storage zone<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Ambient Condition<\/td>\r\n <td>Temp: 15 ~ 35\u2103, Humidity \u226480%, No condensation, Keep away from open fire<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Power Supply<\/td>\r\n <td>3\u00d7380V \u00b15%, 50Hz, Reliable grounding, Total power: about 60 KW<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Compressed Air<\/td>\r\n <td>0.6 ~ 0.8 MPa, Oil-free & dry, Air output \u22651.5 m\u00b3\/min<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Cooling Water<\/td>\r\n <td>Temp \u226425\u2103, Flow \u22653 m\u00b3\/h<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Operators<\/td>\r\n <td>2 ~ 6 trained workers<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Environmental Requirement<\/td>\r\n <td>Equip local exhaust system, Comply with local VOC emission standards<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Power Consumption<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Total installed power: About 70 KW<\/li>\r\n <li>Actual operating power: 35 ~ 50 KW (Intermittent operation)<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Common Defects & Troubleshooting<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Defect<\/th>\r\n <th>Root Cause<\/th>\r\n <th>Solu\u00e7\u00f5es<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Uneven foam density<\/td>\r\n <td>Unstable material temperature \/ Inaccurate metering<\/td>\r\n <td>Calibrate pump; Stabilize raw material temperature<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Foam shrinkage<\/td>\r\n <td>Improper formula \/ Insufficient curing time<\/td>\r\n <td>Adjust formula; Extend curing time<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Internal voids & air holes<\/td>\r\n <td>Poor ventilation \/ Raw material absorbs moisture<\/td>\r\n <td>Enhance ventilation; Seal material tanks tightly<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Hard & brittle foam<\/td>\r\n <td>Excessive catalyst \/ Improper material ratio<\/td>\r\n <td>Optimize additive dosage; Recheck formula<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Slow foaming reaction<\/td>\r\n <td>Low ambient temperature \/ Low material temperature<\/td>\r\n <td>Increase preheating temperature<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Optional Upgrades & Customization<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Full automatic feeding system<\/li>\r\n <li>Nitrogen protection device for raw materials<\/li>\r\n <li>Custom-sized mold boxes<\/li>\r\n <li>Voltage & frequency adaptation for global power grids<\/li>\r\n <li>MES data tracking system<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Packaging & Delivery<\/h2>\r\n <div class=\"content-block\">\r\n <ul>\r\n <li>Loading Capacity: 1 \u00d7 40GP container<\/li>\r\n <li>Package: EPE foam + Winding film, Export standard<\/li>\r\n <li>Production Lead Time: Within 30 working days after deposit<\/li>\r\n <li>Delivery Scope: Main unit, cutters, molds, standard spare parts<\/li>\r\n <\/ul>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">After-Sales Service<\/h2>\r\n <div class=\"content-block\">\r\n <ol>\r\n <li>Provide complete documents: Operation manual, electrical drawings, layout drawings and formula guide.<\/li>\r\n <li>Overseas engineer on-site installation, commissioning and operator training (Buyer bears relevant fees).<\/li>\r\n <li>Warranty period: 12 months from delivery date, free spare parts for non-artificial damage.<\/li>\r\n <li>Lifetime technical support and spare parts supply after warranty.<\/li>\r\n <\/ol>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"section\">\r\n <h2 class=\"section-title\">Perguntas frequentes<\/h2>\r\n <div class=\"faq-section\">\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can this line produce different types of PU foam?<\/summary>\r\n <div class=\"faq-answer\">Yes, it supports low-density, high-resilience and slow-rebound foam by adjusting formulas.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Is the mold size customizable?<\/summary>\r\n <div class=\"faq-answer\">We can customize mold boxes of different dimensions according to your demands.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can the equipment adapt to different national power?<\/summary>\r\n <div class=\"faq-answer\">We support voltage and frequency customization for global markets.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">What is the key daily maintenance work?<\/summary>\r\n <div class=\"faq-answer\">Clean mixing barrel and pipelines daily; Check temperature and pressure per shift.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Can old lines be partially upgraded?<\/summary>\r\n <div class=\"faq-answer\">We provide targeted partial renovation solutions to save costs.<\/div>\r\n <\/details>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"cta-section\">\r\n <h3>Get Custom Box Foaming Production Line Solution<\/h3>\r\n <p>Free workshop layout design, technical consultation and equipment quotation available.<\/p>\r\n <a href=\"https:\/\/haifengmachine.com\/contact-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"cta-btn\">Consulta gratuita<\/a>\r\n <div class=\"contact-info\">\r\n <div class=\"contact-item\">\r\n <strong>Correio eletr\u00f3nico<\/strong>\r\n <a href=\"mailto:info@haifeng-automation.cn\">info@haifeng-automation.cn<\/a>\r\n <\/div>\r\n <div class=\"contact-item\">\r\n <strong>Site oficial<\/strong>\r\n <a href=\"https:\/\/www.haifengmachine.com\" target=\"_blank\">www.haifengmachine.com<\/a>\r\n <\/div>\r\n <div class=\"contact-item\">\r\n <strong>WhatsApp<\/strong>\r\n <a href=\"https:\/\/wa.me\/8613566296633\" target=\"_blank\" rel=\"noopener\">+86 13566296633<\/a>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <div class=\"tags\">\r\n <a href=\"\/tag\/PUBoxFoaming\/\" class=\"tag\">#PUBoxFoaming<\/a>\r\n <a href=\"\/tag\/FoamProductionLine\/\" class=\"tag\">#FoamProductionLine<\/a>\r\n <a href=\"\/tag\/PUFoam\/\" class=\"tag\">#PUEspuma<\/a>\r\n <a href=\"\/tag\/BatchFoaming\/\" class=\"tag\">#BatchFoaming<\/a>\r\n <a href=\"\/tag\/FoamCuttingMachine\/\" class=\"tag\">#FoamCuttingMachine<\/a>\r\n <\/div>\r\n\r\n \r\n <footer>\r\n \u00a9 2026 Haifeng Polyurethane Machinery. 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