- Production Machines
- Plastics Processing
- Extrusion line with water cooling
- Xiamen Dexing Magnet Tech. Co., Ltd.
PLC-controlled extrusion line Door Gasket Production Linewith water coolingprofilefor PVC
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Characteristics
- Other characteristics
- PLC-controlled, with water cooling
- Type
- profile
- Treated material
- for PVC
Description
Overview:
Applications:
Processing flow:
Main components / included equipment (summary):
Detailed components and technical items:
Notes & highlights:
Technical specifications:
- The Door Gasket Production Line is an automated PVC extrusion and finishing line designed to manufacture refrigerator and appliance door gaskets (seals) in various profiles and specifications, with integrated drying, extrusion, cooling, cutting, punching and robotic handling.
Applications:
- Gaskets for refrigerators, ice chests and beverage cabinets
- Seals for water dispensers, sterilizing cabinets, kitchen appliances and other household or industrial equipment
Processing flow:
- Manual pre-mixing of PVC-modified material (≤3%–5% crushed material)
- Automatic drying and loading
- Extruder hopper plasticization and extrusion through die
- Shaping mold cooling and profiling
- Circulating water tank cooling
- Compressed air blow-off to remove water
- Haul-off (traction) machine pulls the profile
- Automatic drilling/punching via punching machine and punching mold
- Traction auxiliary machine
- 45° precision corner cutting (angle cutting machine)
- Robot automatically removes cut parts
- Final door seal pieces are manually inspected and removed
Main components / included equipment (summary):
- Soft PVC extruder — 1 set
- Main electrical elements for the extruder (frequency converter, contactors, temperature controllers, volt meter, overload breaker, etc.)
- Die and mould — 1 set (material 4Cr13)
- Cooling tanks — 2 sets (stainless steel, foaming plate coated)
- Chiller — 1 set
- Haul-off (traction) machine — 1 set
- Automatic puncher — 1 set
- 45-degree cutting machine — 1 set (PLC-controlled)
- Mechanical hands / robot — 1 set
Detailed components and technical items:
- Soft PVC Extruder — 1 set with screw & barrel details:
- Screw diameter: Φ75 mm
- Screw number: 1
- Barrel heating power: 12 KW
- Barrel wind-cooling power: 180 W × 4
- Die power: 2–4 KW
- Nitriding depth: 0.40–0.70 mm
- Nitriding hardness (HV): 890–980
- Surface roughness: Ra0.8–Ra1.6
- Linearity tolerance: ≤0.015
- Output: 60–80 kg/h
- Heating type/material: Electric heating by aluminum ring
- Screw & barrel material: 38CrMoALA with deep nitriding
- Main machine (mechanical center):
- Center height: 1000 mm (matched to mold)
- Feeding/dryer: Automatic dryer & loader (capacity 50 kg)
- Hydraulic screen-changing machine material: 38CrMoAL
- Die contact: Flange-type bolted contact
- Total power (approx.): ≈38 KW
- Main electrical elements (brands & counts):
- Frequency converter: Easy drive — 1
- Digital frequency meter: Xiamen — 1
- Contactors: SIEMENS — 13
- Temperature controllers: RKC — 8
- Volt meter: CHINT — 1
- Overload circuit breaker: CHINT — 1
- Die and mould: 1 set — Material: 4Cr13
- Cooling tanks (2 sets):
- Material: stainless steel with foaming plate coating
- Cooling form: spray cooling, spraying nozzles: 25 per set × 2 sets = 50
- Length: 4 m per set × 2 = 8 m total
- Water supply: automatic recycled water circulation
- Chiller: 1 set (supports circulating cooling)
- Haul-off (traction) machine components:
- Motor: China top brand
- Frequency converter: Easy drive
- Time delayer: made in China
- Automatic puncher components/specs:
- Motor: 120 W, 50 Hz, 380 V
- Photoelectric switch: OMRON
- Magnetic pneumatic elements: made in China
- 45-degree cutting machine components/specs:
- PLC control system: OMRON (Japan)
- Pneumatic elements: SXPC (China)
- Servo motor: Delta
- Contactor: Schneider
- Limit switch: OMRON (Japan)
- Mechanical hands / robot components/specs:
- Photo switch: OMRON
- Motor: China top brand
Notes & highlights:
- Line designed for high automation and environmental considerations, matching common refrigerator gasket production processes.
- Manufacturer has documented supply history to major Chinese appliance companies (examples cited by the manufacturer).
Technical specifications:
- Product name: Door Gasket Production Line
- Commercial denomination (model/series): Door Gasket Production Line
- Extruder screw diameter: Φ75 mm
- Extruder output: 60–80 kg/h
- Extruder barrel heating power: 12 KW
- Die power: 2–4 KW
- Total installed power: ≈38 KW
- Barrel cooling fans: 180 W × 4
- Nitriding depth: 0.40–0.70 mm
- Nitriding hardness (HV): 890–980
- Surface roughness: Ra0.8–Ra1.6
- Linearity tolerance: ≤0.015
- Main machine center height: 1000 mm (matched to mould)
- Cooling tanks: 2 sets, 4 m each (total 8 m), spraying nozzles 25/set × 2
- Feeding dryer capacity: 50 kg
- Key electrical brands: SIEMENS, RKC, CHINT, OMRON, Schneider, Delta
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Magnetic Door Gasket
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