6-Station Servo-Motor Rotary Door Foaming Line — CE / ISO 9001-certified linhas de produção by UREXCEED. Lead time 90 – 130 days, MOQ 1 line.

6-Station Servo-Motor Rotary Door Foaming Line

6-Station Servo-Motor Rotary Door Foaming Line

6-station servo-motor-driven rotary door foaming line for premium / high-end refrigerator OEM. Servo precision ±0.1 mm rotation, 50-second cycle, supports door panels up to 2,100 × 1,000 mm with 380 mm clamp height. 500–800 doors/shift sweet spot for multi-variant precision door manufacturing.

Prazo
90 – 130 days
Pedido mínimo
1 line

Engineering reply within 24 hours

Quote + spec sheet + tailored sizing recommendation. WhatsApp answered 9 am–6 pm Beijing time.

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Especificações

Layout Form
6-station rotary (hub-type) door foaming line, servo-motor driven
Drive Method
Servo motor (precision-driven rotation + clamping)
Heating Method
Water heating via mold temperature controller
Number of Stations
6
Fixture Template Size (L×W)
2,100 × 1,000 mm (≤ 2,100 × 1,000 mm cabinet door panels)
Mold Closing Height
Up to 380 mm
Production Cycle Time
~50 seconds per door
Foaming Material
POL + Cyclopentane + ISO / POL + HCFC-141a + ISO / POL + HCFC-245fa + ISO
Voltage / Frequency
380V · 50 Hz · Control voltage 24V
Total Power
Approx. 415 / 50 / 50 (peak / running / idle) kW
Compressed Air Requirement
0.5 MPa
Best Fit Capacity
~500 – 800 doors per shift (precision + variant-mix friendly)
Lead Time
90 – 130 days
MOQ
1 line

Aplicações

Premium household refrigerator door — servo precision ±0.1 mm fit
Commercial multi-door refrigerator door — precision variant changeover
Glass-door display cabinet door panel — cosmetic precision
Vaccine refrigerator door — 380 mm deep PU core, servo positioning
  • Refrigerator door foaming with servo-grade positioning precision (±0.1 mm rotation)
  • Multi-variant door mix (rapid changeover via servo-controlled mould lock)
  • Premium / high-end refrigerator OEM (cosmetic-grade door tolerance)
  • Glass-door display cabinet foaming (precision-mounted glass + frame)
  • Mid-volume specialty door factory (500–800 doors/shift sweet spot)

The 6-station servo-motor rotary door foaming line is the precision-tier choice for refrigerator OEMs that need sub-millimetre door dimensional control + rapid variant changeover. Servo-driven rotation locks each station at ±0.1 mm — a 5–10× improvement over hydraulic rotary lines, at the cost of ~30% higher capex and a 500–800 doors-per-shift sweet spot (vs 600–1,000 for hydraulic 7/8-station).

When the 6-station servo line wins over hydraulic 7/8-station rotary

Pick this line if your downstream cabinet assembly is sensitive to door fit (premium refrigerators, glass-door display, multi-door variants where any misalignment shows). Pick hydraulic 7/8-station if you run a single high-volume cabinet SKU and throughput beats precision. We frequently sell the servo line as a SECOND door line (cosmetic / premium SKU specialty) alongside an existing ground-rail or 7/8-rotary for the volume backbone.

Why the servo rotary beats hydraulic rotary on door-quality factories

Four data-driven advantages of the 6-station servo configuration vs the conventional 7/8-station hydraulic rotary line.

#1

Door positioning precision ±0.1 mm (vs ±0.5 mm hydraulic)

Servo motor with absolute encoder lock-positions each station to ±0.1 mm rotational accuracy. Hydraulic rotary drifts ±0.3–0.5 mm over a shift as oil warms. Translates to door-cabinet fit gap variance dropping from ±1.5 mm to ±0.4 mm — the difference between visible misalignment and a clean line.

#2

Door panel up to 2,100 × 1,000 mm + 380 mm mould height

Larger fixture template than 7/8-station hydraulic (typical 2,000 × 900 mm × 200 mm) — accommodates oversize French-door panels, 2.1 m commercial display doors and 380 mm-thick deep-foam vaccine refrigerator doors on the same line.

#3

50-second cycle with multi-variant changeover < 8 min

Servo-controlled mould lock + PLC-recipe storage cuts variant changeover from 25–40 min (manual hydraulic) to under 8 min. For 6–8 variant mix that means ~2 hours/shift more productive time — the throughput gap with hydraulic narrows significantly in mixed production.

#4

6 stations + 50-sec cycle = 500–800 doors/shift sweet spot

Capacity tuned for mid-volume premium / variant-mixed door factories. Below 500 doors/shift, the servo capex doesn't pay off (use manual 4-station instead). Above 800 doors/shift single-SKU, hydraulic 7/8-station throughput per dollar wins.

How the 6-station servo cycle runs — 50 seconds station-to-station

One full rotation of the hub through 6 stations takes 5 minutes. Each door spends ~250 seconds total in the line (~4 min curing across 5 stations + injection at station 1).

  1. 1

    Station 1 (Load + Position) — operator loads pre-skinned door panel + inner liner onto mould fixture. Servo lock confirms ±0.1 mm position. ~30 sec.

  2. 2

    Station 1 (Inject) — PU mix-head descends, dispenses 0.8–1.4 kg cyclopentane-blown POL+ISO into door cavity. Mould closes hydraulically. ~20 sec.

  3. 3

    Station 2–5 (Cure) — hub rotates 60° between stations. Cabinet panel cures while inside heated fixtures (45–55°C platen, water-circulated). ~200 sec (50 sec × 4 stations).

  4. 4

    Station 6 (Demould) — servo lock holds position while operator opens mould, lifts cured door panel out. ~25 sec.

  5. 5

    Station 6 (Cool + Send Downstream) — door cools 15 sec on take-off conveyor, then enters downstream gasket-fitment / hinge-mounting / final assembly. ~20 sec.

FAQs — 6-station servo rotary door foaming line

How long does the servo line take to commission?
90–130 days total. Mould design + servo motor procurement: 45–60 days. Hub frame fabrication: 30–40 days in parallel. PU machine + ATEX safety integration: 45 days. On-site installation + servo calibration: 30 days. Operator training: 5–7 days at factory. First production-quality door comes off line within 10 days of full installation.
Typical investment for a 6-station servo door line?
USD 480K–720K turnkey — covers the 6-station hub frame, 6 fixture sets (one cabinet door variant), servo + PLC, water heating subsystem, cyclopentane-spec PU machine (ATEX Zone 1), LEL gas detection, N₂ blanket on day tanks, conveyor in/out, control panel, on-site commissioning + 5 days training. Add USD 35K–55K per additional door variant (extra fixture set). Add USD 80K–140K for full ATEX compliance pack if your factory needs new infrastructure.
Can it run alongside an existing ground-rail or 7/8-station hydraulic line?
Yes — common configuration for premium refrigerator factories. Ground-rail (or 7/8-hydraulic) handles the volume backbone (>3,000 doors/shift household 2-door); the servo line specializes in premium variants (glass-door display, French-door panels, oversize commercial doors). Different PU recipe storage per line — same PU machine often feeds both via dual circuits.
What door panel sizes and thicknesses fit?
Standard fixture template: 2,100 × 1,000 mm × 380 mm mould closing height. Accommodates: household 2-door / French-door panels (1,200 × 700 mm); side-by-side commercial display doors (2,000 × 900 mm); chest freezer lids (up to 2,100 × 1,000 mm); vaccine refrigerator doors with 380 mm deep PU core. Custom fixture template for non-standard sizes adds USD 12K–22K and 30–45 days.
Operators per shift + skill level?
2 skilled operators per shift (1 line operator, 1 PU machine operator) + 1 maintenance technician shared across multiple lines. Required skills: basic PLC HMI interaction, recipe loading, fixture changeover. We supply 5–7 days on-site training + private video channel. Operator turnover impact: minimal — recipes lock to PLC, no manual tuning required.
What's the catch — when does servo NOT make sense?
Below 500 doors/shift demand → manual 4-station rotary delivers same precision at 40% the capex. Above 800 doors/shift single-SKU → hydraulic 7/8-station throughput per dollar wins. If your door variant mix is < 3 SKUs, ground-rail single-purpose loop pays back faster. Servo wins specifically when: (a) 500–800 doors/shift, (b) 4+ SKU mix, (c) door-fit cosmetic quality drives downstream cabinet assembly speed.

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Vacuum-forming + foaming moulds engineered to your cabinet/door geometry. Custom mould design service available.

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Service & Support

Garantia & Assistência Técnica

Intervenção presencial disponível em todas as regiões onde já entregamos projetos.

On-Site Installation

Our engineers fly to your factory to supervise installation, layout verification, and first-run production.

Commissioning + Tuning

Trial run + parameter tuning to your local raw material, climate, and target product spec — until throughput meets contract.

Operator Training

5-10 day on-site training for production team, QC, and maintenance — bilingual manuals + video tutorials provided.

3-Year Warranty + Spares

Core equipment 3-year warranty, electrical 2-year. Spare parts in stock with global express shipment 24h dispatch.

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Perguntas frequentes

Qual é o prazo de entrega típico?
90 – 130 days. O prazo depende da configuração, quantidade e destino. O transporte marítimo adiciona 20–45 dias conforme o seu porto.
Qual é a quantidade mínima de pedido?
1 line. Para projetos OEM com especificações personalizadas, a MOQ pode aumentar. Pedidos piloto de pequeno lote podem ser discutidos caso a caso.
Oferecem personalização e OEM / ODM?
Sim. Integramos moldes, máquinas de espumação, linhas de produção e materiais das nossas fábricas parceiras. Suportamos tamanhos personalizados, tensões (110V/220V/380V, 50Hz/60Hz), marcas de PLC, cores e branding. Também fornecemos soluções chave-na-mão para frigoríficos, congeladores, câmaras frigoríficas e caixas isoladas.
Que certificações este produto possui?
Este produto está em conformidade com: CE, ISO 9001.

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