Решения для
Линии морозильников для экстремально низких температур
Наше решение охватывает ларьевые и вертикальные морозильники, медицинские и ультранизкотемпературные (-60°C) коммерческие установки. Усиленные пенообразующие формы, ПУ пена высокой плотности (40+ кг/м³) и линии от 300 до 3000 единиц в сутки.
In one line
Ультранизкие температуры: коммерческое охлаждение -60°C до -200°C доступно.
Real Pains We Hear from Buyers — and What We Ship to Solve Each One
We designed this line around four problems freezer manufacturers repeatedly bring to us — and we specify a measurable engineering response for each one.
Cabinet can't hold -25°C in 35°C ambient — pull-down test fails the EU 2019/2024 Ecodesign
The thermal weak spot is almost always foam k-factor + wall thickness, not the compressor. Our PU system delivers k-factor 0.019–0.021 W/m·K verified shot-by-shot; foaming moulds support 70–150 mm wall thickness with even fill (no air pockets). Pull-down to -25°C in 32°C ambient: typical result 4–5 hours, well inside the 6-hour Ecodesign threshold.
Cyclopentane blowing agent — local fire authority blocks our ATEX permit, project on hold 4 months
Our cyclopentane high-pressure foaming machine ships with the full EU ATEX certificate pack: Zone 1 electrical components (Atex II 2G IIB T3), LEL detection at 4 points, N₂ blanket on day tank, auto-shutdown at 50% LEL. Local fire authority approval in 2–4 weeks (we've done this 15+ times) instead of the 3–6 months it takes when the manufacturer can't supply the cert pack.
Converting from HFC-245fa to cyclopentane — foam density drifts and rejection rate jumps to 4%
HFC-to-cyclopentane conversion is a system change, not just a blowing agent swap. Our team supplies the calibrated polyol system + revised foaming parameters (mould temp, demould time, shot weight) + commissioning support to run the first 200 cabinets. Density variance drops back to ±0.5 kg/m³, rejection rate back under 1% within 2 weeks of switchover.
Upgrading from -18°C household freezer to -60°C biomedical freezer — don't know what to change
Three things change: PU formulation (switch to HFO-1336mzz blowing agent for sub-zero stability), wall thickness (120 mm → 180–200 mm), and cycle time (6 min → 8–10 min). Compressor goes from single-stage to cascade dual-stage — we don't supply that, but we publish a compressor sourcing list with 6 China + EU options. Retrofit time: 3–5 months including formulation re-cert.
Что вам нужно
— 26-станционная напольно-рельсовая линия сборки холодильников (до 6 000 шкафов/смена)
the ground-rail line линия сборки холодильников: замкнутая напольно-рельсовая ППУ-вспенивающая линия для крупносерийных OEM производителей холодильников. 26 станций · 20-секундный цикл · ~3 000–6 000 шкафов/смена · паровой или масляный нагрев · ПОЛ + Циклопентан + ИЗО вспенивание.
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Пенообразующая машина высокого давления
100–1500 г/с, 2–4 компонента, Siemens PLC
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Линия производства термоконтейнеров
Логистические и медицинские контейнеры, 10–600 л
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Пресс-форма для горизонтального морозильника (морозильный ларь)
Пресс-форма для холодильников / морозильников для морозильных ларей — литая алюминиевая ППУ-пресс-форма из сплавов ZL105 / LY12. Варианты однокамерные одно-крышечные, однокамерные двух-крышечные и двухкамерные двух-крышечные. Шкаф до 1 500 × 700 × 900 мм, отверждение 6–10 мин.
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Пресс-форма для вертикального кухонного холодильника
Пресс-форма (mold) для шкафов вертикальных кухонных холодильников — литая алюминиевая ППУ-пресс-форма для коммерческих 2/4/6-дверных вертикальных стальных кухонных холодильников. До 1 900 × 900 × 2 000 мм. Спроектирована под энергоэффективные глубокие полости и длительный ресурс.
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Сырьё ПУ система
Полиол + изоцианат + порообразователь, k-фактор до 0,018
ПодробнееCabinet models you can produce on this line
Every row below is a real cabinet SKU that customers already produce using the moulds in this line — temperature class, capacity, compressor, refrigerant and overall dimensions are field-tested. Use the matrix to match your target cabinet to the right mould configuration.
| Cabinet model | Variant | Temperature (°C) | Volume (L) | Power (W) | Weight (kg) | Compressor | Refrigerant | Size (mm) | Source mould |
|---|---|---|---|---|---|---|---|---|---|
| BC/BD-268 | — | 0–10 or ≤-18 | 268 | 110 | 59 | DONPER / WANBAO | R600a | 955 × 635 × 845 | Пресс-форма для горизонтального → |
| BC/BD-358 | — | 0–10 or ≤-18 | 358 | 118 | 65 | DONPER / WANBAO | R600a | 1110 × 635 × 845 | Пресс-форма для горизонтального → |
| CFD-40D2F-K | 2-door freezing | -23 to -18 | 900 | 740 | 150 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Пресс-форма для вертикального → |
| CFD-60D3F-K | 3-door freezing | -23 to -18 | 1395 | 1033 | 200 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Пресс-форма для вертикального → |
| CFR-40D4F (HB) | Air-cooled refrigeration · Engineering Version | -2 to 10 | 925 | 330 | 115 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Пресс-форма для вертикального → |
| CFR-60D6F (HB) | Air-cooled refrigeration · Engineering Version | -2 to 10 | 1430 | 500 | 155 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Пресс-форма для вертикального → |
| CFS-40N4HF (HB) | Dual-temp air-cooled · Engineering | 0–10 | ≤-21 | 782 | 586 | 116 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Пресс-форма для вертикального → |
| CFS-60N6HF (HB) | Dual-temp air-cooled · Engineering | 0–10 | ≤-21 | 1215 | 1015 | 156 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Пресс-форма для вертикального → |
Source: UREXCEED catalog §07 OEM/ODM cabinet series, cross-referenced to the mould that produces each SKU. Custom cabinet sizes outside this range supported — send us your cabinet drawing for a 7-day quote.
From inquiry to first commercial unit — the 6-step delivery flow
We take your project from the first application review to the first accepted freezer from your line: about 12 months for a standard 2,000-unit/day line and about 14 months for an ultra-low-temperature line.
- 1
Inquiry & Application Scoping
Week 1–2Share target capacity, application (household chest, commercial upright, biomedical ULT), target temperature band (-18°C, -40°C, -60°C, -86°C), and target markets. We send a 1-page proposal with line layout, target market regulations checklist, and price range.
- 2
Detailed Proposal & ATEX Certificate Package
Week 2–4If cyclopentane: we attach the EU ATEX certificate pack + local fire authority pre-approval letter template at this stage. Engineering team picks freezer mould variants (clamp force 20–50 ton), sizes PU machine, drafts BOM. Quote with 22-line breakdown in 14 days.
- 3
Contract & Cabinet Design Freeze
Week 4–830% down. Cabinet CAD review with extra attention to wall thickness (70–150 mm), corner radius, evaporator pocket geometry. Mould CAD frozen before CNC starts. Cycle time + foam parameters pre-modeled in software.
- 4
Heavy-Duty Mould + ATEX-Rated Machine Build
Month 3–8Freezer moulds: 60–90 days (heavier clamp + thicker walls than refrigerator). PU machine: 60 days with ATEX certification. Pre-shipment FAT (Factory Acceptance Test) — we run trial cabinets in our shop and ship the FAT report with the equipment.
- 5
Sea Freight & On-Site Installation
Month 8–115–8 × 40' containers from Shanghai/Ningbo. On-site installation 4–5 weeks with reinforced foundation (clamp loads 200–500 kN). ATEX zone marking and gas-detection commissioning done jointly with your local fire authority inspector.
- 6
Commissioning, Conversion Testing & SAT
Month 11–12First 200 trial cabinets foamed together with your operators. Pull-down test, leak test, electrical safety test on every cabinet. SAT (Site Acceptance Test) signed when 100 consecutive cabinets pass spec. 60% payment due here, 10% after 3-month performance verification.
Low-temperature cabinet engineering
Low-Temperature Cabinet Configuration
Freezer cabinet specs vary widely by target market. We tune 4 axes per project so the line ships ready for your spec.
Temperature & insulation
-18°C / -25°C / -40°C / -60°C / -86°C ULT. Wall thickness 70–200 mm. PU formulation chosen per target temperature.
Blowing agent
Cyclopentane (EU F-gas compliant, ATEX cert pack included) / HFC-245fa / HFO-1336mzz (sub-zero stability).
Cabinet form
Chest / upright / glass-door merchandiser / island. Cabinet mould variants share PU machine + fixture.
Compressor system
Single-stage R600a / R290 for -18°C; cascade dual-stage for -60 to -86°C. We publish a verified compressor sourcing list.
Shared engineering reference
PU foam quality, testing and acceptance
Closed-cell ratio, density uniformity and thermal testing are documented once in our quality center.
Вопросы, которые задают владельцы заводов
Чем линия морозильников отличается от линии холодильников?
Поддерживаете ли ультранизкие температуры (-60 °C и ниже)?
Можно ли переоборудовать существующую линию холодильников под морозильники?
Типовой объём инвестиций для линии 2 000 единиц/сутки?
Срок изготовления новой линии морозильников от контракта?
ROI · Cost Analysis
Investment Range & Payback
Indicative range based on 1,800+ delivered lines. Final pricing depends on automation level + add-ons + local labor cost. Request a quote for your spec.
Configuration note: We configure the investment around a cyclopentane high-pressure machine, freezer cabinet and door moulds, and process tuning for the thicker insulation envelope.
Service & Support
Гарантия и сервис
Выезд на объект возможен во всех регионах, куда мы поставляли проекты.
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.
Cross-Sell · One-Partner Synergy
Pair this line with the rest of the factory
The product groups our refrigerator-factory customers buy alongside this line — for full-line synergy and one-partner accountability.
High-Pressure PU Foaming Machines
Cyclopentane / 2-component / 3-component models. Cyclopentane is the refrigerator industry standard.
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Refrigerator-grade Moulds
Vacuum-forming moulds for inner liners + foaming moulds for cabinet/door. 30-year mould-cluster network.
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PU Raw Materials System
BASF / Covestro / Wanhua MDI + Polyol — calibrated to your climate, foam density, and cycle time.
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