خط إنتاج مصنع المجمدات — رغوة PU عالية الكثافة

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خطوط مجمدات للتبريد العميق

يغطي حلنا المجمدات الأفقية والعمودية والطبية وفائقة الانخفاض (-60°م). قوالب معززة ورغوة عالية الكثافة (40+ كجم/م³) وخطوط من 300 إلى 3000 وحدة يوميًا.

In one line

فائق الانخفاض: تبريد تجاري -60°م إلى -200°م متاح.

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.

Pain 1

Cabinet can't hold -25°C in 35°C ambient — pull-down test fails the EU 2019/2024 Ecodesign

How we solve it

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.

Pain 2

Cyclopentane blowing agent — local fire authority blocks our ATEX permit, project on hold 4 months

How we solve it

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.

Pain 3

Converting from HFC-245fa to cyclopentane — foam density drifts and rejection rate jumps to 4%

How we solve it

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.

Pain 4

Upgrading from -18°C household freezer to -60°C biomedical freezer — don't know what to change

How we solve it

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.

ما تحتاجه

26-Station Ground-Rail PU Foaming Line for Refrigerator Doors — Closed-Loop Track Layout
خطوط الإنتاج

26-Station Ground-Rail PU Foaming Line for Refrigerator Doors — Closed-Loop Track Layout

Closed-loop ground-rail PU foaming line dedicated to refrigerator and cabinet DOOR foaming. 26 fixture stations on a continuous steel track, 20-sec cycle, 3,000–6,000 doors per shift. 2,000 × 900 mm fixture × 200 mm closing height — sized for door panels. Cyclopentane + ATEX Zone 1, steam or oil heating.

اعرف المزيد
ماكينة PU عالية الضغط
ماكينات رغوة PU

ماكينة PU عالية الضغط

100–1500 جم/ث، 2–4 مكونات، Siemens PLC

اعرف المزيد
خط إنتاج صناديق معزولة
خطوط الإنتاج

خط إنتاج صناديق معزولة

صناديق لوجستية وطبية، 10–600 لتر

اعرف المزيد
Mold for Horizontal Freezer (Chest Freezer Cabinet)
قوالب معدات التبريد

Mold for Horizontal Freezer (Chest Freezer Cabinet)

Refrigerator / freezer mould (mold) for chest freezers — cast aluminium ZL105 / LY12 PU foaming mould. Single-temperature single-top, single-temperature double-top, and dual-temperature double-top variants. Up to 1,500 × 700 × 900 mm cabinet, 6–10 min curing.

اعرف المزيد
Mold for Upright Kitchen Refrigerator
قوالب معدات التبريد

Mold for Upright Kitchen Refrigerator

Refrigerator mould (mold) for upright kitchen refrigerator cabinets — cast aluminium PU foaming mould for commercial 2-door / 4-door / 6-door upright stainless kitchen refrigerators. Up to 1,900 × 900 × 2,000 mm. Designed for energy-efficient deep cavities and long mould life.

اعرف المزيد
نظام المواد الخام PU
مواد PU الخام

نظام المواد الخام PU

بوليول + أيزوسيانات + عامل نفخ، k-factor حتى 0.018

اعرف المزيد

Cabinet 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 Mold for Horizontal →
BC/BD-358 0–10 or ≤-18 358 118 65 DONPER / WANBAO R600a 1110 × 635 × 845 Mold for Horizontal →
CFD-40D2F-K 2-door freezing -23 to -18 900 740 150 DONPER / WANBAO R290 1210 × 805 × 1950 Mold for Upright →
CFD-60D3F-K 3-door freezing -23 to -18 1395 1033 200 DONPER / WANBAO R290 1820 × 805 × 1950 Mold for Upright →
CFR-40D4F (HB) Air-cooled refrigeration · Engineering Version -2 to 10 925 330 115 DONPER / WANBAO R290 1210 × 805 × 1950 Mold for Upright →
CFR-60D6F (HB) Air-cooled refrigeration · Engineering Version -2 to 10 1430 500 155 DONPER / WANBAO R290 1820 × 805 × 1950 Mold for Upright →
CFS-40N4HF (HB) Dual-temp air-cooled · Engineering 0–10 | ≤-21 782 586 116 DONPER / WANBAO R290 1210 × 805 × 1950 Mold for Upright →
CFS-60N6HF (HB) Dual-temp air-cooled · Engineering 0–10 | ≤-21 1215 1015 156 DONPER / WANBAO R290 1820 × 805 × 1950 Mold for Upright →

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.

خط إنتاج مصنع المجمدات — رغوة PU عالية الكثافة — production line reference
  1. 1

    Inquiry & Application Scoping

    Week 1–2

    Share 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. 2

    Detailed Proposal & ATEX Certificate Package

    Week 2–4

    If 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. 3

    Contract & Cabinet Design Freeze

    Week 4–8

    30% 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. 4

    Heavy-Duty Mould + ATEX-Rated Machine Build

    Month 3–8

    Freezer 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. 5

    Sea Freight & On-Site Installation

    Month 8–11

    5–8 × 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. 6

    Commissioning, Conversion Testing & SAT

    Month 11–12

    First 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.

View quality standards →

الأسئلة التي يطرحها أصحاب المصانع

ما الفرق بين خط إنتاج مجمد وخط إنتاج ثلاجة؟
ثلاثة أمور: (1) سماكة جدار الرغوة 70–150 مم مقابل 40–55 مم، (2) كثافة PU 40–45 كجم/م³ مقابل 36–38 كجم/م³، (3) زمن دورة 6–10 دقائق مقابل 4–8 دقائق. قوالب الرغوة وقوة الإغلاق وتركيبة PU تتغير. محطات التشكيل بالتفريغ والتجميع يمكن مشاركتها في الإنتاج المختلط.
هل تدعمون إعدادات درجات الحرارة فائقة الانخفاض (-60 °م أو أقل)؟
نعم، حتى -86 °م في الإعدادات الطبية الحيوية. تحت -60 °م ننتقل إلى تركيبات PU متخصصة (HFO-1336mzz)، جدران أكثر سماكة (حتى 200 مم)، ومواصفات دمج ضاغط متعدد المراحل — تحديد مصدر الضاغط عليك، نحن نسلم البنية التحتية لرغوة الخزانة.
هل يمكن تحويل خط ثلاجات موجود إلى إنتاج مجمدات؟
في معظم الحالات نعم. يتم استبدال: (1) قوالب الرغوة — لاستيعاب الجدران الأكثر سماكة، (2) قوالب الأبواب — للحشوات المغناطيسية الثقيلة، (3) تركيبة PU. تبقى آلة الرغوة الأساسية ومحطات التشكيل بالتفريغ والناقل والبنية التحتية للاختبار. التحديث النموذجي: 3–5 أشهر + 600K–1.2M دولار.
ما الاستثمار المعتاد لخط 2,000 وحدة/يوم؟
2.2M – 3.8M دولار يشمل قوالب معززة (450K–650K دولار)، رغوة PU عالية الضغط (200K–350K دولار)، ناقل معزز للخزانات الأكبر، واختبارات موسعة (pull-down إلى -40 °م). خطوط الإنتاج التجارية / فائقة البرودة تعمل في الطرف العلوي.
مدة خط مجمدات جديد من توقيع العقد؟
9–14 شهرًا لخط جديد كامل؛ 3–5 أشهر للتحديث التركيبي (قالب + تركيبة) لخط ثلاجات قائم. القوالب الأثقل (إصدار المجمدات UFM-CAB) تحدد الجدول الزمني: 60–90 يومًا لإنتاج القوالب + 120 يومًا للتكامل.

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.

Investment
USD 600K – 1.8M
Payback
16–26 months
Annual Throughput
30K–120K units/year

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

الضمان والخدمة

التدخل في الموقع متاح في كل منطقة سلّمنا فيها مشاريع.

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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