ISO9001 Scratch Resistant Surface Strict Dimensional Tolerance NAK80 Mold Steel AS Big Container Housing Appliance Shell Mould

This high-precision injection mold is specially customized for manufacturing large-capacity plastic container housings of household appliances, adopting NAK80 pre-hardened mold steel with scratch-resistant cavity surface treatment and strict dimensional tolerance control. Compliant with ISO9001 quality management system standards, the mold delivers stable long-term mass production performance, ideal for large-size appliance storage containers, equipment outer casings and thick-wall structural plastic parts, guaranteeing consistent appearance quality and precise assembly for household electrical products.
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  • 19075

  • YIXUN mold

  • 8480419090

This high-precision injection mold is specially customized for manufacturing large-capacity plastic container housings of household appliances, adopting NAK80 pre-hardened mold steel with scratch-resistant cavity surface treatment and strict dimensional tolerance control. Compliant with ISO9001 quality management system standards, the mold delivers stable long-term mass production performance, ideal for large-size appliance storage containers, equipment outer casings and thick-wall structural plastic parts, guaranteeing consistent appearance quality and precise assembly for household electrical products.

Key Features

1. ISO9001 Certified Strict Quality Control System

The whole mold development, machining and assembly process follows ISO9001 standardized production management. Each production link undergoes strict inspection from raw material incoming test, CNC precision machining, EDM finishing to mold trial run. Complete quality traceability records are provided to ensure stable batch consistency of large appliance container shells, effectively reducing post-production defective rate and after-sales risk.

2. NAK80 Pre-Hardened Mold Steel for Superior Performance

  • Mold core and cavity adopt premium NAK80 pre-hardened mold steel with original material certification, featuring excellent polishing performance, uniform hardness and outstanding scratch resistance, effectively avoiding surface scratches during long-term continuous demolding and daily mold maintenance.

  • No need for post-mold heat treatment, directly machinable to shorten mold lead time; good anti-corrosion and wear-resistant properties extend the service life up to 600,000–1,000,000 shots, perfectly matching high-volume mass production demand for household appliance containers.

  • Excellent texture etching performance, supporting matte, fine grain and other surface treatments to enrich the appearance of appliance shell products.

3. Scratch-Resistant High-Grade Cavity Surface

The mold cavity is processed with fine polishing technology to form a dense smooth scratch-resistant surface. The finished large container housing gains a glossy, flawless appearance, resisting friction scratches during assembly, packaging and daily household use. No secondary spraying is required for most application scenarios, which effectively saves post-processing cost for appliance manufacturers.

4. Strict Dimensional Tolerance Precision Control

  • Adopts 5-axis CNC, precision EDM and wire cutting processing technology, overall dimensional tolerance controlled within ±0.02mm for large-size mold structure.

  • Precisely reserved buckle positioning holes, assembly limit bosses and internal reinforcing rib structures on the cavity, ensuring seamless assembly between the large container housing and other internal electrical components.

  • Optimized cooling circuit layout with evenly distributed red water channel connectors, achieving balanced rapid mold temperature control, reducing product warpage, shrinkage and deformation caused by uneven cooling for thick-wall large plastic parts.

5. Optimized Mold Structure for Large-Size Product Molding

  • High-rigidity heavy-duty standard mold base with multiple groups of high-precision guide pins and guide sleeves, effectively resisting mold expansion force during large-volume plastic melt injection, preventing mold deformation and dimensional offset in long-term production.

  • Equipped with stable multi-point ejection system to ensure balanced demolding of large-size thick-wall container housings, avoiding product sticking, tilting and surface scratch during ejection.

  • Optional cold runner or hot runner feeding solution to balance melt filling, eliminate weld lines and short-shot defects for oversized appliance plastic shells.


Technical Specifications

Item Detailed Parameter
Applicable Product Large Household Appliance Container Housing & Equipment Outer Shell
Mold Core & Cavity Material NAK80 Pre-Hardened Mold Steel
Quality Certification ISO9001 Quality Management System Certified
Mold Surface Feature High Gloss Scratch Resistant Polished Surface
Dimensional Tolerance ±0.02mm Strict Precision Control
Standard Mold Service Life 600,000 ~ 1,000,000 Shots
Cooling System Optimized Equilibrium Circulating Water Cooling Channel
Optional Runner Type Cold Runner / Hot Runner Customizable
Applicable Raw Materials PP, ABS, PC, PC/ABS, High Toughness Engineering Plastics
Big Container Housing Appliance Shell Mould


Application Scenarios

  1. Large household appliance storage container shells, water tank & washing equipment inner plastic housings

  2. Kitchen electrical large-capacity box, food processor & commercial appliance outer structural casings

  3. Industrial equipment large-size protective plastic enclosures and storage box components

  4. Smart home device thick-wall plastic shells and large-size mounting container parts

  5. Household cleaning equipment, refrigeration appliance internal plastic container accessories


Our Competitive Advantages

  1. ISO9001 certified professional mold manufacturer with rich experience in large-size appliance housing mold development, proficient in thick-wall plastic molding and anti-warpage process optimization.

  2. Strict scratch resistance & dimensional inspection for every finished mold, providing material test reports, dimensional inspection sheets and full-process quality documents for customer factory audit and product certification.

  3. Provide one-stop service including DFM structural analysis, mold flow simulation, precision machining, multiple rounds of trial molding and after-sales mold maintenance support.

  4. Customized solutions for large-size mold cooling system, ejection structure and surface finish, fully meeting diverse appearance and assembly requirements of household appliance brands.


FAQ

Q1: Why choose NAK80 mold steel for large appliance container housing mould?

A: NAK80 steel features uniform pre-hardened hardness, excellent scratch resistance and polishing performance, it avoids surface wear during long-term mass production, keeps the appliance shell with stable high-gloss appearance, and shortens mold processing cycle without secondary heat treatment.

Q2: Can you guarantee the dimensional consistency of large-size plastic container products?

A: Our whole machining process is under ISO9001 strict tolerance control, paired with balanced cooling system and high-rigidity mold base to effectively restrain thick-wall part warpage, ensuring dimensional deviation within ±0.02mm for each batch of appliance housings.

Q3: How long is the lead time for this large household appliance housing injection mold?

A: Standard lead time ranges from 25 to 35 working days, including multiple trial runs, dimensional correction and scratch resistance appearance inspection to ensure the mold meets mass production standards.

Q4: What other surface treatments are available besides scratch-resistant high gloss polishing?

A: We also provide VDI texture etching, matte finish, fog surface treatment on NAK80 mold cavity, to realize different anti-scratch and decorative appearance effects for your appliance shell products.


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