Household Product PP Standard Gate Submarine Gate NAK80 Mold Steel Cavity High Polish Finish Injection Mold Plastic Shell Mould

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  • 19012

  • YIXUN mold

  • 8480419090

1. Product Overview

This injection mold is engineered specifically for high-volume production of premium household plastic shells (e.g., remote controls, small appliance housings, cosmetic containers, or electronic device casings).

Designed with precision gating and premium Japanese-grade steel, this mold guarantees superior surface aesthetics, tight dimensional tolerances, and extended service life. It is the ideal solution for manufacturers who require consistent quality and flawless "class-A" visible surfaces on their end-products.


2. Key Specifications

Parameter Specification
Mold Type Plastic Injection Mould (Household Products)
Cavity Material NAK80 (Pre-hardened Plastic Mold Steel)
Cavity/ Core Quantity 1+1 (Single Cavity) / or Customizable (Multi-cavity available)
Gating System Submarine Gate (Sub-gate)
Surface Finish High Polish (SPI-A1 / Mirror Finish Grade)
Mold Base Standard PP Standard (DME / HASCO / LKM or Custom)
Mold Life 500,000 – 1,000,000 Shots
Injection Material ABS, PC, PC+ABS, PP, PMMA, etc.
Lead Time 25–35 Working Days
PP Standard Gate Submarine Gate tool


3. Design & Engineering Features

A. NAK80 Mold Steel Cavity

  • Superior Hardness & Toughness: NAK80 offers excellent wear resistance and maintains high hardness (approx. 37-43 HRC) without the need for additional heat treatment, preventing deformation during processing.

  • Excellent Thermal Conductivity: Ensures faster and more uniform cooling, reducing cycle times and minimizing warpage.

  • Corrosion Resistance: Ideal for high-humidity environments and aggressive plastics, ensuring a longer tooling lifespan.

B. Submarine Gate (Tunnel Gate)

  • Automatic Degating: The gate is designed to automatically break off during the ejection process, eliminating the need for manual trimming.

  • Aesthetic Advantage: The gate is positioned on the non-visible side of the shell, leaving only a tiny, clean witness mark on the finished product.

  • High Shear Rate: Ensures smooth filling for complex geometries and thin-walled sections.

C. High Polish Finish (SPI-A1 Standard)

  • Optical Quality: Achieved through precise diamond polishing, resulting in a mirror-like surface (Ra < 0.012µm).

  • Easy Demolding: The high-gloss surface reduces friction between the plastic and the cavity, preventing scratches and drag marks.

  • Aesthetic Value: Provides a premium "glossy" appearance to the final plastic shell, eliminating the need for secondary painting or coating in many cases.

D. PP Standard Mold Base

  • Global Compatibility: Manufactured according to "PP" (Plastic Process) standard specifications, ensuring compatibility with standard injection molding machines.

  • High Rigidity: The robust base structure minimizes deflection under high clamping pressures, protecting the precision inserts.


4. Process Optimization & Quality Control

  • Mold Flow Analysis (MFA): We utilize advanced simulation software to optimize the gate location and cooling system before manufacturing, ensuring 100% fill rate without sink marks or air traps.

  • Hardened Guide Pins & Bushings: Ensures precise alignment over millions of cycles, extending tool life.

  • Full Inspection Report: Upon completion, we provide a detailed CMM (Coordinate Measuring Machine) dimension report, material certification, and trial run video to guarantee conformity to your 2D/3D drawings.


5. Why Choose This Mold?

Feature Benefit
Pre-graded Steel Saves 2–3 weeks compared to standard hardened steel molds.
Sub-Gate Design Reduces labor costs by automating gate removal.
Mirror Polish Creates a high-end product finish without secondary operations.
Multi-Cavity Flexibility Can be built as a 2+2 or 4+4 configuration to increase output rate (customizable).
ROI Focused High shot life ensures a lower cost-per-part ratio for mass production.

6. Applications

This mold is perfect for producing the following household product shells:

  • Consumer Electronics: TV remote controls, Wi-Fi routers, smart home sensors.

  • Small Appliances: Hair dryer casings, vacuum cleaner bodies, water dispenser panels.

  • Personal Care: Perfume caps, cosmetic compact cases, electric toothbrush bodies.

  • Medical/Healthcare: Disposable device housings (requiring smooth, bacteria-resistant surfaces).


7. Customization Options

We offer complete customization based on your specific requirements:

  • Gating: Pin-point, Edge, or Valve gates available.

  • Steel Upgrades: S136H (Stainless) or H13 (for high-volume) available.

  • Surface Texture: Fine grain textures (VDI 3400) or high-gloss options.

  • Hot Runner Systems: YUDO, Mold-Masters, or INCOE integration.


8. Packaging & Shipping

  • Packaging: Rust-proof oil coating + VCI anti-rust film + Thick wooden box (export standard).

  • Shipping: By sea (FOB Shenzhen/Ningbo), by air, or by international courier (DHL/FedEx) for urgent prototypes.


9. Contact Us

Ready to take your product to the next level?
Send us your 3D CAD file (STEP/IGS/X-T) and we will provide a free DFM (Design for Manufacturing) report and a competitive quotation within 24 hours!

  • MOQ: 1 Set (Prototype/Trial) to Mass Production.

  • Warranty: 1 Year or 500,000 Shots (Whichever comes first). 

email:susie@yixun-dg.com
Web: www.yixunmold.com
☎️WhatsApp:+8613543733748

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Yixun is the China first generation mold maker, specialize in mold and moulding, provide one-stop plastic manufacturing service, feature in building medical and healthcare device tooling.
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