1+1 Cavity ABS Material Large Sprue Submarine Gate 738H HRC35-40 Steel Cavity VDI 24 Core Fine Polishing Housing Handle Part Shell Mould

1+1 Cavity ABS Material Large Sprue Submarine Gate 738H HRC35-40 Steel Cavity VDI 24 Core Fine Polishing Housing Handle Part Shell Mould

This precision 1+1 cavity injection mold is custom-engineered for manufacturing ABS plastic housing/handle shells for handheld devices (e.g., beauty tools, small appliances, power tools). Built with 738H pre-hardened steel (HRC35-40), the mold features a large sprue submarine gate system, VDI 24 textured cavity, and fine-polished core. It balances durable structural molding, ergonomic design reproduction, and long service life for mass production of consumer-grade plastic housings.

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Model:
25135
Brand:
YIXUN mold
Code:
8480419090

Product Description

Product Overview

This precision 1+1 cavity injection mold is custom-engineered for manufacturing ABS plastic housing/handle shells for handheld devices (e.g., beauty tools, small appliances, power tools). Built with 738H pre-hardened steel (HRC35-40), the mold features a large sprue submarine gate system, VDI 24 textured cavity, and fine-polished core. It balances durable structural molding, ergonomic design reproduction, and long service life for mass production of consumer-grade plastic housings.

Core Mold Specifications

Parameter	Specification
Product Name	ABS Housing/Handle Shell Injection Mold
Cavity Configuration	1+1 Cavity (2 parts per cycle: 1 housing + 1 handle)
Molding Material	ABS (Acrylonitrile Butadiene Styrene)
Core & Cavity Steel	738H Pre-Hardened Mold Steel
Steel Hardness	HRC 35-40
Gate System	Large Sprue Submarine Gate
Cavity Surface Finish	VDI 24 Standard Texture
Core Surface Finish	Fine Polished
Application	Handheld device housings, tool handles, small appliance shells
Key Features	Ergonomic fit, consistent texture, easy demolding, low warpage

Key Mold Design & Technical Advantages

1. 1+1 Cavity Combined Production Structure

The 1+1 cavity design produces a matching pair of housing and handle shells in a single cycle, streamlining assembly-ready production. Symmetric runner layout ensures balanced melt filling and cooling for both parts, eliminating dimensional mismatch between mating components. This configuration optimizes production efficiency while maintaining strict tolerances for ergonomic fit and assembly.

2. 738H Steel Construction (HRC35-40)

Balanced Toughness & Wear Resistance: 738H pre-hardened steel offers excellent impact resistance and dimensional stability, ideal for molding large, complex ABS parts like curved handles and housings.
Consistent Texture Reproduction: The steel’s uniform grain structure supports stable VDI 24 texture transfer across high-volume cycles, avoiding texture degradation or unevenness.
Cost-Effective Durability: Pre-hardened to HRC35-40, the mold requires no additional heat treatment, reducing lead times while maintaining long service life for consumer product molding.

3. Large Sprue Submarine Gate System

Efficient, Balanced Filling: The large sprue submarine gate ensures fast, uniform melt flow into the mold cavity, preventing short shots, flow marks, or sink marks on the textured and polished surfaces.
Automatic Gate Break: The hidden gate separates cleanly during ejection, leaving minimal gate residue on the part surface. This eliminates manual trimming, reducing labor costs and preserving the part’s ergonomic shape and finish.
Low Shear Stress: The gate geometry minimizes shear heat buildup, protecting the ABS material from degradation and ensuring consistent part color and finish.

4. Dual Surface Finish: VDI 24 Cavity + Fine Polished Core

The mold combines two surface treatments to meet both aesthetic and functional requirements:

VDI 24 Textured Cavity: The cavity is finished to VDI 24 standard, producing a uniform matte, anti-slip texture on the part’s outer surface. This hides fingerprints, scratches, and minor molding defects, enhancing the consumer product’s durability and ergonomic feel.
Fine-Polished Core: The core undergoes precision polishing to ensure smooth inner surfaces and easy demolding, preventing sticking or damage to the part’s internal structural features (e.g., screw bosses, snap fits).

Mold Performance Comparison

Feature	Our 738H 1+1 Cavity Mold	Standard ABS Housing Mold
Cavity Configuration	1+1 paired housing/handle production	Single cavity, separate molding cycles
Steel Grade	738H (HRC35-40, balanced toughness)	Generic P20 or low-grade steel
Gate System	Large submarine gate, no trimming	Cold side gate, requires manual finishing
Surface Treatment	VDI 24 cavity + polished core	Basic texture or inconsistent finish
ABS Molding	Low warpage, balanced filling	Prone to sink marks or flow lines
Service Life	300,000–500,000 shots	Prone to texture degradation over cycles

Applications & Benefits

This mold is purpose-built for manufacturing ergonomic ABS housings and handles for a wide range of consumer products, including:

Handheld beauty devices (e.g., facial massagers, hair styling tools)
Small home appliances (e.g., blenders, irons, electric toothbrushes)
Power tool accessories (e.g., drill handles, trimmer grips)
Electronic device enclosures (e.g., remote controls, portable chargers)

Key benefits include:

Ergonomic & Aesthetic Consistency: The VDI 24 texture and polished core ensure every part has a uniform, high-quality finish that meets consumer expectations.
Assembly-Ready Quality: Balanced 1+1 cavity production guarantees matching dimensions for housing and handle parts, simplifying downstream assembly.
Cost-Effective Mass Production: The submarine gate system and durable 738H steel reduce production costs and maintenance needs over long runs.

Quality Assurance

All molds undergo rigorous CNC machining, surface treatment validation, and mold trials before delivery. We provide complete documentation, including steel material certificates, texture validation reports, and trial sample data, ensuring the mold meets your production and quality requirements for consumer-grade ABS housings.

FAQ

Q1: Why use 738H steel for ABS housing molds?

A1: 738H pre-hardened steel offers excellent toughness, wear resistance, and texture stability, making it ideal for maintaining the VDI 24 finish and dimensional accuracy of complex ABS parts over high-volume cycles.

Q2: What is the advantage of the 1+1 cavity design?

A2: The 1+1 configuration produces a matching housing and handle in one cycle, ensuring dimensional consistency between mating parts and streamlining assembly-ready production.

Q3: What does VDI 24 texture mean for the finished part?

A3: VDI 24 is a standardized surface finish that creates a uniform matte, anti-slip texture on the part’s outer surface. It hides minor defects and improves the ergonomic feel of the handle/housing.

Q4: How long is the expected service life of this mold?

A4: With proper maintenance, the 738H steel mold supports 300,000–500,000 shots of ABS parts, maintaining consistent texture and dimensional quality throughout its lifespan.

Housing Handle Part Shell Mould 1+1 Cavity ABS Material Large Sprue Submarine Gate mould VDI 24 Core Fine Polishing Housing Handle Part Shell Mould