Key Selling Points
Professional Gas-Assisted Injection Technology: Adopts advanced gas-assisted molding system to perfectly solve common defects of thick-handle parts such as sink marks, shrinkage dents, surface bubbles and internal stress deformation, realizing hollow and lightweight handles with full Class A surface quality.
1*2 Cavity Balanced Production Design: Dual-cavity layout balances production efficiency and flexible trial production, ensuring identical weight, size and surface effect of two handles per cycle, stable batch consistency and low scrap rate.
Optimized for PC+ABS Alloy Material: Specially tuned mold flow, cooling and gating system for PC+ABS high-strength alloy material, improving material fluidity, avoiding poor filling and cracking, and retaining excellent toughness and hardness of housing handles.
Large Sprue & Side Gate Runner System: Upgraded large sprue runner increases feeding volume and speed, matched with reasonable side gate position to avoid jetting and weld lines, ensure full filling of thick handle structures and improve overall molding stability.
Durable 738H HRC35-40 Mold Steel: Core and cavity adopt pre-hardened 738H mold steel with uniform HRC35-40 hardness, featuring superb machinability, polishability and compression resistance, supporting long-term stable mass production.
Lightweight & High-Strength Finished Parts: Gas-assisted hollow molding reduces product weight by 15%-30%, shortens cooling cycle by 20%-40%, enhances handle toughness and anti-fall performance, ideal for high-end appliance housing handles.
Product Overview
This custom gas-assisted injection mold is professionally developed for manufacturing PC+ABS appliance housing handle parts. Equipped with a practical 1*2 cavity structure, it is equipped with a high-efficiency large sprue side gate runner system and mature gas-assisted molding technology, aiming at the molding difficulties of thick-wall, long-strip plastic handles.
Different from traditional solid injection molds, this gas-assisted mold injects high-pressure nitrogen during molding to form a uniform hollow channel inside the handle. It completely eliminates surface sink marks and internal shrinkage holes caused by thick wall thickness, releases internal molding stress, and effectively prevents product warpage and deformation. The entire mold is made of high-quality 738H pre-hardened steel with stable structure and long service life. Optimized for PC+ABS alloy material, it produces handles with smooth surface, high structural strength, good bearing capacity and excellent assembly compatibility, widely applicable to various household appliance, industrial equipment and electronic device housing handles.
Detailed Specifications
| Item | Specification |
| Mold Type | Gas Assisted Injection Mold for Housing Handle Parts |
| Cavity Configuration | 1*2 Cavity (Dual Cavity Symmetrical Production) |
| Molded Material | PC+ABS Alloy Material (High Strength & Toughness) |
| Mold Steel | 738H Pre-hardened Mold Steel |
| Steel Hardness | HRC 35-40 |
| Runner & Gate System | Large Sprue + Side Gate Runner System |
| Molding Technology | Professional Gas-Assisted Injection Molding |
| Surface Quality | Class A Surface, No Sink Marks, No Weld Lines |
| Mold Life | 500,000+ Stable Shots |
| Product Features | Hollow lightweight, high strength, anti-deformation, stress-free |
| Application | Home Appliance Housing, Equipment Shell, Electronic Product Handle |
| Production Lead Time | 30-40 Working Days |
| Quality Standard | ISO9001 Certified, Full Dimensional Inspection & Mold Trial |
![1*2 Cavity PC+ABS Material Gas Assisted Mold]( "1*2 Cavity PC+ABS Material Gas Assisted Mold")
Core Advantages
1. Advanced Gas-Assisted Molding, Zero Defect Thick-Wall Handle
Thick plastic handles are prone to sink marks, shrinkage cavities and internal stress in traditional injection molding. Our gas-assisted technology uses precise nitrogen injection and pressure maintenance to push the plastic material closely fit the mold cavity wall during cooling. It thoroughly eliminates surface shrinkage defects, releases internal residual stress, and prevents long-term warpage and bending of the handle. The hollow structure improves product toughness while ensuring load-bearing performance, making the handle more durable than solid parts.
2. Large Sprue Side Gate System for Stable Filling
Equipped with an enlarged main sprue and optimized side gate layout, the mold provides sufficient and stable melt supply for PC+ABS alloy. The side gate feeding avoids surface gate marks on the visible area of the handle, ensures beautiful appearance, and effectively solves filling shortages, material stagnation and weld line problems of long-strip handle parts. The balanced runner design ensures synchronous filling and consistent quality of the two cavities.
3. 738H HRC35-40 Steel for Stable Long-Term Production
738H pre-hardened mold steel with HRC35-40 moderate hardness has excellent toughness, wear resistance and machining performance. It is not easy to deform or crack under long-term repeated injection pressure and gas-assisted cyclic molding. The steel supports fine polishing and various surface textures, maintaining stable appearance and dimensional accuracy of products in mass production, greatly reducing mold maintenance frequency and production cost.
4. Custom Optimized for PC+ABS Alloy Material
PC+ABS material features high hardness, good toughness and slightly poor fluidity. We optimize mold temperature, cooling channel layout and exhaust structure according to material characteristics. It effectively improves melt fluidity, avoids product cracking and brittle fracture, and ensures the molded handle has high surface gloss, strong impact resistance and stable assembly performance, fully meeting the quality requirements of high-end electronic and electrical appliances.
5. 1*2 Cavity Flexible & Efficient Production
The dual-cavity design achieves a perfect balance of production efficiency and cost. It is suitable for small and medium batch mass production, and also supports sample trial production and product verification. The unified cavity precision ensures zero difference between two finished handles, with low defective rate and high production flexibility, helping customers quickly launch products and occupy the market.
Industrial Applications
This gas-assisted handle injection mold is widely used for producing high-quality PC+ABS plastic handles for various equipment housings:
Household appliance shell handles (air conditioner, water heater, oven, washing machine)
Industrial equipment and mechanical device carrying handles
Medical equipment and instrument housing handles
Outdoor electronic equipment protective shell handles
Custom hollow lightweight structural plastic handles
Why Choose Our Gas-Assisted Mold
Professional Gas-Assisted Molding Experience: Mature nitrogen gas circuit design and process debugging capability, effectively solving all thick-wall molding pain points
Strict Precision Control: Stable cavity matching, no burrs, no deformation, consistent batch product quality
Cost & Efficiency Optimization: Gas-assisted process reduces material cost and shortens cycle time, improving customer production profit
Full Customization Service: Support custom handle shape, size, surface texture and gas circuit scheme
Complete After-Sales Support: Provide mold trial report, process parameter guidance and long-term mold maintenance service
FAQ
Q1: What is the main advantage of gas-assisted handle mold compared with ordinary molds?
A1: It completely eliminates sink marks and shrinkage defects on thick handle surfaces, reduces product weight by 15-30%, shortens cooling cycle, lowers production cost, and avoids product warpage deformation caused by internal stress.
Q2: Why use large sprue side gate for PC+ABS handle?
A2: PC+ABS has poor fluidity. The large sprue ensures sufficient melt supply, and the side gate avoids damaging the handle’s appearance surface, ensuring full filling and flawless appearance of long-strip handles.
Q3: Is 738H steel suitable for long-term gas-assisted production?
A3: Yes. 738H HRC35-40 steel has good pressure resistance and toughness, adapts to repeated gas pressure and injection pressure impact, with stable mold structure and long service life.
Q4: Can you customize different gas-assisted solutions?
A4: Absolutely. We can adjust gas injection position, gas channel size and process parameters according to your handle structure to achieve the best molding effect.
