Description

Plastic car door handle mould

Main Technique Parameters
Cavity/Core Material	718H, P20, NAK80, 2316,2738,Din2344,H13 and available
Product Material	ABS, PC, PP, PVC, POM, PMMA, PS, PE, PET, Rubber, Silicone, PA, PBT, PEI, etc.
Base	LKM or by requested
Structure	Double color injection mould, Solid Mould, Insert Mould, Mould with Slide, Mould with Lifter
Runner System	Hot runner, Cold runner
Cavity	Single cavity, multi cavity by requested
Finish	Corrosion word, Mirror finish, Brushed
Longevity	0.5-1 million shots
Mould standard	HASCO, DME, MISUMI, or by requested etc.
Software	CAD, Pro-E, UG, etc
Tolerance	+/-0.05mm
Design Time	3-7days
Sample time	3-7days
Main Technique	Milling, Grinding, EDM, Wire-cutting, Engraving, CNC, and 2.5 Dimension test, etc.
Production time	2-7 weeks, depends on mould structure
Packing	Wooden case, PE, or by requested

Plastic Car Door Handle Mould 9

Door handle injection molding process

1) Mold making
The first step of door handle injection molding is mold making. The mold is the key to injection molding, and its quality and precision directly affect the quality of the finished product. The mold needs to be designed according to the size and shape of the door handle, and is generally made of aluminum alloy or steel. After the mold is made, it needs to be tested and adjusted to ensure the precision and quality of the door handle injection molding.

2) Injection molding
Injection molding is the core link of door handle injection molding. First, the plastic particles need to be heated to a molten state, and then the molten plastic is injected into the mold through an injection molding machine, and then taken out after cooling. When injecting door handles, attention should be paid to the control of parameters such as injection speed, injection pressure and injection temperature to ensure the quality of the finished product.

3) Subsequent processing
After the door handle is formed, subsequent processing is required, including removing mold residues, cutting off flash edges, grinding, painting and other steps. Among them, grinding is a key step, and it is necessary to ensure that the surface of the door handle is smooth without burrs and defects.

Plastic Car Door Handle Mould 10

Common problems of injection molding door handles:

1. Bubbles on the surface of door handles

The reason for bubbles on the surface of door handles may be that the injection speed is too fast or the injection temperature is too high during the injection molding process. At this time, the injection parameters need to be adjusted to ensure that the injection speed and temperature are moderate.

2. Defects on the surface of door handles

Defects on the surface of door handles may be caused by poor mold quality or incorrect injection molding machine parameters. At this time, it is necessary to check the quality and parameters of the mold and injection molding machine, and adjust or replace them.

Summary:

Door handle injection molding is a precise process that requires a series of techniques and processes. Through the introduction of this article, I hope to help readers better understand the principles and processes of door handle injection molding and improve the quality and efficiency of door handle injection molding.

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