First, accept the task book The task book for forming plastic parts is usually proposed by the part designer, and its contents are as follows: 1. The formal drawings of the finished parts that have been reviewed, a……
First, when the commonly used resin materials such as automobile bumpers and instrument panels are modified resins such as modified PP and modified ABS, the resin materials have different hygroscopicity to meet the moist……
Shape surface The shape surface refers to the surface that constitutes the basic shape features of a mold part. Generally, the external surface is the outer edge surface of the mold part. These outer edge surfaces are mo……
Mold heat treatment is an important process to ensure mold performance. It has a direct impact on the following properties of the mold. Mold manufacturing accuracy: uneven and incomplete structural transformation and exc……
When using mold silicone, please pay attention to: 1. The mold glue must be stirred evenly before use to ensure the best performance of the product. 2. The mold is cleaned and smoothed before use to ensure the best……
I. Classification of raw materials and their supplier evaluation and selection 1. Production of raw materials should be classified management, highlighting key points Hardware companies need a wide variety of raw m……
There are several reasons why the mold bursts: 1. The mold material is not easy to be broken in subsequent processing. 2. Heat treatment: improper quenching and tempering process produces deformation 3. The mold……
Casting Cast nylon 6 has high strength, abrasion resistance, scratch resistance and resilience. Casting reactions are mostly carried out at atmospheric pressure or at very low pressures, so cast nylons have a distinct……
The pressure system is like the heart of the die casting machine. The hydraulic oil is the blood of the die casting machine. What problems should be paid attention to when using the hydraulic oil in the hydraulic system ……
I. Die Casting Introduction Pressure casting is called die casting. It is a casting method in which a molten alloy liquid is poured into a pressure chamber to fill a cavity of a steel mold at a high speed, and the alloy ……