Mon Feb 27 10:18:29 CST 2023
The tools and products used in our daily production and life, from the base of a machine tool, the housing of a machine body, to a small embryonic head screw, buttons and the housing of various household appliances, all have a close relationship with moulds. The shape of the mould determines the shape of these products, and the quality and precision of the processing of the mould also determines the quality of these products. Because of the different materials, appearance, specifications and uses of various products, moulds are divided into non-plastic moulds such as casting moulds, forging moulds, die-casting moulds and stamping moulds, as well as plastic moulds.
1, such as: household appliances, instruments, construction equipment, automotive industry, daily hardware and many other fields, the proportion of plastic products is rapidly increasing. A well-designed plastic part can often replace several traditional metal parts. The trend of plasticization of industrial products and daily-use products is rising.
2, the general definition of mould: in industrial production, with a variety of presses and special tools mounted on the press, through the pressure of metal or non-metallic materials to produce the required shape of parts or products, such special tools are collectively known as moulds.
3、Injection moulding process description: mould is a kind of tool to produce plastic products.
4、The general classification of moulds: can be divided into plastic moulds and non-plastic moulds.
(1) non-plastic moulds are: casting moulds, forging moulds, stamping moulds, die-casting moulds, etc.
A. Casting moulds - taps, pig iron platform
B. Forging mould - car body
C. Stamping mould - computer panel
D．Die-casting mould - super alloy, cylinder block
(2) Plastic moulds are further divided according to the different production processes and products produced into.
A. Injection moulds - TV housings, keyboard buttons (the most common application)
B. Air blow moulds - beverage bottles
C. Compression moulds - bakelite switches, scientific porcelain dishes
D. Transfer moulds - integrated circuit products
E. Extrusion moulds - glue tubes, plastic bags
F. Thermoforming moulds - transparent molding packaging shells
G. Rotational moulds - soft rubber doll toys
Injection moulding is the most common method used in plastic processing. The method is applicable to all thermoplastics and some thermosets, and the quantity of plastic products made is unparalleled by other moulding methods. As one of the main tools of injection moulding process, the injection mould, in terms of quality and precision, manufacturing cycle and production efficiency of the injection moulding process, directly affects the quality, output, cost and renewal of products, and also determines the responsiveness and speed of enterprises in the market competition. market competition and the speed of response.