plastic mould, injection mould

Plastics Injection Moulding Guide

Plastic injection moulding is a process of manufacturing parts from thermoplastic as well as thermosetting plastic materials. This process is used for manufacturing smaller parts and even car body panels.

The plastic molding industry has seen a rising trend over the past few years. The industry manufactures products for a large variety of industries including automotive, packaging, aerospace, medical as well as construction industry. Plastic moulding is used for manufacturing small things like bottle caps, milk cartons, pocket combs and many other things that are made of used in everyday life. It is one of the most commonly used processes of manufacturing parts.

The advantages of plastic moulding include the following:

The process has a high rate of production.
This process can make use of a wide range of materials and is not restricted to using a particular raw material.
Once parts are made, there are very few instances when finishing of these parts is required. This saves a lot of money which is otherwise spent on finishing of goods.
The cost of labor in this industry is less because the process is not a difficult one.
There is very less wastage in the process of plastic moulding.
It is a cost effective process that enables the industry to make more profits.
A few disadvantages of this process are listed below:

The equipment and machinery used is very expensive.
The process has to ensure the parts being manufactured are moldable. This often results in the process becoming a little expensive.
A plastic moulding machine has a material hopper, a plunger and heating unit. The heating unit is also known as presses. These hold the molds in which different components that are being manufactured are shaped. Molds are the tools that are used for producing the plastic components or parts. These are also known as dies. The molds are generally made of steel, aluminum or an alloy of beryllium and copper. The material used for making the mold depends upon the cost that the industry is ready to put in for the molds. There are different types of molding processes that can be used depending upon the part being manufactured.

The use of compressors, presses, heaters, knives and other equipment may often require protection from hazards in the plastic molding industry. Those working in the industry need to protect themselves from such hazards. They therefore need to use safety equipment like guards and wear clothing that is heat resistant and can also protect the workers from getting injuries. In addition, the plastic molding machinery must be properly taken care of and maintained by lubricating the various parts whenever necessary to remove jams. This ensures that the machine starts properly without requiring any of the workers to face any hazard.



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