The
mould used to make plastic products is called plastic mould for short. In order
to get plastic products with certain sizes, shapes and properties,
thermosetting or thermoplastic plastic is heated to a certain temperature, put
into a mold cavity, and taken out after it cools. This is called plastic
forming technology.
Plastic
forming technology are classified mainly into compression forming, transfer
forming, injection forming in accordance with method of moulding. Moreover
there are hollow how molding forming, foaming forming, pouring forming, etc.
In
accordance with plastic forming technology, plastic mould are classified into
compression mould, transfer mould, injection mould and hollow blow molding mould,
foaming mould, pouring mould, etc.
There
are many kinds of plastic moulds, but they only can be decided into two main
types, forming parts and structure parts. Now, it explain basic structure of
mould with a example of typical
structure.
More information please click www.olimy.com
Fig 1 Basic structure of
Fixed injection mould
a) Mould closing state b) Mould opening state
1-Sprue
puller pin 2-Ejector pin 3-Headed guide pillar 4-Core
5-Cavity plate
6-Cooling
channel 7-Locating ring 8-Sprue bush
9-Clamping plate of the fixed half
10-Fixed
half of a mould 11-Moving half of a
mould 12-Support plate
13-Spacer
(mold leg) 14-Ejector retaining plate 15-Ejector plate
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