How do solve Venting Problem of moulding defection Venting Problem usually make plastic parts burned black. Add core or cavity pins is one good solution for solve Venting Problem. and even most difficult to adjust by plastic injection moulding parameters. Mould design and making should make venting design even though…
How to reduce sink marks
How to reduce sink marks of moulding defection Sink marks is popular moulded issue, it happens in the region of thick features such as ribs or bosses shrinks more than the material in the adjacent wall. How to reduce sink marks? We should consider the Factors effecting sink mark depth first:…
What is insert moulding
Insert moulding- Put insert inside before Moulding What is insert moulding? Insert moulding is putting insert when it is moulding, the insert is a metal object or ceramic any hard part, which is must be able to withstand the high-temperature and pressure of the injection moulding process.such as a pin,…
What is plastic injection moulding
Plastic injection moulding is a process to manufacturing products, put melting plastic into mould by injection machine by high temperature and high pressure. Most plastic products in daily life are made by injection moulding, such as toothbrush, bucket and washbasin etc. Pls know that you must be make plastic injection mould first, if…
What is over moulding
Over moulding- One plastic moulding over other plastic Over moulding is the precision plastic injection moulding process, which moulding one material over a other material. The first moulding plastic is hard, and the second is soft. It is two layers! For moulding material, proper material selection is critical – the two…
