Insert Moulding: Concept & Process

Insert molding is a widely used term in the recent technological world. Manufacturers now a days are actively involved in innovation of insert moldings with updated technologies. Regarding the concept of molding, it can be said that a mold is a hollowed out block or rigid frame. A liquid or pliable materials like plastic, glass, ceramic materials etc are filled in order to strengthen the material or adds the value added functional features. When the liquid hardens and sets inside the mold and takes the desired shape. Likewise when a preformed or machined component is inserted into the cavity while the mold is opened and then the material is injected properly this process itself is called insert moulding.

Basically there are two methods adopted in insert moulding process i.e post moulded installation and moulded-in- installation.
The step by step procedure that the most of the insert moulding manufacturers follow are-
  • Generally, custom-built mold is loaded with inserts and the inserts may be loaded robotically or manually.
  • Plastic in molten form is injected into the mold.
  • Then it is allowed for cooling, the mold opens and the components are removed.
  • Components are separated from the spruces and inspected accordingly.
  • In case of Post-molding assembly, it include a variety of secondary operations, such as:
Ø  Die cutting of stampings into discrete circuits
Ø  Bonding
Ø  Micro soldering
Ø  Circuit testing

It is always advisable to take the suggestion from the experts before choosing the company for getting exact molding services. MING-LI is one of the leading insert moulding supplier. Insert molding products such as- Electronic and electrical pins, Electrical and electronic connectors, Mechanical assemblies, Life science sensors, Gears and fasteners etc are the frontline products of this company. So choose us and get the quality product.

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