Injection Moulding

As compare to moulding , the following designing factors must be set. 1; gate and vent locations must allow or uniform filling of the cavit...

Screw & Barrel Design Screw design varies widely depending upon the manufacturer. Almost all machines are being made with single fligh...

Mould Cooling It is necessary to remove heat from the part to freeze it and cool it below its softening temperature before it can be remov...

Ejector Systems Some force must be applied to the moulded parts to eject them from the mould. Mechanical knock-out devices such as pins or...

Mould Venting At the start of the injection cycle, the mould cavity have an air which must be vented as it is displaced by the incoming m...

Type of gate Gate Dimensions Small gates will result in high injection melt temperatures and pressures. Large gates will increase the tim...

Type of gate Ring and Diaphragm Gates are used to produce cylindrical parts with good concentricity and no weld lines. With a ring gate, t...