Precision injection moulding, overmoulding, insert moulding, technical injection moulding, two shot moulding and even low pressure moulding.
Injection Moulding is at the heart of Inoplas’ skills. We have been making precision injection moulded components, housings, enclosures, and casings for over 50 years.
We work with a wide range of engineering polymers from standard nylons through to exotic thermoplastics with very specific performance characteristics and processing requirements.
Injection moulding is one of the most flexible and economical ways to manufacture parts. Most of our tools are manufactured using hardened H13 Inserts to ensure consistent shot to shot quality. We also offer alternatives when applicable including aluminium, P20 steel and stainless steel as appropriate; we can even 3D print cavities for samples and small quantities.
We can, of course, work in a full range of colours whether using masterbatch or compounded and we work in batches which range from 100 parts to 40,000 in shot weights ranging from less than a gram up to 450 grams. Our 24 injection moulding machines have clamp forces up to 180 tonnes and are fitted with a full range of ancillary handling equipment.
What is injection moulding?
Injection Moulding: Material is introduced into the injection moulding machine via a hopper.
The injection mould machine consists of a heated barrel with a reciprocating screw, this is driven by a hydraulic or electric motor which injects the molten polymer into a temperature-controlled mould tool, the polymer cools and hardens to the configuration of the cavity within the mould tool, it is the cavity that defines the shape of the moulded part. The mould tool is mounted on a moveable platen, when the part has solidified the platen opens and ejects the part using ejector pins.
After a product is designed, a mould tool is made by a toolmaker from metal, usually steel or aluminium, then precision machined to form the features of the desired part.