Forming Technology – Plastic & Rubber

Blow Moulding

Blow molding (or moulding) is a manufacturing process for forming and joining together hollow plastic parts. It is also used for forming glass bottles or other hollow shapes. In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and injection stretch blow molding.

Thermoforming

Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, formed to a specific shape in a mould, and trimmed to create a usable product. The sheet, or "film" when referring to thinner gauges and certain material types, is heated in an oven to a high-enough temperature that permits it to be stretched into or onto a mould and cooled to a finished shape. Its simplified version is vacuum forming.

Rotational Moulding

Rotational moulding is done by assembling metal moulds into a rotational mould system. Plastic powder is added and rotated while heating the moulds. A layer of plastic builds up, resulting in a constant wall thickness and hollow centre.

Vacuum Casting

Vacuum Casting is used for small runs and prototypes. Vacuum casting's results are very similar to Injection moulding, so it is a good process to illustrate the finished product of Injection moulding to a client.

Compression Moulding

Compression moulding is often also referrred to as Dough moulding, because of the preferred material to mould, which is called Dough Moulding Compound (DMC). Compression moulding requires pressure and heat to force the DMC or PU materials into the mould cavity. The setting is fast.

Injection Moulding

Injection moulding (U.S. spelling: injection moulding) is a manufacturing process for producing parts by injecting molten material into a mould, or mould. Injection moulding can be performed with a host of materials mainly including metals (for which the process is called die-casting), glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers.

Reaction Injection Moulding

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Dip Moulding

An inexpensive process to produce hollow rigid and semi-rigid thermoplastic materials. It is essentially a coating process where layers of material are built up to the specified thickness.

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