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M-P-E Ltd
Reaction Injection Moulding
M-P-E Ltd is a trading name of Mill Precision Engineers Ltd
Copyright (C) 2012 Mill Precision Eng Ltd. All Rights Reserved
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R.I.M Moulding
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R.I.M Moulding
CNC Machining
RIM is the result of a reaction between two liquid components isocyanate and polyol as they are injected into a closed mould at low pressure. The two components are mixed together as they flow into the mould as a low-viscosity liquid and the reaction, which increases the temperature and the pressure at the surface of the tool, forms the polyurethane part in the tool cavity.

Polyurethane resins for RIM have grown into a broad range of formulations with particular physical properties for specific performance requirements. M-P-E Ltd can produce virtually anything from flexible elastomer substitutes, to foam-core parts to extremely rigid, solid and thin-walled components.

Tooling for the R.I.M process can be made from differing materials depending on the quantity and complexity of the parts being moulded, they range from Silicone rubber to Aluminium, and can be very cost effective for small batch (to say 1000 units) and prototype parts

We use our SLA machines to produce the forms for Silicone tools as this is the most common (and the cheapest) type of tooling, it is also the fastest to produce, this means you could have finished parts in days rather than weeks.
More RIM Moulded Parts
Just 1 example
Camera covers for a Lewis company
We developed and prototyped the Cover using our SLA machines, we then produced the mould tool forms again with the SLA machine, produced the tools in Silicone, then moulded and painted 500 production Covers, not only that but we produced ALL the CNC machined aluminium parts for the Cameras and a laser cut and folded bracket assembly, we produced all the parts for the assembly, except for the electronics of course
Laser cutting and Engraving machine purchased
130 watt 900 x 1200 cutting size

Vacuum forming machine purchased, we can now vacuum form up to 6 mm thickness