PrecinMac

Family of Precision Machining Companies

HPG Trimaster
Maine HOPPE

We are a leading diversified manufacturer of high tolerance precision machined components and assemblies.

We offer a single source solution for precise, high-quality, flexible and on-time manufacturing to top-tier customers globally.

  • Precise
  • Flexible
  • On Time
  • Quality
Customer Delight Through Lean & Speed
Trimaster
Precision Machine

Precision Machining

High speed precision milling can be accomplished on one of our 22 Vertical and Horizontal CNC Machining Centers. Trimaster can do precision turning from 0.020" to over 16" on either one of our 12 CNC Swiss-style lathes or one of our 13 CNC Turning Centers, to tolerances of 0.0002" of an inch and surface finishes as smooth as 16µ inch. We have a full complement of surface, cylindrical and centerless grinders for tighter tolerances. We manufacture anything from precision shafts for paper handling applications to precision milled components for digital projection equipment.
Elastomer Moulding

Elastomer Moulding and Grinding

Elastomer Moulding of various compounds, including EPDM, Neoprene, Nitrile, Natural Rubber, Poly Isoprene, Silicone, and Urethane can be undertaken on one of our 8 transfer molding presses. Elastomer precision grinding and profiling to tolerances of ± 0.0002" is obtainable on our cylindrical or customer CNC grinders. Precision rubber rollers and other elastomer precision rollers manufactured by Trimaster can be found in ATMs, mailroom equipment and photocopiers.
Sheet Metal Fabrication and Metal Finishing

Sheet Metal Fabrication and Metal Finishing

A nine-axis CNC press brake and precision laser cut blanks, with tolerances of 0.005", allow Trimaster to repeatedly run complex sheet metal fabrications for both prototypes and production runs. We also have in-house capability to weld, flame heat treat, clean and de-burr, and apply cold black oxide and chromate conversion coatings.
Value Added Assembly Work

Value Added Assembly Work

Positive-pressure assembly areas and automated assembly capabilities facilitate the assembly of complex, tight tolerance value added components by Trimaster's well trained and customer specialized staff.

End Markets

End Market
End Market
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