CNC Milling

Promac Inc. utilizes Okuma, Hurco and Excel machining centers. We have six vertical CNC machining centers and four retrofitted 2-axis knee mills to create parts and components made from stainless steel, alumnium, carbon and tool steel.

CNC Milling Equipment

  • 1 Hurco VM-20i (20″ x 40″) CNC Vertical Machining Center
  • 2 Hurco VM1 (14″ x 26″) CNC Vertical Machining Center
  • 1 Okuma MC4VAE (16″ x 25″) CNC Vertical Machining Center
  • 2 Excel 510T18 (16″ x 20″) CNC Vertical Machining Center
  • 2 HAAS 5C Single Head Indexers w/ Control Boxes, Compatible with all VMC’s
  • 1 HAAS 5C 4 Head Indexer w/ Control Box, Compatible with all VMC’s

See full equipment list.

CNC Turning

Equipped with Okuma CNC lathes, Promac Inc. produces round components up to 9” in diameter and 20” length made of mild steel, tool steel, aluminum and stainless steel. Our team of experienced machinists handle all parts of the turning process including fixturing, set-up and machine programming.

CNC Turning Equipment

  • 1 Okuma Genos L400 CNC Lathe w/ IGF (12″ dia. X 19″)
  • 1 Okuma Genos L250 CNC Lathe (11″ dia. X 11″)
  • 1 Okuma LB15 CNC lathe w/IGF (12″ dia. X 20″)

See full equipment list.

Grinding & Wire EDM

Promac’s precision grinding capabilities include surface, ID (Internal Diameter), OD (Outside Diameter), and jig grinding. Our surface grinding techniques achieve flat, square, and parallel to .0002 on parts up to 14” x 24” in size. Promac consistently achieves smooth surface finishes close to 8 micro inch or better.

Grinding Equipment

  • 1 NASA AGS-3F CNC Jig Grinder
  • 1 Moore G18 Jig Grinder w/Acurite DRO
  • 1 Okamota 820DX (8″ x 20″) 3 Axis, Automatic Surface Grinder
  • 1 Okamoto 1632N (16″ x 32″) Surface Grinder
  • 1 Cincinnati (10″ x 36″) Universal Cylindrical Grinder
  • 1 Landis (10″ x 24″) Plain Cylindrical Grinder
  • Brown & Sharpe 618 Micromaster Surface Grinder
  • Thompson Surface Grinder (6″ x 18″) w/ DRO, Scope, and Radius Capability

See full equipment list.

EDM Equipment

  • 1 Mitsubishi MV1200s Wire EDM (New 2017)
  • 1 EDM Drillmate Model 50D-Z2 (Hole Popper)

See full equipment list.

Material Handling

  • 1993 Hyster 5000# Fork Lift-Electric
  • 1000# Push Fork Lift
  • 2017 Chevrolet Silverado C2500 pick up
  • 2011 Chevrolet Silverado K1500 crew cab short bed pick up

Conventional Machining

Our full-service shop has a variety of machines to create the parts, components or prototypes you need. Conventional machining relies solely on expertise of our well experienced toolmakers on manual equipment. These men compliment our efficient CNC gurus, especially when assembly is required. Promac’s toolmakers and machinists construct fixtures, gages and quality parts matching custom specifications.

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