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Equipment for Any Cylindrical Grinding Need

grinding a part - OD grinding

Custom Production Grinding maintains a wide variety of cylindrical, internal, and surface grinding equipment in a climate-controlled 33,000-square-foot facility in metropolitan Milwaukee. Our grinding equipment allows us to handle a wide range of part sizes and shapes, and to consistently and reliably meet tolerances to 0.0002 inch.

We ensure precision and complete adherence to required part specifications through the use of highly accurate inspection equipment. 

We have machinery for:

  • CNC Precision Grinding (Outer Diameter – OD Grinding) – both straight and angle head
  • Precision Semi-Automatic Cylindrical and Universal Grinding
  • Centerless Grinding – both thru-feed and in-feed
  • Internal Diameter (ID) Grinding
  • Precision Honing
  • Surface Grinding

To request a quote, email info@cpg1.com, or use our Submit RFQ form.

“Custom Production Grinding is by far one of the most outstanding vendors I have worked with to date.” — CPG Customer – Read More Testimonials

Cylindrical Grinding Equipment

Mitsubishi CNC Grinders
(Straight and Angle Head)

  • 10 inch diameter x 40 inch length
  • Tolerances to 0.0002 inch diameter, lengths held to 0.0004 inch, finishes to 8 Ra.
  • Precision profile (spheres, angles, radius etc.) Excellent repeatability
  • Live or dead center, collet and chuck grinding
  • 12 machines performing production, prototype or short run work

Precision Semi-Automatic Cylindrical and Universal Grinding

  • 14 inch diameter x 96 inch length
  • Tolerances to 0.0002 inch diameter, finishes to 8 Ra.
  • Live or dead center, collet and chuck grinding
  • 6 machines performing production, prototype or short-run work

Centerless Grinding
(Thru-Feed and In-Feed)

  • 0.100 inch to 4 inch diameter
  • Tolerances to 0.0002 inch diameter, finishes to 8 Ra.
  • Cincinnati 350-20 RK Twin Grip, Koyo KC-500 CNC Centerless, #2 & #3 centerless grinders
  • 10 machines performing production, prototype or short-run work

Internal Grinding

  • 12 inch diameter x 8 inch length
  • Tolerances to 0.0002 inch diameter, finishes to 8 Ra.
  • 2 machines performing production, prototype or short-run work

Precision Honing

  • 0.087 to 3.375 inch diameter, up to 6.6 inch max length.
  • Tolerances to 0.0002 inch diameter, finishes to 8 Ra.
  • 5 Sunnen EC-3500 Automatic Honing Centers
  • 5 Sunnen 1800 & 1804 Automatic Sizing Power Strokers
  • 10 machines performing production, prototype or short-run work

Surface Grinding

  • 30″ Blanchard Rotary Surface Grinder, tolerances to 0.0005 inch width, finishes to 32 Ra.
  • Gardner Double Disc Grinder
  • Chevalier 16 inch x 32 inch surface grinder, tolerances to 0.0002 inch width, finishes to 8 Ra.

Hard Turning

  • 10 inch diameter x 16 inch length
  • 2 Mazak Turning Centers (Quick Turn Nexus 200 & 250)