Grinding Steel | Precision Grinding, Inc.
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PGI is your "One-Stop-Shop" for all your custom steel needs.

Contact Us Today! 1-888-934-7463 or mail@precisiongrinding.com

american-flag-usaPGI is proud to have one of the largest grinding capacities in the United States.

About Steel Grinding

Steel grinding is a process that moves a grinding wheel or segment in a plane while the wheel contacts the work piece and removes material to create a flat surface. Parts may require surface grinding for several reasons, including:

  • Very flat surface is required
  • Very accurate thickness tolerance is needed
  • Very smooth surface finish is required
  • Need to remove material from very hard materials
  • Quicker material removal

Grinding is a good application for: table tops, robot risers, jigs and fixtures, bolster plates, die shoes, or any part that requires a close tolerance.


Large & Small Capacity Machines Available – 16 Grinding Machines

  • Vertical Spindle Rotary Grinding
    • 128” diagonal grinding capacity
    • 45” high
  • Vertical Spindle Reciprocating Grinding
    • 48” x 200” vertical spindle
    • 16” high
  • Horizontal Spindle Reciprocating Grinding
    • 36” x 200” surface grinding
    • 32” high

We regularly step-grind parts larger than the sizes listed above. Please contact us for details.


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What is Vertical Spindle Grinding (also known as Blanchard Grinding)?

The face of a wheel or segmental wheel is used on the flat surface. Vertical spindle grinding, or Blanchard grinding, is often used for fast material removal, but some machines can accomplish high-precision work. The workpiece is held on a reciprocating table or a rotary-table machine.


What is Horizontal Spindle Grinding?

The periphery (outside diameter) of the wheel is in contact with the workpiece, producing the flat surface. Horizontal spindle grinding is used in high-precision work on simple flat surfaces, flat surfaces next to shoulders, and recessed surfaces.


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Example Photos:


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