Side Frames | Precision Grinding, Inc.

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Steel Side Frames

PGI Steel manufactures steel plate side frames for custom built machines.

We stock a large inventory of A36, A572 grade 50, 1020, 1045, 4140, and A514 plate ranging in thicknesses from 1/4″ to 8″ thick.

After being flame cut in our Plate Cutting Department and Blanchard ground to within 0.005″ tolerance levels on our grinders, these A36 steel side frames pictured alongside were drilled and machined upon a Takumi CNC machine.


Normal Tolerance Request Thickness Flatness Parallelism
Blanchard Grinding ± 0.005 within 0.005 0.005
Surface Grinding ± 0.001 within 0.003 0.001


Heavy Steel Side Plates for Custom Machines

New press calendar machines incorporate an L-Frame and an A-Frame roller system in order to allow the insertion of up to four large rollers. Multiple roller press machines can now handle laminating and coating paper, in addition to printing multi-colored, dual sided, multiple layer paper products, such as calendars and cover papers. A large press roll cylinder is inserted into the largest hole of the press L-Frame pictured to the right forming the stabilization ends for the printing portion of the press machine.

With up to 110″ wide x 162″ long x 42″ tall CNC Machine capacity and bar mill table tops extending 84″ x 144″, we can machine steel side frames, steel table tops, and fabrications to nearly 20′ in length. Our largest Blanchard Grinder can handle fabrications up to 45″ tall with a 128″ corner-to-corner swing. Our largest reciprocal Mattison Grinder can grind plate up to 48″ wide x 240″ long to within narrow tolerance ranges.


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