ROBERTS MANUFACTURING CO. INC.

ISO 9001:2015 CERTIFIED

“Manufacturer of Precision Machined Components to Customer Specifications”

Since 1953

                                  

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Sawing Capabilities:

 (1) Wells F-16-2A Saw:

  • 8” diameter capability

(1) Hyd-Mech H-18 Saw:

  • 14” diameter capability

Grinding Capabilities:

 (1) Blanchard Model 22K-42 Vertical Spindle Surface Grinder:

  • 42” table
  • 12” height capability
  • Capable to .0015” tolerance spread

 (1) Okamoto Model 12-24DX Horizontal Spindle Surface Grinder:

  • 12” x 24” table
  • 12” height capability
  • Capable to .0004” tolerance spread

 (1) Peter-Wolters AC1000 Fine Grinder:

  • Uses carrier configuration with .750” minimum to 8.0” maximum diameter capability
  • Employs CBN pellet wheels top and bottom
  • Capability of .000020” to .000200” flatness (dependent upon size and material)
  • Capable to .000100” load to load thickness repeatability (dependent upon size variation presented load to load)
  • Currently set for hard materials (i.e.: 45-63Rc) although softer materials may be run (review and possible testing required).

 (1) Peter-Wolters 4R1200 Single Side Lap:

  • 4 work station design
  • Capable to .000010” to .000060” flatness (dependent upon size, material, and incoming size and geometry variations)
  • Excellent surface finish capabilities

 (1) Ded-Tru Model C Centerless Grinder:

  • Capable to .00020” tolerance spread under normal production requirements
  • Size range from .030” to 2.500” (1:2 diameter to length)
  • Equipped to grind a wide variety of materials

(2) Cincinnati No. 2 Centerless Grinder:

  • Capable to .00040” tolerance spread
  • Size range from .125” to 3.000” (1:2 diameter to length)
  • Equipped to grind a wide variety of materials

Finishing Capabilities:

 (1) Model 1803-MBC Sunnen Hone

  • Conventional tooling and diamond single-stroke honing
  • Tolerance and Surface finish dependent on application.
  • Size range from .060 – 6.000

 

(2) Vibratory Deburring Machines (Bowl Type)

  • 4 cu / ’ and 8 cu / ‘
  • Ceramic media

 

 

Robert’s Manufacturing Co. Inc.

24338 Road 148  Oakwood, Ohio 45873

Telephone: (419)-594-2712  Fax: (419)-594-2900  Email rmci_info@rmci1.net