Cylindrical, Centerless, Surface and Honing Grinding by H.H. Arnold Co.

Arnold specializes in cylindrical and form centerless grinding. CNC cylindrical, internal, honing and surface grinding services are also offered.

Growing with the needs of its customers, Arnold has become widely recognized as a leader in the field of precision grinding. With over 25 grinding machines and over 60 years of grinding experience, Arnold provides quality products at low cost.

Grinding

Grinding

Grinding

Cylindrical Internal and External Grinding Capabilities

• Diameters from .030 to 14"
• Shaft length capacity to 40"
• Internal grinding 16" swing x 8" depth
• Tolerances to .0001 (2.5 microns)
• Roundness to .00002 (.5 micron)
• Concentricity to .00004 (1 micron)
• Surface finishes to 2 micro inch
• CNC Cylindrical Center Type grinding allowing for multiple diameters, angles, tapers, or radius grinding to be completed in one machining operation.

Centerless Grinding Capabilities

• Form, tapered, or straight ground parts
• Diameters from .004 to .500
• Maximum plunge length of 2.5"
• Tolerances to .0001 (2.5 microns)
• Roundness to .00004 (1 micron)
• Finishes to 4 micro inch

Surface Grinding Capabilities

• Maximum capacity 16" x 32" x 16"
• Surface finishes to 8 micro inch

Honing Capabilities

• 1/8" to 6" diameters
• Maximum length 20"
• Surface finishes to 8 micro inch

Grinding Equipment:

• Jones and Shipman 1212 Universal ID-OD, 10" dia. and 16" length
• Toyoda GL4EII, 12" dia. and 40" length