Sunnen Products Company is a global leader in designing and manufacturing high-precision honing machines, bore sizing tools, and engine rebuilding equipment.
Konpayi pwodwi Sunnen, founded in 1924, is an industry-leading global manufacturer of precision honing machines, bore sizing equipment, and automated manufacturing systems.
For nearly a century, Sunnen has delivered high-performance solutions for cylindrical bore sizing tailored to aerospace, automotive, energy, and medical applications. Their extensive product line includes vertical and horizontal honing systems, precision electronic bore gages, cutting abrasives, honing oils, coolants, and custom tooling.
By offering complete, integrated machining solutions, Sunnen empowers industries to achieve ultra-tight tolerances and flawless surface finishes. Through their global technical service centers and factory-trained engineers, the company continually advances the field of precision bore finishing and lapping processes.
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The recommended spindle speed is 2500 RPM on newer Sunnen Honing Machines for diameters in the .060 - .100 in. (1,5 - 2,5 mm) range.
Set the stone pressure control to a maximum of 1/4 on the scale with the lower scale at 0 and the upper scale at the first graduation from 0.
Sunnen provides global technical support through its factory-trained Field Service Engineers. You can call their toll-free support line at 1-800-325-3670 or email sunnen@sunnen.com.
Use a mild solvent or cleaning solution to remove any honing residues, ensuring the fixture is completely dry before storage to prevent corrosion.