Most Recent

This 316 stainless steel cylinder is 144 in long with a bore size of 85 in and with a main section wall thickness of 15 in The part was finish bored honed and machined at American Hollow Boring Co with total indicator runout under 0010 in in the bore With the bore complete all other finished features were made according to the drawing

Machining / Cutting

Deep-Hole Geometry, As Machined

Feb. 13, 2014

When drilling very deep holes itrsquos important to allow enough stock for clean up after a worstcase runout of 0001 in per inch A part that is 180 in long should allow more than 0180 in for cleanup in the bore

CMM and QC

Deep Hole Geometry, As Specified

Jan. 30, 2014

For finishbored holes the standard for accuracy is 0001in runout per foot or better Precision straightening may be employed before or after drilling a hole Honing is used often to provide uniform size and finish

Machining / Cutting

Beyond the Rough, Finish-Bored Hole Straightness

Jan. 15, 2014

There are options for boring rough holes straight through from one end to the other from either end or in steps

Machining / Cutting

How Straight Will the Hole Be?

Jan. 9, 2014

Geoff Ginader

President

http://www.amhollow.com/

Geoff Ginader is the president American Hollow Boring, an independent machine shop specializing in deep-hole drilling and large part machining for industrial applications that range from heavy machinery to defense projects. He enjoys solving complex machining problems, and experts at AHB are available to review specific projects.