Centerless Grinding & Screw Machining of Precision Pilot Pins
As a full-service machine shop, Hollander Machine was contracted to produce steel pins for the machine tool industry. These pins, manufactured in various lengths and sizes, are essential components in guiding high speed cutters and drills. We formed the pins by screw machining, centerless grinding, and point and surface grinding bearing-quality E52100 or HSS 01 steel. Ranging in length from 1.500″ to 8.00″, the finished pins had an outside diameter from 1.25″ to 1.5″ with a typical groove width of .060″. We applied a .2 Ra micrometer finish and performed hardness testing to ensure the durability of the pins. Working to manufacturing tolerances as tight as ±.0005″, Precision is capable of meeting any customer’s requirements.
Detailed information on this multi-function pin can be found in the table below or contact us today.
Highlights of this Centerless Grinding Project
| Product Description | These steel pins are used within Portable Magnetic Base Automatic Drilling machine industry. Essential in the “in place hole” drilling/broaching industry guiding high speed cutters and drills. We manufactured these pins complete in various lengths and sizes. |
| Centerless Grinding Capabilities Applied/Processes | Primary: Screw machine, Point Grinding-Surface Grinding, Form undercut, Precise angles and Tapers, Form point angle, Surface Grinding, Form point angle, Surface Grinding, Chamfer, Grind Oil / Lubrication Slot, Cutoff, Heat Treat Rockwell “C” Scale 40 – 62, Centerless Grinding, Grind Outside Diameter to size, Grind Flat |
| Equipment Used to Manufacture Pilot Pins | Brown & Sharpe Automatic Screw Machine(s), Unison DedTru Surface Grinder, Traub Auto Lathe, Okamoto Surface Grinder, Cincinnati #2 Centerless |
| Overall Pilot Pin Dimensions | Length: 1.500″ to 8.00″, Typical Ground Groove Width: .060″, Outside Diameter Ø.125 to 1.500″ |
| Tightest Tolerances | ±.0005 |
| Material Used | E52100 Steel, HSS 01 – European Mill or USA, Bearing Quality, All of Our Steel is 100% U.S.A. |
| Max Material Finish | .2 Ra Micrometers / 8 Ra Micro Inches |
| Testing/Inspection performed | In-Process: Ring Gages, Hardness Testing, Micrometers, Calipers, Indicators, Optical Comparator |
| Industry for Use | Machine Tool |
| Volume | 200 piece Minimum Production Run, Annual volume over 150,000 Per Year |
| Delivery Location | Iowa, Texas, Chicago, Germany, Michigan, Japan |
| Standards Met | Customer supplied print, 2D CAD Drawing |
| Product Name | Pilot, Pilot Pin, Locating Pin, Pilot Blank, Adaptor Pilot, Magnetic Drill Press Arbors and Adaptors |