Tuesday, May 15, 2012

Surface Finishing for Automotive Parts

The Flex-Hone® tool from Brush Research Manufacturing (BRM) is ideal for engine block honing, cylinder deglazing, and many other automotive surface finishing applications. From brake drum makers to truck engine remanufacturers, auto parts suppliers trust BRM’s Flex-Hone® to deliver consistent, high-quality surface conditioning and deburring results. Diesel mechanics, motorsports enthusiasts, and car restoration specialists also choose BRM’s industrial brush tools for their cleaning, polishing, finishing, and surface improvement applications.

The Flex-Hone® for Automotive Surface Finishing
Built with a stiff metal stem, flexible nylon strands, and abrasive globules that come in a selection of grits and abrasive types, the Flex-Hone® is self-centering, self-aligning, and self-compensating for wear. In addition to surface finishing and cross-hole deburring, the Flex-Hone® is ideal for surface preparation and for achieving a plateau surface finish for improved oil retention. Whether mounted in a machine or in an electric hand drill, the Flex-Hone® can be used with auto parts such as camshafts and valves, clutches and brakes, engine cylinders and liners, and crankshafts and piston pins.

Abrasive Nylon Brushes for Auto Parts
Brush Research Manufacturing also offers a full line of abrasive nylon brushes for cleaning, deburring, polishing, and restoring auto parts. BRM’s automotive brushes are used in applications ranging from deburring cast-aluminum engine heads to polishing small inside-diameter (ID) holes on machined parts. NamPower™ brush tools are used to clean threads, stabilize surfaces, and remove rust and corrosion. BRM also provides crimped wire wheels, knotted wire wheels and knotted wire cups that can remove automotive paint and excess molded rubber.

What’s Your Auto Parts Application?
From wet cylinders and dry cylinders to crankshafts and crank bores, BRM provides flexible honing tools and industrial abrasive brushes for consistent, high-quality surface finishing. So what’s your automotive application for the Flex-Hone®? How about for BRM’s automotive brushes or the NamPower™ line of brush tools? Have you used a crimped wire wheel for tube end deburring or a knotted wire wheel for weld finishing?

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2 comments:

  1. What are the grit sizes and abrasive medias used with the Flex-Hone® for Automotive Surface Finishing? what is the selection process of abrasives for this application?

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  2. We have many, many orders for automotive deglazing and crosshatching cylinder walls. While the majority of customers select 240 grit, the best course of action to ascertain the appropriate grit for your rings is to contact the ring manufacturer for the recommended optimal cylinder wall surface finish requirement. If you can provide BRM with the manufacturers optimal surface finish requirement, we can provide you with the appropriate grit recommendation.

    In the technical portion of the BRM website, we have quite a bit of invaluable literature regarding cylinder honing. The Flex-Hone® Resource Guide will provide you with information on tool selection, abrasive and grit selection, stroke rate, etc.

    The rule of thumb for selecting a Flex-Hone® is always order to your nominal bore. If the bore size falls between standard Flex-Hone® sizes, the next larger standard Flex-hone should be selected.

    The recommended abrasive type for mild steel, stainless steel and cast iron is silicon carbide. The recommended abrasive type for nikasil plated cylinders is 240 grit aluminum oxide. However, if this is a nikasil plated cylinder, please thoroughly inspect the cylinder walls to be sure the nikasil plating is free from any cracking or flaking. If any imperfections are found the cylinder must be replated.

    The Flex-Hone® needs to be used with a cutting oil, tapping fluid or lubrication of some kind. We do manufacture a honing oil we feel is the best honing oil to use with the Flex-Hone, it is called Flex-Hone® Oil. We advise against using solvents as they rapidly degrade the Flex-Hone.

    Good luck and happy Flex-Honing.

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