BRM's Flexible Honing, Surface Finishing, and Deburring Blog Blog

BRM's Flexible Honing, Surface Finishing, and Deburring Blog

BRM's Flexible Honing, Surface Finishing, and Deburring Blog is the place for conversation and discussion about how to solve difficult finishing problems. For over 50 years, Brush Research Manufacturing (BRM) has helped customers use brushing technology to clean, rebuild, and resurface components ranging from engine cylinders to brake rotors to flywheels to firearms. BRM's Blog on CR4 provides real-world examples of how flex hones and wire brushes work. It also evaluates related technologies and invites questions from the community.

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Flexible Honing: Applications and Industries

Posted July 25, 2011 4:55 PM by BrushResearch

Flexible hones are used to blend edges, improve surface finish, and remove cut, torn, and folded metal. Unlike other deburring and honing tools, they have "dingle berries" - abrasive globules mounted to nylon filaments - that provide a soft cutting action. These flexible "dingle berries" feature different types of abrasives, but always use a low-temperature abrading process to produce a controlled surface condition.

Flex hones have been used to quiet the brake rotors in Cadillacs, and to deglaze and refinish the walls of engine cylinders. Their applications extend beyond the automotive industry, however, and include uses in agricultural, commercial, manufacturing, military, and transportation applications. Part of what makes flex hones so "flexible" is that they can be used in any rotating spindle. These honing tools are also self-centering, self-aligning to the bore, and self-compensating for wear.

In high-level production environments, flex hones are used in machining centers. But they can also be used by an at-home hobbyist with a hand drill. Here's how flexible honing is used across a variety of surface finishing, deburring, and edge blending applications.

Agriculture

  • Farm tools and equipment
  • Overhaul

Automotive

  • Gas, diesel and motorcycle engines
  • Piston cylinders and piston pin bores
  • Valve guides and valve seating
  • Crankshaft oil passage holes
  • Cam shaft bearing bores
  • Brake rotors and brake cylinders (wheel)
  • Clutch and brake master cylinders

Commercial

  • Lawn maintenance products
  • Brass musical instruments
  • Firearms (shotguns; barrels and chambers)
  • Golf club re-shafting
  • Musical instruments

Industrial and Manufacturing

  • Pneumatic, hydraulic, and hydraulic ram cylinders
  • Hydraulic valve bodies and valve guides
  • Hydraulic motor bodies
  • Air compressors
  • Reactor tube sheets
  • Surface finishing of boiler components
  • Compressed air tool bodies
  • Finishing of stainless steel tubing
  • Rod seals

Military and Defense

  • Jet engines and aircraft missile systems
  • Fire weapons
  • Marine motors

Transportation

  • Aviation
  • Aircraft and helicopter engines
  • Rail transportation
  • Hydraulic landing gear

Have you used flexible honing in an application or industry that's not on our list? If so, please let us know. We'd like to hear from you!

Editor's Note: CR4 would like to thank Brush Research for contributing this blog entry, which originally appeared here.

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#1

Re: Flexible Honing: Applications and Industries

07/27/2011 2:42 AM

How about comparing this with inflexible honing, such as by jamming a rigid grinding disk or cylinder onto a surface to be finished?

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