Process Description and Principles of Operation
The bristle blasting process is a new innovation that both removes corrosion and generates an anchor profile by using a
specially designed rotary bristle tool. This tool consists of hardened wire bristle tips that are bent forward and
dynamically tuned to a hand-held power tool which operates at approximately 2,500 rpm. The mechanical
principles upon which the bristle blasting tool is based are summarized as follows: Bristle tips are designed to strike the
corroded surface with kinetic energy that is equivalent to standard processes that use grit blast media. Immedia-tely after
the bristle tips strike the corroded steel surface, they retract (i.e., "rebound") from the surface, which re-sults in both
corrosion removal and a micro-indentation that exposes fresh surface. Consequently, surfaces that have been treated by
the bristle blasting tool have a texture and visual cleanliness that mimics those obtained by traditional grit blasting
processes.
Common Applications
Although the bristle blasting process is ideally suited for spot-repair applications, it can also be readily applied to larger
surface areas where the use of other metal cleaning processes may be prohibitive or impractical. The pro-cess provides an
efficient means for the removal of corrosion, mill scale, defunct protective coatings, and for post-weld cleaning operations.
These applications frequently arise in a wide range of fabricating and infrastruc-ture-support operations, such as
onshore/offshore well drilling installations, bridge refurbishment, the fabri-cation and repair of naval/marine vessels,
and industrial maintenance applications.
Related Link :
- Introduction MBX Bristle Blaster
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- MBX Surface Treatment System |
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