Pressure is the enemy of a brush's action. Most people use a brush like a grit abrasive--push harder to get more action. Don't do it! Higher speeds (don't exceed the maximum safe free speeds of any power brush) and lighter pressure will increase the brush cutting action. Think of the brush bristle as a vertical rod with a squared-off end. Slightly tipping the angle of that rod brings the sharp edge of the squared end in contact with the surface so it can cut, while bending the rod so that the side of the bristle contacts the surface just lets the bristle slide past. Each bristle is a miniature rod with a cutting edge, so don't push too hard, or the bristle will stop cutting!
- To stiffen a brush: Shorten the trim length (bristle length from mounting to end of brush fill) or increase the material's bristle diameter.
- To increase cutting action: stiffen the brush (see above).
- To increase brush life: use the softest fill material appropriate for the job.
To Lengthen Broom Life: Ordinary brooms wear down rapidly when used to sweep up rough cement floors in basements or garages. Organizing your tack room will help to lengthen the life of your broom as you hang them and not to store brooms with weight on your bristles. Store it bristles up and handle down. Your broom bristles will stay upright longer therefore lengthening the broom's life.
When cleaning a surface to decontaminate for proper welding: be aware that if stainless steel is cleaned with a carbon steel brush, an interaction of materials will leave the surface of the stainless steel contaminated. Use a stainless steel brush but do not use that brush to clean a carbon steel part, as it will thereafter contaminate the surface of the next stainless steel material it is used on.
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