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Tips for using technical brushes

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  4. Cleaning with technical brushes

Cup brushes with the longest lifetime


It’s not always easy to notice at first glance: large cup brushes have a removable support ring. This support ring is used to stabilise the cup brush fill material. So if your work involves cleaning metal with technical brushes, the brush gives everything it has – in a controlled application onto the material. After a while, the filler wire is worn down and consumed.

But you don’t need to fit a new technical brush just yet – because this support ring can now be simply removed. This frees up new filler wire: this has the right length again and you can enjoy maximum stock removal as before. Follow this simple advice to significantly increase the lifetime of your cup brush

Technical brushes – tips for product selection


RHODIUS quality crimped steel wire

RHODIUS quality crimped steel wire

  • Fill material most widely used
  • For flexible brush tools
  • Applications: light surface treatment, deburring work
RHODIUS quality straight or knotted steel wire

RHODIUS quality straight or knotted steel wire

  • Demanding brushing work
  • For low-flexibility brush tools
  • Applications: weld grinding and removal of heavy encrustation
RHODIUS quality brass-plated steel wire

RHODIUS quality brass-plated steel wire

  • Corrosion-resistant
  • High tensile strength
  • Applications: for demanding brushing and deburring work
RHODIUS quality brass wire

RHODIUS quality brass wire

  • Applications: surface finishing of non-ferrous metals (NF metals)
RHODIUS quality plastic-bonded steel wire

Quality steel wire, plastic-bonded

  • Plastic-bonded fill material means no wire breakage
  • Brush lasts 10x longer since the wire tips wear down only gradually
RHODIUS abrasive grinding bristle

Abrasive grinding bristles, aluminium oxide/silicon carbide

  • Nylon bristles impregnated with abrasives
  • Uniform grinding effect caused by abrasive release during wear
  • High elasticity and flexibility without risk of breakage
  • Applications: light deburring work on steel, non-ferrous metals and hard plastics

Brush wire diameter and fill material length


The diameter of the wire and the length of the fill material used are key factors that influence the result of the surface treatment. As a rule of thumb: The thicker the wire, the longer the lifetime of the brush. The thicker the wire, the stiffer and more aggressive the brush.

Important: Brushes fitted to handheld machines must have a maximum external diameter of 180 mm!

Brush fill material density


The fill material density depends on the number of wire tips per surface unit.

High fill material densities form the basis for optimal performance and brush lifetime, as well as ideal results from deburring work, for example. Low fill material densities increase the flexibility of the brush and are a requirement when you need to work on highly profiled surfaces.

Optimum orientation of the technical brush to the workpiece


Factors determining the contact pressure of a brush include the brush’s insertion depth in the workpiece. Triple the wire thickness is recommended, e.g. 1.0 mm insertion depth with a wire thickness of 0.35 mm. This applies in particular when deburring pipes.

 

Technical brushes – all shapes, all application scenarios

Go to end brushes Go to wheel brushes
All cup brushes Go to bevel brushes

Cleaning metal efficiently – RHODIUS cup brush with removable support ring

RHODIUS STBZ − Topfbürste mit abnehmbarem Stützring
RHODIUS STBZ
Cup brush with removable support ring
To the variants
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