Flexible Honing Brushes

September 02, 2010

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Abrasive grit is formed into spheres and suspended a the end of individual nylon filaments. Designed for conditioning a cylindrical I.D. surface, it is self-aligning and self-compensating for wear. The tool imparts a surface that is optically smooth and metallurgically free of any fragmented or scored metal from boring operations.

Flex-Hones®
Flexible Honing Tool    FLEX-HONE®
       
Diameter   Diameter
MM Inches   MM Inches
         
4mm 0.157"   18mm 0.709"
4.5mm 0.177"   19mm 0.750"
4.75mm 0.1875"   20mm 0.787"
5mm 0.197"   22mm 0.875"
5.5mm 0.217"   25.4mm 1.000"
6.4mm 0.250"   29mm 1.125"
7mm 0.276"   31.8mm 1.250"
8mm 0.315"   35mm 1.375"
9mm 0.354"   38mm 1.500"
9.5mm 0.375"   41mm 1.625"
10mm 0.394"   45mm 1.750"
11mm 0.433"   51mm 2.000"
12mm 0.472"   57mm 2.250"
12.7mm 0.500"   64mm 2.500"
14mm 0.552"   70mm 2.750"
16mm 0.625"   76mm 3.000"
      Other sizes available 
Abrasive Options
  GRIT SIZES
Grit Types 20 40 60 80 120 180 240 320 400 600 800
   
SC = Silicon Carbide X X X X Standard X X X
AO = Aluminum Oxide X X X X X X X X X X X
BC = Boron Carbide X X X X X X X X X X X
WC = Tungsten Carbide
(either 100% or 50/50)
X X X X X X X X      
Z Grain = Alumina                      
Zirconia No. 1525
(25% Zirconia / 75% Alumina)
    X X X X X X   X  
Levigated Alumina Available in extra fine grit only.
Diamond 220/240 mesh available for experimental honing.
CBN 140/170 mesh available for experimental honing.

Flex-Hone® Tool:

Instructions for use:

  • The Flex-Hone Tool should be rotating upon entry and removal from cylinder.

  • RPM from 1200 to 60 depending on diameter.

  • Stroke from 30 to 200 per minute depending upon RPM.

  • Average 350-500 RPM at 60-120 strokes. Final stroking may be accelerated to develop 45° cross hatch.

  • OEM high production needs experimentation with different mineral or water-soluble honing oils for optimum results. For convenience, use a 10W30 motor oil or Flex-Hone Oil. Wash cylinders, preferable with water, br/ush and detergent. Then dry and oil.

  • Experiment honing time from 10 to 45 seconds to see what is sufficient to develop plateaued finish free from cut, torn and folded metal.

  • Do not over-hone.

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