Page 19 - HOLE MAKING CATALOG p311-382

USER GUIDE REAMERS

Machining Conditions for Solid Carbide Reamers

Material Tensile Strength or Reamer Reaming Feed mm/rev Cutting Speed
Brinell Hardness Diameter mm Allowance Relative m/min
Steel N/mm2 bzw. HB 0.15-0.25 6-20
up to 1000 up to 10 to Diameter 0.20-0.35 6-15
Cast steel 1000-1400 10-25 0.30-0.50 10-20
400-500 25-40 0.04-0.10 0.12-0.20 6-15
Titanium 500-700 up to 10 0.10-0.25 0.15-0.30 6-15
Titanium Alloy 500-1300 10-25 0.25-0.40 0.20-0.40 10-25
up to 220 HB 25-40 0.04-0.10 0.15-0.25 10-20
Grey cast iron over 220 HB up to 10 0.10-0.25 0.20-0.40 8-15
10-25 0.25-0.40 0.30-0.50
Spheroidal graphite over 80 HB 25-40 0.05-0.10 0.12-0.20 Si<7% 10-30
Cast iron up to 10 0.10-0.25 0.15-0.30 Si<7% 30-60
Malleable cast iron 10-25 0.25-0.40 0.20-0.40
Aluminum alloy 25-40 0.04-0.10 0.12-0.20 20-60
up to 10 0.10-0.25 0.15-0.30 15-50
Copper 10-25 0.25-0.40 0.20-0.40 15-30
Brass 25-40 0.06-0.12 0.20-0.30
Red bronze up to 10 0.10-0.25 0.30-0.45
Cast bronze 10-25 0.25-0.40 0.40-0.70
Thermoset polymers 25-40 0.06-0.12 0.15-0.25
up to 10 0.10-0.30 0.20-0.35
10-25 0.30-0.50 0.30-0.50
25-40 0.06-0.12 0.15-0.25
up to 10 0.10-0.30 0.20-0.40
10-25 0.30-0.50 0.30-0.60
25-40 0.06-0.12 0.20-0.30
up to 10 0.10-0.25 0.30-0.50
10-25 0.25-0.40 0.40-0.70
25-40 0.06-0.12 0.30-0.60
up to 10 0.10-0.30 0.40-0.80
10-25 0.30-0.50 0.50-1.00
25-40 0.10-0.20 0.20-0.30
up to 10 0.20-0.40 0.30-0.50
10-25 0.40-0.60 0.40-0.70
25-40 0.06-0.12 0.30-0.60
up to 10 0.10-0.30 0.40-0.80
10-25 0.30-0.50 0.50-1.00
25-40 0.10-0.25
0.20-0.40
0.40-0.60

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