Baileigh DP-1512B, Руководство по эксплуатации

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Speeds for High Speed Steel Drills
Material Speed In SFM
Alloy Steel-· 300 to 400 Brinell 20 - 30
Stainless Steel 30 - 40
Automotive Steel Forgings 40- 50
Tool Steel, 1.2C 50 - 60
Steel, .4C to .5C 70 - 80
Mild Machinery Steel, .2C to .3C 80-110
Hard Chilled Cast Iron 30 - 40
Medium Hard Cast Iron 70- 100
Soft Cast Iron 100-150
Malleable Iron 80- 90
High Nickel Steel or Monel 40 - 50
High Tensile Bronze 70 -150
Ordinary Brass and Bronze 200 - 300
Aluminum and its Alloys 200-300
Magnesium and its Alloys 250 - 400
Slate, Marble, and Stone 15 -25
Plastics and similar material (Bakelite) 100-150
Wood 300 -400
Titanium Alloys 10 - 25
Titanium Alloy Sheet 50 - 60
In cases where carbon steel drills are applicable, the drill should be run at speeds of from 40 to
50 percent of those given above.