Thomas 300 SUPER CUT - Tooth Cutting Angle; Table of Cutting Speed According to Disk Diameter

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SUPER CUTSUPER CUT
SUPER CUTSUPER CUT
SUPER CUT
9.7.2 - DIAGRAM OF CUTTING SPEEDS ACCORDING TO DISK DIAMETER
9.7.1 - RECOMMENDED CUTTING PARAMETERS
SECTION TO BE CUT (IN MM)
*T mm
Vt m/1'
*T mm
Av mm/1'
Vt m/1'
Av mm/1'
*T mm
Vt m/1'
Av mm/1'
Av mm/1'
*T mm
Vt m/1'
*T mm
Av mm/1'
Vt m/1'
*T mm
Vt m/1'
Av mm/1'
Av mm/1'
Vt m/1'
*T mm
Mild steel R = 350-500 N/mm
2
Aluminium and alloys R = 300-300 N/mm
2
Tubes and beams 0,025. D R = 300-600 N/mm
2
Brass R = 200-400 N/mm
2
Titanium and alloys R = 300-800 N/mm
2
Tubes and beams 0,05. D R = 300-600 N/mm
2
Alloyed brass R = 400-700 N/mm
2
KEY
T Tooth pitch in millimetres
Av mm/min Advance in millimetres per minute
Vt m/min Cutting speed in metres per minute
Az Tooth advance
Ng/min Number of revs per minute
Z Number of teeth on the disk
p Tooth depth
Heat-treated steel R = 950-1300 N/mm
2
Extra-hard steel R = 950-1000 N/mm
2
Hard steel R = 750-950 N/mm
2
Semi-hard steel R = 500-700 N/mm
2
Grey cast iron Aluminium and alloys R = 200-400 N/mm
2
Copper R = 200-350 N/mm
2
Phosphor bronze R = 400-600 N/mm
2
Hard bronze R = 600-900 N/mm
2
Vt m/min
n = g/min
d Diameter of the tooth fillet cone distance
h Tooth protrusion
γ Front rake
α Rear rake
N/mm Ultimate tensile stress
a-f Flat parts of the cutting edge
Ø Tube diameter or profile width
Austentic stainless steel R = 500-800 N/mm
2
Martensitic stainless steel R = 500-800 N/mm
2
CUTTING ANGLES
RECOMMENDED LUBRIFICANTS Emulsion - Cutting oil
Dry
Kerosene
Dry
Emulsion
Cutting oil Emulsion