10
FluidConnectors
Parker Hannifin Corporation
Tube Fittings Division
Columbus, OH
Bulletin 4390-974250
Cut 250 Saw Use and Maintenance Manual
Sharpening circular saws
The rake varies especially according to the type of material to
be cut.
T
3
4
5
6
7
8
9
10
12
14
16
p
1,3
1,6
2,1
2,5
2,9
3,4
3,8
4,2
5,1
5,9
7,2
d
1,5
2
2,5
3
3,5
4
4,5
5
6
7
8
h = 0,2 mm
h = 0,3 mm
9.7.1 — Recommended cutting parameters
Mild steel
R = 350-500 N/mm
2
Aluminium and allo
y
s
R = 300-300 N/mm
2
Tubes and beams
0,025. D
R = 300-600 N/mm
2
Br
ass
R = 200-400 N/mm
2
Titanium and allo
y
s
R = 300-800 N/mm
2
Tubes and beams
0,05. D
R = 300-600 N/mm
2
Allo
y
ed br
ass
R = 400-700 N/mm
2
Heat-treated steel
R = 950-1300 N/mm
2
Extr
a-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
Gre
y cast iron
Aluminium and allo
y
s
R = 200-400 N/mm
2
Copper
R = 200-350 N/mm
2
Phosphor bronz
e
R = 400-600 N/mm
2
Hard bronz
e
R = 600-900 N/mm
2
A
ustentic stainless
steel R = 500-800 N/mm
2
Mar
tensitic stainless
steel
R = 500-800 N/mm
2
