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6-3 Number of Saw Blade Tooth Selection
Note: The following Charts of " Number of Saw Blade Tooth Selection " are for
reference.
Diameter of Saw Blade ( mm ) Wall Thickness
of Tube ( mm ) Φ 250 Φ 275 Φ 300 Φ 350 Remark
0.6
～
0.8
T=280 280 300 320
0.8
～
1.0
240 280 280 320
1.0
～
1.2
220 240 240 280
1.2
～
1.6
200 220 240 240
1.6
～
2.0
180 200 220 220
For Tube
Diameter
D
≧
10 mm
2.0
～
2.5
150 180 180 200
D
≧
15 mm
2.5
～
3.5
120 150 150 180
D
≧
20 mm
3.5
～
4.5
90 120 120 150
D
≧
25 mm
4.5
～
5.5
80 80 90 120
D
≧
30 mm
5.5
～
7.0
64 64 80 90
D
≧
40 mm
For Wall Thickness
≧
2 mm, the Formula for Number of Tooth T is as following
T= 2×(Diameter of Saw Blade×3.14)÷(Wall Thickness of Tube)
For Size of Bar
≧
38 mm, the Formula for Number of Tooth T is as following
Number of Saw Blade Tooth (T) for Mild Steel Solid Bar Cutting
Diameter of Saw Blade ( mm ) Size of Bar
( mm )
Φ 250 Φ 275 Φ 300 Φ 350
6
～
10
T=180 200 200 220
10
～
14
160 160 180 200
14
～
18
150 160 160 180
18
～
22
120 150 150 160
22
～
28
90 90 120 160
28
～
35
80 80 90 120
35
～
45
70 70 80 90
45
～
50
64 64 70 80
T= 4×(Diameter of Saw Blade×3.14)÷(Size of Bar)
1. For stainless steel, the number of tooth is one grade more than mild steel.
2. For aluminum and copper, the number of tooth is one grade less than mild steel.
3. For 45° miter cutting, the number of tooth is one grade less than 90° cutting.