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Type CB (Special Wedge Button)

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Type CB (Special Wedge Button)  
Type
Dimension (mm)
D
H
R
R1
h
α
α1
β
a
e
CB1215
12.0
15.0
2.0
2.5
9.5
80o
18o
18o
3.0
1.2
CB1217
17.0
11.0
70o
CB1316
13.0
16.5
1.8
10.5
75o
21o
4.0
1.5
CB-96001
18.0
2.0
12.0
18o
3.0
1.2
CB1418
14.0
2.5
3.0
80o
20o
15o
4.0
1.5
CB1419
19.0
2.0
75o
 
 
5.0
CB1520
15.0
20.0
2.5
12.5
18o
18o
3.5
2.2
CB1621
16.0
21.0
13.5
70o
20o
4.0
1.8
CB1827
18.0
27.0
3.0
18.0
23o
6.0
2.0
CB1924
19.0
24.0
3.5
15.0
20o
4.5
1.8
CB2230
22.0
30.0
17.0
60o
18o
2.2

Technical Requirements

  Deviation of the Diameter (D), Height (H) of the mining bits should comply with the following stipulations: 

Unit: mm
Grade D H
Basic Size Allowable Deviation Basic Size Allowable Deviation
Ordinary Level ≤13.0 +0.35
+0.10
≤10 ±0.25
>10.0~18.0 ±0.30
>13.0~22.0 +0.45
+0.10
>18.0~25.0 ±0.35
>22.0 +0.55
+0.10
>25.0 ±0.45
Higher Level ≤18.0 +0.25
+0.05/td>
≤11.0 ±0.15
>11.0~18.0 ±0.20
>18.0~25.0 +0.30
+0.05
>18.0~25.0 ±0.25
>25.0 ±0.30

  The allowed deviation of radius of Rough unit of the mining bits is between 0~0.5mm; 
    The allowable deviation of e: +0.2~+0.4mm

■  The allowed deviation of the unit of mining bits.

Unit: mm
Angle Allowable Deviation
≤5o ±1o
>5o~15o ±2o
>15o ±3o
  

Pre: Type CP-1 (Tapered Flat Button)

Next: Type CS(Spoon-like Button)

     
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