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Type CZ-2

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Type CZ-2  
 
Type
Dimension (mm)
D
H
h
h1
R
α
β
α1
e
CZ0912-2
9.5
12.0
8.0
1.7
/
121o
45o
20o
0.5
CZ1114-2
11.5
14.5
10.4
1.2
/
122o
21o30'
CZ1119-2  
 
19.0
14.9
/
CZ1213-2
12.0
13.0
9.0
0.8
3.0
120o
20o
1.5
CZ1316-2
13.0
16.5
11.5
1.9
/
123o
21o
0.5
CZ1415-2
14.0
15.0
10.0
1.3
4.0
120o
20o
2.0

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 CZ-1 (Spherical Tapered Button)

Next: Type CQ(Spherical Button)

     
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