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K10 ( Mining Bits )

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Type K10

Type K10 for making chisel cemented carbide drill bits.

Unit: mm

TypeDimension
LHSRαβγe
K101616.012.06.030.0110o3o//
K102020.040.0//
K102626.050.0//
K103030.015.08.080.0//
K103232.0//
K10-0050133.017.010.6110.03o30'45o1.5
K10-9900233.017.710.0105.0113o1.6
K10-9950333.018.0125.0110o3o2.0
K103434.015.08.080.0//
K10-7300135.013.018.085.04o//
K10-9100235.011.08.0110.02o30'//
K103838.015.08.0120.03o//
K10-8000138.0110.02o45o1.5
K10-9950539.018.010.0125.03o45o2.0
K104040.015.08.0120.0//
K10-9300242.012.010.0185.0//
K10-8800342.025.016.0120.0105o//
K104343.015.010.0110o//
K104646.0160.0//
K104949.018.0//
K105454.0//
K10-7500157.020.0155.060o2.0
K10-8800158.018.010.0207.02o//
K10-8800260.0//
K10-7200172.018.5230.0120o3o//

Technical Requirements

Allowable deviation in the size and shape of the cemented mining bits should be comply with following:

a. The flatness of the blank supporting plane should not more than 0.1mm, and flatness of non supporting plane should comply with the following:
    Unit: mm
ThicknessLength
10~20>20~40>40
Flatness
60.120.250.30
>6~100.100.200.25
>10~200.080.150.20

b. The allowable deviation of the length (L), height (H), diameter (D) should comply with the following. Among which, the allowable deviation of the length (L) of Model K10 is 0~+1.0mm; the allowable deviation of the height (H) of Model K10, K20, K21, K23 is -0.8~+0mm, and for the thickness (S) is -0.5~0mm; the allowable deviation of the height (H) of Model K0, K20, K21, K23 is -0.5~+0.2mm, and for the thickness (S) is -0.6~0mm.

    Unit: mm
Basic DimensionAllowable Deviation
Ordinary GradeAdvanced Grade
>5.0~11.0±0.25 
>11.0~18.0±0.50±0.35
>18.0~26.0±0.60±0.40
>26.0~34.0±0.80±0.45
>34.0~45.0±1.00±0.50
>45.0~55.0±1.10±0.60

The allowable deviation of the angle of the mining bits should comply with the following:  
 
AngleAllowable Deviation
≤5o0o~+1o
>5o~15o±1o
>15o±2o
 

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