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APPENDIX 3 – GAUGES (LOW FREQUENCY)
NOTES:
1.
Material = Steel to BS1407 or equivalent.
2.
Gauging surfaces to be hardened/ground to 650 H.V.5 minimum.
3.
These gauges to be used for testing fully assembled components only.
4.
Ultimate wear limit of 0.005mm is allowable on gauging diameters.
5.
Loading force (Bending moment) to give 0.002Nm (Test prod only).
6. All dimensions are in millimetres.
7.
For explanation of dimensions, etc. see BS8888.
8. Unless otherwise stated, all dimensions are maxima.
A3.1. TEST PROD
LAP
Spherical rad
0.500
Ø
0.495
2.70
2.65
A3.2. SIZING GAUGE
LAP
A3.3. HOLDING GAUGE (Mass = 20 +0/-1 gm)
LAP
COMPONENT SPECIFICATION
R 3.16
0.2
0.2
6.25
6.15
0.1
5.35
5.15
- 12 -
9.40
9.27
Spherical rad
0.505
Ø
0.500
Spherical rad
0.465
Ø
0.460
C00525
C00525
C00525
C00525
2.362
Ø
2.350
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