Machined Quartz Specifications
Machined Quartz Specifications
SYMBOL CHARACTERISTICS |
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SYMBOL |
CHARACTERISTIC |
STANDARD TOLERANCE |
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Flatness | .005″ |
 |
Straightness | .005″ |
 |
Circularity (Roundness) | .010″ |
 |
Cylindricity | .010″ |
 |
Perpendicularity (Squareness) | 1° |
 |
Angularity | 1° |
 |
Parallelism | .005″ |
 |
Profile of a Surface | .030″ |
 |
Profile of a Line | .020″ |
 |
Circular Runout | .010″ |
 |
Total Runout | .010″ |
 |
Position | .020″ |
 |
Concentricity | .010″ |
 |
Symmetry | .010″ |
| NOTE: These tolerances apply to machined ground only and mechanically polished parts only. | ||
Tolerances |
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TOLERANCE BLOCK: |
INCHES |
MILLIMETERS (mm) |
| x. | = ±.040 | = ±1 mm |
| .x | = ±.030 | = ±.75 mm |
| .xx | = ±.010 | = ±.25 mm |
| .xxx | = ±.005 | = ±.13 mm |
| ANGLE | = ± 1° | = ± 1° |
| On inside sharp corners, R.125 preferred. EXAMPLE: Rectangular holes and corner contours. | ||
STANDARD SURFACE FINISHES (MICRO INCH)SURFACE QUALITY–MIL SPEC.–PRF-13830B 80/50 |
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N6 | 32√D | 32 Ra (μ in) | Diamond finish |
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N5 | 16√D | 16 Ra (μ in) | Diamond finish |
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N4 | 9√G | 9 Ra (μ in) | Ground finish |
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N2 | 2√MP | 2 Ra (μ in) | Ground & Polish finish |
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N2 | 2√FP | 2 Ra (μ in) | Flame Polish finish |
