首页 › JZ百宝箱 › Position Tolerance

Position Tolerance Calculator

True position deviation per ISO 1101 / ASME Y14.5

How It Works

True Position = 2 × √(ΔX² + ΔY²)
Compare against tolerance zone diameter ø. With MMC（最大实体） bonus: tolerance_zone = ø_tolerance + (MMC（最大实体）_size - actual_size).

Nominal (Theoretical) Position

Actual (Measured) Position

Tolerance & MMC/LMC Bonus

Results

X Deviation (ΔX)
+0.050 mm
Y Deviation (ΔY)
-0.030 mm
Radial Deviation
0.058 mm
True Position (2×radial)
0.117 mm
Allowed Tolerance Zone ø
0.200 mm
Result
✓ 合格

Visual Representation