Materials Processing
Dimensional inspection machines, instruments or systems, other than those specified in 2B006, as follows:
| Reference | Parameter | Threshold |
|---|---|---|
| 2B206.b | ristics: 1. "Measurement uncertainty" along any linear axis | < 35 μm |
| 2B206.b | and 2. "Angular position deviation" | < 002 o |
| 2B206.d | % measured from 0 to 5 mm for LVDTs with an operating range | > 5 mm |
2B206.aComputer controlled or numerically controlled coordinate measuring machines (CMM) having either of the following characteristics:
2B206.a.1Having only two axes and having a maximum permissible error of length measurement along any axis (one dimensional), identified as any combination of E0x,MPE, E0y,MPE, or E0z,MPE, equal to or less (better) than (1,25 + L/1 000) μm (where L is the measured length in mm) at any point within the operating range of the machine (i.e., within the length of the axis), according to ISO 10360-2:2009; or
2B206.a.2Three or more axes and having a three dimensional (volumetric) maximum permissible error of length measurement (E0,MPE) equal to or less (better) than (1,7 + L/800) μm (where L is the measured length in mm) at any point within the operating range of the machine (i.e., within the length of the axis), according to ISO 10360-2:2009;
2B206.bSystems for simultaneous linear-angular inspection of hemishells, having both of the following characteristics: 1. "Measurement uncertainty" along any linear axis equal to or less (better) than 3,5 μm per 5 mm; and 2. "Angular position deviation" equal to or less than 0,02o;
2B206.c‘Linear displacement’ measuring systems having all of the following characteristics: 1. Containing a "laser"; and 2. Capable of maintaining, for at least 12 hours, over a temperature range of ± 1 K (± 1 °C); around a standard temperature and standard pressure, all of the following: a. A ‘resolution’ over their full scale of 0,1 μm or better; and b. With a "measurement uncertainty" equal to or better (less) than (0,2 + L/2 000) μm (L is the measured length in mm).
2B206.dLinear variable differential transformer (LVDT) systems having both of the following characteristics: 1. Having any of the following: a. "Linearity" equal to or less (better) than 0,1 % measured from 0 to the full operating range, for LVDTs with an operating range up to 5 mm; or b. "Linearity" equal to or less (better) than 0,1 % measured from 0 to 5 mm for LVDTs with an operating range greater than 5 mm; and 2. Drift equal to or better (less) than 0,1 % per day at a standard ambient test room temperature ± 1 K (± 1 °C).
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