ISO 1938-2:2017标准的制定旨在规范参考盘规的尺寸、形状、材料、制造和使用要求，以确保尺寸测量设备的准确性和可比性。参考盘规是一种用于校准和检验尺寸测量设备的标准工具，具有高度精度和稳定性，广泛应用于各种制造和检验领域。

ISO 1938-2:2017标准规定了参考盘规的尺寸范围、形状公差、表面质量、材料、硬度、制造工艺、标识和使用方法等方面的要求。其中，参考盘规的尺寸范围包括直径、厚度和圆度等指标，形状公差包括平面度、圆度、同轴度和同心度等指标，表面质量包括光洁度和无划痕等指标，材料要求具有高度的稳定性和耐磨性，制造工艺要求具有高度的精度和可重复性，标识要求清晰明确，使用方法要求符合标准规定的程序和要求。

ISO 1938-2:2017标准的实施可以有效提高尺寸测量设备的准确性和可比性，促进各种制造和检验领域的标准化和规范化。同时，ISO 1938-2:2017标准的制定也为参考盘规的制造和使用提供了明确的指导和标准，有利于提高参考盘规的精度和可靠性，从而更好地满足尺寸测量设备的校准和检验需求。

相关标准
- ISO 1938-1:2015 Geometrical product specifications (GPS) — Dimensional measuring equipment — Part 1: Vernier callipers
- ISO 14253-1:1998 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 1: Decision rules for proving conformity or nonconformity with specifications
- ISO 10360-1:2016 Geometrical product specifications (GPS) — Acceptance and reverification tests for coordinate measuring machines (CMM) — Part 1: Vocabulary
- ISO 15530-3:2011 Geometrical product specifications (GPS) — Coordinate measuring machines (CMM) — Technique for determining the uncertainty of measurement — Part 3: Use of calibrated workpieces or standards to determine the maximum permissible error
- ISO 14253-2:2011 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 2: Guidance for the estimation of uncertainty in GPS measurement, in calibration of measuring equipment and in product verification