cast iron measurement plate

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Measuring Surface Plate can be made into rib type or box type and the working surface are typically square, rectangular or round and are allowed to machined V, T or U-shaped grooves and round holes or other holes.
Usage:
Measuring surface plate is used as the datum for measurement of the machinery parts’ geometric tolerance,such as flatness, parallelism, straightness and more. It is also can be used for precision inspection, marking out (layout), and tooling setup.Measuring Surface Plate is the indispensable basic equipment in most mechanical manufacturing industries, such as electronic manufacturing industry and machine tools manufacturing industry, etc.

测量平台材质：测量平台采用高强度铸铁HT200、HT250，经过两次人工处理（人工退火600度——700度和自然时效2——3年），使测量平台精度稳定，耐磨性能好。 测量平台硬度：铸铁测量平台硬度HB170-240
测量平台质量检测内容：表面粗糙度，尺寸公差，力学性能，化学成分，硫、磷含量、重量偏差等。
The material of Cast Iron Measuring Plate is high-strength cast iron HT200 and HT250. After two times’ artificial heat aging treatment( Artificial annealing temperature 600℃ to 700℃or 2-3 years natural aging) the internal stress was totally eliminated, so the surface plate have stable accuracy and good wear-resisting performance.