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单词 Johansson blocks
释义

Johansson blocks

中文百科

块规 Gauge block

(重定向自Johansson blocks)
块规
How gauge blocks are measured.

块规是一种用于精密量测的标准工具,可以用做长度量测的标准件。块规大部分以合金钢、工具钢等耐磨之材质制成,外形通常是长方体,其六面中有一对相对的两面是实际使用的量测面,以极高的加工精度制成,使用时必须先进行清洁,并不得以手碰触。另四面为侧面,表面精度可以较量测面低,除了做为手持处外,也会刻上该块规之基本数据如长度等做为辨识。

块规通常以数十到上百个不同尺寸为一组,可用扭合方式相互结合而成各种不同尺寸,以因应不同的待测尺寸。

英语百科

Gauge block 块规

(重定向自Johansson blocks)
Metric gauge block set
How gauge blocks are measured.

Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge blocks come in sets of blocks with a range of standard lengths. In use, the blocks are stacked to make up a desired length.

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