第
5章　精密测量···································· 80

5.1　概述 ··························································· 81
5.2　精密测量的概念 ······································· 81
5.3　精密量具的保养 ······································· 81
5.4　平尺 ··························································· 81
5.5　精密固定量规 ··········································· 82
5.5.1　塞尺···················································· 82
5.5.2　塞规···················································· 82
5.5.3　环规···················································· 84
5.5.4　卡规···················································· 86
5.6　平板 ··························································· 86
5.7　直角尺 ······················································· 87
5.8　量块 ··························································· 89
5.9　游标测量工具 ··········································· 91
5.9.1　游标卡尺 ············································ 91
5.9.2　游标高度卡尺 ···································· 91
5.9.3　游标深度卡尺 ···································· 92
5.9.4　游标齿厚卡尺 ···································· 92
5.9.5　游标量角器 ········································ 92
5.9.6　游标卡尺的读数方法 ························ 92
5.10　千分尺 ····················································· 96
5.10.1　外径千分尺 ······································ 96
5.10.2　外径千分尺的读数方法 ·················· 99
5.10.3　外径千分尺的校准 ························ 102
5.10.4　内径千分尺 ···································· 103
5.10.5　深度千分尺 ···································· 104
5.11　带表和数显测量工具 ···························· 105

5.11.1　带表卡尺和数显卡尺····················· 105
5.11.2　带表高度卡尺和数显高度卡尺 ····· 107
5.11.3　带表深度卡尺和数显深度卡尺 ····· 108
5.11.4　带表内径千分尺和数显内径
千分尺 ············································ 108
5.12　精密传输或辅助测量工具 ···················· 109
5.12.1　小孔量规 ········································ 109
5.12.2　伸缩量规 ·········································110
5.12.3　可调平垫铁 ·····································111
5.13　千分表和数显表 ····································111
5.13.1　压杆式千分表的应用 ·····················113
5.13.2　杠杆式千分表的应用 ·····················114
5.14　正弦尺 ····················································115
5.14.1　窄面式正弦尺和宽面式正
弦尺 ·················································116
5.14.2　正弦台 ·············································116
5.14.3　正弦虎钳 ·········································117

美国经典技能系列丛书机械加工常识 作者简介

Peter Hoffman（皮特·霍夫曼），于宾夕法尼亚技术学院获得副学士学位，通过了多项Ⅰ级和Ⅱ级 NIMS认证，并且在大专级别的精密加工技术比赛中，获得了2001年美国国家技术金牌， 2000年美国国家技术银牌。他拥有并经营着一家小型机械加工工厂。

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