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機械加工中的尺寸測量工具選擇

信息編號:63933588 發布時間:2025/8/13 18:17:55
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機械加工需根據精度要求選擇測量工具。粗加工階段可用游標卡尺(精度 0.02mm)、千分尺(精度 0.01mm)測量線性尺寸;精密測量則需用百分表(精度 0.01mm)、杠桿千分表(精度 0.001mm)。?
角度測量:90° 角可用直角尺配合塞尺,任意角度選用角度尺(精度 2′),高精度角度需用光學分度頭。?
形狀位置誤差測量:平面度用平板加塞尺,圓度用圓度儀,垂直度可用百分表配合直角座。測量前需清潔工具與工件,測量時避免用力過大導致工具變形,且要在常溫下測量,減少溫度誤差。
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