| 摘要 |
A wheel dresser having a diamond point carried by a slider supported on an arm swung from the top of a column support and adapted to have its lower end swing into engagement and rest against a gage block supported against the column. The arm has a cylinder attached to its lower end that engages the gage block to provide a positive precision locating device for the arm so that a sine bar is formed by the arm supported on the column.
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