| 摘要 |
This specification discloses a fixture suitable for use in machine shops for setting boring tools for boring holes to accurate dimensions. The fixture has a frame on which a dial indicator is supported in position spaced from a plunger. A rocking bar is supported on a fulcrum between the indicator and the plunger. The distance from the dial indicator point to the fulcrum is twice the distance from the plunger to the fulcrum. The fixture base has pads on it suitable to be supported on a machine table.
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