发明名称 |
Milling machine with mill head having retractible return |
摘要 |
A milling machine for cutting a surface on a workpiece and including a milling head assembly having a cutting stroke for cutting the surface of the workpiece and a return stroke to prepare for the next cutting stroke, the milling head assembly including a rotatable spindle structure with a cutter structure mounted to the spindle structure for rotation therewith and being actuable to provide a desired cut on the workpiece surface and a piston and cylinder construction operatively connected with the cutter structure to axially position the cutter structure separately from the spindle structure between an advanced position to provide a desired cut on the workpiece surface and a retracted position relative to the workpiece surface to preclude cutting engagement with the workpiece surface as the cutter structure is moved in opposite directions traversing the workpiece surface and a unique method providing a rough cut on the workpiece surface when the cutter structure is in the retracted position and a finish cut when the cutter structure is in the advanced position and actuating the cutter structure to the retracted position for the return stroke after the finish cut.
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申请公布号 |
US5054975(A) |
申请公布日期 |
1991.10.08 |
申请号 |
US19900612074 |
申请日期 |
1990.11.09 |
申请人 |
PRACTICAL ENGINEERING, INC. |
发明人 |
WAWRZYNIAK, WALTER W.;HABARTH, RICHARD A. |
分类号 |
B23Q1/48;B23Q1/68;B23Q1/70 |
主分类号 |
B23Q1/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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