| 摘要 |
A swing grinding fixture and process for using the same is disclosed that enables a conventional surface grinder to remanufacture a machine tool cutting insert by grinding a predetermined shape into the insert. A quick clamping insert holder coupled to a slide secures the tool insert in the fixture. A precision spindle cartridge is mounted in a rigid fixture body and coupled to the slide to provide the swing motion required to generate the radius to be ground. The rigid fixture body includes a pair of micrometer adjustable stops which limit the arc through which the slide may be swung and control the flank shape ground into the insert. In an alternative embodiment, a sine plate is attached to the fixture body and is used to incline the fixture to a predetermined insert rake angle. In operation, the grinding fixture is securely mounted to the table of a surface grinder and a cutting tool insert is secured in the insert holder. The grinding table is manipulated to align the grinding wheel with the axis of rotation of the spindle and the position of the insert is adjusted to manipulate the amount of material to be ground from the insert. The slide is then swung clockwise to contact one micrometer adjustable stop and counterclockwise to contact a second micrometer stop, whereby a predetermined radius, substantially equal to the radius of rotation, is ground into the edge of the tool insert.
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