|6120364||Grinding fixture and assembly|
A grinding fixture that allows a variety of helical shapes to be ground upon a variety of cutting inserts. The grinding fixture includes a bottom sine base for varying a first angle. A shaft is rotatably attached to the bottom sine base for providing rota...
|4448184||Sine bar grinding wheel dresser|
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 cylinde...
|4157635||Grinding machine for grinding a helical groove in a workpiece of tapering axial section|
A grinding machine for grinding a helical groove in a workpiece of tapering axial section, to give a conical cutter, has means for rotating the workpiece at a varying rate as it is advanced towards the grinding wheel. The rotating means includes a pinion ...