Milling shoe can be divided into three kind: flat-bottom(or concave-bottom) milling shoe, guide mill shoe and come mill shoe according to its structure and shape At the milling surface, the carbide particles are built up by welding, which plays a part of self-milling. It is used to mill the fallen substances, such as bolt, nut, tooth wheel, slip dog, fittings for deep-well pump, etc.
Main Technical Specification of flat-bottom mill shoes:
Type | O.D. | Connetion | OAL |
PMX105 | 105(4-1/8) | NC23 | 343(3-1/2) |
PMX114 | 114(4-1/2) | NC26 | 406(16) |
PMX140 | 140(5-1/2) | 3-1/2REG | 445(27-1/2) |
PMX152 | 152(6) | NC38 | 470(18-1/2) |
PMX178 | 178(7) | NC46 | 482(19) |
PMX195 | 195(7-43/64) | 4-1/2REG | 540(21-1/4) |
PMX215 | 215(8-15/32) | 4-1/2REG | 540(21-1/4) |
PMX311 | 311(12-1/4) | 6-5/8REG | 595(23-27/64) |
PMX406 | 406(16) | 7-5/8REG | 650(25-19/32)
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