For each lathe, the center height is fixed. In order to obtain a good tool angle during cutting, the tool nose is required to be installed in the horizontal plane passing through the center of the spindle. In order to achieve this, the method commonly used by the driver is Use a ruler to directly measure the vertical height of the tool tip from the flat guide rail of the lathe. Adjust the height of the tool tip by the spacer under the turning tool bar to ensure that the turning tool tip is in the horizontal plane of the spindle center, so that the turning tool has the correct cutting. angle. This method is the same for the cutters.
Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.
The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw
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