U.S. Solid MR-13D, Руководство по эксплуатации

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nut before grinding job started. If it is not parallel, adjust it again.
Attention: If the cutting lip is downward, must increase the scale of web
adjustment shelf. If it is upward, please decrease the scale of the web
adjustment shelf.
When the flute length of a drill becomes shorter, the web thickness of a drill
would become thicker. So, for the same diameter of drills, the shorter length
of a drill, the higher scale of web adjustment shelf need to be increased.
C. Grind the point angle
Turn the power switch on and wait until the motor rotation is stable (about
10 seconds), put the chuck set into the point angle grinding shelf.
The slot of clamping nut must fit with the two pins of the grinding shelf.
Insert the drill gently into grinding shelf until reach the grinding wheel.
Grind the drill by moving left and right until the grinding sound disappears.
And then turn to the other side, do the same to grind the drill.
* The grinding size of drill is 2mm-13mm(15mm
）
* The point angle of drill is from 95°to 135°
。
* While grinding, don
’t hold the stem of drill, it will affect the accuracy.