SG HIGH SPEED DRILL GRINDER-X TYPE

1. Set up the drill to the collet holder

Follow up the steps 1,2,3,4 for set up the drill to the collet holder.(Without tightening)***as shown on diagram #1

2. Set up the diameter of drill

1. Turn right the scale annulus to be "0" position
2. Adjust the scale to meet the diameter of the drill.
***as shown on diagram #2

3. Set up the drill to the grinding position

Insert the collet holder with drill and turn right, then tighten the drill by collet holder for set up the grinding position.
***as shown on diagram #3
Attn: The scale annulus maybe not exact for the drill diameter, because of used drill or different model of drill. Any how, please always make sure the center edge of drill must be parallel with the gap of "Collet Holder". ***as shown on the right diagram

4. Grind the end gash of drill

Insert the collet holder with drill to the end gash grinding port and push to the grinding wheel slowly, then move left and right for de-burring to grind the end gash until the grinding sound disappeared. Take out the collet holder with drill and change to the other side (turn 180 degree) to grind again in same way as above mentioned.***as shown on diagram #4

5. Grind the center point of drill

Insert the collet holder with drill and push to the grinding wheel slightly, then move left and right for de-burring t to grind the center point of drill until the grinding sound disappeared. Take out the collet holder with drill and chang to the other side (turn 180 degree) to grind again in same way as above mentioned.
***as shown on diagram #5
Adjust the center point : Adjust "+" for bigger
Adjust "-" for smaller

6. Grind the secondary clearance angle of drill

Insert the collet holder with drill to the secondary clearance angle grinding port and push to the grinding wheel slowly to grind the secondary clearance angle of drill until the grinding. Take out the collet holder with drill and change to the other side (turn 180 degree) to grind again in same way as above mentioned.***as shown on diagram #6
Adjust the eng gash : Adjust "+" for bigger
Adjust "-" for smaller