Clamping the drill Double-tapered collets with extended clamping
surface guarantee high concentricity.
20
Seconds
Move drill to the sapphire glass and line up the cutting edge
on the screen. Optional 14- and 20-power lenses allow for setting
up smaller drills easier.
30
Seconds
Grind cutting
and clearance angle on first cutting edge.
Cutting
angles are infinitely adjustable. Point angle 80 to 150 degrees,
for flat bottom drills 180 degrees, cutting angle between 0
and 40 degrees.
40
Seconds
Grind cutting and clearance angle on second cutting edge
50
Seconds
IPoint splitting in the same chucking. The various setting options
of the point splitting attachment allow for an almost unlimited
variety of point splitting and web thinning operations.
60
Seconds
Optically check the grind on the projection screen.The perfect
grind can be checked on the optical projection screen with the
desired magnification.
A drill works optimal if the cutting forces are evenly distributed
between the two cutting edges.