Universal Optical Drill Grinder
Operator's Manual Issue 06/01 Rev 02
33
Setup values for different drills
Setup values for different drills
Remarks
1. Point thinning of drills with dia less than 3mm / 1/8" requires a very sharp edge at the splitpoint grinding wheel
2. Point thinning as "4-facet drilltip with point thinning", then line up cutting edge parallel to splitpoint grinding wheel
and grind lip correction as needed
3. Use 20°-splitpoint grinding wheel, side with radius (radius related to drill-Ø)
4. Use 20°-splitpoint grinding wheel, side with angel (radius related to drill-Ø)
5. Allign cutting edge parallel to single line on the viewing screen
6. Allign cutting edge depending on drill-Ø about 3-7 line to deep on viewing screen
7. Use only DIAMOND-wheels to grind solid carbide drills
8. See special setup sheet for IFANGER boring tools
valid from machine No 00340
Drill
setup values
(approx.)
4-facet drilltip with point thinning
(DIN 1412A)
A
B1
B2
C
D
E
G
Rem
118
30
+ 6
7
40
6
5 R
1
6-facet drilltip for cast iron (DIN 1412D)
118/90
30
+ 6
7
40
10
15 R
4-facet drilltip with point thinning and lip correction
(DIN 1412B) for high carbon steel and hard brass
118
30
+ 6
5
40
12
15 R
2
4-facet parabolic point for deep hole drilling with e.g.
Gühring GT100 or Stock V70 (DIN 1412C)
130
30
+ 5
7
40
6
5 R
4
TITEX Plus, Gühring etc. with split point type UF (similar)
130
30
+ 6
9
60
0
10 L
3
4-facet left-hand drilltip with split point
118 L
30
+ 4
5
130
8
40 L
flat bottom drill (180° tip angle)
145
+ 8
+ 8
3
40
12
17.5 R
5
IFANGER boring tools
--
--
--
--
--
--
--
8
3-fluted right-hand core drill (prim. and sec. relief)
118
30
+ 6
--
--
--
--
3-fluted solid carbide drill
140
22
+ 6
5
50
0
20 L
6,7
2 fluted solid carbide drill
130
28
+ 5
7
40
2
5 L
1,3,7
center drill NC
90
30
+ 6
6
50
12
10 R
