TECHNICAL INFO  |
Literature  |
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Electronics: |
HAM PRIMA
High performance drill bits Ø DIA 0,55 - 10,0
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HAM COMPOSITE
The new HAM-Drillgeneration with steelshank
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HAM MICRO Via's
High performance micro drill Ø DIA 0,05 - 0,5
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HAM SPIRAL
Solid carbide contour and edge router
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HAM SLOT DRILL printed
High performance drill bits for the slot drilling of
circuit boards
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HAM MULTI
Solid carbide contour and edge router
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HAM BLIND Via's blind holes in
High performance drill bits for the production of
circuit boards
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Precision: |
BRAZED CARBIDE TOOLS
Tools with brazed carbide plates
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HAM SUPERDRILL
High performance spiral twist drill for highest quality
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HAM MULTIDRILL
For machining of short chipping material
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HAM Logistik-Tool-Managment: |
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PRO-LINE: Speeds, Feed & Tolerances |
Cutting Tools for Advanced Machining Operations - Carbide, PCD, PCBN, Indexable Tooling |
| HAM Superdrill Speeds & Feeds List #285, #280, #286, #283, #292, #293, #314 |
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SFM Coolant |
Feed Rates Inch per rev.* |
| Material |
Yes |
No |
Dia. 3mm |
Dia. 4mm |
Dia. 6mm |
Dia. 8mm |
Dia. 10mm |
Dia. 12mm |
Dia. 16mm |
Dia. 20mm |
| Unalloyed Steel up to 800 N/mm2 |
325-525 |
160-400 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
0.018 |
| Unalloyed Steel 800-1200 N/mm2 |
300-500 |
230-360 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
0.018 |
| Alloyed Steel over 1200 N/mm2 |
250-425 |
200-325 |
0.002 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.014 |
0.018 |
| Stainless Steel |
165-300 |
130-230 |
0.002 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.012 |
0.018 |
| Cast Iron, Malleable |
330-600 |
265-460 |
0.004 |
0.005 |
0.008 |
0.012 |
0.016 |
0.016 |
0.012 |
0.032 |
| Aluminum long chipping |
500-660 |
330-660 |
0.004 |
0.005 |
0.008 |
0.012 |
0.016 |
0.016 |
0.024 |
0.032 |
| Aluminum short clipping |
600-1050 |
330-720 |
0.004 |
0.005 |
0.008 |
0.012 |
0.016 |
0.016 |
0.024 |
0.032 |
| Aluminum over 12% Si** |
265-760 |
200-600 |
0.004 |
0.005 |
0.008 |
0.012 |
0.016 |
0.016 |
0.024 |
0.010 |
| Titanium |
200-325 |
165-265 |
0.002 |
0.003 |
0.003 |
0.003 |
0.005 |
0.006 |
0.008 |
0.010 |
| Bronze, Brass, Zinc |
330-760 |
265-600 |
0.004 |
0.005 |
0.008 |
0.012 |
0.016 |
0.016 |
0.024 |
0.032 |
*Feed rates listed for 3 X diameter applications.
For 5 X diameter use a factor of 0.80
For 8 X diameter use a factor of 0.60
**For aluminums over 16% Si, consider the use of HAM PCD Tipped Multi-Drills.
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| HAM Multi-Drill Speeds & Feeds List #297, #298, #299, #294, #296 |
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SFM |
Feed Rates inch per rev.* |
| Material |
Bright |
TiN |
TiAIN |
Dia. 4mm |
Dia. 6mm |
Dia. 8mm |
Dia. 10mm |
Dia. 12mm |
Dia. 16mm |
Dia. 20mm |
| Cast Iron |
265-400 |
325-525 |
400-660 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
| Nodular Iron |
200-300 |
265-400 |
330-460 |
0.003 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.012 |
| Aluminum middle chipping |
330-660 |
330-1150 |
330-2000 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
| Aluminum over 12% Si** |
330-500 |
100-300 |
330-1650 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
| Bronze, Brass |
330-500 |
330-825 |
330-1300 |
0.003 |
0.004 |
0.005 |
0.007 |
0.008 |
0.010 |
0.014 |
*Feed rates listed are for 3 X diameter applications.
For 5 X diameter use a factor of 0.80
For 7 X diameter use a factor of 0.70
For 12 X diameter use a factor of 0.60
*For aluminums of 16% Si, consider the use of HAM PCD Tipped Multi-Drills |
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| Formulas: |
Conversions to inch: |
| RPM = |
(SFM/DIA.(IN)) x 3.82 |
SFM = feet per min. x (3.28) |
| IPR = inch per rev./(25.4) |
| IPM = |
IPR x RPM |
Note: Feed rates listed are starting points. With the proper setup, machine toll, and holding technique, higher feeds can be achieved with excellent results. |
| CYCLE TIME = |
(DEPTH OR CUT (IN)/IPM) x 60 |
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Manufacturing Tolerances
h7,h6 |
| Diameter Range Nominal Size mm |
Tolerance Range mm |
h7 |
h6 |
3.000-6.000
(0.118-0.236) |
-0.012
(0.00047") |
-0.008
(0.00031") |
> 6.000-10.000
(0.236-0.393) |
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-0.009
(0.00035") |
>10.000-18.000
(0.393-0.709) |
-0.018
(0.0007") |
-0.011
(0.00043") |
>18.000-30.000
(0.709-1.181) |
-0.021
(0.00083") |
-0.013
(0.0005") |
Manufacturing Tolerances
m7 |
| Diameter Range Nominal Size mm |
mm |
inch |
3.000-6.000
(0.118-0.236) |
(+)0.004
(+)0.016 |
(+)0.00015
(+)0.00063 |
>6.000-10.000
(0.236-0.393) |
(+)0.006
(+)0.021 |
(+)0.00023
(+)0.00083 |
>10.000-18.000
(0.393-0.709) |
(+)0.007
(+)0.025 |
(+)0.00027
(+)0.00098 |
>18.000-30.000
(0.709-1.181) |
(+)0.008
(+)0.029 |
(+)0.00031
(+)0.00114 |
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