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RE-NEW MACHINE & MAINTENANCE, A Division of Repair Parts, Inc.
2415 Kishwaukee Street, Rockford, Illinois 61104
Phone: (815) 968-4499 Fax: (815) 968-4694
The One-Stop Shop for
Barber-Colman Machine Tools
- Machine tool reconditioning
- Repair and replacement parts
- Factory trained service
- Training -- operator, set up, or maintenance -- in your facility or ours
- Gear Machine Sales -- We have reconditioned hobbers & sharpeners in stock -- can be seen under power
- Hob sharpening
- Consulting and appraisals
The "Tips & Techniques" section offers helpful hints on the use and maintenance of your
Barber-Colman gear cutting and hob sharpening machines. We have a wealth of information available on
this kind of equipment and we think that this would be the ideal forum to share some of it with you.
We will be changing these tips monthly, so be sure to bookmark this page and check back often.
This Month's Tip - January, 2001
Welcome to the New Year. (The real
"new millennium") We thought that we would start out by offering a guideline to speeds
recommended for hobbing. Those of you who are new to this field and some of us that are getting
older and can't remember as we used to sometimes need a chart like this.
MATERIAL SFM NOT EXCEEDING 35 Rc
These values may vary in accordance
with the number of teeth, length of cut, rigidity, NDP, hardness and type of hob used.
| AISI |
SFM |
AISI |
SFM |
AISI |
SFM |
| C1010 |
120 |
1211 |
240 |
4042 |
150 |
| C1020 |
200 |
1213 |
300 |
4118 |
200 |
| C1022 |
180 |
1215 |
300 |
4119 |
170 |
| C1024 |
150 |
1320 |
200 |
4130 |
150 |
| C1030 |
145 |
1330 |
200 |
4137 |
150 |
| C1040 |
125 |
2317 |
150 |
4140 |
120 |
| C1045 |
125 |
2345 |
130 |
4142 |
120 |
| C1050 |
100 |
3115 |
150 |
4145 |
120 |
| C1095 |
100 |
3120 |
140 |
4150 |
100 |
| B1112 |
250 |
3140 |
125 |
4340 |
120 |
| B1113 |
350 |
3150 |
100 |
4615 |
150 |
| C1113 |
250 |
3310 |
125 |
4620 |
200 |
| C1117 |
300 |
4023 |
200 |
4640 |
140 |
| C1137 |
210 |
4027 |
200 |
4815 |
135 |
| C1140 |
200 |
4032 |
180 |
4820 |
200 |
| C1141 |
200 |
|
|
|
|
| C1144 |
200 |
|
|
|
|
| C1145 |
200 |
|
|
|
|
| C1148 |
200 |
|
|
|
|
| AISI |
SFM |
AISI |
SFM |
AISI |
SFM |
| 5115 |
190 |
301 |
120 |
420 |
125 |
| 5120 |
150 |
302 |
120 |
430 |
125 |
| 5130 |
140 |
303 |
150 |
431 |
100 |
| 5135 |
140 |
304 |
120 |
440 |
100 |
| 5160 |
120 |
305 |
120 |
|
|
| 6120 |
200 |
308 |
120 |
|
|
| 6150 |
120 |
309 |
120 |
|
|
| 8617 |
240 |
310 |
120 |
|
|
| 8620 |
240 |
314 |
125 |
|
|
| 8622 |
240 |
316 |
125 |
|
|
| 8642 |
120 |
317 |
120 |
|
|
| 8720 |
200 |
403 |
125 |
|
|
| 8822 |
200 |
405 |
150 |
|
|
| |
|
410 |
150 |
|
|
| |
|
414 |
125 |
|
|
| |
|
416 |
200 |
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Proferal Iron M3 Hob 100 SFM
BC6 Hob 150 SFM
NOTE: Second Cut Speed Rates may be increased by 50%
Next month we will cover materials other than steel.
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The "Tips" Archive |
| January, 2001 |
January, 2002 |
January, 2003 |
January, 2004 |
January, 2005 |
| February, 2001 |
February, 2002 |
February, 2003 |
February, 2004 |
February, 2005 |
| March, 2001 |
March, 2002 |
March, 2003 |
March, 2004 |
March, 2005 |
| April, 2001 |
April, 2002 |
April, 2003 |
April, 2004 |
April, 2005 |
| May, 2001 |
May, 2002 |
May, 2003 |
May, 2004 |
May, 2005 |
| June, 2001 |
June, 2002 |
June, 2003 |
June, 2004 |
June, 2005 |
| July, 2001 |
July, 2002 |
July, 2003 |
July, 2004 |
July, 2005 |
| August, 2001 |
August, 2002 |
August, 2003 |
August, 2004 |
August, 2005 |
| September, 2001 |
September, 2002 |
September, 2003 |
September, 2004 |
September, 2005 |
| October, 2001 |
October, 2002 |
October, 2003 |
October, 2004 |
October, 2005 |
| November, 2001 |
November, 2002 |
November, 2003 |
November, 2004 |
November, 2005 |
| December, 2001 |
December, 2002 |
December, 2003 |
December, 2004 |
December, 2005 |
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