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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 - February, 2001
Last month we promised you more
information concerning Material SFM. We are happy to complete the list from last month.
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.
| Meehanite or Gray Iron |
| 30-35,000 Tensile |
M2 Hob |
110 SFM |
| |
BC6 Hob |
140 SFM |
| 40,000 Tensile |
M2 Hob |
90 SFM |
| |
BC6 Hob |
120 SFM |
| 45,000 Tensile |
M2 Hob |
70 SFM |
| |
BC6 Hob |
100 SFM |
| 50,000 Tensile |
M2 Hob |
60 SFM |
| |
BC6 Hob |
80 SFM |
| 60,000 Anealed |
BC6 Hob |
100 SFM |
| Nodular (Ductile) Iron |
| 10-70-03 |
BC6 Hob |
120 SFM |
| 60-45-10 |
BC6 Hob |
120 SFM |
| 60-40-15 |
BC6 Hob |
120 SFM |
| 120-90-02 |
BC6 Hob |
120 SFM |
| 80-60-03 |
BC6 Hob |
130 SFM |
| 80-55-06 |
BC6 Hob |
170 SFM |
| 60-45-10 |
BC6 Hob |
180 SFM |
| Pearlitic Malleable |
| 26-32 Rc |
M3 Hob |
120 SFM |
| Brass & Copper |
| Free Machining Brass |
750 SFM |
| Naval Brass |
220 SFM |
| Clock Brass |
630 SFM |
| Brass Bar Comp 22 |
750 SFM |
| SAE 70 |
200 SFM |
| SAE 72 |
750 SFM |
| Copper Alloy 353 |
700 SFM |
| Copper Alloy 342 |
700 SFM2 |
| Bronze |
| #62 |
150 SFM |
| #63 |
220 SFM |
| #64 |
200 SFM |
| #65 |
150 SFM |
| #600 |
190 SFM |
| #603 |
450 SFM |
| #621 |
530 SFM |
| #640 |
450 SFM |
| #660 |
500 SFM |
NOTE: Second Cut Speed Rates may be increased by 50%.
If you have any questions or we can help, please feel free to contact us.
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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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