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RG8 Automatic Grinder
RG5A Manual Grinder
PG3 Planetary Grinder
PG3B Planetary Grinder
Grinding Machine Fixtures
Other Coborn Products
DB1 Digital Balancing Machine
BM2 Edge Honing Machine
Analog Balancing Machine
Laser Dicing Machine
Lapping Benches
Gem Polishing Benches
Coborn Engineering website
Many of the world’s most famous and valuable gems have been polished on world renowned Coborn skive equipment. Standard and planetary benches are offered.
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Features | |
| Standard Benches -- “open top”
with a 23mm thick steel table covered with formica or stainless steel.
Available inverter produces variable speeds ranging from 2000-4000
rpm. Electronics are housed in separate enclosure. Planetary Benches provide the same features as the standard benches, plus, the spindle moves in a slow, horizontal, planetary motion at continuously variable speeds. Four planetary benches are available: PS1F-4 -- features fixed stroke, fixed height PS1B-R -- adjustable stroke, fixed height PS1F-S -- fixed stroke, adjustable height PS1B-S -- adjusted stroke, adjusted height |
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Coborn has over half a century’s experience in supplying all types of spindles to the machine
tool industry. Precision skive spindles are designed to run diamond loaded skive plates at high speed.
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Features |
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| The following types are available: 1-hp types: BS, F, S*, R, XS*, X, J 2-hp types: AS, HS*, H, FS*, F * Height adjustable models |
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105 Old Windsor Road
P.O. Box 605
Bloomfield, Connecticut 06002
Telephone: 860.243.0341 Fax: 860.243.3150