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C/MACHINING RESOURCES
BIBLIOGRAPHY AND RECOMMENDED
READING ON ROUTING
Router Bit Basics for CNC compiled by Steve
Glassel. A Compilation of the Wisdom and
Knowledge of ShopBot Forum Members. Ver.
3.5, May 2012.
Onsrud Cutter LP’s CNC Production Routing
Guide. Onsrud Cutter LP, date unknown.
http://www.onsrud.com/files/pdf/LMT-
Onsrud-CNC-Prod-Routing-Guide.pdf
Onsrud Cutter Inc’s CNC Production Routing
Guide by Tom Cornwell, Tom Erikson, Ross
Gobble, Rich Lee, and Mark O’Brien. Compiled,
edited, and illustrated by Ross Gobble. Onsrud
Cutter Inc, 1996. http://www.onsrud.com/
files/pdf/LMT-Onsrud-CNC-Prod-Routing-
Guide.pdf
Onsrud Production Cutting Tools Catalogs
(http://www.onsrud.com/xdoc/brochures)
Onsrud Production Cutting Tools Catalog (met-
ric) (http://www.onsrud.com/files/pdf/
2014LMTOnsrudMetricProductionCutting-
Tools.pdf)
Onsrud Cutter Chipload Data (http://
www.onsrud.com/xdoc/FeedSpeeds)
ShopBot Feeds and Speeds Charts (https://
www.shopbottools.com/ShopBotDocs/files/
FeedsandSpeeds.pdf)
ShopBot Chipload Per Inch Chart (http://
www.shopbottools.com/mTechShop/files/
ChipLoad_inch.pdf)
Calibrating Feeds and Speeds with Carbide
Microtools (http://www.precisebits.com/tuto-
rials/calibrating_feeds_n_speeds.htm)
• Centurion Tools LLC (http://www.centurion-
tools.com)
• ShopBot (http://www.shopbottools.com)
• Inventables (http://www.inventables.com)
• Datron (http://www.datron.com/tools/
tools.php)
• Kodiak Cutting Tools (http://www.kodiakcut-
tingtools.com)
TOOL RECOMMENDATIONS
Tool Typea:
Tool Part #:
¼″ Two Flute Downcut
Onsrud 57-287
¼″ Two Flute Downshear
Centurion Tools
14DS21.03
¼″ Two Flute Straight V-flute Onsrud 56-082
¼″ Two Flute Straight
a All tools are solid carbide
Centurion Tools
14SF21.03
I get straight bits mostly from Centurion Tools
(https://www.centuriontools.com/) in the moun-
tains of Virginia. They’re a small shop and I like
doing business with them. All their straight bits are
end cutting as well, so they can plunge safely and
easily.
—Bill Young
ShopBot Chipload Calculator
ShopBotters, you already have a feeds &
speeds/chip load calculator built into the
ShopBot control software. Go to Tools→Chip
Load Calculator to open it.
TOOL VENDORS
• Onsrud (http://www.onsrud.com)
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