invisabledog
Plastic
- Joined
- Oct 11, 2014
- Location
- Montoursville, PA
Need the back gears and shaft for an antique Champion Forge camelback drill press. 
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WTB-Champion Forge 20" Camelback backgears
- Thread starter invisabledog
- Start date
- Replies 7
- Views 1,401
Ohio Mike
Titanium
- Joined
- Oct 30, 2008
- Location
- Central Ohio, USA
When I needed gears for my 21" Royersford I was able to find new gears. Simply bored them to size.
Bostongear.com your source for speed reducers, gears and power transmission components for industrial applications
Power Transmission Products - Martin Sprocket & Gear
http://www.emersonindustrial.com/en...solutions/products/gearing/Pages/default.aspx
Bostongear.com your source for speed reducers, gears and power transmission components for industrial applications
Power Transmission Products - Martin Sprocket & Gear
http://www.emersonindustrial.com/en...solutions/products/gearing/Pages/default.aspx
johnoder
Diamond
- Joined
- Jul 16, 2004
- Location
- Houston, TX USA
Likely a way faster way to get it going (than waiting around to "find" something) is to find out what you have in the way of Diametral Pitch, and then buy or make or have made what is needed.
Finding out is simple
Get a good clean mic OD and count number of teeth (this of course can be done to any gear missing less than half its teeth)
Add two to tooth count, and divide by that mic OD
Example:
32 teeth, 2.125" OD
34 divided by 2.125 = 16 Diametral Pitch or "DP"
Finding out is simple
Get a good clean mic OD and count number of teeth (this of course can be done to any gear missing less than half its teeth)
Add two to tooth count, and divide by that mic OD
Example:
32 teeth, 2.125" OD
34 divided by 2.125 = 16 Diametral Pitch or "DP"
Custommachining
Cast Iron
- Joined
- Jan 17, 2004
- Location
- Columbia, Pennsylvania
I have an entire Champion drill press in fantastic condition.
Sea Farmer
Diamond
- Joined
- Mar 25, 2006
- Location
- Cape Cod, Massachusetts
When I was looking for back gears for my 20" Royersford, someone here suggested that I calculate the lowest speed I had with the flat belt pulleys and see if I really needed them.
I did and made a chart, which of course is not handy now, but IIRC the lowest speed without back gears was under 200 RPM with a 1725 motor and a reasonable motor pulley size.
What's the math on yours?
I did and made a chart, which of course is not handy now, but IIRC the lowest speed without back gears was under 200 RPM with a 1725 motor and a reasonable motor pulley size.
What's the math on yours?
Ohio Mike
Titanium
- Joined
- Oct 30, 2008
- Location
- Central Ohio, USA
Sea Farmer makes a good point. These drill were designed for carbon steel drills and they really crawl. The later electric Royersford drills shipped with a 1750 RPM motor with a 5-to-1 reduction on the v-belts putting the lower cone at 350 RPM. Speeds were 452, 270, 162, and 98 RPM in direct drive or 82, 48, 29, and 17 RPM in back gear.
Custommachining
Cast Iron
- Joined
- Jan 17, 2004
- Location
- Columbia, Pennsylvania
I will sell my 20" Champion Blower drill press if interested.
20 inch camel back needs the feed drives and new belt motor repair too
mine needs some new enthusiassnm to get it going again
proteus
mine needs some new enthusiassnm to get it going again
proteus
