I'm in need of custom sized radius gages, basically from .005 to 2.000 inches. Thinking that it may be easier to build them than buy and am wondering what you think is the most practical way to accomplish this? We don't have a wire EDM which I've seen used in the past to replicate standard gages like Starrett. Everything I would need wouldn't be overly large and relatively thin as Starrett are about .024 thick. Aside from wiring them, laser, water jet, etc. Anything inexpensive that could do an accurate job would be considered. Thanks.
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Making radius gages
- Thread starter xring
- Start date
- Replies 14
- Views 3,663
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
I'm sure you're thinking of more than two. "from .005 to 2.000 inches." What kind of intervals are you thinking of?
If you want "cheap" (and that's the impression I'm getting) look at these:
Amazon.com: Radius Gauges - Reference Gauges: Industrial & Scientific
You could also drill holes in sheet metal and then cut to what you want.
If you want "cheap" (and that's the impression I'm getting) look at these:
Amazon.com: Radius Gauges - Reference Gauges: Industrial & Scientific
You could also drill holes in sheet metal and then cut to what you want.
We've drilled holes before but the amount of gages we are talking about makes it too time consuming. We need to put certain radii on our dies and can be anywhere between the .005 to 2.000 above, probably talking in the 100 piece range. We'd just buy them if they were available but already have all that we've found available. Cheap AND accurate would be nice but accurate is more important.
michiganbuck
Diamond
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- Jun 28, 2012
- Location
- Mt Clemens, Michigan 48035
Having a surface grinder, a shadow graph and a radius dresser makes quick work on these..*Yes likely you could skip the shadow graph and get .001 close with just the dresser...
Might buy used sets off ebay and regrind..perhaps even stacking them to make perhaps 10 at one grind set-up.
just chop flat stock, rough in to .005 close by hand and then finish on surface grinder with dressed wheel..
60 or 80 k or L AO is a good wheel for such.
Might buy used sets off ebay and regrind..perhaps even stacking them to make perhaps 10 at one grind set-up.
just chop flat stock, rough in to .005 close by hand and then finish on surface grinder with dressed wheel..
60 or 80 k or L AO is a good wheel for such.
Bit vague for an informed answer. How many, how accurate ( what's an "accurate job" ? ) you want them and which exact sizes ? How much do you expect them to be used ? Once ? Twice ? If they are real thin a PCB business can laser cut them on their special laser they make masks with.
Conrad Hoffman
Diamond
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- May 10, 2009
- Location
- Canandaigua, NY, USA
Do you need male, female or both? I can't imagine there's any savings in making them. If I needed just a couple male ones, I'd grind them using a Harig Grindall #1 or similar. I use the same thing to make small angle references and squares.
UncleFrank
Cast Iron
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- Nov 14, 2015
- Location
- Midwest, USA
We wrote a laser program for a one inch gage and scaled that one program up and down at the machine to get any oddball sizes we needed.
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
Try looking at this and see if it gives you an idea. You'd need more than one size of course but few would cover what you need.
http://f-m-s.dk/Chamfer.Radius.pdf
The bottom of the page is the relevant part (Measurement of R on a radius).
N.B. To "you know who". I no longer make or sell these.
michiganbuck
Diamond
- Joined
- Jun 28, 2012
- Location
- Mt Clemens, Michigan 48035
Guess if not having a surface grinder one could put a boring bar in a vertical mill and bore a measured hole into a stack of gauge stock cut-offs..so making good concave radius gauges.
Last edited:
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
camscum, help the OP out with a useful suggestion. I also suggest you use less time looking at "My profile" trying to follow me around.
Monarchist
Diamond
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- Oct 2, 2012
- Location
- Sol, Terra
100 pc, and accuracy paramount, seems worthwhile finding a "gage maker" that still does that sort of custom work. AFAIK, Van Keuren no longer does, but AA Janson or Dorsey may still do.
You just cannot be the first shop as needed / still needs such goods, so no point in re-traversing the learning-curve, jigs, fixtures, specialty equipment of some other specialist's ordinary Day Job, is there?
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
"this page" is what is shown when clicking on the poster's name or aka. You're almost always shown as one of the visitors.
The last 10 visitor(s) to this page were:
camscan, davidsfg, Finegrain, iwananew10K, jamscal, Lanso, M King, rons, Sanman, Spinit+
This page has had 2,426 visits
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
With some it's nice (and useful) to know more about the person behind the name or aka assuming of course they give relevant or useful information.
Gordon B. Clarke
Banned
- Joined
- May 29, 2010
- Location
- Denmark
Seems you do a lot of wondering. Members can update their profiles.
Here's a novel thought. Try posting something useful and/or informative instead of just trolling me.
Lanso
Cast Iron
- Joined
- Mar 16, 2013
- Location
- Cerritos, CA
Hey Gordon,
How far are you from a surf beach? I know Denmark has plenty.
A good surf session would mellow you.
How far are you from a surf beach? I know Denmark has plenty.
A good surf session would mellow you.
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