Q: I did a three-axis CNC router with three CD players.
A: The actuators are DC (or AC) motors with encoder feedback. then they have 2 son + encoder (4-6)
Steppers have 4 + son.
CD players do not use steppers or servos, so I know you can not use one of them.
Engineering »
I need to buy stepper motors for a hobby CNC machine I'm planning on making. Most of the motors I'm seeing are have a rating like "NEMA 23" for instance, but don't list...
The "23" refers to the case size. The shaft size will vary based on power output, which can vary quite a bit within a given case size. You will have to get a spec. sheet from the specific
Engineering »
I am using PVC pieces and have a CNC mill I can make parts on. Does anyone have any ideas of how I can make these motors water proof/tight?
Yea any details on how to do this would be helpful. All the underwater motors I have seen use magnetics and
yes, I'm sure someone does.
Do you want more info, even though you didn't ask?
Visit a hobby shop, there are lots of model boats with propellers. See what they use.
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Engineering »
I am interested in a setup that can make small parts out of most materials - up to and including brass or aluminum. Smaller is better - none of the projects that I can think of are wider than 1"-2" or longer than 4". For example, I might
Try to mount a common drimmel drill to a piece of plywood with the drill bit sticking out.
Make a right angle with two pieces of plywood are screwed together in an "L" shape. Mount the drimmel drill to the inside of the "L".
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You can fax us information at 781-433-8202; e-mail us at dover-sherborn@cnc.com; or send regular mail to , 254 Second Ave., |
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“And for the serious 'Maker,' you can mill them on your home built CNC machine.” “We are honored to have been chosen by the editors of MAKE magazine for |