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#1
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Mounting encoders on a Clamping Gearbox (VEX)
Hey,
We plan this year to use VEX's Single Reduction Clamping Gearbox http://www.vexrobotics.com/vexpro/mo.../217-4156.html I was wondering how can I mount an encoder on it? |
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#2
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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#3
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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I think you're down to getting the VexPro Shifter encoder kit or the Andymark Encoder package or Mount Pad and drilling/tapping or gluing to get them attached. If you're using a kit with one of the US digital mini encoders, I'd encourage you to get the centering tool directly from US digital, so you can make sure the encoder is centered on the shaft. |
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#4
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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If so, What ratio and wheels are you using on this gearbox ? Seems a bit fast if you are using 6 inch wheels |
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#5
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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There were many details that were left out in the original post and in my reply. More details are needed to give a complete answer. Suffice it to say, there doesn't appear to be an off the shelf solution. Some custom manufacturing will be needed. |
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#6
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Re: Mounting encoders on a Clamping Gearbox (VEX)
The DiscoBots are using clamping gearboxes this year on their drivetrain.
The team has generated a couple ideas on how to mount an encoder to the gearbox. http://2015.discobots.org/node/16 |
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#7
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Re: Mounting encoders on a Clamping Gearbox (VEX)
We are using this for our lift gearbox setup since it easily incorporates a disc brake directly onto the gear. The encoder will go into the end of the shaft, just like it does in many WCD drive trains.
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#8
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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2. Do you have a picture of the encoder at the end of the shaft for WCD drivetrains ? |
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#9
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Re: Mounting encoders on a Clamping Gearbox (VEX)
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2.) I'll snap a photo of the WCD shaft tonight, but here's a description until then. I gave this problem to our machining team in the preseason and they came back with something I haven't seen, but it is something we're very comfortable manufacturing in-house. We took ~4.5" of VEX Pro Hex, turned down a shoulder on one end to 3/8" and put it in a die for a 3/8-16 aluminum nut. We then bored a drill bit 'D'-size hole in the same end for a very nice snug fit of a Greyhill 63R encoder. The other side is tapped 1/4-20, 1/2" depth. Locktite all around. Last edited by JesseK : 29-01-2015 at 09:33. Reason: URL |
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