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-   -   Encoders for CIM motors (http://www.chiefdelphi.com/forums/showthread.php?t=153347)

lugsss 09-01-2017 21:45

Encoders for CIM motors
 
The cimcoder, encoder for the cim motor are out of stock on andymark and every other website. Is there any other encoder that works to put individually on the CIM motors?

Thanks

nickbrickmaster 09-01-2017 21:59

Re: Encoders for CIM motors
 
You can spend $90 to get a 1:1 VersaPlanetary with an integrated encoder.

Why though? Unless you're direct-driving something off a CIM, there are better options for encoder positioning (like on a gearbox).

Cothron Theiss 09-01-2017 22:00

Re: Encoders for CIM motors
 
Is this for your drivetrain or shooter wheels or an actuator or what? If you give us a little bit of info, we can direct you to a lot of solutions.

lugsss 09-01-2017 22:25

Re: Encoders for CIM motors
 
I want to do direct drive for mechanums.

Cothron Theiss 09-01-2017 22:33

Re: Encoders for CIM motors
 
You can check out the two threads linked below for lots of suggestions. But you can design the encoder into your gearbox for the CIMs. I don't know of any reason that your encoder has to be on the shaft of the CIM instead of on an output shaft.

https://www.chiefdelphi.com/forums/s...ain+encod ers
https://www.chiefdelphi.com/forums/s...ain+encod ers

Ether 09-01-2017 22:45

Re: Encoders for CIM motors
 
Quote:

Originally Posted by lugsss (Post 1628326)
I want to do direct drive for mechanums.

Please explain what you mean.

.

Munchskull 09-01-2017 22:55

Re: Encoders for CIM motors
 
Look for cimcoder on grabcad. There is a 3dprintable one there.

lugsss 10-01-2017 08:11

Re: Encoders for CIM motors
 
For our direct drive system, we wanted to use mechanum drive so we could align our robot easier to the gear. I am using cim motors on Banebots Building Block Series 220 Planetary gearbox. I have the 8" MK Mecanum, Wheel Set with the 250 standard andy mark hub. I somehow need to attach encoders to two of the wheels. The cimcoder's available on andymark are out of stock. Is there anything else I can use?

Thanks.

Peyton Yeung 10-01-2017 08:19

Re: Encoders for CIM motors
 
Quote:

Originally Posted by lugsss (Post 1628436)
For our direct drive system, we wanted to use mechanum drive so we could align our robot easier to the gear. I am using cim motors on Banebots Building Block Series 220 Planetary gearbox. I have the 8" MK Mecanum, Wheel Set with the 250 standard andy mark hub. I somehow need to attach encoders to two of the wheels. The cimcoder's available on andymark are out of stock. Is there anything else I can use?

Thanks.

Andymark offers an encoder stage for the banebots 220 system.
http://www.andymark.com/product-p/am-2885.htm

lugsss 10-01-2017 08:43

Re: Encoders for CIM motors
 
Quote:

Originally Posted by Peyton Yeung (Post 1628440)
Andymark offers an encoder stage for the banebots 220 system.
http://www.andymark.com/product-p/am-2885.htm

So would this work as as gearbox or would I have to attach it to the gearbox I ordered?

Robo Hamsters 10-01-2017 09:01

Re: Encoders for CIM motors
 
Quote:

Originally Posted by lugsss (Post 1628454)
So would this work as as gearbox or would I have to attach it to the gearbox I ordered?

It appears to be a pass-thru stage (i.e. 1:1) so you would attach it to your current gearbox.

InFlight 10-01-2017 10:30

Re: Encoders for CIM motors
 
"I want to do direct drive for mechanums"

You really want to use a small single speed gearbox per wheel. Any version of the AM Tough box with a hex output shaft would work fine.

We used mechanums and the nano toughbox for recycle rush. We 3D printed an encoder mount, and custom machined the output shaft (length and E-Clip wheel retainer).

FrisbeeFunTime 10-01-2017 10:39

Re: Encoders for CIM motors
 
You may want to look at the Amt103-v or possible another variant of it if you want to put it directly on the cim. We got some from first choice and they seem pretty decent. The encoder comes with various adaptors for different shaft diameters including an 8mm which should work on the cim. I haven't tested them yet so I don't know how good they are, surely someone on here has used them and will be able to give some testimony on how well they work.

PaulChanno88 10-01-2017 10:58

Re: Encoders for CIM motors
 
Are you looking for like a rotary encoder? If so, http://www.usdigital.com/products/en...rotary/kit/E4T

Ether 10-01-2017 11:29

Re: Encoders for CIM motors
 

@logsss: whatever you do, make sure to use a proper gear ratio. You do not want to have 1:1 gearing between the CIM and the 8" wheel.



Ari423 10-01-2017 11:54

Re: Encoders for CIM motors
 
Just going to leave this here.
Quote:

Originally Posted by Mecanum Wheel (Post 1422518)
Hello Mark. Mecanum is a commonly misspelled word. There are multiple ways to say it but only one way to spell it. If you have any questions, feel free to ask. Until then, you may refer to this handy chart:


Munchskull 10-01-2017 12:06

Re: Encoders for CIM motors
 
Quote:

Originally Posted by Munchskull (Post 1628351)
Look for cimcoder on grabcad. There is a 3dprintable one there.

Just going to leave this here.


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