Subject:
|
Re: opposite of float command for nqc ?
|
Newsgroups:
|
lugnet.robotics.rcx.nqc
|
Date:
|
Thu, 27 Jan 2000 00:56:07 GMT
|
Viewed:
|
1918 times
|
| |
|
|
In NCQ & RCX Code, "Off" is the closest one gets to "locking" a motor. It will
resist being turned, but in a crane application I can envision enough force to
externally turn the shaft. You can prevet this from happening by including a
worm gear in your setup. The worm gear can drive other gears both directions
(up & down in your case), but cannot itself be driven by the gear it drives.
Thus, when not powered, the worm gear acts as a locking mechanism. I have used
this method in crane applications, stair climbers, and other applications where
I don't want an unpowered gear train to slip.
Good luck!
- Jeff Barrett
In lugnet.robotics.rcx.nqc, Jason White writes:
> is there a command for ncq the lock a motor in place, sorta opposite to the
> float command? I have a arm that i have made and it sits sorta like a crane
> with a motor to rotate it up and down. Problem is i need it to stop at the
> bottom to pick an object and move up and stay locked. I've used all motors
> and outputs so i was hoping for a software solution.
>
> thanx.
|
|
Message has 1 Reply:
Message is in Reply To:
 | | opposite of float command for nqc ?
|
| is there a command for ncq the lock a motor in place, sorta opposite to the float command? I have a arm that i have made and it sits sorta like a crane with a motor to rotate it up and down. Problem is i need it to stop at the bottom to pick an (...) (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.nqc)
|
3 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
