QUICK LOCKING SHAFT MECHANISM
QUICK LOCKING SHAFT MECHANISM
(OP)
Hi all,
I need help. I need to design a machine for testing electrical motors.
The problem is how to attach a motor that has a round shaft to the tester Machine, and in between there is coupling to compensate alignment errors ?
A collet sistem can not be installed because there is no hole on the main Arbor that could be used for feeding air or oil.
I tried a sprag clutch bearing .It works but it needs a hammer to unlock the system and that could damage the either the motor or machine bearings.
Any ideas ?
MD
I need help. I need to design a machine for testing electrical motors.
The problem is how to attach a motor that has a round shaft to the tester Machine, and in between there is coupling to compensate alignment errors ?
A collet sistem can not be installed because there is no hole on the main Arbor that could be used for feeding air or oil.
I tried a sprag clutch bearing .It works but it needs a hammer to unlock the system and that could damage the either the motor or machine bearings.
Any ideas ?
MD





RE: QUICK LOCKING SHAFT MECHANISM
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If we learn from our mistakes I'm getting a great education!
RE: QUICK LOCKING SHAFT MECHANISM
Yes, it works but i need to insert and remove the motors from the test machine at very hight rate aprox. each 15 seconds. The taper lock takes much time to install and to remove. I know that theres is a hydraulic bushing that uses a screw to increase the pressure in a chamber but i still have the problem of driving it. My system has to rotate so i can´t have a permanent conecction.
http://www.etp.se/index.php?id=106
MD
RE: QUICK LOCKING SHAFT MECHANISM
RE: QUICK LOCKING SHAFT MECHANISM
MD
RE: QUICK LOCKING SHAFT MECHANISM
RE: QUICK LOCKING SHAFT MECHANISM
Shaft size 15.00 mm, torque 10 Nm , speed 1000 r.p.m
RE: QUICK LOCKING SHAFT MECHANISM
http://www.workholding.com/atscatalog07.html
RE: QUICK LOCKING SHAFT MECHANISM
http://www.endeavorproducts.com/
Mike Halloran
Pembroke Pines, FL, USA
RE: QUICK LOCKING SHAFT MECHANISM
Are you hoping to replace the coupling? Make sure if you do that you either have the driving and driven shafts lined up extremely well or have something compliant between the shafts.
RE: QUICK LOCKING SHAFT MECHANISM
FYI
http:
RE: QUICK LOCKING SHAFT MECHANISM
I did search on rotary coupling but i didn´t find anything.
As i can´t have a hole through the main shaft/arbor i need to feed radially.
I must have a coupling between the driven and driving shafts.
NomLaser,
Yes i´m driving dyno. Yes i have to test motor perfomance as fast as possible because this is for motor mass production. The shaft is not keyed and the motor is clamped on a flange.
Currently i´m using a coupling from Zeromax that has a collar incorporated so drive the screw to make the connection between the shafts.
I think that i can build a spline coupling that is attached to the shaft before i insert the motor to the tester, this can be a solution. Takes to much time but....
Thanks for your inputs.
RE: QUICK LOCKING SHAFT MECHANISM
http://www.generalpolygon.com/index.htm
There are others out there to be found on the net.
Customer very much liked the idea for ease-of-connect, speed-of-connect, torque handling capacity, mis-alignment ability. But they had many many shaft types on many many gearboxes, so the cost of providing a separate coupling for all the different shaft sizes was prohibitive.
TygerDawg
Blue Technik LLC
Virtuoso Robotics Engineering
www.bluetechnik.com
RE: QUICK LOCKING SHAFT MECHANISM
The driven shaft i want to connect it´s not keyed.
Thanks.
RE: QUICK LOCKING SHAFT MECHANISM
http://www.deublin.com/
RE: QUICK LOCKING SHAFT MECHANISM
Put a suitable friction "tire" on your dyno. Press the shaft up against that. Add a backing wheel to keep the radial loads on the bearings to an acceptable level.
RE: QUICK LOCKING SHAFT MECHANISM
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: QUICK LOCKING SHAFT MECHANISM
Here is just one of many out there.
http://
RE: QUICK LOCKING SHAFT MECHANISM
Mike Halloran
Pembroke Pines, FL, USA
RE: QUICK LOCKING SHAFT MECHANISM
http://ruland.com/ps_collars_shaft_qcl.asp.
One by itself wouldn't be able to react your torque in friction but maybe you could use the idea.
RE: QUICK LOCKING SHAFT MECHANISM
RE: QUICK LOCKING SHAFT MECHANISM