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Strange mounting system?

Strange mounting system?

Strange mounting system?

(OP)
Anyone ever seen this type of mounting system? Aluminum hollow tubes with 4 slits and a set screw in the center to spread the tube in order to tighten. This is how a robotic arm is mounted. My problem is i am trying to find a tool that is made for this to spread the 4 slits in order to get the set screw to start catching threads. I fought with this for hours having to use 4 small jeweler screwdrivers to spread it before being able to start the set screw. I'm thinking there must be a tool or better system.

RE: Strange mounting system?

These are reminiscent of Hughes adjusters. You likely require a hollow tool that adjusts the outer screw that acts as a positioning adjustment. The inner hex socket set screw is used as a jam screw to prevent the positioning adjuster from moving under normal usage.

Note that the position adjuster is not intended to do anything more than to set a position and is normally not loaded; the concentric tool keeps the adjuster from moving while you crank down on the the set screw.

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RE: Strange mounting system?

(OP)
Is there already such a tool otherwise we would have to make it

RE: Strange mounting system?

Have you checked to see if maybe the screws are really pipe plugs?
They are tapered.

RE: Strange mounting system?

It appear that Allen wrenches may do the job as it appears that you have set screws. A similar type of fasteners were incorporated in a pair of my old downhill ski boots.

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