Gripping 5 mm acrylic rod in confined space
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  1. #1
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    Default Gripping 5 mm acrylic rod in confined space

    I am using bushing and 2 set screws to hold a 5mm acrylic rod. and right now the set screws are causing the rod to flex away from the screws by several degrees or two. Do you think a miniature collet like something for handheld tool would hold the rod closer to straight or am i just going to have issues given a small diameter of a soft material. I have very limited space and mass for the attachment mechanism.

    Yes i am aware acrylic is not the optimal material for this...

  2. #2
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    In pro audio/video equipment, there are some nice collet-style control knobs that have a plastic outer body, but a nice brass collet assembly inside, tightened by a screw. They might give you a headstart on a nicely coaxial mount for your acrylic shaft... depending on what you have to affix it to. 5mm seems to be avoided in the link below, but there's a 6mm, and I'll bet you can find a drill somewhere about the shop...

    Classic Collet Knobs

    One example of many out there, revealed in the Google search of: collet mount knobs.

    Chip

  3. #3
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    Google shaft collars, get the split type and you should get no deflection that way.



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