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Kinematic supports look hard to manufacture #25

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mikeabuilder opened this issue Oct 14, 2020 · 0 comments
Open

Kinematic supports look hard to manufacture #25

mikeabuilder opened this issue Oct 14, 2020 · 0 comments

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@mikeabuilder
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The current design of the "linear guide" side of the kinematic joints for the heated bed rely on machining a V-grove in a small piece of steel. Manufacturing this might be difficult. I made another design that uses an alimunim block and two press-fit 4mm steel rods as the "linear guide" surface. In order to mate to the existing mounting holes for this part, and have the mounting screws not hot the steel rods, I needed to increase the thickness of the fixed block and we'll need to tap blind holes. I made the part wider so I could add more holes that don't require blind tapping and allow for a thinner fixed block - but do require new holes in the bed. We can decide which path (short and wide vs tall and narrow) before we lock the design of the heated bed. Old and new designs are shown below.
OLD
NEW

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