Thingiverse
1" Spinlock for barbell
di neil_taylor
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Spinlocks for 1" barbells/bars.
I printed in TPU and used 2mm walls, top and bottom and they've come out really sturdy.
Sized for a slightly tight fit and with TPU being a bit tacky they stay put.
I made them as locking nuts for around metal spinlocks to stop them coming loose, but I've ended up using them on their own - I've only tried 20kg, but even really chucking them about they're not budging.
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07/11/2020 : Added spinlockThreadTest.stl. This is a small cylinder with the spinlock thread cutout. Print this first to make sure it fits your bar/barbell before printing the full spinlock. Scale X&Y (thread diameter) dimensions up/down by a couple of percent until you get the fit you want, then apply the same scale factor when printing the spinlock itself.
I printed in TPU and used 2mm walls, top and bottom and they've come out really sturdy.
Sized for a slightly tight fit and with TPU being a bit tacky they stay put.
I made them as locking nuts for around metal spinlocks to stop them coming loose, but I've ended up using them on their own - I've only tried 20kg, but even really chucking them about they're not budging.
---
07/11/2020 : Added spinlockThreadTest.stl. This is a small cylinder with the spinlock thread cutout. Print this first to make sure it fits your bar/barbell before printing the full spinlock. Scale X&Y (thread diameter) dimensions up/down by a couple of percent until you get the fit you want, then apply the same scale factor when printing the spinlock itself.
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