Olympic Weight Plate Peg for Power Rack - Horizontal Print, Layer-Optimised, M16 Thread, 5/8" Hole
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Olympic Weight Plate Peg for Power Rack - Horizontal Print, Layer-Optimised, M16 Thread, 5/8" Hole
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Indoor Sports
- Licencja
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Most 3D printed weight pegs are designed to look good on a print bed but fail in real use. They print vertically, which means once installed horizontally on your rack with plates hanging off them, you are loading directly against the layer lines. That is the weakest possible direction for an FDM print and is why they snap.
This design fixes that. Every component has a flat face and prints horizontally so the layer lines run along the length of the peg, parallel to the bending load. The geometry is also designed around the standard 5/8" (15.875mm) hole found on my power rack. I could edit this for alternative sizes on request.
How it works
The system is three parts:
Inner pole - slides into your rack's 5/8" hole. One end has an M16 thread that screws into the weight holder. The opposite end has 20mm of M16 thread for the screw cap.
Weight holder - 140mm of usable plate space, threaded internally at the base to receive the inner pole.
Screw cap - 20mm cap that threads onto the inner pole from outside the rack frame, locking everything flush and seamless.
For a 60mm rack frame the fit is exact with no modification needed. The inner pole extends 80mm outside the weight holder cavity and 135mm inside, giving a total pole length of 215mm.
Assembly
Slide the inner pole through your rack hole from the weight holder side
Screw the weight holder onto the M16 thread until snug
Thread the screw cap onto the exposed end from the outside of the rack frame
Tested and calculated load
Tested with 4 x 2.5kg plates (10kg) with no deformation. Based on PETG bending strength calculations at the pole cross section, theoretical maximum load is approximately 15-18kg. This rating applies only at the print settings below. Reducing wall count or infill will reduce strength significantly and is not recommended.
No liability is assumed for these values. Use at your own risk.
Required print settings - do not reduce these:
Material: PETG (If you opt to use PLA ot PLA+ then you will need to do your own testing!)
Layer height: 0.20mm
Wall loops: 6 minimum
Infill: 20% Gyroid minimum
Print orientation: flat as provided - do not rotate upright
Notes
This is designed for small plate storage, not as a primary loading peg for heavy lifting. Dynamic loading (dropping or throwing plates onto the peg) is not accounted for in the load rating.