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Clock Mainspring Winder — image 1
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Clock Mainspring Winder

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Clock repair mainspring winder for both loop end and hole end mainsprings. Combination of Ollie Baker and Joe Collins.

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Model information

Category
Tools
License
Creative Commons — Attribution — Noncommercial

I needed a mainspring winder that could be used with both loop end and hole end mainsprings.  This design is a combination of design elements from both the Ollie Baker style and the Joe Collins winders.  The winder is mostly 3D printed with additional metric and SAE hardware.  Model requires the use of let-down keys that can be purchased from a clock part supply house.  If you print and use this model it is at your own risk.  I assume no liability for fitness of use, damages, or injuries.

Print Information:

 PLA Meta filament

0.2 mm layer ht.

4 walls with15-20% gyroid infill

Most parts printed without supports.

Additional hardware and parts:  

6x30 mm M4 socket head screws, 8x25 mm M4 screws, 8 x 20mm M3 screws,1x 25mm M5 screw and nut, 2x ¼" -20 carriage bolts, 3x ¼"-20 wingnuts, 3 x 13mm nylon spacers, 1x 2.5 inch ¼"-20 bolt, 1 x 1.25 inch ¼"-20 bolt and nut, about 4 inches of ¾" x 1/8" steel, about 8 inches of 3/16" steel rod, and several #10-24 nuts.

Additionally, this design requires a set of let-down keys that can be purchased from a clock part supply house.

 

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