Mechanical Life Counter - M3 Hardware
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Mechanical Life Counter. Uses M3 hardware. Two types available: with and without stand.
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Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Toys & Games
- Licencja
- Creative Commons — Attribution — Noncommercial
Types
Type 1:
Stand. Ring gear access from top.
- Body - Top
- Body - Bottom
Type 2:
No stand. Ring gear access from top and bottom.
- Body 2 - Top
- Body 2 - Bottom
Gears:
Universal. Work with both the above versions.
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Hardware
- 1x M3 x 16mm Button Head screw
- 1x M3 x 10mm Button Head screw (8mm will also work here)
- 1x M3 Nut
- 1x M3 Nylock Nut
- 1x M3 Washer (7mm outer diameter, 0.6mm thickness)
If you are in Australia, I get my hardware here: https://www.thefastenerfactory.com.au/
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Printing
- Nozzle: 0.25 mm
- Quality: 0.15 mm
- First layer height: 0.2 mm
- Perimeters: 3
- Infill Density: 10%
- Supports: Yes
- Overhang Threshold: 10°
- Support on build plate only: Yes
- Brim: Not required
- Material: PLA
- Colour Change Layer: 0.35 mm
Important: For the model to work it must be printed at the 0.15 mm resolution.
Additional print settings can be found in the attached file: ‘MLC PrusaSlicer Print Settings.txt’
Recommended Print Layout:
- Planet gear oriented with 8 teeth on print bed (chamfered edge facing up),
- Sun & Ring gears oriented with numbers facing print bed.
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Assembly
- Start with the base part (i.e., Body - Bottom),
- Place the M3 Nut in the slot on the base,
- From the back of the base screw the M3 x 10 mm Button Head screw into the M3 Nut (avoid overtightening),
- Place the Planet gear on the extruding screw thread (8 teeth with chamfer facing down),
- Place the Ring gear on the base,
- Try to align a number with where the view slot will be.
- Place the Sun gear on the base,
- Again, try to align a number with where the view slot will be.
- Place and align the M3 Washer over the hole on the Sun gear,
- Place the top (i.e., Body - Top) onto the base (Don't snap it in just yet),
- From the top screw the M3 x 16 mm Button Head screw into the base,
- Now snap the base and top pieces together (Note that some force may be needed),
- Place the M3 Nylock Nut in the slot on the back of the base and screw the M3 x 16 mm Button Head screw into it (go until just tight then rotate back (i.e., counterclockwise) a quarter turn).
Note: the number divider is a purely aesthetic design inclusion and can be removed via the use of flush cutters.
Warning: disassembling the top and bottom pieces can weaken the snap-fit joint. Do only if absolutely necessary by removing the M3 x 16 mm Button Head screw and gently squeezing the sides of the base while pulling the top.
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Design File available in OnShape
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Changelog
- 07/02/2024
- Change: New design added.
- 12/02/2024
- Changes: Updated Base (V1.1) and Ring Gear (V1.1) with new tolerances. Added .step files for gears.
- 13/02/2024
- Changes: Fixed issue with Ring Gear (V1.2).
- 17/03/2024
- Changes: Optimised version added (V2.0). Extensively tested by myself and JediRick. New version without stand added.
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If you find any issues or have any recommendations on how to improve the design, don't hesitate to leave a comment.