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OPTIMIZED 7 Segment Mechanical Counter, Version 3 3D Printer File Image 1
OPTIMIZED 7 Segment Mechanical Counter, Version 3 3D Printer File Image 2
OPTIMIZED 7 Segment Mechanical Counter, Version 3 3D Printer File Thumbnail 1
OPTIMIZED 7 Segment Mechanical Counter, Version 3 3D Printer File Thumbnail 2

OPTIMIZED 7 Segment Mechanical Counter, Version 3

Ryan avatarRyan

October 20, 2024

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Description

This is a remix of the original creator's. It includes a new tab on the mid plate to prevent the rubber band from sliding and gumming up the mechanism.

 

2-Digit Version - https://makerworld.com/en/models/825857#profileId-769449

 

 

From the original description:

 

Version 3.0 of the 7-Segment mechanical counter. Improved design. This particular model is a sequential counter (numbers 0 - 9) that receives a linear input to cycle the display. This version was designed and prototyped using the Bambu Lab X1 Carbon.

New for v3.0:

  • Forward & Reverse Counting (by swapping springs/drums instillation in the mid-plate)
  • Cams A, B, & C now include guide discs to keep seg followers aligned
  • Segments & followers are now a single printed part (no glue required!)
  • Shape of D-Cam shafts improved to avoid printer corner bulging
  • Increased depth of numerous components to improve rigidity & surface contact area among interacting parts
  • Improved tolerances
  • Replaced push-action rubber band with coil springs
  • Lengthened pegs on push-action that engage the spring drums
  • Dedicated rubber band for D-segment
  • Pegs added to seg-plate to allow for equal distribution of force from rubber band

 

Quantities of each 3D printed component for a complete assembly:

(1) - BODY_v3.0

(1) - SEG_PLATE_v3.0

(1) - MID_PLATE_v3.1

(1) - BACK_PLATE_v3.0

(4) - SCREW_v3.0

(2) - SEG A_v3.0

(2) - SEG B_v3.0

(2) - SEG C_v3.0

(1) - SEG D_v3.0

(1) - CAM A1_v3.0

(1) - CAM A2_v3.0

(1) - CAM B1_v3.0

(1) - CAM B2_v3.0

(1) - CAM C1 _v3.0

(1) - CAM C2_v3.0

(1) - CAM D1_v3.0

(1) - CAM D2_v3.0

(1) - TIMING_GEAR_No1_v3.0

(1) - TIMING_GEAR_No2_v3.0

(1) - SPRING_v3.0

(1) - SPRING_R_v3.0

(1) - SPRING_DRUM_v3.0

(1) - SPRING_DRUM_R_v3.0

(1) - PUSH_ACTION_v3.1 (Updated 8/3/24, two options: coil springs (recommended) or rubber band)

(1) - PUSH_BUTTON_v3.0

 

Non-3D Printed Components:

(1) - Rubber band (recommended 2mm x 60mm, Size 16) - for D-segment

(1) - Rubber band (recommended 2mm x 100mm, Size 19) - for A, B, & C segments
(1) - Rubber band (recommended 3mm x 60mm, 2x Size 16)

 

General Settings:

Material: PLA
Layer Height: 0.2mm
Infill: 100%
Supports: No

Based on a 0.4mm nozzle

License:

BY-NC-SA

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