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10mm Bore Mod 2 Gear

Created 1 months ago

Workshop & Toolsspur-gearmod-210mm-borepower-transmission20-teeth
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Description

Standard Mod 2 spur gear, cut with 20 teeth and a straight 10 mm center bore. Designed for 20 mm face-width mesh engagements.

Check your shaft diameter before sending this to the plate. If it is going onto a nominal 10 mm steel shaft, a dead 10 mm printed bore will bind on press-fit; you will need to ream it or step the bore up to 10.3 mm to get a slip fit.

  • Standard: Module 2 (Mod 2)
  • Face Width: 20 mm
  • Tooth Count: 20
  • Center Bore: 10.0 mm (straight, no keyway)
  • Pitch Diameter: 40.0 mm
  • Outer Diameter: 44.0 mm

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SpoolScope — Filament Remaining Gauge

SpoolScope — Filament Remaining Gauge

SpoolScope is a two-part gauge for estimating how much filament remains on a standard spool, made for spools that sit out of easy view in an AMS or on a shelf. The rail hooks over the flange rim; the sliding block rides on it with light detents, so you can push it down until it touches the filament, lift the gauge away and read the result. Raised ticks and numbers plus an unambiguous arrow on the block make the measurement clear without needing line-of-sight while the gauge is in place. Features Two printed parts: a rail with a rim hook, and a detented sliding block. Gram scale from 0 to 1000 g, with ticks every 50 g and numbers every 100 g. Ticks follow filament geometry rather than an even spacing: closer together near full, wider apart near empty. Arrows on the block tip directly toward the scale, and the detents hold the reading after the gauge is lifted off. Hook gap of 4 mm, sized to clear flanges from 2.8 mm to 3.6 mm thick. Dimensions Flange diameter: 200 mm. Hub outer diameter: 95 mm (from a measured Polymaker spool). Full-roll diameter: 170 mm (estimated from a 1 kg PLA roll on a 95 mm hub and a 65.6 mm spool width). Hook gap: 4 mm. Fitting and calibration Sized around Polymaker and Inland 1 kg spools; other brands are worth checking against the hub and flange figures above. The scale can be shifted by a single fixed offset if a first print reads consistently high or low, so a weight check against a known spool is worth doing before trusting the numbers. If the error differs between a full and an empty spool, the hub and full-roll values are the ones to correct. Print notes Both parts are laid out flat on the print plate. The block contacts the filament at its outer edges rather than at the centre, so a reading can sit slightly high; a weight check against a known spool is the best way to confirm the scale.

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