高频1×30削刀手指南

HF_1x30_Sharpener_Guide

2024-04-20 03:38:48

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Summary

This is an attachment for a commonly sold knife sharpening angle guide as used on a 1x30 belt sander (Harbor Freight/WEN/Grizzly etc).

It was primarily designed for a guide designed to sharpen as the belt moves INTO the blade (which would go on the side opposite the cover for a Harbor Freight sander). However, a version was also supplied for a guide where the belt moves AWAY. You will want to print the version that applies to your guide which is still used as the base for this.

This aims to correct certain issues I had with the guide I purchased. Primarily:

allows the guide to be closer to the belt than the stock guide
allows the belt to be removed without removing the guide itself
allows both edge leading and edge trailing on the same guide
has cutouts for a bolster to allow you to get closer to the belt
allows easy removal from base without having to unscrew completely

Place a spacer of your desired thickness (ie credit card) between sanding belt and this guide to ensure it is flat to the platen and the amount of space you desire.
This object was made in Tinkercad and found here: https://www.tinkercad.com/things/dXXcInkfw0b

This is fixed at a 17degree angle, however other angles should be able to be recreated easily as necessary. I used a random online calculator for the math where the two angles were known to be 17 and my base length was fixed at 60mm. This gave the calculated height for the roof object that I used.

I used a fixed base length

known:
Side c = 60
Angle ∠A = 17° = 0.29671 rad
Angle ∠B = 17° = 0.29671 rad

Calculated:
Side a = 31.37075
Side b = 31.37075
Angle ∠C = 146° = 2.54818 rad
Height hc = 9.17192

https://www.calculator.net/triangle-calculator.html?vc=&vx=&vy=&va=17&vz=60&vb=17&angleunits=d&x=Calculate

Print Settings

Rafts:
No
Supports:
Yes
Infill:
100
Notes:
I originally had this in two pieces and glued together so they could both print flat, but liked the final result of my combined pieces better. I did have to print with support though due to the large overhang.. which did for me leave a little stray supports needing to be cleaned up. that would probably vary by your printer calibration etc. I put the flat side piece on the platform and printed up from there.