Power Hacksaw - Road to CNC

Why?

The why is a complex question, but the simple answer is that I needed a tool to cut steel in a precise way so I can build my CNC frame. The other answer is that I don’t mind having another tool around. This is a great way to do both while exercising my brain. Or what is left of it. 

How

3D printed parts of course. One does not keep a dog and bark one’s self. I used my machine as prototyping machine as well as a mini factory. Don’t you? You didn’t think 3d printing was all about downloading files and filling your house with dickbutts or yoda heads, did you?

Don’t you love it?

Shared?

Yes I did share this with the world, as always I included the sketchup files so people can redesign and adapt it for their own needs. I don’t ask for much, just give credit where it is due if you derived a design from my own. A tip in the jar is not a bad idea either. I have a link on the front page of my blog if you want to do that BTW.

Here you can download the source files -> https://www.youmagine.com/designs/power-hacksaw-3d-printed

Video.

BOM Metric

Bill of materials = BOM FYI

6x – 608 Roller skate bearings
2x -100mm 8mm all thread rod.
5x - M8 bolts.
1x - 40mm M8 bolt
2x – 6mm ID. 15mm OD bearing (had these laying around) find what you can, modify the files as necessary.
1x - 60mm shaft (matches the bearings)
12x - wood screws
1x plank of wood. Approx. 300mm x 450m
3x Spacer wood 2x4 is what I used. ~ 50mmx100mm
1x – Geared Globe Motors Model number 409A502
1x – 19v PSU
1x – 5A switch
1x – Ikea $7 table leg, or 50mmx50mmx400mm chunk of wood.

BOM Standard size.

For standard size, I still use metric bearings.
6x – 608 Roller skate bearings
2x - 5/16 all thread rod.
5x - 5/16 bolts.
1x – 2inch 5/16 bolt
2x – 6mm ID. 15mm OD bearing (had these laying around) find what you can, modify the files as necessary.
1x - 60mm shaft 6mm diameter (matches the bearings)
12x - wood screws
1x plank of wood. Approx. 12inch x 16inch
3x Spacer wood 2x4 is what I used.
1x – Geared Globe Motors Model number 409A502
1x – 19v PSU
1x – 5A switch
1x – Ikea $7 table leg, or 2x2x16 chunk of wood.

Bruno M.

Engineer, Tinkerer, Technologist, Maker.

New York

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