3D Printed Power Hacksaw

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This is a power hacksaw that will cut mostly anything. From wood to plastic to steel. I have also tested this with stainless steel. The videos below show it in action as well as show the component arrangement.

Step 1: Bill of Materials (BOM)

Bill of materials

BOM 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.

Step 2:

Download the files from youmagine -> https://www.youmagine.com/designs/power-hacksaw-3d-printed

3D Printing Instructions.

Settings.

.3mm layer height. ABS highly recommended.

The Rod and crank should be printed at 100% infill for strength.

The Remaining parts need 30% infill.

Step 3: Assembly Instructions.

When assembling the hack saw the bearings should be pressed into the plastic. This is the reason I recomended ABS as it does have some flex.

You should also debur all plastic parts before assembly. The rest of the parts can be seen. Use common sense.

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    3 Discussions

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    BeachsideHank

    2 years ago

    If you can, reverse the rotation, most saws of this type have a stroke count between 60- 80 S.P.M., and the cam or Pittman arm turns anti- clockwise. This may improve overall performance, but all in all an excellent build, fav'd and voted up.

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    tomatoskins

    2 years ago

    Very cool project! Not what I expected when I saw "Power Hacksaw". Thanks for sharing and welcome to the community!

    1 reply
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    engineerd3dtomatoskins

    Reply 2 years ago

    Thank you.

    I have been enjoying reading through instructables nearly daily for more than a year. time to give back eh?