In my workshop I have always some Plywood or MDF leftovers after cutting from plates on CNC. It can be used later, but you have to store it. Those leftovers are usually big and I am a little bit "lazy" one guy to cut them manually. So I took some time and search web for an inspiration, and found one. Micro Table Saw was my inspiration. And this is how I build one myself:
I check my workshop, found needed parts in workshop and start to planing. I decide to use:
- metal cutter 50 mm diameter, 0.5 mm thick, 63 tooths
- motor from battery power drill (600 class)
- two bearings 19x4x6
- 10 mm thick aluminum to bearings housing
- M12 nut, 60 mm long for axis and mill holder
- timing pulleys and belt that I have from old project
- metal plate from computer RACK front cover
- some plastic for legs
- 60W transformer, 4 diodes, and 3 capacitors (from oder old project)
- PWM power regulator
First I made bearing housing and axis to mill holder. It was tricky part, because it have to be done in hi precision. I cut 4 housing for bearings, and choose two that was most identical. (later on it occurred that I had some backlash on my CNC). Axis was made on lathe and it was fun for me.
Next I took plate, drill all holes and assembly all stuff.
In the end I stick on some plastic venner to made table more slippery.
I have tested it and it look promising. I cut Plywood, MDF, PCB and 2 mm thick aluminum. But I have some findings in it:
- mill can be changed, and I will find some spare and with other tooth number
- motor have not enough power for me, I will look for bigger one
- must add a adjustable fence
In the end it is very helpful thing in workshop, and I will use it more often then I think.
Lucas
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