Adventures in 18650 Battery tab welding

close-up-zeva

Why do we need battery tab welding? In the last few years, a lot of electric bike batteries & telsa cars if I’m not mistaken use 18650 sized lipo cells. 18650 cells weigh about 50g each and can hold anywhere up to and maybe a bit north of 13Wh per cell. Many ...

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CNC Conversion – The milling table

nor

Well it’s been a few days of work, but the milling table is taking shape. The first step was to take it to a shop and have the surface re-ground parallel to the dove tails. First to remind you of the before state of the milling table. After grinding, it ...

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CNC conversion – The mill base

dav

My first thoughts were that the base  of the mill would have ground flat surfaces. That may be true but it’s not relevant. This all unfolded as a mystery, but in hind sight I  can simply the story. When I unbolted the mill base from the stand, the two pieces were ...

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Quick Change Tool Post Handle

dav

The quick change tool post came with a nut to set the angle of the tool post. I didn't like having to reach for a wrench every time I wanted to change the angle of the tool post. I turned up a nut, drilled and tapped a hole and put ...

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Installing a Quick Change Toolpost

dav

I got a new lathe and it didn’t come with the kind of quick change toolpost I like. To be fair it’s much better than the rocker type, but still, not state of the art. I ordered a quick change toolpost set and was pretty please when it arrived. The ...

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CNC Conversion – Project Dreams

mde

About a year ago, I was walking around and saw this mill sitting around. I inquired about it and was told it used to be used for some kind of plaster mold making. It was covered in oil, plaster & dirt. The screws don’t turn, the bed is certainly not ...

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Long Absense

Silhouette of a man in a business suit giving a shrug with a question mark

It’s been the better part of a year since I’ve made a post. The site changed servers, was down for a few months (all links broken due to apache config mistake of mine) and I’ve been a bit busy. I have however been continuing to make things and I hope ...

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Time for another Ebike. An EEBike maybe?

dav

I guess this is the fifth Ebike I’ve built. I made a couple for my parents, but they were unimpressive. Don’t get me wrong, they were both functional, decent looking and competitive with regards to what was available. Also it’s important to keep in mind my hands were tied. The ...

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My old reliable Ebike

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For the last few years, an ebike has been my primary means of transportation. I use it to get to work, to go shopping and to just generally get around. I can zip through traffic and park just about anywhere. The rules about ebikes are not strictly enforced, so you ...

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