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A project log for SMT50 pick-and-place

Describes my experiences buying, setting up, and using the SMT50 pick and place machine

tim-wilkinsonTim Wilkinson 11/17/2014 at 01:200 Comments

I had decided to install the pick and place machine in my basement for a number of reason. Primarily it didn't seem like the sort of thing which should be sat in my upstairs office, even if I had the space. Also, I'd read that for best accuracy the machine should be level and shouldn't move. Things with large stepper motors pushing around lumps of metal do tend to move around. I'm old enough to have witness ancient drum drives (ask you grandparents kids) which, with careful programming of data access patterns, could be persuaded to walk around a machine room. I reasoned that in my basement I could mount the thing on my house foundation which definitely won't move ... until the next earthquake anyway.

To install the machine, you need to remove the transportation brackets used to attach it to the packing crate, and attach the rubber feet.

As you can see, these are attached to the machine with a hex bolt. I'm not sure what size the head is (sorry) but it's a perfect fit for the Ikea hex tool. You probably have 50 or so of them around the house.

Once removed, the rubber feet should be attached. These come with the machine, and include the nuts and bolts to attach them. I'd expected these feet to be adjustable so you could use them to level the machine. However, they're not, and the bolts aren't long enough to do that job anyway. However, adjusting the feet still seemed like the best way to level. So, a quick trip to Home Depot (other home supply stores are available) later I'd bought a box of #10-32 screw nuts, various length flat headed #10-32 phillips screws, and a packet of appropriately sized washers. #10-32 is the same spec as the bolts that come with the machine.

I then placed a Level on top of the machine, and proceeded to make "pillars" with the feet, screws and nuts, such that when they were all attached, the top plate of the machine was completely level. Here's the tallest of the feet:

And here's a side view of the machine, mounted on my foundation, with all feet attached:

The one question about this arrangement, which I'll only know in time, is whether this levelling method keeps the machine stable enough for accurate placement.

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