"New kit" BOM with sources

Questions, Suggestions, Tips, Etc

B17023 is just the "tire"

Postby bdring » Tue Jul 17, 2012 7:03 pm

Sort of the same

B17023 is the "tire"
B30041 is the whole assembly

FYI: You can use this page to find any drawing. Not all drawings have PDFs, STEPs or DXFs though.

It is linked off the first page of the wiki
Bart
"If you didn't build it, you will never own it."
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Re: "New kit" BOM with sources

Postby sports.racer » Tue Jul 17, 2012 10:04 pm

evokanivo wrote:This way I can avoid using dumpstercnc.com couplings (5mm x 1/4"), which are delrin. Maybe it makes no difference, but I would rather go with steel. Misumi's similar style clamps are ~$20 aluminum or $30 steel.


I've used the dumpstercnc couplings (1/4" x 1/2-10 acme) on a CNC router with zero problems. Bought 2 couplers (5mm x 6.35mm) on ebay for $8 with shipping. If they don't work out I'll get some from dumpstercnc.
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Re: "New kit" BOM with sources

Postby GiriPod » Wed Jul 18, 2012 8:33 pm

I think 1 more HFS5-2040-960 needs to be added to Misumi BOM.

The when I look at the D30025 BOM list, I see 2 HFS5-2040-960, in the new BOM, I'm only seeing 1.
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Re: "New kit" BOM with sources

Postby steppenshoe » Wed Jul 18, 2012 11:10 pm

There is an issue using the Dumpster delrin. I have used them several times and had to swtich out. The main probelm is they are temerature dependent.

If you are in a nice AC or heated space there are no issues. If the laser or CNC unit sits in a garage and you dont have it heated or AC you will have problems until they get to temperature. It's a common issue with them and many people I know have encountered it on their screw CNC machines.
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Re: "New kit" BOM with sources

Postby MasonAtom » Tue Jul 24, 2012 1:16 am

GiriPod wrote:I think 1 more HFS5-2040-960 needs to be added to Misumi BOM.

The when I look at the D30025 BOM list, I see 2 HFS5-2040-960, in the new BOM, I'm only seeing 1.


I was just going to point this out but you beat me to it.
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HFS5-2040-960 Qty?

Postby bdring » Tue Jul 24, 2012 2:28 am

Is this my BOM? I see (2) HFS5-2040-960
Bart
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Re: "New kit" BOM with sources

Postby SpacedCowboy » Tue Jul 24, 2012 5:44 am

No, this is mine. They're (rightly :) ) claiming I can't add up and pointing out that the correct number is in your BOM, and I'm missing one. Since I took all of the entries for mine from yours, it's probably a formula problem, and I haven't had a moment to fix it yet. I will do, soon.

Mea culpa,
Simon
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Re: "New kit" BOM with sources

Postby SpacedCowboy » Wed Jul 25, 2012 5:52 pm

Document revised to version 1.10, which now correctly lists the number of Misumi Extrusion 2040 960mm Lg pieces (HFS5-2040-960) to be 2.

Sorry if anyone ordered the wrong quantity :(

Simon
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Re: "New kit" BOM with sources

Postby GiriPod » Thu Jul 26, 2012 11:27 pm

A question to Bart about stepper motors for the 2.x laser.

The laser BOM lists the stepper motors as:
Stepper Motor NEMA17 5mm Dual Shaft 200 s/r

In the makerslide store, you have:
NEMA 17, 0.9°, Dual Shaft (400 Steps/rev) Hybrid stepping motor

Are they interchangeable? I plan to use a LO DSP and would hope I can configure it to the finer step size.

I want to buy as such as possible from the makerslide store for my 2.x laser build to support Bart.
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Re: "New kit" BOM with sources

Postby mattrsch » Fri Jul 27, 2012 12:28 am

I have the 400 step motors and they work great with the Light Object DSP
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