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I'm going to do that Monday. I would like to know what's going on even though I am changing to a usb or ethernet solution.

Hi Andrew, thanks for the reply. Well K2 went under earlier this year or late last year. I am in the process of wiring an arduino for use with grbl. I hope I'm not opening a can of worms. :/

Thank you for the reply Andrew! I went to your link and it was very helpful. I also called K2 and talked to their tech support guy. He told me to adjust the pid as well. So I connect my scope to the...

I'm totally stuck in fixing my K2. Brief history of the machine. Purchased in '08 it was never put into service until earlier this year. It was purchased when K2 first started providing servo drives...

Hi Victor, As I said I did my cuts before reading Louies post. I have some changes I want to make to the feed. I want to do two passes and speed it up a little. I do not want to do this is 5...

Thanks Louie, I ended up doing a conservative 3 passes at 12krpm and 12ipm and it turned out well. I did that before I read your reply. I also think I can do it in 2 passes. I will try 12krpm and...

I found this calculator. I will try 8.2ipm yee effin ha...

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Ok I tried to find the information on feeds and speeds on google, but everyone wants to talk about chip load, or they start at 1/8" tool size, or the rpm too slow, or they want to sell you a...

So a new pc and upgrading to the latest version on Mach3 solved all the problems. I load the gcode with no changes and it moves properly.

Hi guys thanks for your replies.
It's good to know it is supposed to work. I had a problem with the computer so I replaced it with another. It's also running XP. I also downloaded the latest...

Hi Mactec, Yes in fact it will and did. What was happening is the machine was moving 1" for every unit it was interpreting as mm. The result is it tried to move the Z axis up to .8" which would have...

I changed it from mm to inches. I did it in two places. I don't understand why the g20 or g21 wouldn't just take care of this automatically. I read I was supposed to change steps per unit, velocity,...

I used the Mach2/3 ATC arc post processor so I could combine two toolpaths even though the machine does not have ATC.

Hiya, getting kinda frustrated. New k2 machine setup using provided profile. Display in inches works fine until I load aspire generated gcode. Very simply part, just cuts out a circle. After I load...

In case anyone else has a similar question, I heard back from Colombo. The fan is powered separately from the spindle. It is a 220vac fan. I need to dig in and see how K2 wired it.

Hiya,

I got this Colombo RS73 spindle in 2008 on a small K2 machine. Situation changed and it got put into climate controlled storage until recently. I have everything set up and I can turn the...

Well I finally found Welch bought Thomas and they repair them. I'm waiting to see the cost of repair. What are others using for a high vacuum pump? Would it be worth the trouble to make a reservoir...

I inherited these two vacuums and I'm trying to get one good one from the two. The one on the right was totally frozen. I suspect the surface rust has ruined it. The one on the left works, but it...

Vacuum mold the original part. Then fill that mold with plaster and use it as your mold. The spacing will be the thickness of the material used on the first mold. ;)

I inherited these two vacuums and I'm trying to get one good one from the two. The one on the right was totally frozen. I suspect the surface rust has ruined it. The one on the left works, but it...

My workshop- has seen many significant delays. But I am finally making a decision on my new laser. It's down to the Epilog Legend 36 EX 120w or the Universal Laser PLS6.150D. I have not gotten...

Getting ready to place my order for a new Universal Laser PLS6.150D with dual 75w heads for 150w, with a .005" spot at the surface. $40,000.00 Couldn't be happier...

I have no interest in cutting anything over 1/8" (3mm) so any laser version can be optimized to cut with as small a spot as .005"? I'm assuming that's maximum energy density.

I wonder why none of...

I have read that a laser tube is happiest when it is on and operating. If it's not used regularly it's not likely to last very long.

Nothing? Really? :I

There's also the issue of fume extraction. My super slow .005" kerf cut generates a tremendous amount of smoke. I would not want to attempt this with a fat kerf. So the true question here is what...

Hi Rodney thanks again for the feedback. I will tell you more about my situation. I am cutting 1/8" polycarbonate clean through. With my current setup, 45w head, air assist, 2" lens, I'm down to 1.8%...

Whoops I replied before I noticed your reply Rodney. I had already read your threads. I need to subscribe to that forum so I can see the pictures though. I am considering Shenui but I don't think...

It is fine for manufacturers to post here, but I was really looking for some state side people to chime in with good reviews of companies and products they have worked with. 80w isn't enough. I am...

I have owned a couple 45w universal lasers for years. I'm looking for something with some real power. I'm looking for good reviews for a laser capable of 100w to 200w range.

Also interested in...