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Messages - psjflyer

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11
General Mach Discussion / Re: Newbie needs help
« on: March 06, 2009, 12:24:01 PM »
Cool I will do, I just came from the shop. All of the code is there,  but it is not being shown in the toolpath code window. When I scroll down it says that there are 6000 line, but it stops showing the code line at around line 4300, but when I goto the dia tab and open the code with the button and then it opens the notpad window all of the code is there.

I will post what you want.

12
General Mach Discussion / Re: Newbie needs help
« on: March 06, 2009, 11:15:04 AM »
M30? Please explain, remember Beginner here. When it laods the toolpath it is only part of the toolpath not the whole thing. On the office laptop it loads the whole toolpath... Very weird

13
General Mach Discussion / Re: Newbie needs help
« on: March 06, 2009, 10:58:35 AM »
No error messages that I can remember, I will look again when I get back to the shop computer. I will run what it grings up in the toolpath window. It is just part of the job???????

14
General Mach Discussion / Re: Newbie needs help
« on: March 06, 2009, 10:10:29 AM »
I have solved this problem. My z axis was locking up and when cut2d was wanting to move up 2.0" before the coming back down to the material. It was only moving up 1.0" and then when it came back down it was off by 3/4". I hope that made since.  Anyway it is solved and on to the next problem.  Here is what it is.


Ok, I have two computers with mach 3 and cut2d, both have of the softwares are trial versions, One is a laptop another is a desktop. This is the problem. When I load one of the trial version files in cut2d and capture the toothpaths and save it as a mach2/3 arch (.txt) file on the laptop it loads into Mach3 perfect When I do the samething on the shop desktop computer It only Loads one letter the "C" from the sample nameplate file "ROCKET" and some of the surrounding area.

15
General Mach Discussion / Newbie needs help
« on: March 04, 2009, 08:31:40 PM »
Ok, Her is one for all of the pros out there. I have just gotten into the cnc hobbie. I have a JGRO design and trial version of Mach 3 and trial version of Cut 2d. Here is the problem. I try out the wingspar in cut 2d. It cuts it out great but it always cuts too deep. I have tried to set it to like 1/16" deep and it still cuts to like 3/8". on the DRO's it shows it is cutting at 1/16". Z & X Axis are great. I have re calibrated the z with the axis calibration in Mach 3 and have all of that set. No matter what depth I put in it always goes it seems like to the same depth. Cut 2d will allow me to change the plunge depth, but it does not change when doing the job. First chips tonight and it was SO COOL.

Thanks for all of your help.

Gerald

16
General Mach Discussion / Re: Motor tuning
« on: March 03, 2009, 09:45:36 AM »
Brett, I want to thank you for your quick reply. Then I will have 800 steps per rev and not 4000? Why is it then I see numbers in the 25,000 range?  I know it has all to do with the tread pitch, but I did not think it would be that big of a difference. Brett, So I would change the 2000 rev per unit in the motor tuning section in the lower left coner to 800 rev per unit.  Just trying to make it as understandable as possible.

17
General Mach Discussion / Re: Motor tuning
« on: March 03, 2009, 09:41:31 AM »
Brett, I want to thank you for your q

18
General Mach Discussion / Re: Motor tuning
« on: March 03, 2009, 09:19:19 AM »
OK I think I found it. Please let me know if this is it.

2000 steps per rev for the motors.  1/2" 10 5 start 2 rev per unit. that means that I need 4000 revs per unit Right.

If I microstep it 1/2 that means that  4000 x 2 = 8000 steps per rev for the motor.

WOW that number seems low compared to some of the other numbers that I have seen I found one on here that had 25,000 for one rev. I think her was 1/8 microstepping. Please let me know If I have this or not.




19
General Mach Discussion / Motor tuning
« on: March 03, 2009, 09:11:19 AM »
Hello everyone, I have been building a JGRO design router. I have installed the Hobbycnc pro board, with the 305 oz Motors. I went with the acme 1/2" 10 5 start lead screws on all 3 axis. I am getting ready to do some tuning and testing in the coming days. I have looked high and low and tried to understand this tuning thing, but I have come to realize that I need HELP  ???. I have follwed the manual on calculating the leadscrew distance and tried to understand it.  I am trying to understand the revs per unit for my setup.

I am looking for the steps it will take for my setup.

lead screw 1/2" 10 5 start    1/10=0.1 x 5 = 0.5 this is my effective screw pitch right  ???

305 oz motors 200 steps per rev  I will be 1/2 microstepping   This is where I get lost.   PLEASE HELP...............

Thanks
Gerald

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