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Topics - drut

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1
General Mach Discussion / Heidenhain and fanuc
« on: October 15, 2008, 03:45:17 PM »
Hi All  can anyone give me any directions as to where i can find free training on  programming using  Heidenhain and fanuc

Thanks

Drut

2
General Mach Discussion / cnc bed not level
« on: September 24, 2008, 04:39:19 PM »
Hi All, can anyone help me with a problem i have with my cnc table, its not true (level) keeps moving. What i have been doing is putting a slave board on the bed and skimming it, its just mdf so i can just screw blocks into it to hold the piece im working on, is there anything out ther that i can link to mach 3 like a probe or somthing that automatically adjusts the hight of the tool to always stay true to the bed ??

Cheers

Brian 

3
General Mach Discussion / mitherin paid off
« on: May 18, 2008, 07:22:09 PM »
hi all, a few month ago i did quite a bit of mitherin on this site, thanks to the few people that replide to my questions, (and it was just a few) but ive mastered it now, so have a look at my web site,

www.conceptcarpentry.co.uk 

4
General Mach Discussion / engraving granite
« on: April 14, 2008, 04:17:40 PM »
hi all, could anyone give me any advise on how to engrave granite, i have my own home built cnc that i use for wood but i am really interested in trying my hand at granite but i havent a clue about tooling,

many thanks

drut

5
General Mach Discussion / leadscrew motor power
« on: January 15, 2008, 02:46:23 PM »
hi, i am using 16mm - 4mm pitch leadscrew with quite powerfull motors on my cnc, the x axis is 2000mm length, i do suffer from spindle whip if i run it at speed, so i have to have it running very slow, i can get some ballscrew 50mm - 14mm pitch, my question is, if the motors are running slow do i get more force out of them, ie bigger screw, higher pitch, slower motor speed, will ther be less chance of the motors struggling, and things can be speeded up a bit ??

many thanks

drut    ???

6
General Mach Discussion / e stop mind of its own
« on: December 12, 2007, 12:49:44 PM »
hi, just tried to set up my limit switch just on the y axis to make sure i get it right, i used the auto setup for inputs and it worked a treat, problem now is my e stop just comes on when it wants to . ive looked at the diagnostics page and no little yellow lights appear when my e stop lights up to say a limit switch has been triggered,the limit swiches are brand new ive tried a number of them and it still happens. anyone got any ideas what im doing wrong ????

many thanks

drut ???

7
General Mach Discussion / laptop
« on: September 20, 2007, 04:11:10 PM »
i have a laptop with no printer port do i just buy one of them things that change it from usb to printer thingy ??

 

8
General Mach Discussion / steps per rev
« on: September 11, 2007, 05:35:17 PM »
if i run my motors at 400 steps per rev they sound a bit rough, if i run them at 1600 will they sound smoother or will i damage them ?

9
General Mach Discussion / stepper motors drivers
« on: July 24, 2007, 07:28:15 AM »
could someone give me a bit of advice on stepper motors and drivers, i
have built a cnc router and i bought a complete kit of steppers and
drivers plus power supply off e bay, but the motors are not strong
enough, if i attempt to run them any quicker than a snails pace they
dont like it,and growl, the driver board is a 1 axis simplestep
(aliencnc.com) and it says maximum 30...@2.5 amps/phase motor output,
for use with stepper motors rated at 2.0 amps/ phase or higher. the
power supply is 24...@4.5 amp switching power. can anyone tell me the
strongest stepper motor that will run with these boards, the motors i
am using now are FL57STH76-2808B ones, or do i need to buy a more
powerful motor and driver/power supply.

many thanks
drut



10
General Mach Discussion / limit switches
« on: July 16, 2007, 04:17:43 PM »
ive, sorted the stepper motors,got it moving a treat, but could someone tell me how to connect the limit switches, ive tried a few things but nada, nothing stops my motors from moving, do i have to connect a wire from the switch to the motor driver then to the db25 connector or do i just connect the switch straight to the db25 connector,

many thanks

drut   

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