Search found 57 matches

by CNC_Machines
Wed May 27, 2020 5:21 pm
Forum: KMotionCNC, G Code Files, Offsets, Post Process
Topic: Live Tooling
Replies: 5
Views: 177

Re: Live Tooling

Thanks Moray, some of the challenges I have faced is changing the spindle back and forth between running as a spindle and a C axis. Optimally the C axis would be very stiff with zero backlash. When running as a spindle the high high RPM is the target. I have been looking for a company that makes two...
by CNC_Machines
Tue May 26, 2020 9:51 pm
Forum: KMotionCNC, G Code Files, Offsets, Post Process
Topic: Live Tooling
Replies: 5
Views: 177

Re: Live Tooling

Thanks Tom, I have a part chucked up in a lathe, with the spindle configured as the "C" axis where I can control the rotary position. I have an end mill on the X/Z saddle of the lathe so I can plunge it in and cut arcs in the face. I am not particularly familiar with lathes, I know G96 will keep the...
by CNC_Machines
Tue May 26, 2020 2:56 pm
Forum: KMotionCNC, G Code Files, Offsets, Post Process
Topic: Live Tooling
Replies: 5
Views: 177

Live Tooling

Greetings, I have a lathe controlled by KMotionCNC, and am wondering how to set up up the spindle with live tooling. Imagine cutting an arc with an end mill on the face of the spindle (C-Axis). How do you set up the feed rate for cutting that arc? Obviously the larger the radius the farther a given ...
by CNC_Machines
Tue May 19, 2020 8:48 pm
Forum: User Machines
Topic: Spray Robot
Replies: 26
Views: 2514

Re: Spray Robot

Tom,

Spray booth is built, looking at making several more of these robots. As far as installing this software on multiple computers, I do the normal install with drivers, and then just replace folder with my library instead of the one that installs with KMotionCNC?

Thanks,

Scott
by CNC_Machines
Thu Apr 16, 2020 11:10 pm
Forum: User Machines
Topic: Spray Robot
Replies: 26
Views: 2514

Re: Spray Robot

Tom, This looks great, I am getting very close. I am trying to understand your code a bit better. // adjust xy to be zero at neutral home position x = -x + L - S; y += R3; I can see why we would need this the first time through, but doesnt forcing the X/Y variables every cycle mess up the actual pos...
by CNC_Machines
Tue Apr 14, 2020 4:26 pm
Forum: User Machines
Topic: Spray Robot
Replies: 26
Views: 2514

Re: Spray Robot

Still working on this, here is an image for some additional clarity.
by CNC_Machines
Mon Apr 13, 2020 11:07 pm
Forum: User Machines
Topic: Spray Robot
Replies: 26
Views: 2514

Re: Spray Robot

Tom, All the hardware is here, and I have been building this robot but am having some problems. Here is what I have done so far 1. Made an INIT program and calibrated each servo motor 2. Made a homing program - homes to a hard stop, and then moves motor 1 to 0 degrees, and Motor 2 to 90 degrees This...
by CNC_Machines
Tue Apr 07, 2020 3:03 pm
Forum: Tuning Servos
Topic: CL Stepper - Error Correction
Replies: 6
Views: 278

Re: CL Stepper - Error Correction

Thanks Tom, makes sense. This is for my nonlinear kinematics spray robot. Parts are coming in this week to start the build. I will post some videos as soon as it is working.
by CNC_Machines
Mon Apr 06, 2020 9:48 pm
Forum: Tuning Servos
Topic: CL Stepper - Error Correction
Replies: 6
Views: 278

Re: CL Stepper - Error Correction

Great! That works exactly as I was hoping. I am trying to understand "error" in the max limits. Is this the correct way of thinking that it limits the magnitude of the following error which in turn will limit the magnitude of the "output" and "integrator" correction effort on the motor? Because that...
by CNC_Machines
Mon Apr 06, 2020 7:12 pm
Forum: Tuning Servos
Topic: CL Stepper - Error Correction
Replies: 6
Views: 278

Re: CL Stepper - Error Correction

Thanks Tom, No I am not using a KStep, and I am keeping the drives enabled. I am moving the motor, and then once it stops grabbing the shaft with pliers and forcing it to move. The measured position changes, the axis remains enabled, but it doesnt attempt to correct the motion.Please see the attache...