SOLD.
Type: Posts; User: 109jb
No I don't. Sorry.
Here are some videos of the machine from various times in the past.
https://youtu.be/MxRA1i9OzPk
https://youtu.be/IGO47l62T2o
https://youtu.be/gvNwE6s-6bg
https://youtu.be/c1mxS7WI-tg
I've decided to sell the G0704 from this build thread. The classified posting is at this link
https://www.cnczone.com/forums/newly-posted-classifieds-listings/412050-cnc.html#post2411806
I have decided to sell my Grizzly G0704 that I converted to CNC a while back. I am selling because I have another CNC conversion almost complete and I no longer need this machine. I did use it...
Sure you can preload with oversize balls. If you have a drawer full of different sized oversize balls and want to load up a ballnut it will work. The oversize ball selection is critical and may...
Not sure where you are located, but you need to check code requirements. What you propose would not fly where I live. It would be considered a code violation regardless of whether it would work...
If the travel is from -180 to +180, why not just put one homing switch at -180?? There is nothing to say that a homing switch has to be a "0"
Simple:
https://assets.gates.com/content/dam/gates/home/resources/resource-library/catalogs/powergripdrivedesignmanual_17195_2014.pdf
Seems dumb to me to not run a new circuit if the service panel is directly above where the router is going. You'll spend more money on a "transfer switch" than you would just buying a CB and running...
I guess I don't see why the 3/4 boring bar holder isn't good enough. They are cheap too.
If you really want a collet holding it then why not an off the shelf MT3 AXA holder and a MT3 3/4" collet....
This is because my ballnut setup uses springs to force the ballnuts apart resulting in absolutely no backlash. The spring force is about 100-150 pounds driving them apart. On most double nut setups...
The difference between the PM and the G0752 are:
PM - DC motor
PM - Direct mount chuck
G0752 - VFD controlled 3 phase motor
G0752 - Threaded mount chuck
To me the VFD controlled motor is a...
The quantization error is quite simply the difference between the idealized programmed position and reality. Nothing more. Nothing less. Every microsteps has an ideal position. For example on a 1.8...
Not sure I fully understand your question, but this article qives a really good explanation of microstepping:
https://www.zaber.com/technical-articles/microstepping-tutorial
This is wrong. He has 16x microstepping which is 3200 microsteps per revolution. so, 16*200/14 = 3200/14mm = 228.5714. Exactly what he said he has it set for. I have never seen a stepper driver with...
That link is for calculating the force produced by an ACME screw. The OP has ballscrews which are much more efficient. Here is a calculator for ballscrews. For efficiency, a ballscrew is about 90%...
Rather than get regurgitated information, just go to one of the most repsected sources when it comes to steppers
https://www.geckodrive.com/support/step-motor-basics/accuracy-and-resolution.html
...
I have a ***ty internet connection every time I open my computer. A cellular LTE connection is faster and more reliable than what I have. I actually just got a LTE Hotspot because it is better and I...
He's talking about machine accuracy not servo/stepper accuracy. They are two different things.
OP. If I am reading right you are looking for 900 IPM on 10mm pitch screws with rotating nuts spun...
The DB9 is from the driver to the motor and will not have step and direction in those wires. It will have coil A and coil B wires for the stepper.
The G540 consists of a mother board and 4 G250x...
I don't see anywhere on either the AT or LMS sites where they show any torque curves or make any claims about constant torque. Where do you see this documented?
Also, nobody said anything about...
Are you specifically referring to the brushless DC motors like the one you linked? I mostly see those type brushless motors on machines that either previously came with brushed variable speed DC...
When you drill the head of a bolt off you gradually reduce the cross section that is still holding the tension. As you get closer and close to breaking through the tension will release gradually and...
In the document it looks to me as if he is turning the entire length on a taper, hence the boring head installed on the tailstock. That is one method for taper turning. If he is indeed turning on a...
That's from a screen grab of a YouTube video I found. They do look nice.
Just for reference, these are the bolts the OP is talking about
422902
Regardless, the bolt in question is recessed in a counterbore so you can't get an angle grinder on it to make a slot anyway.
It sounds as if the hex that the allen wrench fits into is what is stripped. If that is the case then the bolt will still be under terrific torque.
Never going to be able to loosen a madly torqued 12mm bolt with a screwdriver slot. If he has that kind of access then the absolute easiest way is to weld the shank of a bolt to the existing bolt and...