After buying my machines 3 years ago sorry not from J-cut, can i offer a suggestion:
before purchasing ask them for *.pdf's schematics of everything you can get hold off.
after having a few problems on my machine i had wished that i had done so.
Such as anything to do with breaking down the spindle motor, this information would be a gold mine as repairs on a spindle motor seem to me to be think of a number and double it. or but a new one.
You could but i doubt you'd get it, ask them for thier suppliers info or as soon as you get your machine write all the info on the controllers and motors down.
vacuum bed equipment etc, you may need it quickly..for those who have a machine which has never had a problem .."give over your avin a laugh" nobody can be that lucky
Inches per minute? as in cutting more than 2 inches per second?
That is very fast in my experience, 50 IPM is about the max of my machine without any wobble on fast X/Y axis changes... above that is just too much momentum to reverse quickly.
It's rumoured that everytime someone buys a TB6560 based board, an engineer cries!
I would love to see it happen in person. Because I don't think the machine would cut accurately , let alone last the entire program without missing steps or falling apart.
1300 ipm cutting is crazy fast for a machine like this.
1300IPM on my 6090 would be like 130,000RPM on my Honda...
"http://www.youtube.com/watch?v=YndmWTSLVxE&feature=fvwrel"]Heres 1200IPM - for an idea of the speed we talkin
I have my rapids set at about 1,000IPM, the highest I have ever cut was around 100 IPM on plastic. But for cutting a shape with quick X-axis reverses (like a bunch of the letter "E"), I have to slow it down... chinese gantry just not built strong enough.
I think you might want servo's for high speeds like that? Steppers have lots of torque, great at tearing up weak joints.
Little did i realise when i was a kid making my boggies, i would be using that same expertise in repairing my supa dupa cnc router, i wonder if there is a certificate for repairing such routers