i got a toshiba tb6560ahq of ebay and brought 4 stepper motors model number zapp.ltd sy60sth86-3009bf motors only run at 123 rpm 1/8 votage at 15v 19v or 24v still same rpm serial 1.5 amps 2.25 amps or pareral 3.5 amps still same speed change at 1/2 490 rpm
trying at get 1000rpm at 1/8 24v 1.5a
motor spec Step Angle1.8 DegStep Angle Accuracy5% (full step, no load) Resistance Accuracy 10%Inductance Accuracy20%Temperature Rise80OCMax.(rated current,2 phase on)Ambient Temperature-20OC~+50OCInsulation Resistance100M Min. ,500VDC Dielectric Strength500VAC for one minute Shaft Radial Play0.02Max. (450 g-load) Shaft Axial Play0.08Max. (450 g-load) Max. radial force75N (20mm from the flange) Max. axial force15NRotationCW( See from Front Flange)
can anyone help thanks, phil
1000RPM may be a bit difficult for steppers - especially at those voltages and currents.
I'm getting around 720RPM out of 4.2A at ~100V (not sure exactly what the voltage is, but I'm supplying 110VAC). However, that is with load, so you might be able to get a bit faster without any load.
Not that you'd only run it without load
is there anyway i can increse my rpm without going at 1/2 from 1/8 my chip set only do 36v and i have only got 24v laptop psu 120w thanks
1000rpm = 3333 full-steps/sec... never going to happen at 24v, you simply don't have enough volts to drive enough current through the windings to acheive that pulse rate... max rate at 24v is about 2000full-steps/sec = 600rpm unloaded, less at full load.
To get the rate you want you need at least 50v and preferably 60v drivers. And in any case your power supply is probably going into current limit if its only 120W so limiting the performance even more. Those motors are rated at 4.2A, your drivers can do 3A max so you are never going to get close to the motor's capabilities.
it has hi torque at low speeds is it possable to use a bike chain driven system to operate x,y for a router.
But first you have to ask, why do you need such high revs?
i got access to old scraped cars
so i could use car timing belts and pulleys as im building my mashine 1m square as i will be using for making signs
So why do you need the speed?
And what sort of signs are you making? Vinyl cutting, or milling/routing?
I'm guessing you need 1000rpm becasue you have 1 or 2mm pitch leadscrew? Remember if you gear it up for faster revs you will lose torque which will affect the depth of cut you can reliably/cleanly achieve. So you might go faster, but need 2 or more passes... so no faster overall....
On a 1m square machine, how are you stopping the Y-gantry crabbing? are you having 2 leadscrews, one each side?
Ahh - missed the bit where you said "Routing".
Something scares me about using old car bits - mounting them to the motors could be difficult (unless you happen to have some pulleys the same hole size, or can be bored out).
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