Yes, Mitch is correct... when you use the vfd to slow down the motor it will lose low end torque. So, if you were to slow it down quite q bit you should change the belt to a lower seed also if you need the low end torque. It is only needed if your doing something that will require alot of power when turning slowly, like knurling, etc. Normally you can just use the vfd especially if your not changing speeds from the high end to the low end. All depends on how much power your going to need when slowing down the motor.
Changing the belt on a G0602 or G0752 just requires opening the side cover, loosening the pressure roller and change the belt position... Not much really but when all you have to do is turn a knob for most things it is a difference. I use the vfd most of the time only, like I say unless I need the higher torque at a lower speed.
Of course if you want to change the tpi then you have to change a gear also... that takes a bit more time and learning which gear to change. But, how often will you make threads? I think just once in a while for most people. Probably realistically you will just use a made screw for most things unless a special part needs threads.
Changing the belt on a G0602 or G0752 just requires opening the side cover, loosening the pressure roller and change the belt position... Not much really but when all you have to do is turn a knob for most things it is a difference. I use the vfd most of the time only, like I say unless I need the higher torque at a lower speed.
Of course if you want to change the tpi then you have to change a gear also... that takes a bit more time and learning which gear to change. But, how often will you make threads? I think just once in a while for most people. Probably realistically you will just use a made screw for most things unless a special part needs threads.
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