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  1. #21
    You could​ probably get a lot more torque on low rpm by using proper vector vfd. I dont know if chinese make any, oh and I have seen limit for vector use of vfd on max 200hz, so its worth checking into that before you spend bunch of money. BTW vector vfd is usualy more complicated to parameter properly, but with WC spindle you should have plenty of torque on low rpm. all of this is without hands on on chinese spindle so I take no responsibility for bad advice

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  3. #22
    correction, you would need sensorless vector vfd

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  4. #23 My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

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