Noob looking for a little help with new stepper motors. I found some NEMA 17 steppers that seemed good for the price, if they are any good that is. 1.7amp 59Nm (84oz in) holding torque, $30 for 3 with free shipping from Amazon. So I bought 3 of them for my first Delta build (Kossel Mini).
The spec sheet that comes with them says Zyltech Engineering, a website that comes up searching the name Zyltech indicates they are a Houston Texas based engineering company.
Spec sheet says this about the motors:
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2 phase
1.8 step angle
5% step accuracy
59Nm Holding Torque
1.7A/phase rated current
82G-cm Rotor inertia
1.8 ohms Phase resistance
3.06 V rated Voltage
3.8 mH +-20% Inductance
100 MĪ©min (500V) Insulation resistance
Class B Insulation class
406g Weight
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Does that all seem correct for a 'normal' NEMA 17?
Has anyone used this company's products?
How can I test them to verify the product to help others decision making? I will be googling this and searching it as well, if it is a pain in the butt to answer don't worry about it. But I could find no posts through google on any forums about the company Zyltech so I thought I better raise my hand and ask about them... since I sorta took a gamble and bought them!
Here is the link:
Zyltech Steppers 3 for $30 on Amazon
Any info would be helpful, I am new to this. Thanks for reading