Can anybody please give me any info about sanyo CP-056 960617135 stepper motor...??

Question

can anybody give me any info about the above mentioned stepper motor??
what are its volt ampere ratings..
and whether it is a unipolar or bipolar stepper motor?
moreover how can we determine whether a given stepper motor is a unipolar or bipolar one by seeing the terminals or by any other means instead of putting the motor on the circuit...

Answer 1

I wasn't going to respond as I haven't messed much w/steppers in awhile, but I see it's been 40 minutes and you still have no responses, so.....

If it's 5-wire, I would guess it's a 4-phase unipolar. All references to bipolar steppers that I can recall had no more than 4 wires, both ends of 2 coils, whereas unipolars had at least 5. The way to tell the diff would be to ohm out all possible pairs. Bipolars will have only pairs of wires connected, whereas unipolars will have groups of 3, with the third being a center tap. You should be able to tell which are center taps and which are ends if you have a good ohmmeter capable of resolving hundredths of an ohm for large motors; tenths of an ohm should be good enough for small motors.

I googled your motor, couldn't find it in the brief time I spent, tho maybe if you dig you can find the data sheet for it. I'd guess 5 volts should be safe, and if it doesn't run hot there, you could step the voltage up a bit if you need more torque or higher speed. They are generally designed to run kinda hot at their rated voltage. Last time I had to do a stepper project involved 2 very large steppers for a large telescope drive, and I remember needing to run them not only at their full rated voltage, but also adding some capacitance supplied via a current limited source so that there would be about a 40-volt spike to really kickstart the step.

Hope this helps, steppers are kinda fun to mess with. You can click on my name and email me if you have any other questions.

Best wishes.

PS- yes, I went to Sanyo's site, saw the same page, but no hits on the specific motor

Answer 2

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Answer 3

I located this site for you:

http://www.sanyo.com/industrial/micro_motors/press_releases_detail.cfm?pressReleaseID=33

PRESS RELEASES

SANYO INTRODUCES HIGH VOLUME, HIGH QUALITY DC MICRO MOTORS FEATURING IN-TIME DELIVERY AT LOW COST

Date: 05/21/2004


Bensenville, ILLINOIS: SANYO DC Micro Motor Division is introducing their new line of high quality DC micro motors for high volume, low cost applications. Products include standard and custom stepper, brushless, precious metal brush, geared and vibration type micro motors. Options feature SMD mounting and a wide range of connection choices. Applications include camera lens movement, robotics, cell phones, gaming, power tools, locks, biometrics scanning, medical dosing, dispensing equipment, vending, CD-DVD players and recorders, printers, etc. The smallest motor assembly is Ø 3.6 mm x 8 mm. SANYO offers an extensive standard model product range in OEM quantities starting from 10,000 units.

SANYO Stepper motor types are ultra-compact in size and feature high torque and precise step-angle. Sizes range Ø 6-42mm. SANYO Vibrator motor types are also ultra compact and feature high torque. Sizes range Ø 3.6-6mm. SANYO Brush motor types are compact and feature high reliability, long life and low cost. Sizes range Ø 4-34mm. SANYO Brushless motors are silent and feature high efficiency. Sizes range Ø 19-60mm.

For manufacturers producing high volume, highly specialized applications, custom designs are available. Examples include:

• Ø 4mm x 6mm motors with unique surface mount configuration, fitted with a gear or cam for possible use in micro fluid transporting applications.

• Small gear motors serving as replacements for solenoids, offering constant power stroke and better environmental resistance.

For complete details and product selection assistance, please contact SANYO DC Micro Motor Division at:

SANYO Sales & Supply Company

1062 Thorndale Avenue

Bensenville, IL 60106

Tel: [phone]

Fax: [phone]

Email: [e-mail]

Web: http://www.sanyo.com/industrial/micro_motors

Best to you,

Mav