I Need To Tell You How Much I Hate The Consew Servo Motor...

[art23]

I realize this is an old thread, and I'm a newb. But maybe this will help someone else decide. I also have a Consew Servo Model CSM550 and like Ferg no problems. I went to a local Consew dealer to check it out and was not impressed. I could not start into leather at lower rpm settings below 1000. He tried setting it to 600 and 900 rpm for slow control but it wouldn't move. I found later that the trick is to set it to the machine max like 3000 and just use the pedal as if it had a clutch. There must be a pot associated with the pedal control and the knob only caps the max. So the torque with the pedal slightly depressed at 900 rpm is not able to move the needle. But the torque with the same small pedal movement with the rpm set to max is greatly multiplied. I plowed through 3/8 of various quality leathers making French seems slow enough to keep control. This is not an On/Off only pedal as the older ones seemed to be. The interesting thing is that no matter what max sped I set, I could move the needle at the same slow speed regardless. Of course lower RPM max requires lighter fabric. Hope that helps someone.

[art23]

I just got a consew csm550 how much horsepower is that? 550 watts,119v, single phase, freq 60hz, rpm 0-3450. I also got a consew 226 both for 400$ was it a good buy, a decent price? Or he pulled my leg? By the way no table. All I need the machine is for when sewing chaps (2 piece of 3oz suede) or when sewing wallets or cell phone cases. Will this servo motor work good at sewing slow. I have a cobra class 4 and love how it sews slow. Over all I feel excited to get them running but now I'm short 400$ :/

[JB52]

Hello All,

I'm a little late here, but I just bought a Consew CSM1000, and aside from the touchey foot pedal, I like it so far. I'm an electronics/mechanical tinker to be sure, and will be hacking at it until it works the way I want. Which also means that if I can get a schematic, or more informatin about the main control board (or at least those two extra plugs on the controller) that it may be feasible to make a 'hack' to get better front panel controls. My ultimate goal is to get PC control of speed and direction.

So to make a long story short.......does anyone know the Chinese manufacturer of these servo drives? Consew just re-brands them, and I'll try to get more information from Consew, but I'm a little pessimistic about that.

Thanks All, and Regards,

John

p.s. I've already had the thing all apart, and it would be an easy modification to have switches in the pedal control box to set pedal sensitivity. If anyone is interested, I'll prototype and document the mods.

[Trox]

Ho Hsing sells a reasonable priced servomotorer with needle position, the G60 series. This is a professional sewing machine motor made in Japan. You can get it for about 160 £ in the UK, so I guess it's not that expensive in the USA either. This motor has great low speed control and a needle position system that works. It's also possible to attach a Ho Hsing control box. You can attach all kinds of pneumatic or solenoids for foot lift, thread trimmers and so on. Ho Hsing is one of the best brands for professional sewing motors.

Tor

[JB52]

Thanks Tor!

I'll get logged on to HohSing and see if I can relate the consew CSM1000 to the correct Hohsing series.

I don't have the servo motor bolted on yet, but the bench tests are pretty promising. I paid only $120, but without the needle positioner......looking at this motor and drive, I think it's a really good value.

-Regards,

John

[Trox]

The Consew motor has nothing to do with the Ho Hsing brand. The Consew motors are made in China and are just the same as many other brands of Chinese motors. The Chinese have yet to brake the code on making good servo motors. They have plenty of watt and enough torque in the digital ones, but poor low speed control and no working needle position. (of course some are working as they should, this is general speaking) The Chinese sewing machines on the other hand has become very good. That's why I recommend a good Japanese low priced servo motor, the Ho Hsing G60 (600 watts servo motor with needle position and expand options). Then you will avoid these problems and have a proper support too.

To get any info about the Consew, go to http://www.consew.com/list/machine-stands/servo-motors

Good luck

Tor

[Trox]

You can also check with Gregg at Keystone http://www.mcssl.com/store/keysew/parts/industrial-sewing-machine-motors

He sells and knows the Consew brand.

Tor

[JB52]

Looking through Ho Hsing's models under products here: http://www.globalsew.com/en/en/sales-contacts-ho-hsing doesn't show anything which looks like the CSM1000. Of course the CSM1000 might be an OEM motor made to Consew's specs. One of the Ho Hsing motors looks like the CSM1000 motor, but none of the controllers are close. I think Consew is buying the motor from the same place as Ho Hsing, and the Consew controller is perhaps subcontracted. Who knows these days?

The control for the foot pedal is actually working pretty smoothly, the lever isn't meant to be run by hand and that's why I originally thought it was 'touchey'. There's a sort of hall effect sensor inside the foot control interface that feeds back approximately 0-5V to the servo amp. Far more reliable than a potentiometer there. And at least I can insert an interface to give me PC control of forward rotation speed. There are two 'extra' plugs, one is for the needs synchronizer, the other is still a mystery.

Here's a link to it: http://www.consew.com/View/Consew-Model-CSM1000 though the controller looks just slightly different somehow. I'll have to post a pic. If this rings a bell with anyone.....the origin of this controller.........please give a shout. Thank You,

JB52

[dikman]

JB52, have a look here....http://www.aliexpress.com/sewing-machine-servo-motor_reviews.html

Some of these look awfully similar to the Consew CSM-1000. I bought the 7th. one down, and after tweaking the parameters in the controller I don't have any issues with slow speed control. The "style" of the controller appears to vary with different models/manufacturers, but I would guess that the innards are the same.

edit: I just did a bit more looking, and this one looks almost identical to the Consew - http://www.aliexpress.com/item/500W-AC-110V-240V-brushless-Servo-motor-with-internal-needle-positioner-for-all-kinds-of-industry/1548752350.html

Edited October 7, 2015 by dikman

[dikman]

JB52, I forgot to mention that if you do any mods please post them here. Although I'm happy enough with mine, I'm an inveterate tinkerer and if you come up with something useful.......