converter for spindle

DECO CUE

DECO CUE

AzB Silver Member
Silver Member
I need someone to point me in the right direction to make this spindle work.I would like to run on 110V or 220v single phase or 3 phase. IMG_3956.jpg

IMG_3958.jpg

IMG_3959.jpg
 
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Tom

its only 300watt so the automation direct GS2 model on 110v will be extremely well suited and cheap. Super easy to set up

FYI, that appears to be a rebranded perske

GS2-11P0 drive

This particular drive would be perfectly suited for that spindle in that its approximately double the power of the motor. "thats the rule when sizing vfd's"

It may be wise to go ahead and buy a 1.5-2 hp drive in case that spindle turns out to be a terd with shot bearings. Then you can slip into an 800w chinese aircooled spindle for a couple hundred bucks and be good to go.
 
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LGSM3 said:
Tom

its only 300watt so the automation direct GS2 model on 110v will be extremely well suited and cheap. Super easy to set up

FYI, that appears to be a rebranded perske

GS2-11P0 drive

This particular drive would be perfectly suited for that spindle in that its approximately double the power of the motor. "thats the rule when sizing vfd's"

It may be wise to go ahead and buy a 1.5-2 hp drive in case that spindle turns out to be a terd with shot bearings. Then you can slip into an 800w chinese aircooled spindle for a couple hundred bucks and be good to go.
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I'm not sure the 2 to 1 sizing is correct. I've been running equal sized VFD's, some for more than 5 years, on machines without any problems. I've even done the taboo of using the oldest one as a "converter"(sending power through all the machines relays and switches) since day one. That being said, the small VFD's don't have much difference in price points.

Here is a good source. I've used them for my last couple and their prices and sales support are very good.

http://www.wolfautomation.com/Configure3.aspx?ProductID=23775&x=46&y=19
 
pescadoman said:
I'm not sure the 2 to 1 sizing is correct. I've been running equal sized VFD's, some for more than 5 years, on machines without any problems. I've even done the taboo of using the oldest one as a "converter"(sending power through all the machines relays and switches) since day one. That being said, the small VFD's don't have much difference in price points.

Here is a good source. I've used them for my last couple and their prices and sales support are very good.

http://www.wolfautomation.com/Configure3.aspx?ProductID=23775&x=46&y=19
Click to expand...

It might not be correct but its what appears to be preached by professionals as "best practice".

The rule concerning single to three phase is to size your vfd approximately double the current under maximum motor load. In this case HP/KW can almost always be substituted for load when doubling up.

I realize that you have probably successfully been getting by and its likely because your max load is upon startup of the motor which doesnt sound to be very significant. With machines that we use and the size of there motors, startup will likely be the only time we even get close to pushing the motors to the top of there current rating.
 
LGSM3 said:
It might not be correct but its what appears to be preached by professionals as "best practice".

The rule concerning single to three phase is to size your vfd approximately double the current under maximum motor load. In this case HP/KW can almost always be substituted for load when doubling up.

I realize that you have probably successfully been getting by and its likely because your max load is upon startup of the motor which doesnt sound to be very significant. With machines that we use and the size of there motors, startup will likely be the only time we even get close to pushing the motors to the top of there current rating.
Click to expand...

I worked on a dredge with 500hp AC motors that used VFD's I don't remember the drives being 1000hp. I assure you that the motor pulled plenty of amps, especially when it became fouled. There was constant monitoring of the load. Anyway it's interesting stuff..

I don't see the point of making a drive that says 10hp and selling it for a 5hp application. I DO know that 5hp single phase vfd's are DERATED 10hp units tho.
 
pescadoman said:
I worked on a dredge with 500hp AC motors that used VFD's I don't remember the drives being 1000hp. I assure you that the motor pulled plenty of amps, especially when it became fouled. There was constant monitoring of the load. Anyway it's interesting stuff..

I don't see the point of making a drive that says 10hp and selling it for a 5hp application. I DO know that 5hp single phase vfd's are DERATED 10hp units tho.
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Randy

there is no phase loss when running 3in/3out and thus properly sized vfd's with 3phase indput dont require cheating. 1 in 3 out draws twice as much current while producing equal or less than input voltage.

Kinda like 110v draws twice as much current as 220v on the same device.

I'm sure Jim (MC2) will chime in soon. He's a wizard at this stuff. I really only know what i've researched so theres a very good chance my knowledge is dangerous
 
LGSM3 said:
Randy

there is no phase loss when running 3in/3out and thus properly sized vfd's with 3phase indput dont require cheating. 1 in 3 out draws twice as much current while producing equal or less than input voltage.

Kinda like 110v draws twice as much current as 220v on the same device.

I'm sure Jim (MC2) will chime in soon. He's a wizard at this stuff. I really only know what i've researched so theres a very good chance my knowledge is dangerous
Click to expand...

That's why I was saying that single phase VFD's are derated. A 5hp single phase is a derated 10hp(3 phase I believe).

I miss Royce. Not just at times like these.... I just miss him..

Everytime a get stumped I ask myself "what would Royce do?"......
 
pescadoman said:
That's why I was saying that single phase VFD's are derated. A 5hp single phase is a derated 10hp(3 phase I believe).

I miss Royce. Not just at times like these.... I just miss him..

Everytime a get stumped I ask myself "what would Royce do?"......
Click to expand...

Yeah, me too.

but i know exactly what he would have done....he would have called Jim
 
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