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Old 04-10-2019, 06:48 AM
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Default Need help with this gear motor idea for bead roller

I found this on eBay and was wondering if any you guys that know about electrical and rotation ratios gear motor stuff I want to use this on my bead roller am looking for a reasonable way to do this without paying some ridiculous ass price for a motor conversion and without really having to use 12V build a bunch this is an area where I am just not so sure of my self with stuff like this

in the link it gives u your options for the speed I assume is an adjustable speed of the times it will rotate and how many watts of motor you want but not sure about the torque of this thing to turn the bead roller...

So I need some help with this as the price is sort of right.


https://www.ebay.com/itm/AC220V-60-9...S_rVkXLf5mX8oA
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Old 04-10-2019, 07:53 AM
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I use a similar motor on mine, though single speed. Not sure how many amp motor it is. Also, I drive it with a chain and two sprockets. This allowed me to be able to change the drive speed if needed. IIRC you are shooting for about 20rpm.
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Old 04-10-2019, 08:01 AM
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This thread shows how I did mine. Not a great how to thread, but it will give you the idea. I also made a foot switch and put a reversing switch on it.

https://www.shopfloortalk.com/forums...ht=Bead+roller
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Old 04-10-2019, 08:38 AM
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On the motors I linked to on eBay what would be the right wat and speed for my bead roller 220v is power but it says the option of 60w or 120w and 7.7rpm up to 750rpm which one would I need as I assume the wat would be HP
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Old 04-10-2019, 10:40 AM
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60W is less than 1/10 HP, 120W is about .16 HP so I'd go with the latter. Our bead roller isn't powered so I don't know how much actual HP it would take but it can require quite a bit of force if you have it turned down fairly tight in thicker material. You've got significant reduction in that gearbox so you should be all right...
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Old 04-10-2019, 11:53 AM
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Quote:
Originally Posted by LKeithR View Post
60W is less than 1/10 HP, 120W is about .16 HP so I'd go with the latter. Our bead roller isn't powered so I don't know how much actual HP it would take but it can require quite a bit of force if you have it turned down fairly tight in thicker material. You've got significant reduction in that gearbox so you should be all right...
so the 120w will be the better one to go with I wonder what the torque is going to be or how much will be needed
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Old 04-10-2019, 12:24 PM
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https://www.convertunits.com/from/kg...ot-pound+force

200 kg/cm is ONLY a little under 14.5 foot pounds - so imagine pulling 14 pounds on a 1 foot long lever, and ask yourself if that sounds anywhere NEAR enough (taking keith's comments into consideration) - Then, add the $70 shipping into things and it becomes a probably expensive CRAPSHOOT -

My 50" slip roll has a ring roller on one end, power is a 1 horse (1000 actual Watts) motor with probably 4:1 belt reduction into a 170:1 GEAR reduction, which drives ANOTHER #70 CHAIN (about 2.5:1 reduction) - I may be a bit off, the rolls turn about 3 rpm with a 3450rpm motor -

Granted, that is a SLIP roll with a "freebie" ring roller add-on, and granted that it can roll 1/4" plate 24" wide without a noticeable slow-down, but I still think that ebay gear motor might be "under-whelming", especially for $200 incl. shipping (for the 120 watt 7.5rpm with speed control)

One way to find out, if your roller is far enough along to put a small pipe wrench on - see if less than 14 pound pull on a 12" wrench will git-r-done... Steve
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Old 04-10-2019, 12:53 PM
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Here are the specs I found for one factory conversion kit id like something gear motor wise to be same or a bit torquier I just don't know much on searching eBay for this and not opposed to a used motor either

Motor: 1/6 HP 1.65 Amp
Gear Reduction: 75:1
Toggle Switch: 3 Position
Infinite Speed Adjustment: 0 – 20 RPM (11.8FPM)
Speed Control Knob: Infinitely Variable
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Old 04-10-2019, 02:39 PM
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Why don’t you adapt a HF portable pipe threader to drive your roller. No lack of torque with that unit.
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Old 04-10-2019, 03:22 PM
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As best I recall, I used a beam type torque wrench as a roller handle to determine the torque needed.
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