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MY1016Z2
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| Author | Message | ||
| Rickinglasgow (Rickinglasgow) Member Username: Rickinglasgow Post Number: 1 Registered: 3-2007 |
What is the outpur shaft type and dimensions on 24V 250W Geared 9.778:1 MY1016Z2 ? It appears to come fitted with a 9 tooth sprocket, what dims are the sprocket ? Also, what shaft is on 24V 200W Geared 203rpm MY7712NZ ? Or is it a "pass through" drive ? |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 420 Registered: 10-2004 |
Hi, The MY1016Z2 is fitted with a 9T sprocket which we believe to be 1/2" pitch. Our 1/2" pitch chain is not suitable, a narrower chain is required. We do not have a diameter for the output shaft, we have enquired but may end up physically checking ourselves. As for the MY7712NZ, if you click on the 'more images' button which can be found under the product description, you will find an engineering drawing of this motor. It has a 19mm OD and a 13mm ID and is pass through. Unable to send you a reply as you did not leave an Email address. |
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| john jolly (Jolly) Member Username: Jolly Post Number: 1 Registered: 10-2007 |
I am also interested in buying the 24V 250W Geared Motor MY1016Z2 (gearing 9.778:1). Have you been able to find the specification of the chain that the 9 tooth sprocket needs. Thanks John Jolly |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 596 Registered: 10-2004 |
John, Sorry but we have not made any further investigation into suitable chain mainly because we would not be able to supply matching width sprockets. It could be 084 which is a narrower chain than our 08B-1 but I would not feel happy in giving a guarantee without first trying a length of chain on the sprocket. |
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| john jolly (Jolly) Member Username: Jolly Post Number: 2 Registered: 10-2007 |
Thanks for the quick response. Is it straightforward to remove the sprocket? If it is can you suggest a replacement sprocket for use with your 1/2" chain. As an aside who buys this motor if there isn't a suitable chain? |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 598 Registered: 10-2004 |
Hello John, The motor sprocket can be easily removed as it is held on with a nut. Our customers include those simply replacing like for like in a motorised scooter or similar but the majority replace the sprocket with one from our own range. Using one of our own sprockets say a 3/8" pitch for this size motor, you would may need to drill out the sprocket to suit the motor shaft. You would also need a way to fix the sprocket on the shaft typically using a grub screw. The size of sprocket is really determined by the reduction ratio you are after if any. If you don't need any reduction, you need to make sure the sprockets are of the same number of teeth and can accomodate both the motor shaft diameter and axle diameter. Hope that makes sense, if not just let us know. |
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| john jolly (Jolly) Member Username: Jolly Post Number: 3 Registered: 10-2007 |
Thanks again for your helpful reply. Just 2 more questions. What is the shaft diameter, I can't make it out from the drawing. Is it 12.7mm or 7.95mm? How is the existing sprocket fixed to the shaft? |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 599 Registered: 10-2004 |
Hello John, No problem in answering your questions when ever we can. Unfortunately the drawings are not too clear. The shaft is keyed and is 10.85mm diameter x 8.5mm long. The shaft increases in diameter to 11.85mm for about 3mm as it enters the gearbox housing. The shaft has a screwed thread of about 9mm long to retain the sprocket. The supplied sprocket is keyed so is simply removed by undoing the lock nut and the sprocket will slide off. |
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| john jolly (Jolly) Member Username: Jolly Post Number: 4 Registered: 10-2007 |
I don't think my expertise is up to fitting a new sprocket so I will be reverting to using the ordinary MY1060 motor with gearing adapted from the the buggiesforfun website. Many thanks for your help John Jolly |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 601 Registered: 10-2004 |
Hi John, I quite understand. The fitted chain sprocket may be suitable for chain size 081 and not the 084 but still can't be certain. To fit one of our sprockets, drill out the boss to 11.85mm (15/32), drill and tap a grub screw hole to line up with the keyway and thats it. Sounds easy but unless you have the right tools at your disposal it's not. Whilst Technobots has the facilities to carry this out, we do not have the resource to do at this time. Good luck, buggiesforfun has some great designs and well worth following their design. |
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| john jolly (Jolly) Member Username: Jolly Post Number: 5 Registered: 10-2007 |
A final query!! In my search for bits on an American website I found what looks and seems to be a close relative of your motor MY1016Z2. It was numbered MY1018Z and had a gear ratio of 7.182 but otherwise looked to be one of your MY1016 family. A #35 chain was specified for it's 9 tooth sprocket. ASA-35 chain has a pitch of 0.375in which is narrower than your 1/2" chain (which I guess may be ASA-40). It therefor appears that it is likely that ASA-35 chain should be OK for your motor particularly since other MY motors used ASA-25/35/40 chain. Have you any comments John Jolly |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 605 Registered: 10-2004 |
Hi John, I'm not sure these sprockets are 0.375 pitch, we stock 3/8" pitch chain and I'm quite sure when I tried it, the pitch was too small. If you wish to purchase a motor and find it is not suitable, as long as you return it within 7 days in its original condition, you can get a full refund (less carriage). Might be worth a try. |
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