Siemens Original Reducer
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- Q: I want to make a Brush-less DC motor that goes 1720 Rotations Per Minute while carrying a 70 kilograms load on it. The motor must be 50mm in diameter and about 15mm in width.How do I go about making that and what kind of specifications must a battery have, to be able to run this for 1-2 hours?Thank you in advance! :)
- your question is unclear, it has no mention of work or energy. you can have motor of that size running at that speed and moving 70kg load if the motion is sufficiently slow, say 1meter per minute. this can easily run on batteries for couple of hours. but if you are looking for a motor to power electric bike for example, you will notice that this is hopelessly undersized. better way is to ask questions in terms of real work, for example pump x volume of water per hour to elevation of y meters or provide power for electric bike where total weight is 90kg, travel speed is 40km/h and expected one charge commute distance is 70km.
- Q: OK so yesterday I salvaged the pump motor from a vacuum cleaner (actually it looks like a jet engine, if you look inside it it has slanted fins). Now I'm not completely clueless with electrical stuff, but I believe I should power this with an AC supply, like the outlet. Is this true? I have a converted old PC power supply to take power from the outlet and use it into small electronics projects, but I guess I can't use it!The thing is, I might want to build something portable with it. So how can I power the motor without using the outlet?Thank you!
- this is a powerful motor. You can get an auto battery and then connect an inverter to it that converts 12 VDC to 120 VAC. Lots of weight needed. PS, re other answer, most all AC motors will NOT operate on DC.
- Q: What is the problem with my ac, my condenser fan motor will not turn but the compressor comes on?
- in this occasion a photograph may well be well worth it. we are going to say you have the fan under pressure in wisely because of the fact it does come on and run (i desire that is working off the run windings and not the commencing up windings). yet I nevertheless think of you have one capacitor to many. What i might take an amp examining on the compressor at initiate. in case you get no longer something. turn the potential OFF TO THE UNIT. Then take the right off the condenser and make optimistic a twine hasn't burned itself off the compressor. If it has reattach twine. If no longer you will might desire to determine the capacitors. The old one on perfect if it has 3 terminal blocks might desire to be marked C = common Herm = compressor Fan = Fan stable success
- Q: I had a 350W AC motor that did not work for this purpose. Do I need to have a DC motor? Also, what type of battery should I use? Obviously, it must be rechargeable so should I go with a lead-acid battery? This system will have a human-powered crankshaft, a motor, a battery, an inverter, and will need to produce 100W maximum to charge my laptop battery through the inverter.
- The basics are that a fit person can generate about 1/2 h.p. for about 15 minutes. And this is if you're pedaling. A d.c. generator would probably be best with a converter and NiCad batteries. If a 100 watts is all you need, a hand crank would probably work.
- Q: How does an electric (AC) motor work?
- This is a huge question and I don't know how much detail you want or how much you've had the education to understand, so I'll be general. First a few basic concepts: Current flowing through a wire causes a magnetic field to be generated. Magnetic fields influence each other to move. Alternating current reverses polarity with each cycle. One simple type of electric motor consists of two fixed magnets and a coil of wire wrapped around a central shaft. The coil of wire becomes an electromagnet when an electric charge is applied to it. This then generates a magnetic field. The coil and the shaft it is attached to begin to rotate due to interactions with the two fixed magnets. This rotating shaft is the basis of the electric motor. There are many more details which you could learn if you want to do more research. There are many more complicated motor designs. An electric generator is the opposite of what was just described--physical rotation causes an output of electric energy. If you want a more detailed understanding of the fundamental forces involved, I would suggest taking an electromagnetic field physics class. Or if you just want to learn more about motors get one and tear it apart! Reverse engineering is the best way to truly understand how something works.
- Q: Why is a split phase or capacitor start motor typically not a varialbe speed motor?What would have to be done to operate a split phase or capacitor start motor as a variable speed motor?
- most of these motors have a start winding that is disconnected by a centrifugal switch near operating speed. If the desired speed is less than the speed needed to keep the switch open the start winding would then be reconnected and soon burn out. The starting capacitor would most likley burn out first. Shaded pole motors can have multi speeds by varying voltage but are limited to smaller outputs like fans ...The shaded pole motor has many positive features, but it also has several disadvantages. Its low starting torque is typically 25 to 75% of full load torque. It is a high slip motor with running speed 7 to 10% below synchronous speed. Also, it is very inefficient, usually below 20%... at second link Depending on application it may be possible to use a variable speed pully such as the one at the 3rd link (tb woods)
- Q: what is the advantage of DC servo motor over the AC one for robotic application?
- Continuity and safety reasons.
- Q: Whether there is any change if we give ac supply to a dc motor?
- Nah, it'll be fine. Go for it.
- Q: I have tested 4.8 ohms across the windings.I worked out I = U/R = 230/4.8 = 47.92 AP = IU = 47.92 X 230 = 11020 w I don't know if this is right or a little bit high.The motor has a DOL starter that's not working, but There seems to be no problem with the cables upto it.You would be doing me a big favour if you could answer this question thanks.
- The static resistance will bear little relationship to the running load. As the motor speeds up the back-emf builds up too until it opposes the supply so much that it won't go any faster. There's no real way to predict how much power it will draw apart from running it and measuring the current when it's working - but it will be a great deal less than what you'd calculate from a passive resistor. Is there no data-plate anywhere on it?
- Q: What is different between AC, DC,and Servo motors? How can you control speed each motors?
- AC has multiple windings and you have to pulse the windings in a certain order to create movement. The control logic that does the pulsing can control the speed by how often it goes to the next sequence. DC is the simplest and the more voltage you apply the faster it goes. You can vary the voltage either by actually varying the input voltage or through pulse width modulation (PWM) which very rapidly turns the motor on then off, so it moves but at any variable speed (until it is off for too long, and there isnt enough torque to get it going again). Servo is generally a dc motor that is controlled all through PWM. 50% duty cycle generally means middle and the farther extremes moves it left or right. Usually they do not rotate freely.
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Siemens Original Reducer
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
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