A sample of an electric motor for a bicycle
Public transport is an annoying thing: you have to wait for it for a long time at stops, and having waited, go in a crush and closeness, which is unpleasant. A car is an expensive thing, so not everyone can afford it. Yes, and trains on it in big city obscured by traffic jams.
A motorcycle is not as expensive as a car, but it also requires a license, a garage, appropriate equipment, which is hot in summer. And the problem of traffic jams for him, as well as for a car, has not been solved. You won't get far on foot. What remains? Simple bike? But, there you need to pedal, which means that when you go to work fresh, you will get to it tired and not at all cheerful.
You can install an electric motor for a bicycle on a regular bike, turning it into modern look transport, which is becoming more and more popular year by year. Industrial electric bikes have a lot of advantages, but there are also disadvantages, one of which is the price. If you have a bike that you like: a mountain bike, with a basket to go grocery shopping, etc., then why not just install an electric motor on it so as not to part with your favorite vehicle? You can choose any type of electric motor, and apply a little ingenuity to it.
What are the types of engines? There are several of them: friction gear motor, wheel motor, outboard.
Motor- the wheel is the most common, because it is ideal for conversion. To this advantage, we can add the fact that it does not practically change the design of the bike. The motor is small, so it is almost invisible. You can install it by mounting it in the front or rear hub. You can, if desired, install an electric motor on each wheel. The stores sell motor-wheels with a finished hub.
In addition to the motor-wheel, the bike will need to install a throttle.
Its power varies from 150 W to 2000. You can choose any, but each such engine needs its own battery. The speed that a bicycle is capable of developing with a motor-wheel - 60-70 kilometers per hour. On flat terrain, the cruising range is fifty kilometers. In mountainous terrain, it depends on the relief, so it is difficult to give an exact figure. In any case, it will not be less than thirty kilometers.
Some craftsmen increase the power of the motor wheel even up to 72 watts. But, in this case, there is a possibility of its failure, so it is better not to experiment.
outboard electric motor
This bike motor needs to be attached to the bottom tube of the frame or the bike bottom bracket. It will be an autonomous node in the design. In this case, a protective cover is required on the chain and on the engine itself. The battery that powers the electric motor is usually attached to the trunk or to the top tube of the frame. The advantage of this engine is the ability to regulate its consumption power with the help of a controller. For this, a special handle is installed on the steering wheel, similar to a motorcycle handle "gas". It will weigh more with such an electric motor for a bicycle, but it will also be able to develop a greater speed - up to 120 km/h. Fits outboard motor for most bike models.
Friction gear motor
This type of engine is the most inefficient of all. Its principle of operation is as follows: the engine transmits force to the rear wheel tire through the shaft. Its efficiency is low, besides, it spoils the wheel if it is lowered. If the bike rides on a wet road, then the drive may turn out to be completely useless, since the roller that rotates the wheel begins to slip. But, it has a significant plus - the installation does not require intervention in the very design of the bike.
On sale you can find any electric motor: Chinese manufacturer Bafang, also Bosch
Bafang engine (8FUN)
The set includes: motor-wheel mounted on the frame, controller and two-stage gearbox. There are sets with different power electric motor (from 250 to 750 watts) and operating voltage (24-48V). The controller current depends on the type of electric motor for a bicycle (respectively 15-29). Throttle, cranks, wires, brakes and display are all included. The maximum speed of the bike on which it will be installed is fifty kilometers per hour, weight - 3.5 kg.
Bosch electric drive
On the Bosch engine, you can drive with maximum speed 25 km/h. The following companies use these motors: Cannondale, Stevens, Scott and Merida. Its power is 250W, and peak - 350 watts. It is also sold as a kit with a sensor showing when vehicle need help, i.e. "twist" the pedals, l lithium-ion battery(36V 8Ah), four-amp charger, fully charges the battery in 2.5 hours, a computer with four operating modes. Thanks to him, the electric drive can be used more economically. The set is conveniently mounted in the pedal set and weighs only 2.3 kilograms, i.e. practically the design is not weighed down.
Another well-known manufacturer electric motors - Golden Motor Company. The kit includes: motor, throttle, battery, cable. The controller built into the motor, the voltage of which is 60 V, has protection against overheating and overloads. The speed developed by a bicycle with this engine is forty kilometers per hour, the maximum current is 25A (working within 5-10 A). The weight is three kilograms.
In many countries, electric bicycles have found their fans, while in our country they are taking their first steps. But convenient, reliable, ecological transport, will certainly find its consumer in our country.
Attention! The clutch costs 6000 rubles. (he has no motor) + two-stroke internal combustion engine 2 hp with another 5000 rubles. This means that together with the motor it costs 11,000 rubles! But if you have a motor, then you can not buy it ...
Bicycle gasoline engines have been around for about 100 years! And one of the first bicycle motors was frictional - the roller turned by the tire .... however, the tires used to be bad and the roads were worse than now, but even in those days, these bicycle motors were the most massive!
Since then, many different bicycle motors with a chain or belt have been invented - but one way or another, all these bicycle motors have gone down in history, and friction motor IT WAS PRODUCED ALL THIS TIME - 100 YEARS, every year with a small upgrade.
The friction bike motor is the most massive in history! The cheapest of all! It is easier than others to install and the most reliable - there is simply nothing to break in it! It is easily placed on the back or front wheel! It doesn't matter if the bike has shock absorbers or not!
Included for 6000 rubles. no engine, because absolutely any engine with a centrifugal clutch pad diameter of 78 mm is suitable (such engines are found on most lawn trimmers, chainsaws, motor pumps and other common gasoline devices).
Excellent! you can buy suitable engine we have - two stroke motor 2 hp will cost only 5000 rubles.
The rest of the photos show the option of installing this bike motor with Honda engine GX35 (this engine can be bought from us for 15,000 rubles, i.e. the price of the Friction-2016 bike motor + Honda GX35 = 21,000 rubles)
Another feature of the Friction-2016 bike motor is that it can be installed on any device with a wheel - the final speed does not depend on the wheel diameter (if the wheel is smaller in diameter, then it makes more revs, but it travels the same path), the approximate speed is 35 km / h.
What could be simpler than a roller planted directly on the engine crankshaft and pressed against the wheel tire? So far, nothing simpler and more reliable has been invented. The friction drive was used in German bicycle motors, and in the cult Velosolex moped, and in the domestic bicycle engine"Irtysh":
Even Ducati did not disdain in its early days of engine building to use a friction drive. Even Ernesto Guevara himself made an impressive journey on a bicycle powered by Ducati Cucciolo.
The wave of abundance of used motors from lawn mowers has not yet reached us, but in America only the lazy do not build their own motorbike from an old trimmer motor and a bicycle peg. Most often, in such designs there is even no clutch - he pushed off with his foot, started the engine and drove off! AT best case do-it-yourselfers put a spring that presses the motor with a roller to the wheel.
Of course, the simplicity of design plays an important role in the motorcycle industry, but do not forget that modern engines they have stepped far ahead in their device and you should not give up such amenities as automatic centrifugal clutch and starting the engine with an arm-starter. The developers of the modern friction bike motor, which is now replicated by Chinese manufacturers, adhered to the same ideas.
The kit consists of bars on which the motor mount is movably fixed in order to regulate the force of pressing the roller to the tire. If you need to move on the pedals, then the roller can be raised so that it does not create unnecessary resistance when driving. The motor mount is a segment of a U-shaped profile, inside of which there are two thrust bearings passes the friction shaft. A centrifugal clutch cup is installed at one end of the shaft.
As usual, simplicity and reliability come at the cost of comfort. AT this case, this is high tire wear. Also, if the tire gets wet, the clutch can rotate, sawing the tire even deeper. The motor runs but the bike does not move.
A man once came to our editorial office and repeated on his own this design. To my surprise, for a run of 800 km, I did not notice much tire wear. True, the engine was not one of the most cubature - Honda GX-25, with a power of less than 1 hp.
The advantages of a friction bike motor include the possibility of installing it on the front wheel, on the pendulum arm of a bicycle with full suspension, the ability to quickly remove the engine when transporting the bike in public transport. The survivability of the design is evidenced by its colossal prevalence around the world.
The sewing electric drive of any industrial machine has not only a different speed control design (friction), but also a different wiring diagram, the principle of operation of the electric motor.
Household models of electric drives have low power from 40 to 110 watts, low rotation speed and asynchronous type of motor operation. In other words, a household electric motor does not withstand large and prolonged loads and requires periodic "respite". sewing engine industrial machine can work for days without a break, without overheating and without losing speed.
If you need a machine for mass sewing, then immediately think about a good suitable drive. According to the ads, you can buy cheap used tables with engines Soviet issue. These are reliable and efficient electric drives and perhaps these are exactly what you should use. But keep in mind that they all work very noisily, and this noise cannot be eliminated by any adjustment. Therefore, we recommend purchasing immediately good drive, for example, a table and a drive that come with a Typical sewing machine. And it is precisely such a sewing electric drive that we will consider in detail in this article.
The typical electric sewing drive can be bought separately and installed on any industrial table, but it is better to purchase it as a set with the table, especially since the table itself is cheaper than the motor.
By the way, a convenient sewing table can also be bought for a household sewing machine. A comfortable spacious table, and at the same time a sewing cutting table will make your work more comfortable, which will definitely affect your mood and, accordingly, the quality of work. If there is an opportunity and you have to sew a lot, never neglect such "little things".
Even such an insignificant detail as an electric drive switch creates comfort in work and influences mood.
Motor power and mains voltage
On the front side motor there is a tag where the mains voltage and motor power are indicated.
If you are going to install the machine at home or in a small studio where there is no 380 volt outlet, choose an electric motor to work from a 220 volt network.
And the engine power in this example does not really matter, since the speed of the machine depends on other factors. We will talk about this a little lower.
What is a friction drive? If you drive a car yourself, then you should know what a clutch is. So the clutch of the sewing electric drive is arranged in a similar way.
The motor rotates constantly at the same speed. When you press the pedal, the disc friction device(ferado) with textolite overlays fits the motor flywheel and interacts with it. The tighter you press the clutch disc against the flywheel of the electric motor, the better their grip and the higher the speed. Therefore, sometimes long work at a slow speed and the smell of burnt textolite appears.
Degree freewheel(without force) the drive pedal is adjusted by this thumb screw.
But with these screws, or rather two screws (with reverse side one more) adjustable brakes. Yes, exactly the brakes, almost like a car.
If you work for high speed, then after stopping the sewing machine by inertia, it will continue to rotate. Therefore, a brake is needed, which immediately stops the already unnecessary rotation. It is this screw with a locknut that regulates the degree of "sharpness" of the brake.
We did not upload a photo of the engine clutch device, an electrician should repair the engine, but you need to be able to regulate its operation with your own hands.
The height of the lift or the angle of the pedal is best adjusted here.
What determines the speed of an industrial sewing machine
The speed of an industrial sewing machine depends primarily on the number of revolutions of the electric motor. This parameter can be found on the tag or in the drive data sheet. But such details are of interest only to specialists in factory tailoring. For small manufacturers, this parameter of the engine is of secondary importance, since there is another way to adjust the speed of the industrial sewing machine.
Namely, by changing the engine pulley. The larger the pulley diameter, the higher the maximum speed of the sewing machine.
It is not difficult to change the pulley, for this you need a key for 19 and the pulley itself, which is usually attached to the engine. But note that you will have to adjust the length of the drive belt, and in many cases it will have to be a different diameter.
No matter how good an industrial drive is, even such a modern, almost silent and beautiful one like Typical, but it is not always needed. This applies to seamstresses. They often work at home in industrial sewing machines ah, such as 1022 class, 97 class. For various reasons, but primarily the increased noise of operation, they cannot use them.
To solve this problem simply and inexpensively, buy the TUR-2 electric drive and install it directly on the body of an industrial machine. We will not explain how to install, in each case you have to use your own solution. But we can advise, if necessary, instead of a plug, solder the wires as shown in the photo.
In addition, if the position of the windings is resoldered in places in such an engine, the engine will rotate in the opposite direction. This advice will come in handy when connecting an overlock to such a drive.
But all these tips are intended only for an electrician, we highly recommend that amateurs do not disassemble the engine on their own, and, moreover, change or solder anything there. There is not only a direct danger of electric shock, but also a hidden one. It shows up after a long time. From overheating of the motor windings, even when the sewing machine is not working, but connected to the network, ignition of the windings can occur.
Other brands of electric motors can also be installed on industrial machines, but we only recommend what we have tested, namely the TUR-2 electric drive.
And do not forget that the speed of the machine is noticeably reduced and you can sew on it for a short time, taking long breaks (pauses).
Sometimes it becomes necessary to disassemble the sewing machine, or rather remove the plastic case of the machine in order to gain access to some nodes. This need is very rare and occurs only when the sewing machine motor needs to be replaced or drive belt. However, to replace the electric drive, it is sometimes enough to remove only the bottom and side covers. But to eliminate the "jamming" will have to disassemble the machine completely.
In this article, you will learn how to find the cause of a malfunctioning electric drive, as well as how to replace the electric motor yourself.
Typically, power sewing problems start with the pedal, not the motor. However, we do not recommend disassembling the pedal yourself. Handle the pedal with care, do not twist the wires, do not "stand" on them with the leg of a chair and generally remember that these wires pass electricity, voltage 220 volts.
Sewing manual machine - drive device and repair
sewing manual typewriter simply indispensable when sewing thick fabrics and even leather. But here manual drive so inconvenient that there is no desire to use it. However, this situation is easy to fix if you buy a sewing electric drive along with a pedal and a drive belt in the kit. Each electric motor has regular mount, which allows you to install it even on a manual sewing machine.
The foot drive of the sewing machine in our time is more of a museum piece. It rattles, knocks, and the legs get tired. In addition, often the machine starts to spin in the wrong direction. How to refuse to use it if the Chaika or Podolskaya typewriter suits you perfectly? You just need to install a sewing motor. Each Seagull has a mount for it. The electric drive itself costs only twice as much as a new foot drive belt.
The zigzag attachment for a sewing machine is an ingenious device that imitates the execution of a zigzag stitch with a conventional Podolsk-type lock-stitch machine.
In this article, you will learn why a machine with a horizontal shuttle loops and how to fix this sewing stitch defect with your own hands.
The sewing machine will not sew if the handwheel friction washer is not installed correctly or bushings, etc., have rusted during long periods of storage.
Each model of a household sewing machine has its own set of legs. Detailed description use of presser feet for household sewing machines Janome company.
To work with genuine leather special tools, fixtures for installing fittings, adhesive and other applied materials.
The device of the friction motor for a bicycle is different from other models of motorbikes, it is very simple, transferring the energy of movement to the wheel of a motorbike, minimizing the work of installing a friction motor kit on a bicycle.
It is the friction drive that is considered the most reliable and cheapest, however, if water gets on the tire, the pressure roller may slip a little. Maintenance and care of the bike motor and motor mount is the simplest, in the design of the friction bike motor, there are no complex components and parts, such as a chain tensioner and damper, it does not require careful maintenance of the chain, etc. anyone can handle it, even a child. Develops a speed of 35-45 km / h.
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It is impossible to buy a friction motor for a bicycle in Moscow, it is usually ordered from America, but the price becomes exorbitant, and here you can leave a request for its purchase. Buy a bicycle motor in Moscow. We have a supply of a friction bike motor in stock, but due to its ease of maintenance and the low cost of a set of a friction drive bike motor, the bike motor is quickly sold out. The price for a set of friction bike motor in total is 8.500 thousand rubles. 2 HP by phone 8 925 050-97-27 quantity is limited!!!
In past seasons, some bike motors showed increased wear of the friction roller (especially when operating on sand in wet weather), at the request of customers, we made new rollers from hardened tool steel in Russia.
