Tag Archives: brushless motor 48v

China Hot selling 3 Phase 4 Poles High Torque 110mm 48V Low Speed 1500W Good Quality Electric Brushless Motor Reducer Planetary Gear bevel gearbox

Product Description

BG 110ZYT DC Brushed Motor 
Environmental Conditions -20ºC~50ºC
Insulation Clase B
Protection class IP40
Noise ≤75dB
Number of phases/Poles 3/4
Lifespan >1000h

Electrical Specifications
Model RATED LOAD NO LOAD
 Voltage   Power    Speed    Torque    Current  Speed  Current
V W rpm N.m A rpm A
BG 11BL157 48 1500 3000 4.7 40 3600 6
We can also customize products according to customer requirements. 

 

 Planetary Gear Motor Technical Data-BG
Ratio 10 / / / / / / /
Output speed 300 / / / / / / /
Output torque(N.m) 40 / / / / / / /

 

Established in 1994, HangZhou BG Motor Factory is a professional manufacturer of brushless DC motors, brushed DC motors, planetary gear motors, worm gear motors, Universal motors and AC motors. We have a plant area of 6000 square meters, multiple patent certificates, and we have the independent design and development capabilities and strong technical force, with an annual output of more than 1 million units. Since the beginning of its establishment, BG motor has focused on the overall solution of motors. We manufacture and design motors, provide professional customized services, respond quickly to customer needs, and actively help customers to solve problems. Our motor products are exported to 20 countries, including the United States, Germany, Italy, the United Kingdom, Poland, Slovenia, Switzerland, Sweden, Singapore, South Korea etc.
Our founder, Mr. Sun, has more than 40 years of experience in motor technology, and our other engineers also have more than 15 years of experience, and 60% of our staff have more than 10 years of experience, and we can assure you that the quality of our motors is top notch.
The products cover AGV, underwater robots, robots, sewing machine industry, automobiles, medical equipment, automatic doors, lifting equipment, industrial equipment and have a wide range of applications.
We strive for CZPT in the quality of each product, and we are only a small and sophisticated manufacturer.
Our vision: Drive the world CZPT and make life better!

Q:1.What kind of motors can you provide?

A:At present, we mainly produce brushless DC motors, brush DC motors, AC motors, Universal Motors; the power of the motor is less than 5000W, and the diameter of the motor is not more than 200mm;

Q:2.Can you send me a price list?

A:For all of our motors, they are customized based on different requirements like lifetime, noise,voltage,and shaft etc. The price also varies according to annual quantity. So it’s really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we’ll see what offer we can provide.

Q:3.Can l get some samples?

A:It depends. If only a few samples for personal use or replacement, I am afraid it’ll be difficult for us to provide because all of our motors are custom made and no stock available if there are no further needs. If just sample testing before the official order and our MOQ,price and other terms are acceptable,we’d love to provide samples.

Q4:Can you provide OEM or ODM service?

A:Yes,OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.

Q5:Can l visit your factory before we place an order?

A:welcome to visit our factory,we are very pleased if we have the chance to know each other more.

Q:6.What’s the lead time for a regular order?

A:For orders, the standard lead time is 15-20 days and this time can be shorter or longer based on the different model,period and quantity.

Application: Universal, Industrial, Household Appliances, Car, Power Tools, Robot Arm
Operating Speed: Low Speed
Excitation Mode: DC
Function: Control, Driving
Casing Protection: Closed Type
Number of Poles: Can Be Choosen
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

Gear

Hypoid Bevel Vs Straight Spiral Bevel – What’s the Difference?

Spiral gears come in many different varieties, but there is a fundamental difference between a Hypoid bevel gear and a Straight spiral bevel. This article will describe the differences between the two types of gears and discuss their use. Whether the gears are used in industrial applications or at home, it is vital to understand what each type does and why it is important. Ultimately, your final product will depend on these differences.

Hypoid bevel gears

In automotive use, hypoid bevel gears are used in the differential, which allows the wheels to rotate at different speeds while maintaining the vehicle’s handling. This gearbox assembly consists of a ring gear and pinion mounted on a carrier with other bevel gears. These gears are also widely used in heavy equipment, auxiliary units, and the aviation industry. Listed below are some common applications of hypoid bevel gears.
For automotive applications, hypoid gears are commonly used in rear axles, especially on large trucks. Their distinctive shape allows the driveshaft to be located deeper in the vehicle, thus lowering the center of gravity and minimizing interior disruption. This design makes the hypoid gearset one of the most efficient types of gearboxes on the market. In addition to their superior efficiency, hypoid gears are very easy to maintain, as their mesh is based on sliding action.
The face-hobbed hypoid gears have a characteristic epicycloidal lead curve along their lengthwise axis. The most common grinding method for hypoid gears is the Semi-Completing process, which uses a cup-shaped grinding wheel to replace the lead curve with a circular arc. However, this method has a significant drawback – it produces non-uniform stock removal. Furthermore, the grinding wheel cannot finish all the surface of the tooth.
The advantages of a hypoid gear over a spiral bevel gear include a higher contact ratio and a higher transmission torque. These gears are primarily used in automobile drive systems, where the ratio of a single pair of hypoid gears is the highest. The hypoid gear can be heat-treated to increase durability and reduce friction, making it an ideal choice for applications where speed and efficiency are critical.
The same technique used in spiral bevel gears can also be used for hypoid bevel gears. This machining technique involves two-cut roughing followed by one-cut finishing. The pitch diameter of hypoid gears is up to 2500 mm. It is possible to combine the roughing and finishing operations using the same cutter, but the two-cut machining process is recommended for hypoid gears.
The advantages of hypoid gearing over spiral bevel gears are primarily based on precision. Using a hypoid gear with only three arc minutes of backlash is more efficient than a spiral bevel gear that requires six arc minutes of backlash. This makes hypoid gears a more viable choice in the motion control market. However, some people may argue that hypoid gears are not practical for automobile assemblies.
Hypoid gears have a unique shape – a cone that has teeth that are not parallel. Their pitch surface consists of two surfaces – a conical surface and a line-contacting surface of revolution. An inscribed cone is a common substitute for the line-contact surface of hypoid bevel gears, and it features point-contacts instead of lines. Developed in the early 1920s, hypoid bevel gears are still used in heavy truck drive trains. As they grow in popularity, they are also seeing increasing use in the industrial power transmission and motion control industries.
Gear

Straight spiral bevel gears

There are many differences between spiral bevel gears and the traditional, non-spiral types. Spiral bevel gears are always crowned and never conjugated, which limits the distribution of contact stress. The helical shape of the bevel gear is also a factor of design, as is its length. The helical shape has a large number of advantages, however. Listed below are a few of them.
Spiral bevel gears are generally available in pitches ranging from 1.5 to 2500 mm. They are highly efficient and are also available in a wide range of tooth and module combinations. Spiral bevel gears are extremely accurate and durable, and have low helix angles. These properties make them excellent for precision applications. However, some gears are not suitable for all applications. Therefore, you should consider the type of bevel gear you need before purchasing.
Compared to helical gears, straight bevel gears are easier to manufacture. The earliest method used to manufacture these gears was the use of a planer with an indexing head. However, with the development of modern manufacturing processes such as the Revacycle and Coniflex systems, manufacturers have been able to produce these gears more efficiently. Some of these gears are used in windup alarm clocks, washing machines, and screwdrivers. However, they are particularly noisy and are not suitable for automobile use.
A straight bevel gear is the most common type of bevel gear, while a spiral bevel gear has concave teeth. This curved design produces a greater amount of torque and axial thrust than a straight bevel gear. Straight teeth can increase the risk of breaking and overheating equipment and are more prone to breakage. Spiral bevel gears are also more durable and last longer than helical gears.
Spiral and hypoid bevel gears are used for applications with high peripheral speeds and require very low friction. They are recommended for applications where noise levels are essential. Hypoid gears are suitable for applications where they can transmit high torque, although the helical-spiral design is less effective for braking. For this reason, spiral bevel gears and hypoids are generally more expensive. If you are planning to buy a new gear, it is important to know which one will be suitable for the application.
Spiral bevel gears are more expensive than standard bevel gears, and their design is more complex than that of the spiral bevel gear. However, they have the advantage of being simpler to manufacture and are less likely to produce excessive noise and vibration. They also have less teeth to grind, which means that they are not as noisy as the spiral bevel gears. The main benefit of this design is their simplicity, as they can be produced in pairs, which saves money and time.
In most applications, spiral bevel gears have advantages over their straight counterparts. They provide more evenly distributed tooth loads and carry more load without surface fatigue. The spiral angle of the teeth also affects thrust loading. It is possible to make a straight spiral bevel gear with two helical axes, but the difference is the amount of thrust that is applied to each individual tooth. In addition to being stronger, the spiral angle provides the same efficiency as the straight spiral gear.
Gear

Hypoid gears

The primary application of hypoid gearboxes is in the automotive industry. They are typically found on the rear axles of passenger cars. The name is derived from the left-hand spiral angle of the pinion and the right-hand spiral angle of the crown. Hypoid gears also benefit from an offset center of gravity, which reduces the interior space of cars. Hypoid gears are also used in heavy trucks and buses, where they can improve fuel efficiency.
The hypoid and spiral bevel gears can be produced by face-hobbing, a process that produces highly accurate and smooth-surfaced parts. This process enables precise flank surfaces and pre-designed ease-off topographies. These processes also enhance the mechanical resistance of the gears by 15 to 20%. Additionally, they can reduce noise and improve mechanical efficiency. In commercial applications, hypoid gears are ideal for ensuring quiet operation.
Conjugated design enables the production of hypoid gearsets with length or profile crowning. Its characteristic makes the gearset insensitive to inaccuracies in the gear housing and load deflections. In addition, crowning allows the manufacturer to adjust the operating displacements to achieve the desired results. These advantages make hypoid gear sets a desirable option for many industries. So, what are the advantages of hypoid gears in spiral gears?
The design of a hypoid gear is similar to that of a conventional bevel gear. Its pitch surfaces are hyperbolic, rather than conical, and the teeth are helical. This configuration also allows the pinion to be larger than an equivalent bevel pinion. The overall design of the hypoid gear allows for large diameter shafts and a large pinion. It can be considered a cross between a bevel gear and a worm drive.
In passenger vehicles, hypoid gears are almost universal. Their smoother operation, increased pinion strength, and reduced weight make them a desirable choice for many vehicle applications. And, a lower vehicle body also lowers the vehicle’s body. These advantages made all major car manufacturers convert to hypoid drive axles. It is worth noting that they are less efficient than their bevel gear counterparts.
The most basic design characteristic of a hypoid gear is that it carries out line contact in the entire area of engagement. In other words, if a pinion and a ring gear rotate with an angular increment, line contact is maintained throughout their entire engagement area. The resulting transmission ratio is equal to the angular increments of the pinion and ring gear. Therefore, hypoid gears are also known as helical gears.

China Hot selling 3 Phase 4 Poles High Torque 110mm 48V Low Speed 1500W Good Quality Electric Brushless Motor Reducer Planetary Gear bevel gearboxChina Hot selling 3 Phase 4 Poles High Torque 110mm 48V Low Speed 1500W Good Quality Electric Brushless Motor Reducer Planetary Gear bevel gearbox
editor by CX 2023-06-13

China Fat Tire 350W 500W 750W 36V 48V Rear Front Electric Bicycle Brushless Geared Snow Hub Motor worm and wheel gear

Voltage: 36/48V
Design: Brushless
Wattage: > 4-60170 no matter the place they arrive from. Business Profile Saili Motor Co., Ltd. is a specialist company of Electric Bicycle Kits, integrating advancement and manufacturing collectively. Ourmain products incorporate Hub Motor, Electric powered Bicycle Package, Lithium Battery, Electric powered Bicycle and related goods.Our firm was set up in 2571, situated in close proximity to ZheJiang , Customized Logo China Provider Large Industrial Cylindrical Equipment With High Precision Rack we get pleasure from handy h2o, land and air transportation.Our firm encompasses an location of about ten,000 sq. meters of properties and currently owns above a hundred personnel, among them there are 10 increased technician stages.The objective of Saili Motor is to be your senior specialist in electrical bicycle. We hope to be CZPT to maintain surprising you with new, modern and high quality electric bikes and kits in the potential. Let’s get started to share our enthusiasm for 2 wheels, get nearer to nature, 501 ratio 112mm 3N.m equipment stepper nema23 reducer planetary gearbox reduction box motor considerably away from site visitors jam, you can see so a lot a lot more by electric powered bike. Advocate Goods

Spiral Gears for Right-Angle Right-Hand Drives

Spiral gears are used in mechanical systems to transmit torque. The bevel gear is a particular type of spiral gear. It is made up of two gears that mesh with one another. Both gears are connected by a bearing. The two gears must be in mesh alignment so that the negative thrust will push them together. If axial play occurs in the bearing, the mesh will have no backlash. Moreover, the design of the spiral gear is based on geometrical tooth forms.
Gear

Equations for spiral gear

The theory of divergence requires that the pitch cone radii of the pinion and gear be skewed in different directions. This is done by increasing the slope of the convex surface of the gear’s tooth and decreasing the slope of the concave surface of the pinion’s tooth. The pinion is a ring-shaped wheel with a central bore and a plurality of transverse axes that are offset from the axis of the spiral teeth.
Spiral bevel gears have a helical tooth flank. The spiral is consistent with the cutter curve. The spiral angle b is equal to the pitch cone’s genatrix element. The mean spiral angle bm is the angle between the genatrix element and the tooth flank. The equations in Table 2 are specific for the Spread Blade and Single Side gears from Gleason.
The tooth flank equation of a logarithmic spiral bevel gear is derived using the formation mechanism of the tooth flanks. The tangential contact force and the normal pressure angle of the logarithmic spiral bevel gear were found to be about twenty degrees and 35 degrees respectively. These two types of motion equations were used to solve the problems that arise in determining the transmission stationary. While the theory of logarithmic spiral bevel gear meshing is still in its infancy, it does provide a good starting point for understanding how it works.
This geometry has many different solutions. However, the main two are defined by the root angle of the gear and pinion and the diameter of the spiral gear. The latter is a difficult one to constrain. A 3D sketch of a bevel gear tooth is used as a reference. The radii of the tooth space profile are defined by end point constraints placed on the bottom corners of the tooth space. Then, the radii of the gear tooth are determined by the angle.
The cone distance Am of a spiral gear is also known as the tooth geometry. The cone distance should correlate with the various sections of the cutter path. The cone distance range Am must be able to correlate with the pressure angle of the flanks. The base radii of a bevel gear need not be defined, but this geometry should be considered if the bevel gear does not have a hypoid offset. When developing the tooth geometry of a spiral bevel gear, the first step is to convert the terminology to pinion instead of gear.
The normal system is more convenient for manufacturing helical gears. In addition, the helical gears must be the same helix angle. The opposite hand helical gears must mesh with each other. Likewise, the profile-shifted screw gears need more complex meshing. This gear pair can be manufactured in a similar way to a spur gear. Further, the calculations for the meshing of helical gears are presented in Table 7-1.
Gear

Design of spiral bevel gears

A proposed design of spiral bevel gears utilizes a function-to-form mapping method to determine the tooth surface geometry. This solid model is then tested with a surface deviation method to determine whether it is accurate. Compared to other right-angle gear types, spiral bevel gears are more efficient and compact. CZPT Gear Company gears comply with AGMA standards. A higher quality spiral bevel gear set achieves 99% efficiency.
A geometric meshing pair based on geometric elements is proposed and analyzed for spiral bevel gears. This approach can provide high contact strength and is insensitive to shaft angle misalignment. Geometric elements of spiral bevel gears are modeled and discussed. Contact patterns are investigated, as well as the effect of misalignment on the load capacity. In addition, a prototype of the design is fabricated and rolling tests are conducted to verify its accuracy.
The three basic elements of a spiral bevel gear are the pinion-gear pair, the input and output shafts, and the auxiliary flank. The input and output shafts are in torsion, the pinion-gear pair is in torsional rigidity, and the system elasticity is small. These factors make spiral bevel gears ideal for meshing impact. To improve meshing impact, a mathematical model is developed using the tool parameters and initial machine settings.
In recent years, several advances in manufacturing technology have been made to produce high-performance spiral bevel gears. Researchers such as Ding et al. optimized the machine settings and cutter blade profiles to eliminate tooth edge contact, and the result was an accurate and large spiral bevel gear. In fact, this process is still used today for the manufacturing of spiral bevel gears. If you are interested in this technology, you should read on!
The design of spiral bevel gears is complex and intricate, requiring the skills of expert machinists. Spiral bevel gears are the state of the art for transferring power from one system to another. Although spiral bevel gears were once difficult to manufacture, they are now common and widely used in many applications. In fact, spiral bevel gears are the gold standard for right-angle power transfer.While conventional bevel gear machinery can be used to manufacture spiral bevel gears, it is very complex to produce double bevel gears. The double spiral bevel gearset is not machinable with traditional bevel gear machinery. Consequently, novel manufacturing methods have been developed. An additive manufacturing method was used to create a prototype for a double spiral bevel gearset, and the manufacture of a multi-axis CNC machine center will follow.
Spiral bevel gears are critical components of helicopters and aerospace power plants. Their durability, endurance, and meshing performance are crucial for safety. Many researchers have turned to spiral bevel gears to address these issues. One challenge is to reduce noise, improve the transmission efficiency, and increase their endurance. For this reason, spiral bevel gears can be smaller in diameter than straight bevel gears. If you are interested in spiral bevel gears, check out this article.
Gear

Limitations to geometrically obtained tooth forms

The geometrically obtained tooth forms of a spiral gear can be calculated from a nonlinear programming problem. The tooth approach Z is the linear displacement error along the contact normal. It can be calculated using the formula given in Eq. (23) with a few additional parameters. However, the result is not accurate for small loads because the signal-to-noise ratio of the strain signal is small.
Geometrically obtained tooth forms can lead to line and point contact tooth forms. However, they have their limits when the tooth bodies invade the geometrically obtained tooth form. This is called interference of tooth profiles. While this limit can be overcome by several other methods, the geometrically obtained tooth forms are limited by the mesh and strength of the teeth. They can only be used when the meshing of the gear is adequate and the relative motion is sufficient.
During the tooth profile measurement, the relative position between the gear and the LTS will constantly change. The sensor mounting surface should be parallel to the rotational axis. The actual orientation of the sensor may differ from this ideal. This may be due to geometrical tolerances of the gear shaft support and the platform. However, this effect is minimal and is not a serious problem. So, it is possible to obtain the geometrically obtained tooth forms of spiral gear without undergoing expensive experimental procedures.
The measurement process of geometrically obtained tooth forms of a spiral gear is based on an ideal involute profile generated from the optical measurements of one end of the gear. This profile is assumed to be almost perfect based on the general orientation of the LTS and the rotation axis. There are small deviations in the pitch and yaw angles. Lower and upper bounds are determined as – 10 and -10 degrees respectively.
The tooth forms of a spiral gear are derived from replacement spur toothing. However, the tooth shape of a spiral gear is still subject to various limitations. In addition to the tooth shape, the pitch diameter also affects the angular backlash. The values of these two parameters vary for each gear in a mesh. They are related by the transmission ratio. Once this is understood, it is possible to create a gear with a corresponding tooth shape.
As the length and transverse base pitch of a spiral gear are the same, the helix angle of each profile is equal. This is crucial for engagement. An imperfect base pitch results in an uneven load sharing between the gear teeth, which leads to higher than nominal loads in some teeth. This leads to amplitude modulated vibrations and noise. In addition, the boundary point of the root fillet and involute could be reduced or eliminate contact before the tip diameter.

China Fat Tire 350W 500W 750W 36V 48V Rear  Front Electric Bicycle Brushless Geared Snow Hub Motor     worm and wheel gearChina Fat Tire 350W 500W 750W 36V 48V Rear  Front Electric Bicycle Brushless Geared Snow Hub Motor     worm and wheel gear
editor by czh 2023-02-20

China Custom 48V Shaft Drived Electric Adult ATV Quad Bike with Brushless Motor near me factory

Item Description

48V 800W & 1000W Shaft Drived Electrical ATV Quad Bicycle with Brushless Motor
Model: EA0804
Important Specifications:

Wheel amount: 4
Solution size: 1530x860x930mm
Motor electrical power: 800W
Battery: 48V 20AH
Price electricity: 800W±10%
Control chip: 48V/800W
Charging electrical power input: AC80-240V   50-60Hz  48V/MAX1.8A
Charging time: 11-13 hours
Max pace: About 45km/h
Brake: front: drum brake, rear: twin-disc brake/front and rear twin-disc brake
Transmission: shaft push transmission
Wheel size: 16×8.00-seven
Climb potential: ≥15 levels
Load capability: 85kgs
Equipment driving with speed differential handle
Front & Reverse gearshift
Iron wheel rim
Color obtainable: red, blue, black, yellow
 
Package deal: Iron cage with carton outdoors
Net fat: 105kgs/231lbs
Gross weight: 122kgs/269lbs
Carton measurement: 124x77x63cm/1pc
Container: 46pcs/20′, 96pcs/40′, 113pcs/40’HQ

electric powered atvs

FAQ:
one. About Sample: How could I get a sample?
We have to obtain your payment for samples and their categorical delivery expense, then send samples to you. The rates of the samples are increased than mass order in full container loading. Specific supply demand is dependent on the amount of the samples.
2. About Price: could I get your price record?
Yes, make sure you notify us the items (with their design amount), amount you are interested in, then we will offer the cost by e-mail.
3. About Shipment: what kind of shipment will you use?
We normally ship the items by boat via our shipping and delivery agent, we can ship the merchandise to any area of the globe. Delivery by air is impossible since the battery and engines is harmful.
4. About Sole-Distributor: what about the phrases to turn into your sole distributor in our city, spot or point out, place?
If you can market our items CZPT US$ 10,000 —- 50,000 per month, you can turn out to be our sole distributor in your metropolis or region if you can market our merchandise CZPT US$ fifty,000 or above for each month, you can turn into our sole distributor in your state, if you want to be a sole agent in your country, negotiable.
5. About OEM: could we location buy by OEM style to produce our very own brand name goods in your manufacturing unit?
Of training course you can. Welcome to do OEM. What you need to do is electronic mail us the manufacturer title or symbol.
six. About Payment Conditions: How we set up payment?
Two types of payment:
T/T: Telegraphic Transfer (wire transfer), 30% down payment, balance on fax of the invoice of lading. or
L/C: Letter of Credit history.
Bank information is accessible upon inquiring.
Sample payment can be compensated on Western Union.
seven. About Lead Time: How quickly we can get the cargo?
We will set up production right after affirmation of the order and payment. So all scooters are model-new produced, we will take 2 or 3 weeks to organize manufacturing, ebook shipping and delivery will consider significantly less than 7 times. Shipping time depend on the spot area.
eight. About MOQ (Bare minimum Order Amount): what is the minimal purchase quantity?
Usually 5pcs every design, but not fastened.
nine. About Shipping and delivery Insurance: how to prepare shipping and delivery insurance?
We can prepare shipping and delivery insurance for you.
ten. About Dropship: do you dropship?
We cannot do dropship, the amount for dropship is generally tiny, the dealing with will be substantial compare with the little amount.
11. Images are for guidance & might not resemble specifically a certain design.
Products Technical specs are subject to adjust CZPT prior recognize.
twelve. The registered types or patented or copyrighted merchandise showed in the web site only sell to the proprietors or their licensed agents.
thirteen, About Guarantee: We supply 360 times on our sold goods to our consumers. 
fourteen. About placing purchase: how to area an purchase.
E mail us get specifics including cars product variety, quantity, location port (we want it to estimate the shipping price), promoting countries (different international locations have diverse energy plug), consignee’s contact details like depth address and mobile phone fax number and e mail tackle, notify celebration, and so on.
For more particulars, please make contact with us.

 

EP’s racks convert rotational movement to linear movement when utilized with spur gears. It is developed to function with our inventory fourteen 1/2° and 20° PA spur gears. It can be modified for specific applications, such as drilling and tapping mounting holes, chopping to certain lengths, or matching the finishes of two-piece racks to generate ongoing lengths more time than inventory.
Gears are utilised in a large variety of mechanical units. Most importantly, they supply gear reduction for motorized tools. This is essential due to the fact often modest motors that spin really rapidly can give adequate electricity to the unit, but not enough torque, the pressure that causes an object to spin or twist on an axis. For illustration, an electric screwdriver has a very massive equipment reduction (reduces the pace of a rotating machine (like an electric motor)) due to the fact it demands a good deal of torque to switch the screw. But the motor creates only a small amount of torque at higher speeds. With equipment reduction, the output velocity can be reduced whilst rising the torque.

China Custom 48V Shaft Drived Electric Adult ATV Quad Bike with Brushless Motor     near me factory