Model Number: Mid drive motor
Warranty: Provide
Product Name: 1000W 90 70H Mid Drive Motor kits 420 Sprocket with EM50SP controller
Voltage(V): 60V or 72V(as default)
Output Power(W): 1000W
Usage: electric scooter/e-bike/e-motorcycle
Type: Mid drive motor
Efficiency: 84~90%
Speed: 60V@45KPH; 72V@55KPH
Color: Black
Waterproof Grade: IP54
Certification: ISO9001, CCC, CE
Packaging Details: Carton Box
1000W 90 70H Mid Drive Motor kits 420 Sprocket with EM50SP controller for electric scooter
For 90 1000W mid drive motor, it could be used for electric scooter, electric motorcycle.
It could be 72V 55KPH, available for 10inch wheel kits.
QS can provide customized 420 14teeth sprocket to match with 1kW mid drive motor.
Kits including
1. 1pcs X QSMOTOR 1000W PMSM IPM mid drive motor with sprocket 420 14 teeth
2. 1pcs X Votol EM50SP sine wave motor controller
3. 1pcs X DKD LCD speedometer
4. 1pcs X Z6 throttle with combination switch
Key Features
1) Light weight and small dimension compare to hub motor
2) High performance benefit from flux weakening
3) High effeciency during climbing, and better acceleration
4) Support regenerative braking
Product description
1. QSMOTOR 1000W 90 80H Mid Drive Motor
Specification
Drawing(for normal)
Test Report
2. EM50SP 72V sinusoidal wave BLDC motor controller
Specification
Sine wave controller, programmable, with regen function
Net weight: 955g
Rated current: 60A
Boost current: 190
Max. Power: 4320W
Flux Weakening Ratio: 100~250%
Max. Efficiency: 88~93%
Degree of protection: IP67
Pictures Show
Drawing(for normal)
3. DKD LCD speedometer, can-bus(optional, CZPT flexible Double Disc coupling LIN as default)
It display D N R, P, S gear, and battery current X5/10.
P.s.: If the working battery doesn’t have can-bus communication, then the can-bus speedometer will shows lack of electricity always.
So, we suggest to do the speedometer as Line communication version if client can’t get can-bus battery.
4. Z6 throttle with combination switch
With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.
It match with VOTOL controller well.
Please noted:
Optional appearance, drawing, performance curve/test report are available.
If you need more technical information, please feel free to contact us.
We will give you reply in 12hours.
Application
How to Recommend you suitable motors?
Firstly, To customize a suitable electric hub motor for your vehicle, could you please inform the points in below?
1. E-bike, E-scooter, High torque Clamp Type corrugated shaft coupling Factory direct sale flexible stainless steel bellows coupling Hot Sale E-tricycle or E-car?
2. Weight of vehicle with battery, loading weight (weight with load only)?
3. Tire model/diameter?
4. Rated voltage and wattage of motor, nominal speed/top speed, and climb angle or torque @ what speed?
5. Battery nominal voltage, CZPT voltage, capacity and vehicle range?
6. What’s the drop-outs/rear fork width of your frame?
Within your details information, we could make assessment and calculation accordingly for your project
Company Information About US
SIAECOSYS is an union of manufactories in electric driving industry, and belongs to HangZhou SIA Trading Co., Ltd that set from QS Factory in 2013 year.
Currently, more than 80 top factories join SIAECOSYS, and they are willing to provide customized products and service for international customers who has passion in e-scooter/tricycle/car industry.
SIAECOSYS focus on organizing member factories together to customize specific e-driving system solution and products for different requirements from customers in the world.
Nowadays, SIAECOSYS has more than 5000 customers from the world and more than 40 customers send inquiry every day.
SIAECOSYS has sale department, Technology department, Quality inspection department, general accounting department, purchase department and after-sale service department.
FAQQ1. Are you trader or manufacture?
A: We’re manufacture.
Q2. How long is your production time?A: Generally, Custom design standard stretch flange type SWC-BF cardan shaft the production period is 12-14 working days(6 working days per week).
The specific delivery time depends on the items and the quantity of your order.Q3. How long is your warranty time?
A: For motor, the warranty time is 1 year and 3 months. For other parts, the warranty time is 1 year.
Q4. About Customs Clearance
For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.
Special countries list:
Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman etc.
Some countries name not listed, the salesman will inform you in time if you placed the order online directly. Thank you for your understanding.
05. Does your products with CE certification?
Yes, our motor with Certification (CE, CCC), SWC-BH standard flex welding type universal coupling professional customized cardan shaft coupling industrial equipment and our factory with certification of ISO9001, TS86949
What you need to know about sprockets
If you are interested in bicycles or mechanical parts, you may be interested in learning more about Sprockets. There are several types to choose from, each with their own advantages and disadvantages. Here are some details about the different types. Among other things, you may want to consider their spacing, holes and teeth.
Various types of sprockets
There are several types of sprockets, each with their own advantages and disadvantages. Generally, sprockets are selected based on their pitch, which is the distance from the center of the needle roller to the sprocket teeth. These two factors are often used together to determine the speed ratio. For example, a 50-tooth drive sprocket produces a 2:1 reduction ratio.
A sprocket is a wheel that meshes with a chain or track to drive the machine. They are different from gears and are usually designed for a specific chain. Choosing the correct type of sprocket will ensure proper performance and minimize maintenance. The accompanying catalog provides specifications for each sprocket.
Sprockets come in many different designs. These include common bores and roller chains. They also have taper and split taper designs. They can also be made to order. Additionally, these sprockets are available with different mounting options. If you’re looking for a chain, you’ll also need to consider size and spacing.
Sprockets are often used in power transmission systems. They are used with roller chains and silent chains. They reduce speed in a similar way to gears. However, sprockets are designed with high friction surfaces that will wear out quickly unless lubricated. This is why sprockets are usually made of steel, although they can also be made of plastic.
The most common type of sprocket is the roller sprocket. This type of sprocket is commonly used in drivetrains because it runs on a series of pins and rollers that create play between the teeth of the sprocket. They have high tensile strength and are usually made of cast iron or graded stainless steel.
Another type of sprocket is the engineered sprocket, which is stronger and more durable than power transmission sprockets. They are also designed to replace worn teeth without removing the conveyor chain. So if you’re planning to buy a new sprocket, read the manual carefully and make sure you choose the one that best meets your needs.
Different types of sprockets have different pitches and sprocket lengths. For example, chains with large pitch diameters require sprockets with large teeth. Conversely, a chain with a shorter pitch will require smaller sprockets and smaller teeth. Likewise, the pitch of the sprocket and its bore also affects the size of the drive shaft. Knowing the diameter of the drive shaft before buying will ensure you choose the correct sprocket for the job at hand.
teeth
There are many factors that determine the length and shape of a sprocket. The number of teeth on the sprocket is a consideration. The higher the number of teeth, the longer the life of the sprocket. Also, the higher the number, the better the wear resistance of the sprocket. Most sprockets have 17 teeth, but they can have more or less. Choosing the correct number of teeth for a sprocket will greatly increase the life of the sprocket and chain. The teeth are usually made of the same material as the sprockets, but there are some removable options as well. Another option is to harden the teeth of the sprocket, which will greatly increase the life of the sprocket. This process is often called induction hardening
While sprockets are sometimes made of metal, some are made of plastic or reinforced plastic. The design of the sprocket is similar to the design of the gear, but it is completely different. While they both have a wheel-like shape, the only difference between them is how they interact with different types of chains. In most cases, the sprocket and chain work together, similar to a bicycle chain assembly.
To determine the correct sprocket size, you need to know the size of the drive shaft, which will determine the size of the teeth. For example, a chain with a 3.5 pitch diameter needs a chainring with large teeth, while a chainring with a smaller pitch needs a chainring with small teeth. Pitch diameter or teeth per inch and bore (the hole through which the center of the sprocket passes through the drive shaft) are the two most important factors in determining sprocket size.
Hole
Each spring has two diameters – the shaft diameter and the spring bore. These measurements are important for spring assemblies and cavities. They usually hold a certain tolerance, depending on the customer’s tolerance requirements. Spring manufacturers typically design clearances according to standard manufacturing practices and recommend keeping bore and shaft diameters within a certain tolerance type.
asphalt
Pitch is a property of a peak frequency that reflects its relative position in frequency space. The spacing of spikes can be measured using a method called neural coding. During this process, CF builds and indexes a series of single-fiber models. Each model predicts the rate response of the AN to any stimulus. These models have no free parameters and are used to find the excitation parameters that produce the most similar measurement curves.
In the past, baseball pitchers used spiked curves to throw harder knives. This type of curveball is similar to a fastball, but with a sharper hit. The resulting speed allows pitchers to throw harder knives. While it’s not a traditional curveball, it can help pitchers improve their QOP score by reducing the time it takes to complete a pitch.
In addition to estimating the pitch, these studies show that the phase relationship between the three harmonics has little effect on the pitch estimation for the pooled interval distribution. This finding is consistent with psychophysical observations of pitch-phase invariance. However, the phase relationship between unresolved and resolved harmonics may have a greater effect on pitch saliency.
editor by Cx 2023-07-12