3-phase vertical type AC Gear Reduction Brake Motor Speed reducer motors
“Bangfeili “brand BH&BV horizontal and vertical gear motor (with the brake) commonly known as reduction motor, is a kind of speed gear motor and motor (motor) the integration of the body. This integration body usually can also be called gear motor, usually assembled by the integration after complete supply by a professional gear reduction motor factory .
The geared motor widely used steel industry, machinery industry, or assembled with magnetic powder clutch and brake , etc. Ac gear motor is generally through the motor, internal combustion engines or other high speed running power through the low rpm ac gear motor input shaft of the less number of gear engagement on the output shaft of big gear to achieve the purpose of the slowdown.
|Three Phase Gearmotor
|Singel Phase Gearmotor
|High quality alloy steel machined and carburized with precision tooth grinding or skiving.
|Aluminum alloy casting for model 18. 22. 28 .
Cast iron for model 40.50
|High quality #0 lubrication oil (lubricated when shipped)
|1/3 to 1/1800
|1/10 HP to 5 HP (75W to 3.7KW)
|1/10HP to 3HP (75W to 2.2KW)
|208/415, 220/380, 220/440, 230/460, 240/480
|Total Enclosed Fan Cooled, IP54
|Partially Enclosed Fan Cooled
|Full Voltage Drive On Line
|F Grade continuous S1 Duty
|DC 90-110V with AC220V Rectifier
|DC 90-110V with AC 110V Rectifier
|Under 90% RH (Non-cndensatin)
|Indoor, Below sea level1000m (3.300ft)
Horizontal & Vertical Reduction Gear Motor Foot
Flange mounting, integrated motor
Output Torque Range: 200 – 15000 Nm
Ratio Range: i = 3-200 i = 250-1800
Power Range: 0.1 – 4KW 1/8HP-5HP
Shaft Size : Ø18-50
100% copper coil is used for each motor
in the outer ring of the worm wheel Cast iron in inner ring
Fine workmanship and durability
ZheJiang Craft ,manufal hand-winding,180 ºC F class
High filling ratio ≥ 95%
Gear precision up to Level 6-5
Each gear has been hobbling, heat treatment, CNC grinding
Each batch of gears have been inspected strictly before storage
Description of Model
Q:Are you trading company or manufacture ?
A:We are manu-factory, consist of 3 branch, distributed in East, South and Central of China .
Q: How to choose a gearbox which meets our requirement?
A: You can refer to our catalogue to choose the gearbox or gear motors,or we can help to choose when you provide the technical information ,
such as : Power ,ratio,output torque, output speed and motor parameter etc.
Q: What information shall we give before placing a purchase order?
A: a) Vertical or Horizontal type, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color. c) Purchase quantity. d) Other special requirements.
Q:How long is your delivery time ?what’s your term of payment ?
A:Normally around 2-3 days, the time may vary depending on the order quantity. We accept FOB, CIF price.
Q:How about your paking and export port ?
A:We provide wooden case for machine package.Special requirements is considerable. We support shipping ports: ZheJiang ,Other shipping port is considerable.
Q:What about MOQ?
A:We can accept sample order firstly, so there is no limit for MOQ!
Q:What warranty and after sale service do you offer ?
A:Each product have 1 year(12month) warranty.
|Soft Tooth Surface
|Vertical and Horizontal
|Worm Gear Box
Self-Locking Properties in a Worm Gearbox
Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.
The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.
This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.
However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.
When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.
How to Calculate the Input and Output Speeds of a Worm Gearbox?
Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:
- Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
- Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N2 = N1 / (Z1 * i)
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)
It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
- High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
- Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
- Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
- Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
- Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
editor by CX 2023-10-07