Product Description
Features:
1.Made of high quality aluminium alloy gear reducer,die-cast,non-rusting,convenient to be mounted with worm gearboxes & motors as as to achieve the required speed ratio.
2.Fitting the pre-stage helical module on the main reduction unit is easily done as for any motor of type B14.
3.The PC construction is modular and therefore it can be as a separte unit mounted on any type of fitted geared motor(PAM).
Technical data:
1.Four types manufactured:PC063,PC071,PC080,PC090
2.Speed ratio range:1:2.43—1:3
3.Model: PC063/PC071/PC080/PC090
Quality control
(1) Quality guarantee: 1 year
(2) Certificate of quality: ISO9001:2000
(3) Every product must be tested before sending
Model & Mark : PC 080-SMRV075-90 E F1 AZ B3
| PC | Helical pre-stage unit |
| 080 | Frame size |
| SMRV | Code of worm gear speed reducer |
| 075 | Distance between the centers of worm and worm gear |
| 90 | Speed ratio of worm gear speed reducer |
| E | Double extension worm shaft,no mark means single extension worm shaft |
| F1 | Output flange,no mark means without output flange |
| AZ | “AZ” means bidirectional output shaft, “GZ”means unilateral output shaft and no mark means hole output. |
| B3 | Installation position code |
Note recommendations
To install the reduction unit it is necessary tonote the following recommendations:
1. Check the correct direction of rotation of thereduction unit output shaft before fitting the unit tothe machine.
2. Before mount with the prime moveanddevice,please check the reducers every axiadiameter, aperture,key and key slot,
to be theirdimensions are not deviation, and avoidassembaurtoo tight or too loose, unless it wilinfluence the reducer’s performance.
3. The mounting on the machine must be stableto avoid anv vibration.
4.Whenever possible,protect the reductiorunit against solar radiation and bad weather.
5.In the case of particularly lengthy periods ofstorage (4-6 months), if the oil seal is not immersedin the lubricant inside the unit.
It is recommended tochange it since the rubber could stick to the shaft ormay even have lost the elasticity it needs to functionproperly.
6.Painting must definitely not go over rubberparts and the holes on the breather plugs, if any.
7.When connect with hollow or CHINAMFG shaftplease grease the joint to avoid lock or oxidation.
8.Check the correct level of the lubricantthrough the indicator, if there is one.
9. Starting must take place gradually, withoutimmediately applying the maximum load
10. Supporting unit is required when usingvarious of reducer matched with motor directiy andthe wsight of motor is a little bigger than common.
11 .Ensure the motor cools correctly byassuring good passage of air from the fan side.
12. In the case of ambient temperatures+40°C call the Technical Service.
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| Hardness: | Hardened |
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| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Double Helical Gear |
| Samples: |
US$ 45/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can worm gears be used in precision manufacturing equipment?
Yes, worm gears can be used in precision manufacturing equipment. Here’s a detailed explanation of their use in precision manufacturing:
1. Precision Motion Control: Worm gears can provide precise motion control in manufacturing equipment. Their design allows for high gear ratios, which enables fine adjustments and precise positioning. This is particularly useful in applications where accurate and repeatable movement is required, such as CNC machines, robotic arms, and coordinate measuring machines (CMMs).
2. Load Holding and Backdriving Prevention: Worm gears have a self-locking characteristic, meaning they can hold loads in position without the need for additional brakes or clutches. This feature is advantageous in precision manufacturing equipment where holding a position is critical. The self-locking property also helps prevent backdriving, ensuring stability and accuracy during operation.
3. Compact Design: Worm gears have a compact design, which can be beneficial in space-constrained manufacturing equipment. Their worm and worm wheel configuration allows for a compact footprint, making them suitable for applications where size limitations exist.
4. High Torque Transmission: Worm gears can transmit high torque, making them suitable for heavy-duty precision manufacturing equipment. The meshing of the worm and worm wheel generates a large contact area, enabling efficient power transfer and load handling capabilities.
5. Reduced Noise and Vibration: Worm gears operate with a sliding motion rather than a rolling motion, resulting in reduced noise and vibration levels. This characteristic is advantageous in precision manufacturing equipment, as it helps maintain a quieter working environment and minimizes potential disturbances that could affect the precision of the manufacturing process.
6. Lubrication and Maintenance: Proper lubrication is crucial for the efficient and reliable operation of worm gears in precision manufacturing equipment. Lubricants help reduce friction and wear between the gear teeth, ensuring smooth and accurate motion. Regular maintenance and lubrication schedules should be followed to optimize gear performance and extend their service life.
While worm gears offer several advantages in precision manufacturing equipment, it’s important to consider the specific requirements of the application. Factors such as gear ratio, efficiency, backlash, and operating conditions should be carefully evaluated to ensure that worm gears are the appropriate choice for achieving the desired precision and performance.
Overall, worm gears can be successfully utilized in precision manufacturing equipment, providing precise motion control, load holding capabilities, compactness, and high torque transmission. When properly selected, installed, and maintained, worm gears can contribute to the accuracy, reliability, and efficiency of precision manufacturing processes.
How do you ensure proper alignment when connecting a worm gear?
Ensuring proper alignment when connecting a worm gear is crucial for the smooth and efficient operation of the gear system. Here’s a detailed explanation of the steps involved in achieving proper alignment:
- Pre-alignment preparation: Before connecting the worm gear, it is essential to prepare the components for alignment. This includes cleaning the mating surfaces of the gear and shaft, removing any debris or contaminants, and inspecting for any signs of damage or wear that could affect the alignment process.
- Measurement and analysis: Accurate measurement and analysis of the gear and shaft alignment are essential for achieving proper alignment. This typically involves using precision alignment tools such as dial indicators, laser alignment systems, or optical alignment instruments. These tools help measure the relative positions and angles of the gear and shaft and identify any misalignment.
- Adjustment of mounting surfaces: Based on the measurement results, adjustments may be required to align the mounting surfaces of the gear and shaft. This can involve shimming or machining the mounting surfaces to achieve the desired alignment. Care should be taken to ensure that the adjustments are made evenly and symmetrically to maintain the integrity of the gear system.
- Alignment correction: Once the mounting surfaces are prepared, the gear and shaft can be connected. During this process, it is important to carefully align the gear and shaft to minimize misalignment. This can be done by observing the alignment readings and making incremental adjustments as necessary. The specific adjustment method may vary depending on the type of coupling used to connect the gear and shaft (e.g., keyway, spline, or flange coupling).
- Verification and final adjustment: After connecting the gear and shaft, it is crucial to verify the alignment once again. This involves re-measuring the alignment using the alignment tools to ensure that the desired alignment specifications have been achieved. If any deviations are detected, final adjustments can be made to fine-tune the alignment until the desired readings are obtained.
- Secure fastening: Once the proper alignment is achieved, the gear and shaft should be securely fastened using appropriate fasteners and tightening procedures. It is important to follow the manufacturer’s recommendations for torque values and tightening sequences to ensure proper clamping force and prevent any loosening or slippage.
It is worth noting that the alignment process may vary depending on the specific gear system, coupling type, and alignment tools available. Additionally, it is important to refer to the manufacturer’s guidelines and specifications for the particular gear and coupling being used, as they may provide specific instructions or requirements for alignment.
Proper alignment should not be considered a one-time task but an ongoing maintenance practice. Regular inspections and realignment checks should be performed periodically or whenever there are indications of misalignment, such as abnormal noise, vibration, or accelerated wear. By ensuring proper alignment during the initial connection and maintaining it throughout the gear’s operational life, the gear system can operate optimally, minimize wear, and extend its service life.
What is the purpose of a self-locking feature in a worm gear?
A self-locking feature in a worm gear serves the purpose of preventing reverse motion or backdriving of the gear system. When a worm gear is self-locking, it means that the worm can rotate the worm wheel, but the reverse action is hindered or restricted, providing a mechanical holding or braking capability. This self-locking feature offers several advantages and is utilized in various applications. Here are the key purposes of the self-locking feature:
- Mechanical Holding: The self-locking capability of a worm gear allows it to hold a specific position or prevent unintended movement when the worm is not actively driving the system. This is particularly useful in applications where it is necessary to maintain a fixed position or prevent the gear from rotating due to external forces or vibrations. Examples include elevators, lifts, and positioning systems.
- Backdriving Prevention: The self-locking feature prevents the worm wheel from driving the worm in the reverse direction. This is advantageous in applications where it is crucial to prevent a load or external force from causing the gear to rotate backward. For instance, in a lifting mechanism, the self-locking feature ensures that the load remains suspended without requiring continuous power input.
- Enhanced Safety: The self-locking property of a worm gear contributes to safety in certain applications. By preventing unintended or undesired motion, it helps maintain stability and reduces the risk of accidents or uncontrolled movement. This is particularly important in scenarios where human safety or the integrity of the system is at stake, such as in heavy machinery or critical infrastructure.
It’s important to note that not all worm gears are self-locking. The self-locking characteristic depends on the design parameters, specifically the helix angle of the worm’s thread. A higher helix angle increases the self-locking tendency, while a lower helix angle reduces or eliminates the self-locking effect. Therefore, when selecting a worm gear for an application that requires the self-locking feature, it is essential to consider the specific design parameters and ensure that the gear meets the necessary requirements.
editor by CX 2024-04-10