Product Description
Technical Parameter
| Housing material | HT200 high-strength cast iron(EWR37, EWR47, EWR57, EWR67, EWR77, EWR87) |
| Housing material | HT250 High strength cast iron(EWR97, EWR 107, EWR137, EWR147, EWR167) |
| Gear material | 20CrMnTi |
| Gear Surface&hardness | HRC58°-62° |
| Gear core hardness | HRC33°-78° |
| Input/Output shaft material | 40Cr |
| Gear Machining precision | Accurate grinding 6-5 grade |
| Heat treatment | Carburizing, Quenching etc |
| Efficiency | Up to 92% |
| Noise(Max) | 60-67dB |
| Installation type | Foot mounted, flange mounted |
| Output type | Solid shaft |
| Bearing brand | NSK, SKF, HRB, ZWZ etc |
| Oil seal brand | NAK, KSK etc |
| Lubricant | VG220 |
| Motor | IP55, F class |
| Motor shaft | 40Cr, Carburizing, Quenching etc |
| Warranty | 12months |
| Color | Blue, Grey |
| Model | EWR37 | EWR47 | EWR57 | EWR67 | EWR77 | EWR87 | EWR97 | EWR107 | EWR137 | EWR147 | EWR167 |
| Weight | 9 | 14 | 24 | 27 | 33 | 60 | 110 | 150 | 255 | 365 | 615 |
| Shaft Ф | 25mm | 30mm | 35mm | 35mm | 40mm | 50mm | 60mm | 70mm | 90mm | 110mm | 120mm |
Packing
Features
♦Specially designed for agitator.
♦Compact structure, Integrated casting housing, low noise and long service life.
♦High efficiency and low maintenance.
Design
♦ Reducing Ratio: 2 stage 5~24.8, 3 stage 27.2~264, EWR/EWR combination type can be up to 18125.
♦ Mounting Type: Foot mounted, Flange mounted.
♦ Output Shaft: CHINAMFG shaft.
♦ Efficiency: Two-stage96%, three-stage 94%, and combination of EWR/EWR85%.
Technical Data
♦Size EWR37-EWR167
♦ Output Torque 130~18000N. M
♦ Motor Power 0.18~160kw
♦ Ratio 5~264(imax: 18125)
Industrial Application
♦Power Plant Equipment
♦Metallurgical Industry
♦Metal Forming Machinery
♦Petrochemical Industry
♦Mining Machine
♦Hoisting Machinery
♦Construction Industry
♦Environmental Protection Industry
♦Cable Industry
♦Food Machinery
Certificates
Passed ” ISO 9001 International Quality System Certificate”, “Europe CE Certificate”, ” Swiss SGS Certificate”, “High-tech enterprise certificate of ZheJiang city”, “Excellent performance management enterprise of ZheJiang city”, etc.
FAQ
1. Q: Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
2. Q: Are you a factory or trading company?
A. We are manufacturer in ZheJiang China.
3. Q: What’s your MOQ?
A: One piece.
4. Q: What’s your production time?
A: 7-15 working days after receiving payment.
5. Q: What’s your payment terms?
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping.
6. Q: What’s your package?
A: In wooden box packaging.
Company information
ZheJiang CHINAMFG Gear Reducer Co., Ltd. We are professional manufacturer of the helical gear reducers and specialize in the gear reducers area in China for 20 years. CHINAMFG has excellent R&D team, top-ranking production and test equipment. So we have the strong power in the developing and manufacturing the standards type as well as the customized type gear reducer for our customers. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Helical Gear |
| Step: | Three-Step |
| Customization: | Available |
|
|---|
Are gear motors suitable for both heavy-duty industrial applications and smaller-scale uses?
Yes, gear motors are suitable for both heavy-duty industrial applications and smaller-scale uses. Their versatility and ability to provide torque multiplication make them valuable in a wide range of applications. Here’s a detailed explanation of why gear motors are suitable for both types of applications:
1. Heavy-Duty Industrial Applications:
Gear motors are commonly used in heavy-duty industrial applications due to their robustness and ability to handle high loads. Here are the reasons why they are suitable for such applications:
- Torque Multiplication: Gear motors are designed to provide high torque output, making them ideal for applications that require substantial force to move or operate heavy machinery, conveyors, or equipment.
- Load Handling: Industrial settings often involve heavy loads and demanding operating conditions. Gear motors, with their ability to handle high loads, are well-suited for tasks such as lifting, pulling, pushing, or driving heavy materials or equipment.
- Durability: Heavy-duty industrial applications require components that can withstand harsh environments, frequent use, and demanding operating conditions. Gear motors are typically constructed with durable materials and designed to withstand heavy vibrations, shock loads, and temperature variations.
- Speed Reduction: Many industrial processes require the reduction of motor speed to achieve the desired output speed. Gear motors offer precise speed reduction capabilities through gear ratios, allowing for optimal control and operation of machinery and equipment.
2. Smaller-Scale Uses:
While gear motors excel in heavy-duty industrial applications, they are also suitable for smaller-scale uses across various industries and applications. Here’s why gear motors are well-suited for smaller-scale uses:
- Compact Size: Gear motors are available in compact sizes, making them suitable for applications with limited space or small-scale machinery, devices, or appliances.
- Torque and Power Control: Even in smaller-scale applications, there may be a need for torque multiplication or precise power control. Gear motors can provide the necessary torque and power output for tasks such as precise positioning, controlling speed, or driving small loads.
- Versatility: Gear motors come in various configurations, such as parallel shaft, planetary, or worm gear designs, offering flexibility to match specific requirements. They can be adapted to different applications, including robotics, medical devices, automotive systems, home automation, and more.
- Efficiency: Gear motors are designed to be efficient, converting the electrical input power into mechanical output power with minimal losses. This efficiency is advantageous for smaller-scale applications where energy conservation and battery life are critical.
Overall, gear motors are highly versatile and suitable for both heavy-duty industrial applications and smaller-scale uses. Their ability to provide torque multiplication, handle high loads, offer precise speed control, and accommodate various sizes and configurations makes them a reliable choice in a wide range of applications. Whether it’s powering large industrial machinery or driving small-scale automation systems, gear motors provide the necessary torque, control, and durability required for efficient operation.
Can you explain the role of backlash in gear motors and how it’s managed in design?
Backlash plays a significant role in gear motors and is an important consideration in their design and operation. Backlash refers to the slight clearance or play between the teeth of gears in a gear system. It affects the precision, accuracy, and responsiveness of the gear motor. Here’s an explanation of the role of backlash in gear motors and how it is managed in design:
1. Role of Backlash:
Backlash in gear motors can have both positive and negative effects:
- Compensation for Misalignment: Backlash can help compensate for minor misalignments between gears, shafts, or the load. It allows a small amount of movement before engaging the next set of teeth, reducing the risk of damage due to misalignment. This can be particularly beneficial in applications where precise alignment is challenging or subject to variations.
- Negative Impact on Accuracy and Responsiveness: Backlash can introduce a delay or “dead zone” in the motion transmission. When changing the direction of rotation or reversing the load, the gear teeth must first overcome the clearance or play before engaging in the opposite direction. This delay can reduce the overall accuracy, responsiveness, and repeatability of the gear motor, especially in applications that require precise positioning or rapid changes in direction or speed.
2. Managing Backlash in Design:
Designers employ various techniques to manage and minimize backlash in gear motors:
- Tight Manufacturing Tolerances: Proper manufacturing techniques and tight tolerances can help minimize backlash. Precision machining and quality control during the production of gears and gear components ensure closer tolerances, reducing the amount of play between gear teeth.
- Preload or Pre-tensioning: Applying a preload or pre-tensioning force to the gear system can help reduce backlash. This technique involves introducing an initial force or tension that eliminates the clearance between gear teeth. It ensures immediate contact and engagement of the gear teeth, minimizing the dead zone and improving the overall responsiveness and accuracy of the gear motor.
- Anti-Backlash Gears: Anti-backlash gears are designed specifically to minimize or eliminate backlash. They typically feature modifications to the gear tooth profile, such as modified tooth shapes or special tooth arrangements, to reduce clearance. Anti-backlash gears can be used in gear motor designs to improve precision and minimize the effects of backlash.
- Backlash Compensation: In some cases, backlash compensation techniques can be employed. These techniques involve monitoring the position or movement of the load and applying control algorithms to compensate for the backlash. By accounting for the clearance and adjusting the control signals accordingly, the effects of backlash can be mitigated, improving accuracy and responsiveness.
3. Application-Specific Considerations:
The management of backlash in gear motors should be tailored to the specific application requirements:
- Positioning Accuracy: Applications that require precise positioning, such as robotics or CNC machines, may require tighter backlash control to ensure accurate and repeatable movements.
- Dynamic Response: Applications that involve rapid changes in direction or speed, such as high-speed automation or servo control systems, may require reduced backlash to maintain responsiveness and minimize overshoot or lag.
- Load Characteristics: The nature of the load and its impact on the gear system should be considered. Heavy loads or applications with significant inertial forces may require additional backlash management techniques to maintain stability and accuracy.
In summary, backlash in gear motors can affect precision, accuracy, and responsiveness. While it can compensate for misalignments, backlash may introduce delays and reduce the overall performance of the gear motor. Designers manage backlash through tight manufacturing tolerances, preload techniques, anti-backlash gears, and backlash compensation methods. The management of backlash depends on the specific application requirements, considering factors such as positioning accuracy, dynamic response, and load characteristics.
How does the gearing mechanism in a gear motor contribute to torque and speed control?
The gearing mechanism in a gear motor plays a crucial role in controlling torque and speed. By utilizing different gear ratios and configurations, the gearing mechanism allows for precise manipulation of these parameters. Here’s a detailed explanation of how the gearing mechanism contributes to torque and speed control in a gear motor:
The gearing mechanism consists of multiple gears with varying sizes, tooth configurations, and arrangements. Each gear in the system engages with another gear, creating a mechanical connection. When the motor rotates, it drives the rotation of the first gear, which then transfers the motion to subsequent gears, ultimately resulting in the output shaft’s rotation.
Torque Control:
The gearing mechanism in a gear motor enables torque control through the principle of mechanical advantage. The gear system utilizes gears with different numbers of teeth, known as gear ratio, to adjust the torque output. When a smaller gear (pinion) engages with a larger gear (gear), the pinion rotates faster than the gear but exerts more force or torque. This results in torque amplification, allowing the gear motor to deliver higher torque at the output shaft while reducing the rotational speed. Conversely, if a larger gear engages with a smaller gear, torque reduction occurs, resulting in higher rotational speed at the output shaft.
By selecting the appropriate gear ratio, the gearing mechanism effectively adjusts the torque output of the gear motor to match the requirements of the application. This torque control capability is essential in applications that demand high torque for heavy lifting or overcoming resistance, as well as applications that require lower torque but higher rotational speed.
Speed Control:
The gearing mechanism also contributes to speed control in a gear motor. The gear ratio determines the relationship between the rotational speed of the input shaft (driven by the motor) and the output shaft. When a gear motor has a higher gear ratio (more teeth on the driven gear compared to the driving gear), it reduces the output speed while increasing the torque. Conversely, a lower gear ratio increases the output speed while reducing the torque.
By choosing the appropriate gear ratio, the gearing mechanism allows for precise speed control in a gear motor. This is particularly useful in applications that require specific speed ranges or variations, such as conveyor systems, robotic movements, or machinery that needs to operate at different speeds for different tasks. The speed control capability of the gearing mechanism enables the gear motor to match the desired speed requirements of the application accurately.
In summary, the gearing mechanism in a gear motor contributes to torque and speed control by utilizing different gear ratios and configurations. It enables torque amplification or reduction, depending on the gear arrangement, allowing the gear motor to deliver the required torque output. Additionally, the gear ratio also determines the relationship between the rotational speed of the input and output shafts, providing precise speed control. These torque and speed control capabilities make gear motors versatile and suitable for a wide range of applications in various industries.
editor by CX 2024-02-15