Product Description
R series Helical Geared Motor Characteristics
1. Features:
1. High efficiency: 92%-97%;
2. Compact structure: Small offset output, two stage and three stage are in the same box.
3. High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
4. High interchangeability: highly modular, serial design, strong versatility and interchangeability.
2. Technical parameters
| Ratio | 3.41-289.74 |
| Input power | 0.12-160KW |
| Output torque | 61-23200N.m |
| Output speed | 5-415rpm |
| Mounting type | Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, CHINAMFG flange mounted, Flange-mounted with extended bearing hub |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotch) |
| Mounting Position | M1, M2, M3, M4, M5, M6 |
| Type | R17-R167 |
| Output shaft dis. | 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm |
| Housing material | HT200 high-strength cast iron from R37,47,57,67,77,87 |
| Housing material | HT250 High strength cast iron from R97 107,137,147,157,167,187 |
| Heat treatment technology | carbonitriding and hardening treatment |
| Efficiency | 92%-97% |
| Lubricant | VG220 |
| Protection Class | IP55, F class |
Starshine Drive
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CHINAMFG have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective
measures to prevent recurrence.
4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.
5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the
product is a product inspection to determine the qualified products.
7. Certification.
Packing
Delivery
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| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Step: | Three-Step |
| Type: | Gear Reducer |
| Customization: |
Available
| Customized Request |
|---|
How do spiral gears contribute to reducing noise and vibration?
Spiral gears contribute significantly to reducing noise and vibration in gear systems. Their unique design and characteristics help minimize unwanted sound and vibrations. Here’s how spiral gears achieve noise and vibration reduction:
- Gradual Tooth Engagement: Spiral gears have a helical tooth arrangement, which results in gradual tooth engagement as the gears mesh. Unlike spur gears with instantaneous full tooth contact, the helical teeth of spiral gears gradually come into contact, reducing the impact and shock during gear meshing. This gradual engagement helps to minimize noise and vibration.
- Improved Contact Pattern: The helical tooth profile of spiral gears produces a favorable contact pattern between the teeth. The contact pattern is more evenly distributed across the tooth face compared to spur gears, which reduces stress concentration and potential noise generation. The improved contact pattern contributes to smoother and quieter gear operation.
- Load Distribution: Spiral gears distribute the load over multiple teeth due to their helical shape. This load distribution helps to minimize localized stresses and reduces the risk of tooth breakage or pitting, which can contribute to noise and vibration. By spreading the load across a larger contact area, spiral gears ensure smoother and more stable gear operation.
- Reduced Sliding Friction: The sliding friction between gear teeth can generate noise and vibration. Spiral gears, with their helical tooth profile, exhibit reduced sliding friction compared to spur gears. The sliding motion is distributed along the helical path, resulting in smoother tooth contact and reduced friction-induced noise and vibration.
Collectively, these factors—gradual tooth engagement, improved contact pattern, load distribution, and reduced sliding friction—contribute to the noise and vibration reduction achieved by spiral gears. This makes them particularly suitable for applications where quiet operation and minimal vibration are essential, such as precision machinery, automotive transmissions, and other noise-sensitive environments.
Can spiral gears be used in precision machinery and equipment?
Yes, spiral gears can be used in precision machinery and equipment with excellent results. They offer several advantages that make them well-suited for such applications. Here’s why spiral gears are suitable for precision machinery and equipment:
- Smooth Operation: Spiral gears provide smooth and precise gear operation. The helical tooth arrangement ensures gradual tooth engagement, resulting in reduced impact, vibration, and noise. This smooth operation is crucial in precision machinery where precise movements and low noise levels are required.
- High Load Capacity: Spiral gears have a high load-carrying capacity, allowing them to handle heavy loads encountered in precision machinery. The helical tooth profile distributes the load across multiple teeth, reducing stress concentration. This feature enables spiral gears to transmit torque efficiently and withstand the forces associated with precision applications.
- Efficient Power Transmission: Spiral gears offer efficient power transmission, minimizing energy losses and optimizing overall system efficiency. The helical tooth profile reduces sliding friction, resulting in improved power transmission efficiency. This efficiency is particularly important in precision machinery where energy conservation and high performance are critical.
- Reduced Noise and Vibration: Spiral gears exhibit reduced noise and vibration due to their gradual tooth engagement and improved contact pattern. This feature is highly desirable in precision machinery, where noise reduction is essential for maintaining a quiet working environment and ensuring accurate operation.
- Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears to cancel out axial thrust. This axial thrust compensation simplifies gear design and reduces the need for additional components such as thrust bearings. It is particularly advantageous in precision machinery, where precise axial movement and minimal axial forces are desired.
- Reliability and Durability: Spiral gears are known for their reliability and durability. The gradual tooth engagement, load distribution, and reduced friction contribute to their long-term performance under demanding conditions. Precision machinery requires gears that can withstand continuous use and maintain high precision over time, making spiral gears a suitable choice.
Considering their smooth operation, high load capacity, efficient power transmission, noise reduction, axial thrust compensation, reliability, and durability, spiral gears are well-suited for precision machinery and equipment. They can contribute to the overall performance, accuracy, and longevity of precision systems.
What are spiral gears and how are they used in machinery?
Spiral gears are a type of cylindrical gears with teeth that are curved in a spiral pattern. Unlike straight-cut gears, which have teeth that are parallel to the gear axis, spiral gears have teeth that are angled or helical. This helical tooth arrangement provides several advantages in terms of performance and noise reduction.
Spiral gears are commonly used in machinery for various applications due to the following reasons:
- Smooth and Quiet Operation: The helical tooth arrangement of spiral gears enables gradual tooth engagement, resulting in smoother and quieter operation compared to straight-cut gears. The angled teeth allow for gradual contact, reducing noise and vibration during gear meshing.
- Increased Load Capacity: The helical tooth design of spiral gears distributes the load over multiple teeth, increasing the load-carrying capacity. This makes spiral gears suitable for applications that require high torque transmission and heavy-duty operations.
- Improved Efficiency: The helical tooth arrangement of spiral gears helps in minimizing sliding friction between the teeth. This results in a higher level of efficiency compared to straight-cut gears, as there is reduced power loss due to friction during gear operation.
- Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, which helps in canceling out the axial thrust generated during gear meshing. This feature eliminates the need for additional thrust bearings, simplifying the gear design and reducing complexity.
- Versatility: Spiral gears can be manufactured in various configurations, including spur, helical, and double helical designs. This versatility allows for their application in a wide range of machinery, including automotive systems, industrial equipment, and power transmission systems.
In machinery, spiral gears are commonly used in applications that require smooth operation, high load capacity, and efficient power transmission. Some examples include gearboxes, automotive differentials, machine tools, and heavy-duty industrial machinery.
Overall, the unique tooth geometry of spiral gears makes them a preferred choice in many machinery applications, offering improved performance, reduced noise, and enhanced load-carrying capabilities.
editor by CX 2024-04-15