Product Description
GRH specialized in providing hydraulic components and solutions for hydraulic systems.
With continuous improvement and enthusiasm over the past 30 years, CHINAMFG has developed into an emerging power in the fluid power industry since it was established in 1986.
GRH (ZheJiang ) – International Sales Office
GRH (ZheJiang ) – Manufacturing Facility and Domestic Sales Office
GRH specializes in offering hydraulic components and technology solutions for hydraulic years for more than 30 years, with our establishment way back in 1986.
Our product catalogue is extensive, with our primary products including hydraulic gear pumps and pump valve assemblies, hydraulic power units, proportional valves, monoblock directional control valves, cycloidal speed reducers, hydraulic gear motors and geared flow dividers. We also offer a full line of hydraulic technology and system solutions, connecting our experience with expert staff, ensuring we are able to fully meet an array of customer requirements, with the hydraulic components widely used in industrial machinery, lifting machinery, construction machinery, agricultural equipment and other industrial applications.GRH covers an area of 120,000m2, employs over 300 staff and annually produces more than 1 million hydraulic components sold to more than 100 countries around the world.
Following ISO9000/TS16949 quality management system standards, CHINAMFG uses ERP production management systems to provide high quality hydraulic products for customers. To purse advanced technology, CHINAMFG is equipped with 305 sets of various machining centers and equipment, including a German high speed cutting center, American honing machine, special CHINAMFG boring machine and more. Strict processes and management keep the assembly process always under control. All the delivered products will be 100% tested and inspectors conduct sampling inspection according to international standards. Strict control over time, pressure, temperature, flow, stroke and other parameters ensures the quality stability and reliability of outgoing products.Advanced technologies, reliable quality and performance, and a meticulous service spirit allow CHINAMFG to be highly recognized by CHINAMFG customers.
Production description
GRH specialized in providing hydraulic components and solutions for hydraulic systems.
With continuous improvement and enthusiasm over the past 30 years, CHINAMFG has developed into an emerging power in the fluid power industry since it was established in 1986.
GRH (ZheJiang ) – International Sales Office
GRH (ZheJiang ) – Manufacturing Facility and Domestic Sales Office
About Us
Our product catalogue is extensive, with our primary products including hydraulic gear pumps and pump valve assemblies, hydraulic power units, proportional valves, monoblock directional control valves, cycloidal speed reducers, hydraulic gear motors and geared flow dividers. We also offer a full line of hydraulic technology and system solutions, connecting our experience with expert staff, ensuring we are able to fully meet an array of customer requirements, with the hydraulic components widely used in industrial machinery, lifting machinery, construction machinery, agricultural equipment and other industrial applications.
GRH covers an area of 120,000m2, employs over 300 staff and annually produces more than 1 million hydraulic components sold to more than 100 countries around the world. Following ISO9000/TS16949 quality management system standards, CHINAMFG uses ERP production management systems to provide high quality hydraulic products for customers. To purse advanced technology, CHINAMFG is equipped with 305 sets of various machining centers and equipment, including a German high speed cutting center, American honing machine, special CHINAMFG boring machine and more. Strict processes and management keep the assembly process always under control. All the delivered products will be 100% tested and inspectors conduct sampling inspection according to international standards. Strict control over time, pressure, temperature, flow, stroke and other parameters ensures the quality stability and reliability of outgoing products.
Advanced technologies, reliable quality and performance, and a meticulous service spirit allow CHINAMFG to be highly recognized by CHINAMFG customers.
Production description
Company Information
GRH specializes in offering hydraulic components and technology solutions for hydraulic years for more than 30 years, with our establishment way back in 1986.
Our product catalogue is extensive, with our primary products including hydraulic gear pumps and pump valve assemblies, hydraulic power units, proportional valves, monoblock directional control valves, cycloidal speed reducers, hydraulic gear motors and geared flow dividers. We also offer a full line of hydraulic technology and system solutions, connecting our experience with expert staff, ensuring we are able to fully meet an array of customer requirements, with the hydraulic components widely used in industrial machinery, lifting machinery, construction machinery, agricultural equipment and other industrial applications.GRH covers an area of 120,000m2, employs over 300 staff and annually produces more than 1 million hydraulic components sold to more than 100 countries around the world.
Following ISO9000/TS16949 quality management system standards, CHINAMFG uses ERP production management systems to provide high quality hydraulic products for customers. To purse advanced technology, CHINAMFG is equipped with 305 sets of various machining centers and equipment, including a German high speed cutting center, American honing machine, special CHINAMFG boring machine and more. Strict processes and management keep the assembly process always under control. All the delivered products will be 100% tested and inspectors conduct sampling inspection according to international standards. Strict control over time, pressure, temperature, flow, stroke and other parameters ensures the quality stability and reliability of outgoing products.Advanced technologies, reliable quality and performance, and a meticulous service spirit allow CHINAMFG to be highly recognized by CHINAMFG customers.
Certifications
Customer Photos
Packaging & Shipping
Varies ways of packing for excavator attachments, you have most volume saved with Nude Pack, easier loading and unloading with Pallet and Frame pack, stacking high for small excavator bucket or other attachments with Frame Pack. While just as much as merits, each way of packing has its demerits. Pack and Frame Pack allows minimum scrathing of paint, but less loading.
FAQ
Q: what’s your advantages? A: Factory established in 1986; With a great deal of production experience; 370 employees become the professional team; Constant updated ERP system ensure efficiency of work; Sophisticated equipment ehanced the accuracy of products; Professional salesmen provide the greast service; With a large number of famous customers all over the world; Great after-sales service; With the long term cooperation with famous logistics and express company in China,provide the better goods service.
Q: What is your payment terms? A: Small order/sample order,full payment in advance; full order,30% deposit and the balance before shippment. Q: Can you make my own brand on the products? A: Of course we can.
Q: What Is Our Main Export Market? A: America(45.5%):USA, Canada, Argentina, Brazil Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland. Asia(18.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon. Others(5.8%).
The competitive advantage of product line:
Production capacity:
| Product Line Name | Production Line Capacity | Actual Units Produced(Previous Year) |
|---|---|---|
| Gear Pump,Hydraulic Motor/Hydraulic Control Valve/Hydraulic Power Unit |
Export Market Distribution:
| Market | Revenue(Previous Year) | Total Revenue (%) |
|---|---|---|
| North America | 0 | 60 |
| South America | 0 | 10 |
| Eastern Europe | 0 | 10 |
| South Asia | 0 | 10 |
| Domestic Market | 0 | 10 |
Testing Machinery:
| Machine Name | Brand & Model No. | Quantity | Number of Year(s) Used | Condition |
|---|---|---|---|---|
| Three-coordinates Measuring Machine | CRYSTA-AS574 | 1 | 7 | acceptable |
| Horizontal Machining Center | Horizontal Machining Center | 5 | 7 | acceptable |
| Heat Energy Deburring Machine | ITBM400 | 1 | 7 | acceptable |
| Vertical Grinding Machine | O325-14LB | 1 | 6 | acceptable |
| CNC Lathe | GS200PLVS | 36 | 9 | acceptable |
| Semi-automatic Gear Machine | YB3150E | 5 | 6 | acceptable |
| Sonicleaning Machine | N/A | 2 | 6 | acceptable |
| Spray Painting Line | N/A | 1 | 6 | acceptable |
| Heat Treating Machine | N/A | 5 | 7 | acceptable |
Short lead time:
| Products Name | Order(in the last 12month) | Shortest Lead Time |
|---|---|---|
| Gear Pump; Hydraulic Motor; Hydraulic Control Valve; Hydraulic Power Unit | 6 Pcs | 40 Days |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | CE, ISO9001 |
|---|---|
| Excitation Mode: | None |
| Power Rating: | None |
| Casing Protection: | Cast Iron |
| Number of Poles: | 0 |
| Speed: | High Speed |
| Samples: |
US$ 65/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
What types of feedback mechanisms are commonly integrated into gear motors for control?
Gear motors often incorporate feedback mechanisms to provide control and improve their performance. These feedback mechanisms enable the motor to monitor and adjust its operation based on various parameters. Here are some commonly integrated feedback mechanisms in gear motors:
1. Encoder Feedback:
An encoder is a device that provides position and speed feedback by converting the motor’s mechanical motion into electrical signals. Encoders commonly used in gear motors include:
- Incremental Encoders: These encoders provide information about the motor’s shaft position and speed relative to a reference point. They generate pulses as the motor rotates, allowing precise measurement of position and speed changes.
- Absolute Encoders: Absolute encoders provide the precise position of the motor’s shaft within a full revolution. They do not require a reference point and provide accurate feedback even after power loss or motor restart.
2. Hall Effect Sensors:
Hall effect sensors use the principle of the Hall effect to detect the presence and strength of a magnetic field. They are commonly used in gear motors for speed and position sensing. Hall effect sensors provide feedback by detecting changes in the motor’s magnetic field and converting them into electrical signals.
3. Current Sensors:
Current sensors monitor the electrical current flowing through the motor’s windings. By measuring the current, these sensors provide feedback regarding the motor’s torque, load conditions, and power consumption. Current sensors are essential for motor control strategies such as current limiting, overcurrent protection, and closed-loop control.
4. Temperature Sensors:
Temperature sensors are integrated into gear motors to monitor the motor’s temperature. They provide feedback on the motor’s thermal conditions, allowing the control system to adjust the motor’s operation to prevent overheating. Temperature sensors are crucial for ensuring the motor’s reliability and preventing damage due to excessive heat.
5. Hall Effect Limit Switches:
Hall effect limit switches are used to detect the presence or absence of a magnetic field within a specific range. They are commonly employed as end-of-travel or limit switches in gear motors. Hall effect limit switches provide feedback to the control system, indicating when the motor has reached a specific position or when it has moved beyond the allowed range.
6. Resolver Feedback:
A resolver is an electromagnetic device used to determine the position and speed of a rotating shaft. It provides feedback by generating sine and cosine signals that correspond to the shaft’s angular position. Resolver feedback is commonly used in high-performance gear motors requiring accurate position and speed control.
These feedback mechanisms, when integrated into gear motors, enable precise control, monitoring, and adjustment of various motor parameters. By utilizing feedback signals from encoders, Hall effect sensors, current sensors, temperature sensors, limit switches, or resolvers, the control system can optimize the motor’s performance, ensure accurate positioning, maintain speed control, and protect the motor from excessive loads or overheating.
Are there environmental benefits to using gear motors in certain applications?
Yes, there are several environmental benefits associated with the use of gear motors in certain applications. Gear motors offer advantages that can contribute to increased energy efficiency, reduced resource consumption, and lower environmental impact. Here’s a detailed explanation of the environmental benefits of using gear motors:
1. Energy Efficiency:
Gear motors can improve energy efficiency in various ways:
- Torque Conversion: Gear reduction allows gear motors to deliver higher torque output while operating at lower speeds. This enables the motor to perform tasks that require high torque, such as lifting heavy loads or driving machinery with high inertia, more efficiently. By matching the motor’s power characteristics to the load requirements, gear motors can operate closer to their peak efficiency, minimizing energy waste.
- Controlled Speed: Gear reduction provides finer control over the motor’s rotational speed. This allows for more precise speed regulation, reducing the likelihood of energy overconsumption and optimizing energy usage.
2. Reduced Resource Consumption:
The use of gear motors can lead to reduced resource consumption and environmental impact:
- Smaller Motor Size: Gear reduction allows gear motors to deliver higher torque with smaller, more compact motors. This reduction in motor size translates to reduced material and resource requirements during manufacturing. It also enables the use of smaller and lighter equipment, which can contribute to energy savings during operation and transportation.
- Extended Motor Lifespan: The gear mechanism in gear motors helps reduce the load and stress on the motor itself. By distributing the load more evenly, gear motors can help extend the lifespan of the motor, reducing the need for frequent replacements and the associated resource consumption.
3. Noise Reduction:
Gear motors can contribute to a quieter and more environmentally friendly working environment:
- Noise Dampening: Gear reduction can help reduce the noise generated by the motor. The gear mechanism acts as a noise dampener, absorbing and dispersing vibrations and reducing overall noise emission. This is particularly beneficial in applications where noise reduction is important, such as residential areas, offices, or noise-sensitive environments.
4. Precision and Control:
Gear motors offer enhanced precision and control, which can lead to environmental benefits:
- Precise Positioning: Gear motors, especially stepper motors and servo motors, provide precise positioning capabilities. This accuracy allows for more efficient use of resources, minimizing waste and optimizing the performance of machinery or systems.
- Optimized Control: Gear motors enable precise control over speed, torque, and movement. This control allows for better optimization of processes, reducing energy consumption and minimizing unnecessary wear and tear on equipment.
In summary, using gear motors in certain applications can have significant environmental benefits. Gear motors offer improved energy efficiency, reduced resource consumption, noise reduction, and enhanced precision and control. These advantages contribute to lower energy consumption, reduced environmental impact, and a more sustainable approach to power transmission and control. When selecting motor systems for specific applications, considering the environmental benefits of gear motors can help promote energy efficiency and sustainability.
What are the different types of gears used in gear motors, and how do they impact performance?
Various types of gears are used in gear motors, each with its unique characteristics and impact on performance. The choice of gear type depends on the specific requirements of the application, including torque, speed, efficiency, noise level, and space constraints. Here’s a detailed explanation of the different types of gears used in gear motors and their impact on performance:
1. Spur Gears:
Spur gears are the most common type of gears used in gear motors. They have straight teeth that are parallel to the gear’s axis and mesh with another spur gear to transmit power. Spur gears provide high efficiency, reliable operation, and cost-effectiveness. However, they can generate significant noise due to the meshing of teeth, and they may produce axial thrust forces. Spur gears are suitable for applications that require high torque transmission and moderate to high rotational speeds.
2. Helical Gears:
Helical gears have angled teeth that are cut at an angle to the gear’s axis. This helical tooth configuration enables gradual engagement and smoother tooth contact, resulting in reduced noise and vibration compared to spur gears. Helical gears provide higher load-carrying capacity and are suitable for applications that require high torque transmission and moderate to high rotational speeds. They are commonly used in gear motors where low noise operation is desired, such as in automotive applications and industrial machinery.
3. Bevel Gears:
Bevel gears have teeth that are cut on a conical surface. They are used to transmit power between intersecting shafts, usually at right angles. Bevel gears can have straight teeth (straight bevel gears) or curved teeth (spiral bevel gears). These gears provide efficient power transmission and precise motion control in applications where shafts need to change direction. Bevel gears are commonly used in gear motors for applications such as steering systems, machine tools, and printing presses.
4. Worm Gears:
Worm gears consist of a worm (a type of screw) and a mating gear called a worm wheel or worm gear. The worm has a helical thread that meshes with the worm wheel, resulting in a compact and high gear reduction ratio. Worm gears provide high torque transmission, low noise operation, and self-locking properties, which prevent reverse motion. They are commonly used in gear motors for applications that require high gear reduction and locking capabilities, such as in lifting mechanisms, conveyor systems, and machine tools.
5. Planetary Gears:
Planetary gears, also known as epicyclic gears, consist of a central sun gear, multiple planet gears, and an outer ring gear. The planet gears mesh with both the sun gear and the ring gear, creating a compact and efficient gear system. Planetary gears offer high torque transmission, high gear reduction ratios, and excellent load distribution. They are commonly used in gear motors for applications that require high torque and compact size, such as in robotics, automotive transmissions, and industrial machinery.
6. Rack and Pinion:
Rack and pinion gears consist of a linear rack (a straight toothed bar) and a pinion gear (a spur gear with a small diameter). The pinion gear meshes with the rack to convert rotary motion into linear motion or vice versa. Rack and pinion gears provide precise linear motion control and are commonly used in gear motors for applications such as linear actuators, CNC machines, and steering systems.
The choice of gear type in a gear motor depends on factors such as the desired torque, speed, efficiency, noise level, and space constraints. Each type of gear offers specific advantages and impacts the performance of the gear motor differently. By selecting the appropriate gear type, gear motors can be optimized for their intended applications, ensuring efficient and reliable power transmission.
editor by CX 2024-04-23