Diaphragm Coupling Shaft Coupling (JMI)
JM Series Diaphragm Coupling of flexible metal flexible coupling, which rely on the metal diaphragm to transmit torque from the main connection, motivation, has the advantages of elastic damping and no lubrication, no noise, is an ideal product for replacing the gear coupling and coupling current. It can compensate the axial, radial and angular deviation caused by the manufacturing error, installation error, bearing deformation and the change of temperature rise.
The main characteristics of JM Series Diaphragm Coupling:
1.Compensation 2 axis misalignment of the ability, and tooth type coupling can be much more than a double angle displacement, radial displacement of the small, flexible, allowing a certain axial, radial and angular displacement.
2. Obvious damping effect, no noise, no wear and tear.
3.High transmission efficiency, up to 99.86%. Especially suitable for medium and high speed high power transmission.
4.Adapt to high temperature (-80+300) and harsh environment, and can be in shock, vibration, safety and dynamic conditions.
5.Simple structure, light weight, small size, convenient assembly and disassembly. Without moving the machine can be disassembled (with intermediate type), no need of lubrication.
6.Accurately convey the rotational speed, the operation has not turned bad, can be used for the transmission of precision machinery.
JM series diaphragm flexible coupling is widely used in machinery and equipment industry, metallurgy, mines, petroleum, chemical, electric power, shipbuilding, lifting transport, textile, light industry, agricultural machinery, printing machinery and water pump, fan, etc. in the transmission of power machine.
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2. Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping
3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.
5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.
Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all customers with customized PDF or AI format artwork.
Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle, when you make the bulk order the cost of the sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.
Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
Q 9: What’s your payment?
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
Fluid Coupling and Smooth Power Transmission during Starting and Stopping
A fluid coupling is designed to facilitate smooth power transmission during the starting and stopping phases of machinery and equipment. It achieves this by utilizing the principle of hydrodynamic torque transmission through a fluid medium.
Starting Phase: When power is initially supplied to the input shaft of the fluid coupling, the impeller (also known as the pump) begins to rotate, imparting energy to the fluid inside the coupling. As the fluid gains kinetic energy, it starts moving outward towards the turbine (also called the driven element) due to centrifugal force.
The kinetic energy of the moving fluid causes the turbine to start rotating, transmitting torque to the output shaft. During this starting phase, there is a slight time lag, known as the “slip,” between the impeller and the turbine. However, as the fluid coupling reaches its operational speed, the slip reduces, and the turbine matches the speed of the impeller, resulting in smooth power transmission from the input to the output shaft.
The fluid coupling’s ability to control the slip ensures a gradual and controlled acceleration of the driven equipment, minimizing stress on the drivetrain components and preventing sudden shock loads.
Stopping Phase: When power to the input shaft is reduced or cut off, the impeller slows down, and the kinetic energy in the fluid decreases. As a result, the fluid moves away from the turbine towards the center of the coupling, reducing the torque transmission between the input and output shafts.
This characteristic of the fluid coupling aids in smoothly decelerating the connected equipment, preventing sudden jolts or jerks during the stopping process. The ability to control the slip during deceleration ensures that the driven machinery comes to a gradual and controlled stop, enhancing safety and protecting the equipment from damage.
The combination of hydrodynamic torque transmission and the ability to control the slip makes fluid couplings ideal for applications where smooth power transmission during starting and stopping is essential. Industries such as mining, construction, metal processing, marine propulsion, and power generation benefit from the reliable and efficient performance of fluid couplings in various machinery and equipment.
Fluid Couplings for Soft-Start Applications in Conveyor Systems
Yes, fluid couplings are well-suited for soft-start applications in conveyor systems. Soft-starting is the gradual acceleration of the conveyor belt to reduce sudden mechanical stress and current spikes during startup. Fluid couplings provide a smooth and controlled method of power transmission, making them ideal for achieving soft-start capabilities in conveyor systems.
When a conveyor system equipped with a fluid coupling starts, the fluid inside the coupling initially acts as a viscous medium, allowing the input and output shafts to rotate at different speeds. As the fluid coupling fills with fluid, it gradually transmits torque and smoothly accelerates the conveyor belt.
One of the significant advantages of using fluid couplings for soft-start applications is that they provide adjustable startup times. By controlling the amount of fluid inside the coupling, the startup acceleration rate can be precisely tuned to match the specific requirements of the conveyor system.
The soft-start feature offered by fluid couplings helps in several ways:
- Mechanical Stress Reduction: The gradual acceleration minimizes mechanical stress on the conveyor belt, pulleys, and other components, leading to extended equipment life and reduced maintenance costs.
- Energy Savings: Soft-starting prevents sudden current spikes and reduces the power demand during startup, resulting in energy savings and improved efficiency.
- Improved Conveyor Belt Life: By avoiding abrupt starts, the wear and tear on the conveyor belt are reduced, leading to longer belt life and decreased downtime.
- Enhanced Conveyor Control: Soft-start capabilities enable better control over the conveyor system, allowing operators to optimize the material flow and prevent product spillage or jamming.
Fluid couplings offer reliable and cost-effective soft-start solutions for conveyor systems across various industries, including mining, manufacturing, and material handling. They are particularly beneficial when dealing with heavy loads or long conveyor belts, where the avoidance of sudden shock loads is critical.
In summary, fluid couplings are a popular choice for soft-start applications in conveyor systems due to their smooth and controlled power transmission, adjustable startup times, and the ability to reduce mechanical stress and energy consumption during startup.
Fluid Couplings and Variable Speed Control
Fluid couplings are well-suited for certain applications that require variable speed control. While fluid couplings are primarily designed for smooth power transmission and torque multiplication, they can be used in combination with other devices to achieve variable speed control.
The primary method of achieving variable speed control with a fluid coupling is by using a hydraulic coupling or a hydraulic torque converter. A hydraulic coupling is essentially a fluid coupling with an additional chamber that allows for controlled fluid flow. By adjusting the fluid flow rate, the output speed can be varied, thus providing variable speed control.
Hydraulic torque converters are similar to fluid couplings but have an additional component called a stator. The stator redirects the fluid flow in a way that enhances torque multiplication at low speeds and improves efficiency at high speeds. By altering the stator’s position, the output speed can be varied, enabling variable speed control.
Variable speed control with fluid couplings is often used in applications such as industrial machinery, mining equipment, and certain types of vehicles. It allows for smooth and efficient speed adjustments without the need for mechanical gear changes, providing flexibility in various operating conditions.
However, it’s important to note that while fluid couplings can offer some degree of variable speed control, they are not as versatile as other speed control mechanisms like variable frequency drives (VFDs) or electronic controllers. Therefore, the selection of the appropriate speed control method depends on the specific requirements and characteristics of the application.
editor by CX 2023-12-08