Product Description
Cast Iron HRC Shaft Couplings HRC70 HRC90 HRC110 HRC130 HRC150 HRC180 HRC230 HRC280
Product Description
The HRC shaft couplings is widely used. Its characteristic is simple construction, safe and reliable in use and easy to install. Maintenance is virtually elimated and no lubricant is required in the running term. These couplings are made of GG25 high grade cast iron and phosphate for the surface to ensure strength for safe running under rated conditions.
A variety of HRC Drive Couplings and Jaw Couplings are currently available from MIGHTY. MIGHTY carries an assortment of high quality couplings, mainly HRC Drive Couplings and Jaw Couplings. If you are in need of a reliable coupling, our HRC Drive Couplings should serve your needs well. Composed of 2 halves with a star-shaped rubber unit in the centre, these couplings can fit whatever the situation calls for. They’re quite easy to use and install, shipped bored or custom bored when required. The HRC drive coupling that we carry also comes in 3 styles: F-type couplings where the taperlock bush can be inserted from the inside, H-type couplings where the taperlock bush can be inserted from the outside and B-type couplings which are pilot bored and ready to be machined to the required bore.
J = the wrench clearance required for tightening and loosening the bush from the shaft
L = the total length (C+C+F)
Note:
L = Large MPB Hub Type F = Bushed from Jaw Side
S = Small MPB Hub Type H = Bushed from Hub Side
MIGHTY can produce full series of HRC shaft couplings: HRC 70, HRC 90, HRC 110, HRC 130, HRC 150, HRC 180, HRC 230, HRC 280.
Material: cast iron GG25;
Bore type: pilot or taper bore for set screw/bearing/keyway/taper bush;
Surface finish: phosphate coated.
Company Information
MIGHTY, a brand belongs to SCMC Corp. which is a wholly state-owned enterprise established in 1980, is specialized in producing precision mechanical power transmission products. After years of hard work, Mighty has already got the certificate of ISO9001:2000 and become a holding company of 3 manufacturing factories.
Mighty’s products are mainly exported to Europe, America and Middle East market. With the top-ranking management, professional technical support and abundant export experience, Mighty has established lasting and stable business partnership with many world famous companies and has got good reputation from CHINAMFG customers in international sales.
Equipment: sawing machine, CNC Lathe, drilling machine, hobbing machine, punch machine, milling machine, gear shaper, grinding machine, machining center, etc.
Trade Show: PTC Asia, Canton Fair, Hannover Messe, IFPE
Main Products:
Timing belt pulleys, timing bars, timing belt clamping plates.
Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.
V belt pulleys and taper lock bush.
Sprockets, idler, and plate wheels.
Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.
Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.
Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).
Application
1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.
2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.
3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.
4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.
5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.
6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.
7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.
8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.
9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.
10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
Contacts
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.
Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!
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Are There Specific Safety Precautions to Consider When Working with Drive Couplings?
Yes, working with drive couplings requires certain safety precautions to ensure the safety of personnel and the integrity of the equipment. Here are some important safety considerations when dealing with drive couplings:
- Lockout-Tagout (LOTO): Before performing any maintenance or repair work on machinery with drive couplings, it is essential to implement a proper lockout-tagout procedure. This involves isolating and securing the power source and equipment to prevent unexpected startup during the maintenance process. Only authorized personnel should have access to the equipment during LOTO procedures.
- PPE (Personal Protective Equipment): Personnel working on or near drive couplings should wear appropriate personal protective equipment, including safety glasses, gloves, and any other required protective gear. This helps protect against potential hazards such as flying debris or pinch points.
- Proper Installation: During installation, it is crucial to follow the manufacturer’s guidelines and instructions to ensure the drive coupling is correctly aligned and mounted. Proper alignment minimizes stresses on the coupling and associated machinery, reducing the risk of premature failure and potential accidents.
- Regular Inspections: Implement a schedule for regular inspections of drive couplings to identify any signs of wear, misalignment, or damage. Addressing issues early can prevent unexpected failures and reduce the risk of accidents or production downtime.
- Load and Speed Limits: Respect the specified load and speed limits of the drive coupling. Exceeding these limits can lead to catastrophic failures and pose safety risks to personnel and equipment.
- Maintenance by Qualified Personnel: Complex maintenance or repair tasks on drive couplings should be performed by qualified personnel with relevant experience and training. Improper maintenance can compromise the coupling’s performance and lead to safety hazards.
- Temperature Limits: Some drive couplings have temperature limits for safe operation. Ensure that the operating temperature is within the recommended range to avoid material degradation and potential hazards.
- Proper Lubrication: If the drive coupling requires lubrication, use the recommended lubricant and apply it as per the manufacturer’s guidelines. Inadequate or excessive lubrication can impact the coupling’s performance and increase the risk of failure.
- Safe Distance: Keep a safe distance from rotating couplings and rotating machinery to prevent accidental contact with moving parts. Implement barriers or guarding to prevent unintentional access.
Adhering to these safety precautions ensures that working with drive couplings is done safely and efficiently, minimizing the risk of accidents and maintaining the longevity of the equipment.
Understanding the Torsional Stiffness and Damping Characteristics of Drive Couplings
Torsional stiffness and damping are essential characteristics of drive couplings that play a significant role in the performance and behavior of mechanical power transmission systems. Let’s explore these two properties:
Torsional Stiffness:
Torsional stiffness refers to the ability of a drive coupling to resist angular deflection or twisting when subjected to a torque load. It is a measure of the coupling’s rigidity and is typically represented by a spring constant. A coupling with high torsional stiffness will exhibit minimal angular deflection when torque is applied, providing a more direct transfer of rotational power. On the other hand, a coupling with lower torsional stiffness allows for some flexibility and misalignment tolerance.
Drive couplings with high torsional stiffness are commonly used in applications where precision and accurate torque transmission are crucial, such as precision machinery and high-speed power transmission systems. Couplings with lower torsional stiffness are employed in situations where flexibility and shock absorption are needed to protect connected components from sudden torque spikes and vibrations.
Torsional Damping:
Torsional damping characterizes the ability of a drive coupling to dissipate energy in the form of heat when subjected to torsional vibrations. Damping reduces the amplitude of vibrations and prevents resonance, which can be detrimental to the coupling and the entire power transmission system.
Drive couplings with adequate torsional damping can absorb and dampen torsional vibrations, preventing excessive wear on the coupling and the connected machinery. The damping capacity of the coupling is determined by its material properties and design. High torsional damping is especially important in applications where the drive system experiences varying torque loads and vibrations, as it helps maintain stability and extends the life of the coupling and other mechanical components.
Both torsional stiffness and damping are critical factors to consider when selecting a drive coupling for a specific application. The appropriate coupling choice will depend on the desired level of rigidity, flexibility, and vibration absorption required for the mechanical power transmission system.
Types of Drive Couplings and Their Applications in Various Industries
Drive couplings come in various types, each designed to meet specific application requirements. Depending on the industry and the type of machinery involved, different types of drive couplings are used to optimize power transmission efficiency and reliability. Here are some common types of drive couplings and their applications in various industries:
- Jaw Couplings: Jaw couplings are flexible couplings that use elastomeric inserts to transmit torque. They are commonly used in industrial pumps, compressors, and conveyors. The elastomeric inserts provide shock absorption and vibration dampening, making them suitable for applications where misalignment and vibration are present.
- Gear Couplings: Gear couplings are robust and torsionally rigid couplings that use gear teeth to transmit torque between shafts. They are often used in heavy-duty applications such as steel rolling mills, paper mills, and marine propulsion systems. Gear couplings can handle high torque and misalignments, making them ideal for demanding industrial environments.
- Disc Couplings: Disc couplings use thin metal discs to transmit torque and accommodate misalignment. They are widely used in high-speed applications, such as gas turbines, generators, and test rigs. Disc couplings offer high torque capacity and are known for their torsional stiffness and balance characteristics.
- Grid Couplings: Grid couplings use a grid-like flexible element to transmit torque. They are commonly used in industrial pumps, fans, and compressors. Grid couplings offer excellent shock absorption and misalignment capability, making them suitable for applications where protection against sudden shocks is required.
- Tyre Couplings: Tyre couplings use an elastomeric tyre between two hubs to transmit torque. They are widely used in various industries, including steel, mining, and power generation. Tyre couplings can accommodate misalignments and provide vibration damping, making them versatile for different industrial applications.
- Bellows Couplings: Bellows couplings use a thin-walled metallic bellows to transmit torque and compensate for misalignments. They are commonly used in precision motion control applications, such as robotics, CNC machines, and medical equipment, where minimal backlash and high torsional stiffness are required.
- Universal Joints: Universal joints are used to transmit torque between shafts at an angle. They are commonly found in automotive drivelines, agricultural equipment, and industrial machinery. Universal joints allow angular misalignments and are widely used in applications where rotational movement must be transferred through non-aligned shafts.
The choice of drive coupling type depends on factors such as torque requirements, speed, misalignment, and specific environmental conditions. Each type of coupling has its unique advantages and limitations, and selecting the right coupling for a particular application is crucial for ensuring optimal power transmission and machinery performance in various industries.
editor by CX 2023-12-26
