Product Description
Densen customized Industrial Equipment Curved Jaw Coupling Shaft Coupling Flexible Rubber, Industrial Pump Parts
| Product Name | Densen customized Industrial Equipment Curved Jaw Coupling Shaft Coupling Flexible Rubber, Industrial Pump Parts |
| DN mm | 12~160mm |
| Rated Torque | 25~25000 N·m |
| Allowable speed | 15300~1500 N·m |
| Material | 35CrMo/ZG270/45# steel/Aluminum alloy |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
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Company Information
HangZhou New CHINAMFG Casting and Forging Company is the sales company of HangZhou CHINAMFG Group of Companies. Features of New CHINAMFG simply summarized as below:
1. Trusted supplier of steel, iron & non-ferrous components;
2. Extensive documented quality program in place.
3. Castings, forgings, stampings, machining, welding & fabrication services.
4. 9 related factories, over 50 joint-venture sub-contractors.
5. 25+ years of manufacturing experiences, 10+ years of exporting experience
6. 100% of products sold to overseas customers.
7. 50% of customer base is forturne 500 companies.
Processing support
Casting Service:
Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.
New Densen offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately.
Forging Service:
Forging is a manufacturing process involving the shaping of metal using localized compressive forces. New CHINAMFG offers open die forging, closed die forging and ring forging services. Material can be steel, iron and non-ferrous. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.1Kg to 50,000Kgs.
Stamping Service:
Stamping (also known as punching) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.
New Densen-XBL has more than 60 sets stamping equipments, is the designed supplier for several famous bands automotive companies, has the full ability to offer whole processes from blanking, stamping, welding, to electrostatic spraying for CHINAMFG customers.
Welding & Fabrication Service:
Welding Frabrication is the fabrication process of metal structures by cutting, bending, then assembling the components together through welding
New CHINAMFG offers manual arc welding ,laser welding and robot welding etc. UT, MPT,RT,PT all are available used for inspection, WPS &PQR (Welding Process Specification& Procedure Qualification Records) before production is available under clients’ requirement.
Machining Service:
Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process.
New Densen-XBL has more than 60 sets precision machines incl. CNC center, boring, milling, lathing, etc., and more than 300 inspection instruments incl. 3 sets CMM with grade μm. Repeated tolerance can be maintained as 0.02mm. Meanwhile awarded by certificates ISO9001-2008; ISO/TS16949. New Densen-XBL specialized in high precise machining for small-middle-big metal components.
3rd Party Inspection:
New Densen worked as 3rd party inspection center besides its sister factories or sub-contractors’ self inspection, Offers process inspection, random inspection and before delivedry inspection services for material, mechanical, inside defects, dimentional, pressure, load, balance, surface treatment, visual inspection and test. Weekly project follow-up report together with pictures and videos, full quality inspection documentation available.
New CHINAMFG also designed as 3rd party inspection representative for several customers when their products made by other suppliers.
Application:
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How do jaw couplings handle shaft misalignment in rotating equipment?
Jaw couplings are mechanical devices used in rotating equipment to connect two shafts and transmit torque. One of the key advantages of jaw couplings is their ability to handle shaft misalignment. Shaft misalignment can occur due to various reasons, including manufacturing tolerances, thermal expansion, foundation settling, or general wear and tear. Jaw couplings can accommodate misalignment in three primary ways:
- Angular Misalignment: Jaw couplings can handle small angular misalignments between the connected shafts. The flexible nature of the elastomer spider (the central element in the jaw coupling) allows for a certain degree of angular movement between the hubs without exerting excessive forces on the connected equipment.
- Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned in a straight line. Jaw couplings can tolerate some amount of parallel misalignment due to the flexibility of the elastomer spider. This flexibility allows the hubs to move slightly relative to each other, thereby reducing the transmission of misalignment-induced forces to the equipment.
- Axial Misalignment: Axial misalignment refers to the offset between the axial positions of the connected shafts. While jaw couplings are primarily designed for torque transmission and misalignment compensation in angular and parallel directions, they can also handle minor amounts of axial misalignment due to the elastomer spider’s ability to absorb limited axial movement.
It is essential to note that jaw couplings have their limits in handling misalignment. Excessive misalignment beyond their design capabilities can lead to premature wear, reduced coupling life, and potential damage to the connected equipment. Therefore, it is crucial to understand the specific misalignment limits of the jaw coupling being used and ensure that the equipment operates within those limits.
In summary, jaw couplings handle shaft misalignment in rotating equipment by utilizing the flexibility of the elastomer spider to accommodate small angular, parallel, and axial misalignments. This feature helps protect the connected equipment from the detrimental effects of misalignment and ensures smooth and reliable operation.
What are the common installation mistakes to avoid when using jaw couplings?
Proper installation of jaw couplings is crucial to ensure their reliable and efficient operation. Avoiding common installation mistakes can prevent premature wear, misalignment, and potential equipment damage. Here are some of the most common installation mistakes to avoid when using jaw couplings:
- Incorrect Coupling Size: Using the wrong size of jaw coupling for the application can lead to various issues. Undersized couplings may not handle the required torque, leading to early failure, while oversized couplings may result in increased rotational inertia and decreased system performance. Always ensure that the selected coupling is appropriate for the torque and power requirements of the equipment.
- Misalignment: Improper alignment of the shafts during coupling installation can cause excessive forces and premature wear on the coupling components. Angular, parallel, and axial misalignments should be minimized and kept within the manufacturer’s recommended tolerances. Consider using alignment tools and techniques to achieve accurate shaft alignment.
- Over-Tightening: Applying excessive torque when tightening the coupling elements can lead to deformation of the elastomer spider or damage to the hubs. Over-tightening can also increase friction and cause premature wear. Follow the manufacturer’s specified torque values during installation to ensure proper clamping without causing damage.
- Lack of Lubrication: Some jaw couplings require lubrication to reduce friction and wear. Neglecting to lubricate the coupling elements can lead to increased friction, higher operating temperatures, and reduced coupling life. Follow the manufacturer’s guidelines regarding lubrication intervals and types of lubricants to use.
- Failure to Inspect Components: Before installation, carefully inspect all coupling components for any signs of damage, wear, or defects. Using a damaged or worn-out elastomer spider or other components can compromise the coupling’s performance and reliability. Replace any worn or damaged parts before installing the coupling.
- Improper Shaft End Preparation: Ensure that the shaft ends are clean, smooth, and free from burrs or imperfections before installing the coupling. Rough or uneven shaft surfaces can lead to misalignment and reduce coupling performance. Properly clean and prepare the shaft ends to ensure a secure and accurate fit.
- Not Following Manufacturer’s Guidelines: Each jaw coupling has specific installation instructions provided by the manufacturer. Failure to follow these guidelines can result in coupling failure or reduced performance. Always refer to the manufacturer’s installation manual and recommendations for proper installation procedures.
By avoiding these common installation mistakes, users can maximize the performance and longevity of jaw couplings in their applications. Proper installation ensures that the coupling operates efficiently, transmits power effectively, and reduces the risk of unexpected failures or downtime.
Advantages of Using Jaw Couplings in Mechanical Systems
Jaw couplings offer several advantages in mechanical systems:
- Misalignment Compensation: Jaw couplings can tolerate angular, parallel, and axial misalignments between connected shafts, reducing the need for precise alignment during installation.
- Vibration Damping: The elastomeric spider in the jaw coupling absorbs shocks and vibrations, providing smoother operation and extending the life of connected equipment.
- Backlash-Free: Due to the tight fit between the jaws and the spider, jaw couplings are virtually backlash-free, enabling more accurate and responsive motion transfer.
- High Torque Capacity: Jaw couplings can handle high torque loads, making them suitable for a wide range of industrial applications.
- Easy Installation: With a simple design and few components, jaw couplings are easy to install and maintain.
- Cost-Effective: Compared to other types of couplings, jaw couplings are relatively cost-effective, providing reliable power transmission at a lower cost.
- Fail-Safe Design: In the event of a spider failure, the jaws can still maintain some torque transmission, allowing for limited operation and preventing sudden breakdowns.
Due to these advantages, jaw couplings are widely used in pumps, motors, fans, and various industrial machinery where misalignment, vibration, and torque transmission are critical factors.
editor by CX 2024-01-15