Product Description
- Material:
Stainless Steel: JIS SCS1, SCS2, SCS13, SCS13L, SCS14, SCS14L/ DIN G-X7Cr13, G-X20Cr14, G-X6CrNi18 9, G-X6CrNiMo18 10, 1.3955, 1.4308, 1.4408, 1.4581 / ASTM/AISI CA-15, CA-40, CF-3/304L, CF-3M/316L, CF-8/304, CF-8M/316, etc Carbon Steel: JIS SC450, SCC5 / DIN GS-45, GS-60 / ASTM WCB, 450-240, 80-40, etc Alloy Steel: JIS SCW480, SCSiMn2, SCCrMn3 / DIN GS-20Mn5, GS-37MnSi5, GS-34CrMo4, etc Heat Resistance Steel: JIS SCH13, SCH21, SCH24/ DIN G-X15CrNiSi25 20 1.4840,G-X45CrNiSi35 25 1.4857 / ASTM HN, HK30, HK, HK40, HHM HP, HT Bronze or Copper: JIS BC6, ALBC6, etc Other materials Carbon Steel, Alloy Steel, Hight Manganese Steel, Tool steel, Heat-resistant Steel, Al-Si Alloy, etc also available according to customer’s request.
- Required documents for offer to be provided by customer:
Drawings with formats of IGS (3D), DWG or DXF (Auto CAD 2D), PDF, JPG
Standard of material (Preferable to provide Element Percentage of C, Si, Mn, P, S, etc and Physical/Machanical Properties of the material)
Technical requirements
Unit Weight of Rough Casting
Production technology: Lost-wax casting/investment casting
- Main production equipment:
Vertical wax-injectors
Sand glueing tanks
Wax-evaporator
Intermediate frequency electrical induction furnaces
Spectrum analyzer
Shot blast machines
Heat treatment furnaces
Heat treatment water tank
Acid solution and water cleaning tank
Buffing / polishing machines / Electrical polishing
- Unit weight: 1.2g~80,000g per piece
- Other details:
Taper hole, deep hole, bent hole D>Ø2mm L=1D
Minimum outside radius R0.3mm, minimum inside radius R0.5mm
Minimum thickness of 1.5mm, some parts with minimum thickness of 0.8mm
- Tolerance of dimension for cast:
Dimension Range (mm) Common Tolerance Special Tolerance < 25 +/- 0.25 mm +/- 0.13 mm 25 ~ 50 +/- 0.40 mm +/- 0.25 mm 50 ~ 100 +/- 0.80 mm +/- 0.50 mm > 100 +/- 1 % +/- 0.5 % - Minimum order: No limit
- Delivery: Within 30 working days after signing of contract and confirmation of samples by client
- Technological process:
- Workshop:
- Some Products:
- Testing equipments:
- Shipments:
- Company information:
- Certifications:
/* 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
Differences Between Rigid and Flexible Flange Coupling Designs
Flange couplings are essential components used in various mechanical systems to connect shafts and transmit power between them. Two common types of flange coupling designs are rigid flange couplings and flexible flange couplings. These designs differ in their construction and performance characteristics:
Rigid Flange Couplings:
Rigid flange couplings are designed to provide a solid and inflexible connection between two shafts. They are suitable for applications where shaft alignment is precise, and no misalignment is expected during operation. The key features of rigid flange couplings include:
- Stiff Construction: Rigid flange couplings are made from robust materials such as steel or aluminum. Their stiffness ensures that there is little to no flexibility, maintaining a solid connection between the shafts.
- No Misalignment Compensation: Rigid flange couplings do not accommodate any misalignment between the shafts. Therefore, proper alignment is crucial during installation to prevent undue stress on the shafts and connected equipment.
- High Torque Transmission: Due to their rigid design, rigid flange couplings offer high torque transmission capabilities, making them suitable for heavy-duty applications with precise alignment requirements.
Flexible Flange Couplings:
Flexible flange couplings, as the name suggests, offer some degree of flexibility and misalignment compensation between the connected shafts. They are used in applications where shaft misalignment, caused by factors like vibration, temperature changes, or minor installation errors, is likely to occur. The key features of flexible flange couplings include:
- Misalignment Compensation: Flexible flange couplings can tolerate angular, parallel, and axial misalignment to some extent. This helps to reduce stress on the connected equipment and enhances the overall performance and lifespan of the system.
- Vibration Dampening: The flexibility of these couplings allows them to dampen vibrations and shocks, making them suitable for systems where vibrations are a concern.
- Reduced Stress on Bearings: Flexible flange couplings can help reduce the stress on bearings and other connected components by absorbing misalignment forces.
When choosing between rigid and flexible flange couplings, it is essential to consider the specific requirements of the application. Rigid flange couplings are best suited for applications with precise alignment, while flexible flange couplings are ideal for systems where some degree of misalignment is expected. The selection process should also take into account factors such as torque capacity, shaft sizes, operating conditions, and maintenance requirements.
In conclusion, the choice between rigid and flexible flange coupling designs depends on the application’s alignment needs and the desired level of misalignment compensation and vibration dampening.
What are the Temperature and Environmental Limitations of Flange Couplings?
Flange couplings, like any mechanical component, have certain temperature and environmental limitations that can impact their performance and lifespan. It’s crucial to understand these limitations to select the appropriate flange coupling for specific applications. Here are the key factors to consider:
1. Temperature: Flange couplings are typically manufactured from materials that can withstand a range of temperatures. The maximum and minimum operating temperatures will depend on the material composition of the coupling. Common materials used for flange couplings, such as steel or stainless steel, can handle a broad temperature range from -40°C to 300°C or higher. However, extreme temperatures beyond the recommended range can cause material degradation, loss of strength, and potential failure of the coupling. In high-temperature applications, specialized materials like heat-resistant alloys may be used to maintain coupling integrity.
2. Corrosive Environments: Flange couplings operating in corrosive environments, such as chemical processing plants or marine applications, should be made from materials that resist corrosion. Stainless steel or other corrosion-resistant alloys are commonly used for such conditions. Regular inspection and maintenance are crucial to monitor the coupling’s condition and protect against premature failure due to corrosion.
3. Hazardous Environments: In certain industries, flange couplings may be exposed to hazardous or explosive atmospheres. In such cases, it’s essential to choose flange couplings that meet relevant safety standards, such as ATEX or IECEx, and are specifically designed and certified for use in hazardous environments.
4. Cleanliness and Hygienic Requirements: Industries such as food processing, pharmaceuticals, and biotechnology have strict hygiene standards. Flange couplings used in these applications should be easy to clean and constructed from materials that meet sanitary requirements to prevent contamination and ensure product purity.
5. Environmental Factors: Flange couplings used in outdoor applications may be exposed to various environmental factors such as moisture, dust, and UV radiation. Choosing couplings with appropriate protective coatings or seals can help enhance their resistance to environmental elements and extend their service life.
Before selecting a flange coupling for a specific application, it’s essential to consider the temperature and environmental conditions it will be exposed to. Consulting with coupling manufacturers or engineers can help ensure that the chosen flange coupling is suitable for the intended operating environment and will deliver reliable performance over its expected lifespan.
Limitations and Disadvantages of Flange Couplings
While flange couplings offer several advantages, they also have some limitations and disadvantages that should be considered when selecting them for a specific application:
- 1. Size and Weight: Flange couplings tend to be larger and heavier compared to some other coupling types. This can be a limitation in applications where space and weight are critical factors.
- 2. Higher Cost: Flange couplings can be more expensive to manufacture and install compared to simpler coupling designs like sleeve couplings or clamp couplings.
- 3. Complex Installation: Installing flange couplings may require more time and expertise due to their intricate design and multiple components, including bolts and gaskets.
- 4. Rigidity: Flange couplings are relatively rigid, which means they may not accommodate as much misalignment as flexible couplings. Excessive misalignment can lead to increased stress on the equipment and coupling, potentially resulting in premature failure.
- 5. Bolt Stress: Proper tightening of the bolts is crucial for the effective functioning of flange couplings. Over-tightening or under-tightening the bolts can lead to bolt fatigue or coupling slippage.
- 6. Noise and Vibration Transmission: Flange couplings, especially rigid designs, can transmit more noise and vibration compared to flexible couplings, potentially affecting the performance and longevity of connected equipment.
- 7. Maintenance: Flange couplings may require more frequent maintenance due to the presence of multiple components and the need to periodically check bolt tightness and gasket conditions.
- 8. Corrosion: Depending on the material used, flange couplings may be susceptible to corrosion in certain environments. Corrosion can compromise the integrity of the coupling and reduce its service life.
Despite these limitations, flange couplings are still widely used in various industrial applications due to their robustness, high torque capacity, and ability to handle heavy loads. Proper application, installation, and maintenance can help mitigate some of these disadvantages and ensure the reliable performance of flange couplings in a wide range of systems.
editor by CX 2024-04-02