Product Description
ABOUT US
HangZhou Suijin machinery Technology Co,.Ltd is a profational manufacturer in HangZhou city, our main process is investment casting/precision casting and machining, for casting process, we have 2 kinds of production line, 1 is precision casting, another is water glass with competitive cost.
Apart from the investment casting workshop and machine workshop, we also provide the CHINAMFG parts to meet the requirement for varial demand from our customer.
CERTIFICATIONS
Our company got the ISO9001 and IATF16949 certification, and aslo we are awarded the new high-tech enterprice by Chinese government, and we have more than 20 patent.
ADVANTAGES
• More than 10 years experience on casting and machining
• Advanced inspection equipment to ensure the tolerance
• Flexible PO QTY to meet customer demand
• Professional engineers in casting and machining
• Competitive price and exllent parts quality
• Nearby HangZhou port, on-time delivery
PROCESS FLOW
OEM&ODM SERVICE
HangZhou suijin machinery technology can provide the ODM&OEM service for customer, and main is ODM, we can manufacturing the customized parts according to 2D&3D, we have professional R&D team can take part in ealier development phase of the project.
AVALIABLE MATERIA & SURFACE TREATMENT
| Avaliable Material | |||
| Carbon Steel | Alloy Steel | High Chromium Cast Iron | Low carbon steel |
| Stainless Steel | Duplex Stainless Steel | Steel bar | Ductile Cast Iron |
| Surface treatment | |||
| Heat Treatment | Zinc Coating | Blackening | Mirror Polishing |
| Satin Polishing | Electrolytic Polishing | Shot Peening | DACROMET |
PRODUCT APPLICATION
AUTO PARTS
• Exhaust inlet/outlet cone • Shift sleeve • Fuel rail bracket
• Tempreture sensor boss • Mounting Brackets • Oxygen sensor boss
• Brake balance block • EGR sensor boss • Exhaust valve body
ARCHITECTURAL HARDWARE
• Mounting Base • Mounting plate • Bearing Covers
• Coupling • Grount sleeve • Sprockets
• Handle • law glass curtain wall accessories • Side Plates
AGRICULTURAL MACHINERY PARTS
• Tooth Blocks • Track shoes • Bucket Teeth
• Track Links • Clamping • Mounting Brackets
• Lifting Eyes • Quick Joint • Trencher Tooth
MARINE HARDWARE
• Star handle • Door hinge • Folding Dock Cleat
• Mirror Polished Mooring • Hollow base boat rope cleat • Mounting Brackets
VALAVE/PUMP
• Valve body • Explosion-proof valves • Pipe fitting
OTHERS
The casting part is wildly use in the industries, such as rail&transit parts, bicycle parts, casting impeller, food machine sorting components, solar mounting system parts, container safety parts, Electronic lock body, robot parts and so on, we have more than 20 patents related to this kinds of project in production.
ADVANCED EQUIPMENTS
Our company also equiped advance inspection equipment to meet the inspection requirement of the parts, so that we can sure the part can have a good quality.
MAIN EQUIPMENT LIST
| Magnetic defect inspection | Spectrometer | HB hardness inspection | Mechanical inspection |
| Ultrasonic defect inspection | Roughness tester | HR hardness inspection | CMM inspection |
| Metallographic detector | X-ray inspection | Dye penetrant inspection | 100% Thread inspection |
FAQ
| Q1 | Are you factory or trading company? |
| A1 | We are factory located in HangZhou city, China |
| Q2 | What kinds of language is avaliable? |
| A2 | English, Chinese, except email cummunication, we are ok with video meeting and calling. |
| Q3 | How should I place an order? |
| A3 | We are receive the PO and production drawing by email. |
| Q4 | Which shipping methed is ok for you? |
| A4 | Normally shipping by sea and train is use for mass production order delivery. DHL,TNT,FedEx, UPS,EMS air shipment is use for sample delivery. |
| Q5 | How can I contact you? |
| A5 | You can contact us by email, and also we can chat by Skype, Teams, WhatsApp, Facebook. |
| Q6 | What kinds of drawing format can be use? |
| A6 | PRO/E, Auto CAD, CHINAMFG Works, IGS, UG, CAD/CAM/CAE, STEP. |
| Q7 | Which packing material do you use for sea shipping? |
| A7 | For sea shipping, we will packaging with European standard wooden pallet. The parts will packing with PE bag inside the carton box. |
| Q8 | How do you deal with the RFQ? |
| A8 | Sales receiving the RFQ—Feasiblity study meeting with R&D engineer—Feed back technical issues with Customer—Sales quoted |
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Torque and Speed Ratings of Flange Couplings
Flange couplings are available in various sizes and designs to accommodate a wide range of torque and rotational speed requirements. The torque and speed ratings of flange couplings depend on several factors, including their size, material, and design.
Torque Rating:
The torque rating of a flange coupling indicates the maximum amount of torque it can transmit without experiencing failure or damage. It is typically specified in Nm (Newton-meters) or lb-ft (pound-feet). The torque rating varies for different sizes and types of flange couplings. Larger flange couplings generally have higher torque ratings compared to smaller ones.
Speed Rating:
The speed rating of a flange coupling represents the maximum rotational speed at which it can operate reliably without excessive vibration or wear. It is typically expressed in RPM (revolutions per minute). The speed rating is influenced by factors such as the design, material, and balancing of the flange coupling. Higher-speed applications require flange couplings that can handle the increased centrifugal forces and dynamic loads associated with higher RPMs.
Size and Type:
The torque and speed ratings vary for different sizes and types of flange couplings. For example:
- Smaller flange couplings, such as those used in light-duty applications, may have torque ratings ranging from a few Nm to several hundred Nm, and speed ratings up to a few thousand RPM.
- Larger flange couplings, used in heavy-duty industrial applications, can have torque ratings exceeding several thousand Nm and speed ratings that may reach tens of thousands of RPM.
- Flexible flange couplings may have slightly lower torque ratings compared to rigid flange couplings but offer greater misalignment compensation.
Manufacturer Specifications:
It is essential to refer to the manufacturer’s specifications and technical data to determine the specific torque and speed ratings for each size and type of flange coupling. Manufacturers typically provide detailed performance data to help users select the appropriate flange coupling for their specific application.
Application Considerations:
When selecting a flange coupling, it is crucial to consider the torque and speed requirements of the application. The operating conditions, such as load fluctuations and thermal effects, should also be taken into account to ensure the flange coupling’s reliable performance and longevity.
Conclusion:
Flange couplings come in various sizes and designs, each with its own torque and speed ratings. Properly selecting a flange coupling that meets the specific torque and speed requirements of the application is essential to ensure efficient and trouble-free power transmission in mechanical systems.
Can Flange Couplings Be Used in Food Processing and Pharmaceutical Industries?
Yes, flange couplings can be used in food processing and pharmaceutical industries, provided they meet certain requirements and standards to ensure hygiene and product safety. These industries have stringent regulations and guidelines to prevent contamination and maintain the quality and purity of their products. When selecting flange couplings for such applications, several considerations must be taken into account:
- Material Selection: The flange coupling material must be food-grade or pharmaceutical-grade and comply with industry-specific regulations. Stainless steel, particularly austenitic grades like 316L, is commonly used due to its excellent corrosion resistance and ease of cleaning.
- Hygienic Design: Flange couplings for these industries should have a hygienic design that minimizes crevices, dead spaces, and surface roughness where bacteria or contaminants could accumulate. Smooth surfaces and seamless construction help facilitate thorough cleaning and sterilization.
- Sealing and Lubrication: Proper sealing is essential to prevent any potential leaks or ingress of contaminants. Food-grade or pharmaceutical-grade lubricants should be used to ensure that there is no risk of contamination from the coupling’s lubrication.
- Certifications and Compliance: Flange couplings intended for use in food processing and pharmaceutical industries should have relevant certifications, such as FDA (U.S. Food and Drug Administration) approval, EU regulations (e.g., EC No. 1935/2004), and compliance with industry standards like 3-A Sanitary Standards.
- Cleanability: Flange couplings should be designed for easy disassembly and cleaning to maintain the required hygiene standards. This may involve quick-release or tool-less designs that allow for frequent inspection and cleaning without impeding production processes.
- Resistant to Corrosive Cleaning Agents: In food processing and pharmaceutical industries, aggressive cleaning agents may be used. The flange coupling material should be resistant to these substances to avoid degradation and maintain the coupling’s integrity over time.
By meeting these criteria, flange couplings can be safely used in food processing and pharmaceutical applications without compromising product quality or safety. It is crucial to work with reputable manufacturers or suppliers who understand the specific requirements of these industries and can provide couplings that adhere to the necessary standards.
Types of Flange Coupling Designs
Flange couplings are mechanical devices used to connect two shafts and transmit torque between them. They come in various designs, each suited for specific applications. Here are the different types of flange coupling designs:
- 1. Unprotected Flange Coupling: This is the simplest type of flange coupling, consisting of two flanges with flat faces that are bolted together to connect the shafts. It is cost-effective and easy to install but offers limited protection against misalignment.
- 2. Protected Flange Coupling: In this design, the flanges are fitted with a protective cover or casing, which helps prevent dust, dirt, and other contaminants from entering the coupling. It provides better protection to the coupling components, making it suitable for outdoor or harsh environments.
- 3. Flexible Flange Coupling: This design incorporates a flexible element, such as a rubber or elastomeric insert, between the flanges. The flexible element allows for some misalignment between the shafts and helps dampen vibrations, reducing wear on connected equipment. It is commonly used in applications where there may be slight shaft misalignment.
- 4. Rigid Flange Coupling: The rigid flange coupling is a solid coupling without any flexible elements. It provides a rigid connection between the shafts, which is ideal for applications where precise alignment is critical, such as high-speed machinery or precision motion control systems.
- 5. Sleeve Flange Coupling: In this design, a hollow sleeve fits over the ends of the shafts and is bolted to the flanges. The sleeve helps provide additional support and alignment for the shafts.
- 6. Half-Flanged Coupling: Half-flanged couplings consist of two flanges on one shaft and a single flange on the other shaft. This design is suitable for applications with limited space or where one shaft is fixed, and the other requires disconnection frequently.
The choice of flange coupling design depends on factors such as the level of misalignment, speed of rotation, available space, environmental conditions, and the required level of flexibility. Proper selection of the flange coupling type ensures efficient power transmission and extends the life of connected machinery and equipment.
editor by CX 2024-04-17
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