Tag Archives: magnetic shaft

China Professional High Speed Keyless Magnetic Pump Flexible Disc Magnetic Shaft Couplings

Product Description

Introduction of magnetic shaft coupling

Magnetic shaft coupling is a new kind of coupling, which connects motor and machine by permanent magnetic force. 

They are consisted of external rotor, internal rotor and isolating covers.

They work in the sealed magnetic drive pumps, which transporting volatile, flammable, explosive and toxic solutions with no leakage. 

These magnetic shaft couplings can be used to connect gear pumps , screw pumps, centrifugal pumps, etc. with all types of electric motor or gear box. 

Magnetic shaft coupling are widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on. 

Advantages of magnetic shaft coupling

» Elimination of fluid leakage from the pump shaft.

» Vibrations are not transmitted to the pump.

» No maintenance required for magnetic couplings.

» Using magnetic couplings allows use of standard pumps without expensive mechanical seals.

» No additional cost for purchasing mechanical seal spare parts and maintenance.

 

Technical drawing of magnetic shaft coupling

Specification of magnetic shaft coupling

Item Internal Rotor(mm) External Rotor(mm) Isolating Covering(mm)
A B C D E F G Shaft Pin H I J L N M P Q R S T U
GME03-3LM00 Φ35 Φ10 26 18 M6X12 Φ42 Φ60 Φ50 46 6-M4 Φ40 Φ50 4-Φ5.4 Φ38 Φ60 6 6
GME03-5MM00 Φ42 Φ12 27 4 18 13.8 M6X16 Φ49 Φ72 Φ60 46 4-Φ6.7 Φ52 Φ60 4-Φ6.7 Φ44 Φ74 8 8
GME03-16LM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-16LM01 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 4-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 6 10
GME03-16MM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-22LM00 Φ88 Φ20 29 6 25 22.8 M8X20 Φ97 Φ122 Φ110 70 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-30LM00 Φ88 Φ20 48 6 30 22.8 M8X20 Φ97 Φ122 Φ110 81 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-40LM00 Φ101 Φ25 49 8 28 28.3 M10X20 Φ109 Φ140 Φ124 83 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-50LM00 Φ107 Φ20 70 6 30 22.8 M6X16 Φ113.4 Φ145 Φ135 80 4-M6 Φ126 Φ133 12-Φ8.7 Φ109 Φ153 12 15
GME03-65LM00 Φ101 Φ25 77 8 45 28.3 M10X20 Φ109 Φ140 Φ124 111 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-80LM00 Φ106 Φ32 65 10 21 36.5 M6X25 Φ115 Φ145 Φ135 82 4-M6 Φ127 Φ135 6-Φ8.7 Φ110 Φ153 13 18
GME03-80LM00 Φ141 Φ92 Φ40 65 12 45 43.3 M12X25 Φ152 Φ180 Φ168 100 8-M8 Φ154 Φ164 8-Φ6.7 Φ145 Φ180 12 8
GME03-100LM00 Φ131 Φ82 Φ32 80 10 24.5 35.3 M8X35 Φ139 Φ170 Φ160 100 4-M6 Φ152 Φ158 8-Φ8.7 Φ133 Φ178 14 21
GME03-110LH00 Φ141 Φ92 Φ40 85 10 50 43.3 M12X25 Φ152 Φ184 Φ168 115 12-M8 Φ156 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-110LM00 Φ141 Φ92 Φ35 80 10 55 38.3 M12X25 Φ152 Φ180 Φ168 115 12-M8 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-140LM00 Φ141 Φ92 Φ40 110 12 80 43.3 M12X25 Φ152 Φ190 Φ170 145 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-180LM00 Φ141 Φ92 Φ40 140 12 95 43.3 M12X25 Φ152 Φ190 Φ170 175 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-220LM00 Φ141 Φ92 Φ48 160 14 110 51.8 M12X25 Φ152 Φ190 Φ170 195 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-300LM00 Φ162 Φ65 100 18 60 69.4   Φ170 Φ198 Φ188 123 12-M6 Φ180 Φ192 12-Φ11 Φ163.5 Φ218 16 10
GME03-400LH00 Φ195 Φ70 127 20 107 79.9 M12X25 Φ203 Φ234 Φ222 152 6-M6 Φ212 Φ164 12-Φ11 Φ198 Φ278 16 22

Application of magnetic shaft coupling

The ability to hermetically separate 2 areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross contamination is essential. For instance: hydraulic sectors, dosing systems, compressors, sterilizers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators and mixers.

 

 

 

Operation principles of magnetic shaft coupling

The magnetic coupling works by using the power generated by permanent magnets. No external power supply is needed. These are permanent magnets not electro magnets.

 

Packing Method of magnetic shaft coupling

Double strength corrugated Carton and Wood case Sea Packing.

 

 

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flexible coupling

What are the temperature and environmental limitations of flexible couplings?

Flexible couplings are designed to operate within certain temperature and environmental limitations to ensure optimal performance and longevity. The specific limitations may vary depending on the type and material of the coupling. Here are the general considerations:

  • Temperature Range: The temperature range in which a flexible coupling can operate is crucial. High temperatures can affect the material properties, leading to reduced flexibility and potential failure. Low temperatures can cause the material to become brittle and lose its ability to accommodate misalignment. It’s essential to choose a coupling suitable for the intended temperature range of the application.
  • Corrosive Environments: In environments with corrosive substances, such as acids, chemicals, or saltwater, it is essential to select a flexible coupling made of materials that are resistant to corrosion. Stainless steel and certain polymers are commonly used in such environments to prevent degradation and maintain the coupling’s integrity.
  • Hygienic Environments: For applications in food processing, pharmaceuticals, or cleanrooms, hygienic design is critical. Flexible couplings used in these environments should be easy to clean, made of materials that are non-toxic and resistant to contamination, and free from crevices or pockets where debris can accumulate.
  • Explosive or Hazardous Atmospheres: In environments where explosive or hazardous gases, vapors, or dust are present, flexible couplings with anti-static properties or explosion-proof certifications may be necessary to prevent the risk of ignition and ensure safety.
  • Outdoor Applications: For outdoor installations, flexible couplings should be able to withstand exposure to weather conditions, UV radiation, and temperature fluctuations. Couplings with weather-resistant properties are suitable for such applications.
  • High-Speed Applications: In high-speed applications, the centrifugal forces on the flexible coupling increase with rotational speed. Couplings designed for high-speed applications should be balanced to minimize vibrations and ensure smooth operation.
  • Shock and Impact Loads: Flexible couplings used in applications with significant shock or impact loads should have the ability to dampen and absorb these forces to protect connected equipment from damage.
  • Continuous vs. Intermittent Duty: Some flexible couplings are designed for continuous-duty applications, while others are suitable for intermittent duty or start-stop operations. The coupling’s design and material should match the specific duty cycle requirements.

It is essential to consult with the coupling manufacturer or supplier to understand the temperature and environmental limitations of a specific coupling model. Proper selection and application of flexible couplings within their defined limitations contribute to reliable and efficient performance in various industrial and mechanical systems.

flexible coupling

How does a flexible coupling handle alignment issues in long-distance shaft connections?

In long-distance shaft connections, it is common to encounter alignment issues due to factors such as thermal expansion, foundation settlement, or machinery shifts. Flexible couplings play a crucial role in handling these alignment issues and ensuring efficient power transmission. Here’s how they achieve this:

  • Misalignment Compensation: Flexible couplings are designed to accommodate both angular and parallel misalignments between shafts. When the shafts are not perfectly aligned, the flexibility of the coupling allows it to bend or flex, reducing the transmission of misalignment forces to connected equipment.
  • Reduced Stress on Equipment: By absorbing and compensating for misalignment, flexible couplings reduce the stress and loads imposed on connected machinery. This feature is particularly important in long-distance shaft connections, where misalignment can be more pronounced.
  • Torsional Flexibility: In addition to angular and parallel misalignments, long-distance shaft connections may also experience torsional misalignment. Flexible couplings can handle torsional flexibility, allowing smooth torque transmission even if the connected shafts have slightly different rotational speeds.
  • Vibration Damping: Long-distance shaft connections can be susceptible to vibrations due to the extended span and potential resonance. Flexible couplings help dampen these vibrations, protecting the connected equipment from excessive wear and fatigue.
  • Resilience to Shock Loads: Long-distance shaft connections in industrial settings may experience shock loads due to sudden starts, stops, or equipment malfunctions. Flexible couplings can absorb and dissipate some of these shock loads, safeguarding the connected components.
  • Longevity: By mitigating the effects of misalignment, vibrations, and shock loads, flexible couplings contribute to the longevity of the connected equipment and reduce maintenance and replacement costs over time.

When selecting a flexible coupling for long-distance shaft connections, it is essential to consider factors such as the degree of misalignment, torque requirements, operating conditions, and the environment in which the coupling will be used. Regular inspection and maintenance of the flexible coupling can further enhance its performance and ensure reliable operation in long-distance shaft connections.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China Professional High Speed Keyless Magnetic Pump Flexible Disc Magnetic Shaft Couplings  China Professional High Speed Keyless Magnetic Pump Flexible Disc Magnetic Shaft Couplings
editor by CX 2024-03-13