Product Description

Hot sale: low noise,no leakage, no additional cost for rigid shaft coupling magnetic couple motor couplings

Introduction of rigid shaft coupling magnetic couple motor couplings

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 rigid shaft coupling magnetic couple motor couplings

» 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 rigid shaft coupling magnetic couple motor couplings

Specification of rigid shaft coupling magnetic couple motor couplings

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 rigid shaft coupling magnetic couple motor couplings

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 rigid shaft coupling magnetic couple motor couplings

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 rigid shaft coupling magnetic couple motor couplings

Double strength corrugated Carton and Wood case Sea Packing.

 

 

 

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Can Rigid Couplings Handle Misalignment Between Shafts?

Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.

It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.

If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.

In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.

Can Rigid Couplings Be Used in Applications with Varying Operating Temperatures?

Rigid couplings are versatile mechanical components that can be used in a wide range of applications, including those with varying operating temperatures. However, the selection of the appropriate material for the rigid coupling is crucial to ensure its reliable performance under different temperature conditions.

Material Selection: The choice of material for the rigid coupling depends on the specific operating temperature range of the application. Common materials used in manufacturing rigid couplings include steel, stainless steel, and aluminum, among others. Each material has its own temperature limitations:

– Steel: Rigid couplings made from steel are suitable for applications with moderate to high temperatures. Steel couplings can handle temperatures ranging from -40°C to around 300°C, depending on the specific grade of steel used.

– Stainless Steel: Stainless steel rigid couplings offer higher corrosion resistance and can be used in applications with more demanding temperature environments. They can withstand temperatures from -80°C to approximately 400°C.

– Aluminum: Aluminum rigid couplings are commonly used in applications with lower temperature requirements, typically ranging from -50°C to around 120°C.

Thermal Expansion: When selecting a rigid coupling for an application with varying temperatures, it is essential to consider thermal expansion. Different materials have different coefficients of thermal expansion, meaning they expand and contract at different rates as the temperature changes. If the operating temperature fluctuates significantly, the thermal expansion of the rigid coupling and the connected components must be carefully accounted for to avoid issues with misalignment or binding.

Extreme Temperature Environments: For applications with extremely high or low temperatures beyond the capabilities of traditional materials, specialized high-temperature alloys or composites may be required. These materials can withstand more extreme temperature conditions but may come with higher costs.

Lubrication: The choice of lubrication can also play a role in the suitability of rigid couplings for varying temperature applications. In high-temperature environments, consideration should be given to using high-temperature lubricants that can maintain their effectiveness and viscosity at elevated temperatures.

In conclusion, rigid couplings can indeed be used in applications with varying operating temperatures, but careful material selection, consideration of thermal expansion, and appropriate lubrication are essential to ensure reliable and efficient performance under changing temperature conditions.

What is a Rigid Coupling and How Does it Work?

A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.

Structure and Design:

Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.

Working Principle:

The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.

Applications:

Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:

• High-precision machinery and equipment
• Robotics and automation systems
• Precision motion control systems
• Machine tools
• Shaft-driven pumps and compressors

Advantages:

The key advantages of using rigid couplings include:

• High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
• Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
• Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
• Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.

Limitations:

Despite their advantages, rigid couplings have certain limitations:

• No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
• Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
• Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.

In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.

editor by CX 2024-05-15