Mayr EAS-NC Installation And Operational Instructions Download Page 1

Installation and Operational Instructions for

 

EAS

®

-NC Clutches  Type 45_._ _ _._

 

Sizes 02 and 03 

(B.4.8.2.1.EN)

 

29/08/2013 TK/GC/NU/SU 

Chr. Mayr GmbH + Co.

 

KG

 

 

Eichenstraße 1, D-87665 Mauerstetten, Germany

 

 

Tel.: +49 8341 804-0, Fax: +49 8341 804-421

 

Page 1 of 11 

www.mayr.com

E-Mail

[email protected]

 

 

Please read these Operational Instructions carefully and follow them accordingly!

 

Ignoring these Instructions may lead to malfunctions or to clutch failure, resulting in damage to other parts. 

 
 

Contents: 

Page 1:

  - Contents 

 

- Safety and Guideline Signs 

 

- Safety Regulations 

Page 2:

  - Clutch Illustrations 

Page 3:

  - Parts List 

 

- Design 

 

- State of Delivery 

 

- Function 

Page 4:

  - Technical Data 

Page 5:

  - Installation of the Drive Elements  

Page 6:

  - Mounting onto the Shaft 

 

- De-installation 

 

- Shaft Installation via Key Connection 

 

- Cup Spring Layering 

 

- Joining (Screwing) the Clutch Hubs  

 

   Type 453.- 

Page 7:

  - Permitted Shaft Misalignments 

 

- Clutch Alignment 

Page 8:

  - Torque Adjustment 

 

- Adjustment of the Torque with Size 02 

 

- Adjustment of the Torque with Size 03 

Page 9:

  - Adjustment Diagram 

Page 10: 

 - Limit Switch Installation 

 

- Maintenance 

 

- Disposal 

Page 11:

 - Malfunctions / Breakdowns 

Safety and Guideline Signs 

CAUTION 

Danger of injury to personnel and 
damage to machines. 

 

 

Please Observe!

 

Guidelines on important points. 

 
___________________________________________________ 
 

 

According to German notation, decimal points 
in this document are represented with a  
comma (e.g. 0,5 instead of 0.5). 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Safety Regulations 

These Installation and Operational Instructions (I + O) are part of the clutch delivery. 
Please keep them handy and near to the clutch at all times. 

 

It is forbidden to start use of the product until you have ensured that all applicable EU directives, directives for the machine 
or system into which the product has been installed have been fulfilled.  
At the time these Installation and Operational Instructions go to print, the EAS

®

-clutches accord with the known technical 

specifications and are operationally safe at the time of delivery. 
Without a conformity evaluation, this product is not suitable for use in areas where there is a high danger of explosion. This 
statement is based on the ATEX directive.

 

CAUTION 

 

If the EAS

®

-clutches are modified. 

 

If the relevant standards for safety and / or installation conditions are ignored. 

User-implemented Protective Measures 

 

Cover all moving parts to protect against seizure, dust or foreign body impact. 

 

The clutches may not be put into operation without a limit switch unless 

mayr

®

 has been contacted and has agreed 

otherwise. 

To prevent injury or damage, only professionals and specialists should work on the devices, following the 
relevant standards and directives.

 

Please read the Installation and Operational Instructions carefully before 

installation and initial operation of the device.

 

These Safety Regulations are user hints only and may not be complete! 

 
 

 

 

 

Summary of Contents for EAS-NC

Page 1: ...rman notation decimal points in this document are represented with a comma e g 0 5 instead of 0 5 Safety Regulations These Installation and Operational Instructions I O are part of the clutch delivery...

Page 2: ...ayr GmbH Co KG Eichenstra e 1 D 87665 Mauerstetten Germany Tel 49 8341 804 0 Fax 49 8341 804 421 Page 2 of 11 www mayr com E Mail info mayr com 11 10 10 3 3 9 9 7 1 1 8 8 7 2 2 23 23 4 5 6 6 19 20 16...

Page 3: ...sign The EAS NC clutch is designed as a mechanical overload clutch according to the ball detent principle State of Delivery The clutch is manufacturer assembled and set to the torque stipulated in the...

Page 4: ...ype 45_ _1_ _ mm Type 45_ _2_ _ mm 03 6 12 6 11 0 8 20 C to 80 C 02 8 15 8 16 1 0 20 C to 80 C Table 3 Size Max permitted bearing loads Screw tightening torques Axial forces N Radial forces N Transver...

Page 5: ...haft Fig 4 No appreciable axial forces see Table 3 should be transferred from the output element onto the clutch pressure flange 2 The EAS NC with a long protruding hub Type 450 _ _ _ 1 Fig 2a is reco...

Page 6: ..._ _ _ 0 first one cone bushing is completely tightened e g Items 13 22 then the other steel bellows side Items 20 21 Fig 5 Please also ensure during installation of Type 453 _ _ _ 0 that no axial pres...

Page 7: ...ent of the maximum value must not exceed 100 The permitted misalignment values given in Table 4 refer to coupling operation at nominal torque an ambient temperature of 30 C and an operating speed of 1...

Page 8: ...n the operating range in a clockwise direction reduces the torque Turning it anti clockwise causes an increase in torque You should be facing the adjusting nut 6 as shown in Figs 11 and 12 Fig 10 Adju...

Page 9: ...45 6 5 6 55 6 6 6 65 6 7 6 75 6 8 6 85 0 65 0 7 0 75 0 8 0 85 0 9 0 95 1 05 1 1 1 15 1 2 1 25 1 3 5 65 5 7 5 75 5 8 5 85 5 9 5 95 6 6 05 2 2 5 3 3 5 4 4 5 5 16 18 20 22 24 26 4 5 6 7 8 9 10 20 22 24 2...

Page 10: ...aintained Inspection of the set torque Clutch release inspection Bearing or bearing pre tension inspection Re greasing of the transmission geometries balls recesses and sealing elements Clutch re grea...

Page 11: ...tment and that the adjusting nut sits securely 5 If the cause of malfunction cannot be found the clutch must be inspected at the place of manufacture Loosened screws Loosened adjusting nut Malfunction...

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