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Installation and Operational Instructions for EAS

®

-compact

®

 

 

Ratchetting clutch,  Type 49_._ _0._ 

Sizes 01 to 3

 

Synchronous clutch, Type 49_._ _5._ 

Sizes 01 to 3

 

(B.4.14.EN)

 

17/03/2021 TK/NU/GC/GF/SU 

 

Chr. Mayr GmbH + Co. KG

 

 

Eichenstraße 1, D-87665 Mauerstetten, Germany

 

 

Phone: +49 8341 804-0, Fax: +49 8341 804-421

 

Page 1 of 22 

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 

Page 2:

  - Safety Regulations 

 

- Safety and Guideline Signs 

Page 3:

  - Clutch Illustrations (Variants) 

Page 4:

  - Parts List 

Page 5:

  -

 

General Technical Data 

Page 6:

  - Screw Tightening Torques 

 

- Technical Data Type 493._ _ _.0 

Page 7:

  -

 

Technical Data Type 494._ _ _._ 

Page 8:

  -

 

Technical Data Type 494._ _ _._ 

Page 9:

  -

 

Technical Data Type 496._ _ _._ 

Page 10:

 - Design 

 

- Scope of Delivery / State of Delivery 

 

- Function  

Page 11:

 - Output Elements

 

Installation 

Page 12:

 - Cup Spring Layering 

 

- Mounting the Clutch onto the Shaft 

 

- De-installation of the Cone Bushings and Shrink Disks 

Page 13:

 - Shaft Installation via Key Connection 

 

- Joining Both Clutch Hubs Type 493._ _ _.0 

 

- Joining Both Clutch Components Type 494._ _ _._ 

 

- Joining Both Clutch Components Type 496._ _ _._ 

Page 14:

 - Permitted Shaft Misalignments 

 

- Clutch Alignment 

Page 15:

 - Torque Adjustment 

Page 16:

 - Torque Adjustment for Standard Adjusting Nut 

Page 17:

 - Torque Adjustment for Adjusting Nut with Radial Clamping 

Page 18: 

 - Limit Switch Installation 

 

- Maintenance and Maintenance Intervals 

 

- Disposal 

Page 19:

 - Malfunctions / Breakdowns Type 490._ _ _._ 

 

- Malfunctions / Breakdowns Type 493._ _ _.0 

Page 20:

 - Malfunctions / Breakdowns Type 494._ _ _._ 

Page 21:

 - Malfunctions / Breakdowns Type 494._ _ _._ 

Page 22:

 - Malfunctions / Breakdowns Type 496._ _ _._ 

 
 

Содержание EAS-compact 49 0 Series

Страница 1: ..._ _ _ Page 8 Technical Data Type 494 _ _ _ _ Page 9 Technical Data Type 496 _ _ _ _ Page 10 Design Scope of Delivery State of Delivery Function Page 11 Output Elements Installation Page 12 Cup Spring...

Страница 2: ...ry Without a conformity evaluation this product is not suitable for use in areas where there is a high risk of explosion This statement is based on the ATEX directive DANGER If the EAS clutches are mo...

Страница 3: ...GmbH Co KG Eichenstra e 1 D 87665 Mauerstetten Germany Phone 49 8341 804 0 Fax 49 8341 804 421 Page 3 of 22 www mayr com E Mail public mayr mayr com Fig 1 Stroke Type 494 _1_ _ Type 494 _0_ _ Type 494...

Страница 4: ...Cap screw 8 Steel ball 26 Set screw 9 Cup spring 10 Hexagon head screw 1 Additional parts for Type 496 10 1 Cap screw page 17 Figs 12 13 Item Name 11 Hexagon head screw 27 Intermediate flange 12 Limi...

Страница 5: ...0 Table 3 Type 49_ 5_ _ _ Type 49_ 6_ _ _ Type 49_ 7_ _ _ Type 49_ 8_5 _ Size Maximum torque MG Nm Inspection dimension a 3 Figs 11 12 at approx 70 MG mm Maximum torque MG Nm Inspection dimension a 3...

Страница 6: ...upling Type 493 Nominal torque TKN steel bellows coupling Type 493 Nm Bores steel bellows side Type 493 _1_ _ mm Type 493 _2_ _ mm Type 493 _3_ _ mm Size Axial K a mm Radial K r mm Angular K w 01 0 4...

Страница 7: ...inal and maximum torques flexible backlash free shaft coupling TKN and TK max Type 494 _ _ _ 3 yellow elastomeric element 92 Sh A Type 494 _ _ _ 4 red elastomeric element 98 Sh A Type 494 _ _ _ 6 gree...

Страница 8: ...20 22 24 25 28 30 32 01 34 36 43 45 50 54 57 63 0 79 83 91 100 104 116 124 133 1 83 91 100 104 116 124 133 2 208 228 248 3 Size 35 38 40 42 45 48 50 52 55 01 0 145 1 145 158 166 174 187 2 280 315 340...

Страница 9: ...0 25 45 25 42 150 225 1 25 45 16 32 300 450 2 40 60 25 50 650 975 3 45 70 30 55 1100 1650 Table 14 Transmittable torques Nm on shrink disk hubs frictional locking Type 496 _1_ _ dependent on bore suit...

Страница 10: ...ke no responsibility for belated complaints Please report transport damage immediately to the deliverer Please report incomplete delivery and obvious defects immediately to the manufacturer Function T...

Страница 11: ...ch pressure flange 2 The EAS compact with a long protruding hub Type 490 _ _ _ 1 Fig 2 is recommended for extremely wide output elements or for elements with small diameters On very small diameters th...

Страница 12: ...nto both shaft ends using a suitable device and bring it them into the correct position Tighten the tensioning screws 11 of the cone bushing 13 in 2 steps cross wise and then in 3 to max 6 tightening...

Страница 13: ...ger of bellows deformation Fig 6 Joining Both Clutch Components 1 23 for Type 494 _ _ _ _ Figs 1 and 6 The flexible elastomeric element 22 is pre tensioned between the metal claws by joining component...

Страница 14: ...6 10 and 15 refer to clutch operation at nominal torque an ambient temperature of 30 C and an operating speed of 1500 rpm If the clutch is operated in other or more extreme operating conditions pleas...

Страница 15: ...he installed cup springs 9 are operated in the negative range of the characteristic curve see Fig 9 this means that a stronger pre tensioning of the cup spring results in a decrease of the spring forc...

Страница 16: ...ting nut 5 clockwise causes a reduction in torque Turning it anti clockwise causes an increase in torque You should be facing the adjusting nut 5 as shown in Fig 10 Adjusting the torque for standard a...

Страница 17: ...an increase in torque You should be facing the adjusting nut 5 1 as shown in Fig 13 Adjusting the torque for adjusting nut with radial clamping a Please convert the required torque using the formula b...

Страница 18: ...inspection Inspection of the shaft hub connection Inspection of the screw tightening torques The specified tightening torques Table 5 must be maintained Inspection of the set torque Clutch release ins...

Страница 19: ...urement 1 Set the system out of operation 2 Check the clutch securement 3 Check the screw tightening torques 4 Check the torque adjustment and that the adjusting nut sits securely 5 If the cause of ma...

Страница 20: ...ration 2 Check the clutch alignment 3 Tighten the tensioning and clamping screws for axial hub securement and the connection screws to the required torque or tighten the locking set screw and secure i...

Страница 21: ...lignment and correct if necessary 6 Make sure that further physical changes to the elastomeric element can be ruled out The ambient or contact temperatures permitted for the elastomeric element are ex...

Страница 22: ...torque or tighten the locking set screw and secure it against self loosening using sealing lacquer 4 Check the clutch for wear Disk pack breakage Disk pack breakage due to high load impacts overload...

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