Moog D633-A Series Manuale utente

DIRECT DRIVE SERVOVALVES SIZE 03 (NG6)

Original User Manual

(CA80942-001; Version 1.0, 12/08)

USER MANUAL

D633-A SERIES

Hanns-Klemm-Straße 28

71034 Böblingen

Germany

No part of this user manual may be reproduced in any form (print, photocopies, microfilm, or by any other

means) or edited, duplicated, or distributed with electronic systems without our prior written consent.

Offenders will be held liable for the payment of damages.

Subject to change without notice.

Telephone: +49 7031 622-0

Fax: +49 7031 622-191

E-mail: [email protected]

Internet: http://www.moog.com/Industrial

Table of Contents

Copyright ................................................................................................................................................... A

List of Tables ..............................................................................................................................................v

List of Figures ............................................................................................................................................vi

1 General Information ..................................................................................1

1.1 Notes on the user manual........................................................................................................... 1

1.1.1 Validity and subject to change without notice................................................................. 1

1.1.2 Completeness ................................................................................................................ 1

1.1.3 Storage location ............................................................................................................. 1

1.1.4 Typographical conventions............................................................................................. 2

1.2 Supplementing documents ........................................................................................................ 2

1.3 Manufacturer’s declaration......................................................................................................... 3

1.4 Registered trademarks................................................................................................................ 3

1.5 Warranty and liability .................................................................................................................. 4

2 Safety .........................................................................................................5

2.1 Intended operation ...................................................................................................................... 5

2.2 Handling in accordance with safety requirements................................................................... 6

2.3 Responsibilities ........................................................................................................................... 7

2.4 Selection and qualification of personnel .................................................................................. 8

2.5 Structural modifications ............................................................................................................. 8

2.6 Occupational safety and health ................................................................................................. 9

2.7 General safety instructions ........................................................................................................ 9

2.8 Pressure limitation .................................................................................................................... 10

3 Product Description................................................................................11

3.1 Function and mode of operation.............................................................................................. 11

3.1.1 Representative depiction of the valve .......................................................................... 11

3.1.2 Permanent magnet linear force motor.......................................................................... 12

3.1.3 Signal interfaces........................................................................................................... 12

3.2 Safety function/fail-safe ............................................................................................................ 13

3.2.1 Mechanical fail-safe functions ...................................................................................... 13

3.2.1.1 Valves with fail-safe function F, D or M ................................................... 14

3.2.1.2 Mechanical fail-safe state........................................................................ 14

3.2.1.3 Fail-safe identification.............................................................................. 14

3.2.1.4 Bushing-spool identification..................................................................... 15

3.2.2 Restarting the valve...................................................................................................... 15

3.3 Hydraulics .................................................................................................................................. 16

3.3.1 Open-loop flow control (Q-control) ............................................................................... 16

3.3.2 Valve configurations and hydraulic symbols ................................................................ 16

3.3.2.1 4-way and 3-way operation ..................................................................... 16

3.3.2.2 2-way and 2x2-way operation ................................................................. 17

3.3.3 Leakage port Y............................................................................................................. 17

3.3.3.1 Y-identification......................................................................................... 17

3.4 Activation ................................................................................................................................... 18

Table of Contents

3.5 Nameplate .................................................................................................................................. 18

3.5.1 Model number .............................................................................................................. 18

3.5.2 Type Designation ......................................................................................................... 19

3.5.2.1 Valve version identification...................................................................... 19

3.5.2.2 Rated flow identification .......................................................................... 20

3.5.2.3 Maximum pressure identification............................................................. 20

3.5.2.4 Bushing-spool identification..................................................................... 21

3.5.2.5 Linear force motor identification .............................................................. 21

3.5.2.6 Fail-safe identification.............................................................................. 22

3.5.2.7 Y-identification......................................................................................... 22

3.5.2.8 Sealing material identification.................................................................. 22

3.5.2.9 Valve connector identification.................................................................. 23

3.5.2.10 Command signal identification ................................................................ 23

3.5.3 Data matrix code .......................................................................................................... 23

4 Technical Data .........................................................................................25

4.1 General technical data .............................................................................................................. 25

4.2 Hydraulic data............................................................................................................................ 26

4.3 Static and dynamic data ........................................................................................................... 26

4.4 Electrical data ............................................................................................................................ 27

4.5 Emissions................................................................................................................................... 27

5 Characteristic Curves .............................................................................29

5.1 Dependency of flow and pressure drop .................................................................................. 29

5.2 Flow signal characteristic curve .............................................................................................. 29

5.3 Spool stroke signal characteristic curve ................................................................................ 30

5.4 Pressure signal characteristic curve....................................................................................... 30

5.5 Step response and frequency response ................................................................................. 31

6 Transportation and Storage ...................................................................33

6.1 Unpacking/checking a delivery ................................................................................................ 34

6.2 Scope of delivery of the valve .................................................................................................. 34

6.3 Storage ....................................................................................................................................... 34

7 Mounting and Connection to the Hydraulic System............................35

7.1 Dimensions (installation drawings) ......................................................................................... 36

7.2 Mounting surface....................................................................................................................... 37

7.2.1 Surface quality.............................................................................................................. 37

7.2.2 Mounting pattern of mounting surface.......................................................................... 37

7.3 Mounting the valves .................................................................................................................. 38

7.3.1 Tools and materials required........................................................................................ 38

7.3.2 Specification for installation screws.............................................................................. 38

7.3.3 Procedure..................................................................................................................... 39

8 Electrical Connection .............................................................................41

8.1 Wiring ......................................................................................................................................... 42

8.1.1 Tools and materials required........................................................................................ 42

8.1.2 Electrical connection of the valves ............................................................................... 42

8.2 Valve connector X1 ................................................................................................................... 43

8.2.1 M12 valve connector X1............................................................................................... 43

8.2.2 MIL valve connector X1................................................................................................ 43

8.3 Grounding screw ....................................................................................................................... 44

Table of Contents

9 Start-up.....................................................................................................45

9.1 Preparations............................................................................................................................... 47

9.2 Start-up of the valves ................................................................................................................ 47

9.3 Filling and flushing the hydraulic system............................................................................... 48

9.4 Start-up of the hydraulic system.............................................................................................. 49

9.4.1 Venting the hydraulic system ....................................................................................... 49

10 Operation .................................................................................................51

10.1 Preparations for operation ....................................................................................................... 52

10.2 Operation of the valve............................................................................................................... 53

10.3 Shutting down the valve ........................................................................................................... 53

11 Service .....................................................................................................55

11.1 Removing the valves................................................................................................................. 57

11.1.1 Tools and materials required........................................................................................ 57

11.1.2 Procedure..................................................................................................................... 57

11.2 Maintenance............................................................................................................................... 58

11.2.1 Checking and replacing the port O-rings...................................................................... 58

11.2.1.1 Tools and materials required................................................................... 58

11.2.1.2 Checking and replacing the O-rings ........................................................ 58

11.3 Troubleshooting ........................................................................................................................ 59

11.3.1 Leaks............................................................................................................................ 59

11.3.1.1 Leak at the valve connecting surface ...................................................... 59

11.3.1.2 Leak at the linear force motor screw plug ............................................... 59

11.3.2 No hydraulic response by the valve ............................................................................. 60

11.3.3 Instability of the external control loop ........................................................................... 60

11.4 Repair ......................................................................................................................................... 61

11.4.1 Contact persons for repairs.......................................................................................... 61

12 Disposal ...................................................................................................63

13 Accessories and Spare Parts.................................................................65

13.1 Accessories ............................................................................................................................... 65

13.2 Spare parts................................................................................................................................. 66

14 Index.........................................................................................................67

15 Appendix..................................................................................................75

15.1 Abbreviations, symbols and identification letters ................................................................. 75

15.2 Additional literature................................................................................................................... 77

15.2.1 Moog publications ........................................................................................................ 77

15.3 Quoted standards...................................................................................................................... 77

15.3.1 DIN ............................................................................................................................... 77

15.3.2 DIN EN ......................................................................................................................... 77

15.3.3 DIN EN ISO..................................................................................................................78

15.3.4 EN ................................................................................................................................ 78

15.3.5 IEC ............................................................................................................................... 78

15.3.6 ISO ............................................................................................................................... 78

15.3.7 MIL ............................................................................................................................... 78

15.4 Quoted directives ...................................................................................................................... 78

Table of Contents

For your notes.

List of Tables

Table 1: Position of the spool in the mechanical valve fail-safe state .......................................................... 14

Table 2: Fail-safe identification in the type designation ............................................................................... 14

Table 3: Bushing-spool identification in the type designation ...................................................................... 15

Table 4: Y-identification in the type designation........................................................................................... 17

Table 5: Valve version identification in the type designation........................................................................ 19

Table 6: Rated flow identification in the type designation ............................................................................ 20

Table 7: Maximum pressure identification in the type designation............................................................... 20

Table 8: Bushing-spool identification in the type designation ...................................................................... 21

Table 9: Linear force motor identification in the type designation ................................................................21

Table 10: Fail-safe identification in the type designation ............................................................................... 22

Table 11: Y-identification in the type designation........................................................................................... 22

Table 12: Sealing material identification in the type designation ................................................................... 22

Table 13: Valve version identification in the type designation........................................................................ 23

Table 14: Command signal identification in the type designation .................................................................. 23

Table 15: General technical data ................................................................................................................... 25

Table 16: Hydraulic data ................................................................................................................................ 26

Table 17: Static and dynamic data................................................................................................................. 26

Table 18: Electrical data................................................................................................................................. 27

Table 19: Specification for installation screws ............................................................................................... 38

Table 20: Accessories.................................................................................................................................... 65

Table 21: Spare parts..................................................................................................................................... 66

Table 22: Abbreviations, symbols and identification letters ........................................................................... 75

List of Figures

Figure 1: Representative depiction of a direct drive servovalve...................................................................11

Figure 2: Representative depiction of a permanent magnet linear force motor ........................................... 12

Figure 3: 4-way operation with mechanical fail-safe function F (hydraulic symbol) ..................................... 16

Figure 4: 3-way operation with mechanical fail-safe function F (hydraulic symbol) ..................................... 16

Figure 5: 2-way operation with mechanical fail-safe function M (hydraulic symbol)..................................... 17

Figure 6: 2x2-way operation with mechanical fail-safe function M (hydraulic symbol)................................. 17

Figure 7: Nameplate (example).................................................................................................................... 18

Figure 8: Flow signal characteristic curve .................................................................................................... 29

Figure 9: Setup for measuring the flow signal characteristic curve .............................................................. 29

Figure 10: Spool stroke signal characteristic curve........................................................................................ 30

Figure 11: Pressure signal characteristic curve of the valves with zero lap ................................................... 30

Figure 12: Setup for measuring the pressure signal characteristic curve ...................................................... 30

Figure 13: Step response of the spool stroke................................................................................................. 31

Figure 14: Frequency response of the spool stroke ....................................................................................... 31

Figure 15: Installation drawings for valves with M12 or MIL valve connector, dimensions in mm (inches).... 36

Figure 16: Mounting pattern of mounting surface as per ISO 4401-03-03-0-05, dimensions in mm (inches) 37

Figure 17: M12 valve connector X1 (circuit and pin assignment)................................................................... 43

Figure 18: MIL valve connector X1 (circuit and pin assignment).................................................................... 43

Figure 19: Grounding screw........................................................................................................................... 44

Figure 20: Repair quality seal......................................................................................................................... 61

1 General Information Notes on the user manual

1 General Information

1.1 Notes on the user manual

Notes on the user manualThis user manual applies only to the standard models of D633-A series valves.

It contains the most important information for ensuring proper and correct oper-

ation of the valves.

ÖChapter "2.1 Intended operation", page 5

ÖChapter "2.2 Handling in accordance with safety requirements", page 6

The contents of this user manual and the product-related hardware and soft-

ware documentation relevant to the particular application must be read, under-

stood and followed in all points by each person responsible for machine plan-

ning, assembly and operation before work with and on the valves is started.

This requirement applies in particular to the safety instructions.

ÖChapter "1.1.2 Completeness", page 1

ÖChapter "2.3 Responsibilities", page 7

ÖChapter "2.4 Selection and qualification of personnel", page 8

ÖChapter "2.2 Handling in accordance with safety requirements", page 6

This user manual has been prepared with great care in compliance with the rel-

evant regulations, state-of-the-art technology and our many years of knowl-

edge and experience. The full contents have been generated to the best of the

authors’ knowledge.

However, the possibility of error remains and improvements are possible.

Please feel free to submit any comments about possible errors and incomplete

information to us.

1.1.1 Validity and subject to change without notice

Validity of the user manual

and subject to change

without notice

The information contained in this user manual is valid and correct at the mo-

ment of release of this version of the user manual. The version number and re-

lease date of this user manual are indicated in the footer.

Changes may be made to this user manual at any time and without reasons

being given.

1.1.2 Completeness

Completeness of the

user manual

This user manual is only complete in conjunction with the product-related hard-

ware and software documentation required for the relevant application.

Available documents:

ÖChapter "1.2 Supplementing documents", page 2

1.1.3 Storage location

Storage location for the

user manual

This user manual together with all of the product-related hardware and soft-

ware documentation relevant to the particular application must be kept ready to

hand and accessible close to the valve or the higher-level machine at all times.

Special models of the valves custom-made for specific customers are not

explained in this user manual.

Please contact us or one of our authorized service centers for information

on these special models.

1 General Information Supplementing documents

1.1.4 Typographical conventions

Typographical

conventions

1.2 Supplementing documents

Supplementing

documents

The following supplementing documents are available:

• Application notes "Technical Note TN 353"

Protective grounding and electrical shielding of hydraulic valves with

integrated electronics

• Application notes "Technical Note TN 494"

Maximum permissible lengths of electric cables for the connection of

hydraulic valves with integrated electronics

DANGER Identifies safety instructions which are intended to warn

of immediately imminent danger to life and limb or serious

damage to property.

Failure to comply with these safety instructions will inevi-

tably result in fatalities, serious personal injuries (disable-

ment) or serious damage to property!

WARNING Identifies safety instructions which are intended to warn

of possible danger to life and limb or possible serious

damage to property.

Failure to comply with these safety instructions may result in

fatalities, serious personal injuries (disablement) or serious

damage to property!

CAUTION Identifies safety instructions which are intended to warn of mi-

nor personal injuries or minor damage to property.

Failure to comply with these safety instructions may result in

minor personal injuries or minor damage to property.

Identifies important notes/information

• or – Identifies listings

ÖIdentifies references to another chapter, another page, table or

illustration in the user manual

"…" Identifies headings of chapters or titles of documents, which

are referenced

Blue text Identifies hyperlinks in the PDF file

1., 2., … Identifies steps in a procedure which must be performed in

consecutive order

tIdentifies the direction of the valve opening (e.g., PtT)

The supplementing documents mentioned here are not included in the

valves’ scope of delivery. They are available as accessories.

ÖChapter "13.1 Accessories", page 65

The PDF files of the supplementing documents can be downloaded from

the following link:

http://www.moog.com/Industrial/Literature

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