Simulation and compensation of thermal errors of machine tools:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2012
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschrittberichte VDI
Reihe 2, Fertigungstechnik ; 686 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. Sprache |
| Beschreibung: | XVI, 131 S. Ill., graph. Darst. |
| ISBN: | 9783183686025 |
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Datensatz im Suchindex
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| adam_text | IMAGE 1
CONTENTS
LIST O F S Y M B O L S VII
LIST O F ABBREVIATIONS XII
A B S T R A C T XIII
KURZFASSUNG X V
1 I N T R O D U C T I O N A N D S T A T E O F T H E A R T 1
1.] T H E R M A L INFLUENCES ON MACHINE TOOLS 1
1.1.1 EXTERNAL HEAT; SOURCES AND SINKS 2
1.1.2 INTERNAL HEAL, SOURCES A N D SINKS 3
1.2 MEASURING THERMAL DEFORMATION 3
1.2.1 STANDARDS 3
1.2.2 ALTERNATIVE METHODS 6
1.3 SIMULATION OF T H E R M A L DEFORMATION 7
1.3.1 SIMULATION OF INDIVIDUAL COMPONENTS 7
1.3.2 SIMULATION OF MACHINE TOOLS 0
1.4 REDUCTION OF THERMAL ERRORS 10
1.4.1 REDUCING T E M P E R A T U R E VARIATIONS 10
1.4.2 REDUCTION OF THERMAL SENSITIVITY 11
1.4.3 COMPENSATION 12
1.5 DEFICIENCIES OF T H E S T A T E OF A R T 15
1.0 OUTLINE 17
2 M E A S U R E M E N T S O F T H E R M A L D E F O R M A T I O N O F M
A C H I N E T O O L S 1 9
2.1 MEASUREMENT. DEVICES 19
2.1.1 T E M P E R A T U R E 19
2.1.2 DISPLACEMENTS 20
2.2 NC-ON: MACHINE TOOL WARM-UP 21
2.3 ENVIRONMENTAL TEMPERATURE VARIATION ERROR 22
2.4 LINEAR AXES 23
2.4.1 DIRECT A N D INDIRECT MEASUREMENT . 23
2.5 ROTARY AXES . 25
2.5.1 TILTING SPINDLE . 25
2.5.2 ROTARY-TURNING UNIT . 20
2.6 SPINDLE DRIFT 29
2.7 SUMMARY 30
III
HTTP://D-NB.INFO/1027957188
IMAGE 2
C O N T E N T S
3 VIRTUAL M A C H I N E P R O T O T Y P E ( V M P ) - S O F T W A R E T
O S I M U L A T E M A C H I N E TOOLS 3 3
3.1 DESIGNING MACHINES WITH V M P 34
3.1.1 STATIC BEHAVIOR 34
3.1.2 DYNAMIC BEHAVIOR 35
3.1.3 THERMAL BEHAVIOR 35
3.1.4 ENERGY CONSUMPTION 35
3.1.5 COMPENSATION 36
3.2 SOFTWARE LAYOUT A N D GUI 36
4 M O D E L I N G M A C H I N E TOOLS 4 0
4.1 PROGRAM LAYOUT 40
4.2 N C - P A T H 4 3
4.3 MULTIBODY DYNAMICS 4 3
4.3.1 MASS A N D INERTIA 44
4.3.2 STIFFNESS 45
4.3.3 LOADS 45
4.4 LOAD DEPENDENCY 46
4.5 T H E R M A L F E M 4 7
4.5.1 MODELING A SINGLE AXIS 4 7
4.5.2 COUPLING OF AXES 47
4.6 MECHANICAL F E M 49
5 T H E R M O M E C H A N I C A L F E M 5 0
5.1 T H E R M A L MODEL 50
5.1.1 T H E F E M EQUATIONS A T T H E DOMAIN-LEVEL 50
5.1.2 GLOBAL SYSTEM OF EQUATIONS 52
5.1.3 MECHAJIICAL SYSTEM OF EQUATIONS 54
5.2 COMBINING T H E THERMAL A N D MECHANICAL MODEL 54
5.3 BULK NODES 55
6 ROLLING B O D I E S 5 6
6.1 PRINCIPLE PHYSICS 50
6.1.1 HERTZIAN PRESSURE 56
6.1.2 RELATIVE MOTIONS 57
6.1.3 ELASTOHYDRODYNAMIC LUBRICATION 57
6.1.4 HEAT CONDUCTIVITY 59
6.2 BALL SCREW 61
6.2.1 LOAD ON T H E BODIES 61
6.2.2 FRICTIONAL LOSSES 63
6.2.3 HEAT CONDUCTIVITY 64
6.3 G U I D E ELEMENTS 64
6.3.1 LOAD ON T H E BODIES 64
6.3.2 FRICTIONAL LOSSES 66
6.3.3 HEAT CONDUCTIVITY 67
6.4 BEARINGS 67
6.4.1 FRICTIONAL LOSSES 67
6.4.2 HEAT CONDUCTIVITY 69
I V
IMAGE 3
C ON T E N T S
7 ELECTRIC DRIVES 7 1
7.1 THERMAL EQUIVALENT, NETWORK . 71
7.2 T H E R M A L RESISTANCES A N D CAPACITANCES . 72
7.2.1 AIR G A P 7 3
7.2.2 INTERNAL AIR 73
7.2.3 LAMINATION 74
7.2.4 HOUSING 74
7.3 LOSSES 74
7.3.1 OLNNIC LOSSES 75
7.3.2 IRON LOSSES 75
7.3.3 [TEARING LOSSES 76
8 COOLING DEVICES 7 7
8.1 T U B E AND TANK ELEMENT 77
8.2 TEMPERATURE CONTROLLER 78
8.3 EXAMPLES 78
9 M O D E L VERIFICATION 8 4
9.1 TEST, SETUP 84
9.2 SIMULATION OF LINEAR AXIS MOVEMENT 85
9.2.1 MEASUREMENT CYCLE 85
9.2.2 TEMPERATURES 86
9.2.3 DISPLACEMENTS 88
9.3 SIMULATION OF ROTARY AXIS MOVEMENT; 90
9.3.1 MEASUREMENT, CYCLE 90
9.3.2 RESULTS 91
10 T H E R M A L C O M P E N S A T I O N W I T H F E M 9 4
10.1 T H E R M A L SPACE ERROR COMPENSATION 94
10.2 REDUCTION OF T H E MECHANICAL F E MODEL 95
10.3 IMPLEMENTATION 97
10.4 CHALLENGES 98
11 I M P L E M E N T A T I O N O F T H E C O M P E N S A T I O N 1 0 2
11.1 T H E MACHINE TOOL 102
11.2 LINEAR SPINDLE COMPENSATION 103
11.2.1 TEST PROCEDURE 103
11.2.2 SENSOR-BASED COMPENSATION 104
11.2.3 MODEL-BASED COMPENSATION 100
11.3 FEM-BASED COMPENSATION 107
11.3.1 T H E MODEL OF T H E MACHINE TOOL 107
11.3.2 TEST; PROCEDURE 108
11.3.3 DISPLACEMENTS . . . . . 109
12 CONCLUSION A N D O U T L O O K 1 1 2
12.1 CONCLUSION 112
12.2 OUTLOOK 113
V
IMAGE 4
C O N T E N T S
A A P P E N D I X 1 1 4
A . L SPATIAL DISCRETIZATION 114
A.2 T I M E DISCRETIZATION 115
A.3 SHAPE-FUNCTIONS A N D NUMERICAL-QUADRATURE 117
LIST O F P U B L I C A T I O N S 1 2 2
BIBLIOGRAPHY 1 2 3
VI
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| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Werkstoffwissenschaften / Fertigungstechnik |
| edition | Als Ms. gedr. |
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| indexdate | 2024-07-10T00:25:46Z |
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| spelling | Ess, Markus Verfasser aut Simulation and compensation of thermal errors of machine tools Markus Ess Als Ms. gedr. Düsseldorf VDI-Verl. 2012 XVI, 131 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Fortschrittberichte VDI : Reihe 2, Fertigungstechnik 686 Zürcher Schriften zur Produktionstechnik Zsfassung in dt. Sprache Zugl.: Zürich, Techn. Univ., Diss. Werkzeugmaschine (DE-588)4065604-4 gnd rswk-swf Korrektur (DE-588)4205358-4 gnd rswk-swf Thermomechanische Eigenschaft (DE-588)4194417-3 gnd rswk-swf Finite-Elemente-Methode (DE-588)4017233-8 gnd rswk-swf Maschinenelement (DE-588)4037805-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Werkzeugmaschine (DE-588)4065604-4 s Maschinenelement (DE-588)4037805-6 s Thermomechanische Eigenschaft (DE-588)4194417-3 s Korrektur (DE-588)4205358-4 s Finite-Elemente-Methode (DE-588)4017233-8 s DE-604 Fortschrittberichte VDI Reihe 2, Fertigungstechnik ; 686 (DE-604)BV000897203 686 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025372208&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ess, Markus Simulation and compensation of thermal errors of machine tools Fortschrittberichte VDI Werkzeugmaschine (DE-588)4065604-4 gnd Korrektur (DE-588)4205358-4 gnd Thermomechanische Eigenschaft (DE-588)4194417-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Maschinenelement (DE-588)4037805-6 gnd |
| subject_GND | (DE-588)4065604-4 (DE-588)4205358-4 (DE-588)4194417-3 (DE-588)4017233-8 (DE-588)4037805-6 (DE-588)4113937-9 |
| title | Simulation and compensation of thermal errors of machine tools |
| title_auth | Simulation and compensation of thermal errors of machine tools |
| title_exact_search | Simulation and compensation of thermal errors of machine tools |
| title_full | Simulation and compensation of thermal errors of machine tools Markus Ess |
| title_fullStr | Simulation and compensation of thermal errors of machine tools Markus Ess |
| title_full_unstemmed | Simulation and compensation of thermal errors of machine tools Markus Ess |
| title_short | Simulation and compensation of thermal errors of machine tools |
| title_sort | simulation and compensation of thermal errors of machine tools |
| topic | Werkzeugmaschine (DE-588)4065604-4 gnd Korrektur (DE-588)4205358-4 gnd Thermomechanische Eigenschaft (DE-588)4194417-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Maschinenelement (DE-588)4037805-6 gnd |
| topic_facet | Werkzeugmaschine Korrektur Thermomechanische Eigenschaft Finite-Elemente-Methode Maschinenelement Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025372208&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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