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December 2001
Spindle
6 – 197
6.12.6 Braking the Spindle for an Emergency Stop
For an emergency stop the spindle must be braked as quickly as possible. If
the braking energy cannot be drawn off quickly enough, the dc-link voltage
increases sharply. Under circumstances, the inverter could switch off and the
spindle coast to a stop. A powerful braking of the spindle also leads to a high
strain on the mechanics of the machine.
All of the following braking strategies are also effective when braking the
spindle with M05, if the brake ramp in M05 is steeper than the brake ramp in
the emergency-stop braking strategy.
Spindle without
integral DSP
Controls without integral spindle DSP offer you three strategies for braking the
spindle in an emergency stop. If you use a second digital spindle, all three
strategies are available for it:
n
Strategy 1: The maximum braking current is monitored and, if required,
limited.
n
Strategy 2: The regenerated power is influenced by a time constant.
n
Strategy 3: The brake ramp can be entered.
The nominal velocity 0 is output for strategies 1 and 2.
The strategies are also effective during a power fail and with M05 if the brake
ramp set in MP3411 and MP3412 is steeper than the brake ramp which would
result from the strategies.
Inverters with regenerative power supplies usually do not develop problems if
they are switched off. The main concern here is for the mechanics of the
machine.
Problems with inverters with braking resistors can arise if the drive is switched
off too early. The strain on the mechanics is reduced, but can also be
influenced with braking strategies. Strategy 3 is recommended for both
inverter systems.
Strategy 3:
7
7
7
7
Enter MP236x = 0 and MP2191 = 1.
7
7
7
7
Enter a high value in MP259x.
7
7
7
7
Use the emergency stop to brake the spindle from the maximum speed.
7
7
7
7
Decrease the value entered in MP259x until the braking time is as short as
possible and the mechanics of the machine are not stressed too much.
Strategy 1:
7
7
7
7
Enter MP236x = 0 and MP259x = 0.
7
7
7
7
Enter MP2191 = 1.
Strategy 2:
7
7
7
7
Enter MP2191 = 0 and MP259x = 0.
7
7
7
7
In MP236x, enter a high value, e.g. 4.
7
7
7
7
Use the emergency stop to brake the spindle from the maximum speed.
Note
The strategies are not mutually exclusive, meaning all strategies may be
activated. In an emergency stop the first addressed strategy becomes
effective.
Содержание TNC 426 CB
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Страница 125: ...December 2001 Encoders 3 43 ...
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Страница 141: ...December 2001 Touch Probe Systems 3 59 ...
Страница 145: ...December 2001 Data Interface 3 63 ...
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Страница 168: ...3 86 HEIDENHAIN Technical Manual TNC 426 TNC 430 ...
Страница 183: ...December 2001 BTS 1x0 Monitor Keyboard Switch 3 101 ...
Страница 187: ...December 2001 Dimensions 3 105 3 23 Dimensions Note All dimensions in mm ...
Страница 190: ...3 108 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 3 LE 426 M LE 430 M Max 6 Axes Weight approx 8 5 kg ...
Страница 191: ...December 2001 Dimensions 3 109 3 23 4 LE 430 M Max 9 Axes Weight approx 9 kg ...
Страница 192: ...3 110 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 5 TE 420 Weight 2 4 kg F Front panel opening M Mounting surface ...
Страница 193: ...December 2001 Dimensions 3 111 3 23 6 MB 420 Weight 0 9 kg F Front panel opening M Mounting surface ...
Страница 194: ...3 112 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 7 BC 120 Weight 14 kg F Front panel opening M Mounting surface ...
Страница 195: ...December 2001 Dimensions 3 113 3 23 8 BF 120 Weight 3 kg F Front panel opening M Mounting surface ...
Страница 196: ...3 114 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 9 BTS 110 ...
Страница 197: ...December 2001 Dimensions 3 115 3 23 10 BTS 120 ...
Страница 198: ...3 116 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 11 PL 4xx B Weight 1 5 kg I PLC inputs O PLC outputs ...
Страница 201: ...December 2001 Dimensions 3 119 3 23 14 Handwheels HR 130 Weight approx 0 7 kg ...
Страница 202: ...3 120 HEIDENHAIN Technical Manual TNC 426 TNC 430 HR 150 Weight approx 0 7 kg ...
Страница 203: ...December 2001 Dimensions 3 121 HR 410 ...
Страница 205: ...December 2001 Dimensions 3 123 HRA 110 Weight approx 1 5 kg ...
Страница 206: ...3 124 HEIDENHAIN Technical Manual TNC 426 TNC 430 Control knob for HR 130 and HR 150 ...
Страница 207: ...December 2001 Dimensions 3 125 3 23 15 Touch probe systems TT 130 ...
Страница 209: ...December 2001 Dimensions 3 127 TS 220 Adapter cable for TS 120 TS 220 ...
Страница 210: ...3 128 HEIDENHAIN Technical Manual TNC 426 TNC 430 EA 6x2 Receiver Unit ...
Страница 211: ...December 2001 Dimensions 3 129 TS 632 ...
Страница 212: ...3 130 HEIDENHAIN Technical Manual TNC 426 TNC 430 APE 652 ...
Страница 213: ...December 2001 Dimensions 3 131 ...
Страница 214: ...3 132 HEIDENHAIN Technical Manual TNC 426 TNC 430 ...
Страница 215: ...December 2001 3 133 3 24 Grounding Diagrams 3 24 1 Grounding diagram TNC 426 CB PB TNC 430 CA PA ...
Страница 216: ...December 2001 3 134 3 24 2 Grounding Diagram for TNC 426 M TNC 430 M with Modular Nonregenerative HEIDENHAIN Inverter ...
Страница 217: ...December 2001 3 135 3 24 3 Grounding Diagram for TNC 426 M TNC 430 M with Modular Energy Recovery HEIDENHAIN Inverter ...
Страница 218: ...December 2001 3 136 3 24 4 Grounding Diagram for TNC 426 M TNC 430 M with HEIDENHAIN Compact Inverter UE 2xx B ...
Страница 219: ...December 2001 3 137 3 24 5 Grounding plan TNC 426 M TNC 430 M with POWERDRIVE Inverter System ...
Страница 225: ...December 2001 3 143 3 25 4 Basic Circuit Diagram for TNC 426 M with HEIDENHAIN Compact Inverter UE 2xx with UV 102 ...
Страница 228: ...December 2001 3 146 3 25 7 Basic Circuit Diagram TNC 426 M TNC 430 M with SIMODRIVE 611D in Single Row ...
Страница 230: ...December 2001 3 148 3 26 Cable Overviews 3 26 1 Cable Overview TNC 426 CB TNC 430 CA Basic Configuration ...
Страница 231: ...December 2001 3 149 3 26 2 Cable Overview TNC 426 PB TNC 430 PA Basic Configuration ...
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Страница 311: ...December 2001 5 1 5 Modules Markers and Words 5 1 Overview of Modules 5 3 5 2 Overview of Markers and Words 5 10 ...
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Страница 319: ...December 2001 Overview of Modules 5 9 ...
Страница 329: ...December 2001 Overview of Markers and Words 5 19 ...
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Страница 349: ...December 2001 Machine Axes 6 19 ...
Страница 357: ...December 2001 Machine Axes 6 27 ...
Страница 381: ...December 2001 Axis Error Compensation 6 51 ...
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Страница 463: ...December 2001 The Control Loop 6 133 ...
Страница 468: ...6 138 HEIDENHAIN Technical Manual TNC 426 TNC 430 MP2600 0 MP2600 optimum ...
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Страница 509: ...December 2001 Monitoring Functions 6 179 ...
Страница 551: ...December 2001 Spindle 6 221 ...
Страница 629: ...December 2001 Display and Operation 6 299 ...
Страница 675: ...December 2001 Keystroke Simulation 6 345 ...
Страница 709: ...December 2001 Touch Probe 6 379 ...
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Страница 831: ...December 2001 Commissioning 6 501 ...
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Страница 1114: ...December 2001 DSP Error Messages as of NC Software 280 476 01 10 21 ...
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