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December 2001
Spindle
6 – 209
6.12.10 Rigid Tapping
Cycle 17
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Define the rigid tapping process in the NC program with Cycle 17.
While Cycle 17 is running, the TNC switches automatically to velocity
feedforward mode.
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Define the dynamic response of the spindle and the machine tool axes in
machine parameters. (See "The Control Loop” on page 6 – 109); (See
"Spindle” on page 6 – 180).
With Cycle 17 the spindle can also be feedback-controlled. This results in a
better speed curve:
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7
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7
Set MP7160 bit 2 = 1 to drive the spindle under position feedback control
with Cycle 17.
With small thread depths and excessive spindle speeds it is possible that the
programmed spindle speed may not be attained. The immediate transition
from the acceleration phase to the braking phase can diminish the quality of
the thread:
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7
Set MP7160 bit 1 = 1 in order to limit the spindle speed so that the spindle
runs for about 1/3 of the tapping time at a constant speed.
During tapping, the position of the tool axis tracks the actual position of the
spindle.
Please note that the use of IPC and acceleration feedforward control for the
tool axis makes the tool axis sensitive to fluctuations in spindle speed caused,
for example, by gear transmission. If this happens, the tool axis starts to run
rough:
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7
In MP7160, set bit 3 = 1 to switch off IPC and acceleration feedforward
control for Cycle 17.
Before tapping, the axes (e.g. Z and S) are synchronized through an oriented
spindle stop, i.e., every Z position is assigned to a certain spindle angle. The
NC orients the spindle. The NC sets M4017. The position control loop must be
closed (M4012). (See "Oriented Spindle Stop” on page 6 – 201)
Synchronization makes it possible to cut the same thread more than once. The
assigned spindle angle depends on the thread pitch entered in the cycle. You
can deselect this function to save machining time:
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Set MP7160 bit 0 = 1
In this case you cannot cut the thread more than once.
Содержание TNC 426 CB
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Страница 125: ...December 2001 Encoders 3 43 ...
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Страница 145: ...December 2001 Data Interface 3 63 ...
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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 ...
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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 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 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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