Manuals / NCT Group / Power Tools / Lathe

NCT Group NCT 2000T, NCT 100T, NCT 990T manual Cases of Return by Means of Condition Block Return

Models: NCT 100T NCT 990T NCT 2000T

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13.5Automatic Mode Restart with BLOCK RETURN Condition

13.5.3Cases of Return by Means of Condition BLOCK RETURN

Cases of return by means of BLOCK RETURN condition correspond to that of BLOCK

RESTART condition, except for return is made not to start position of block, but to the interruption point.

Return to Interruption Point after Interrupting Simple Movement Block

1st case: in state G40 interrupting and restarting linear interpolation The diagram shows the case,

when a linear interpolation in the plane X, Z is interrupted, a

manual mode is set and manual operation is used along the two

axes. If after all the automatic mode is returned and after

switching the BLOCK RETURN condition on the START

button is pressed or manual operation is used in one of the

manual modes when the BLOCK

RETURN condition is on,

the control goes to the interruption point of the block.

In the return process all axes take part, even those not programmed in the interrupted block.

If on an axis the

compensation is modi- fied, as for example

along axis X on the dia- gram beside, or a work

zero point offset is changed it returns to X

position valid on the interruption point of the block registering the

new compensation or offset.

Return to Interruption Point after Interrupting Canned Cycles

Let us examine the following canned cycle:

...

G17 G90 G81 X100 Y70 Z–60 R2 F200

...

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NCT Group NCT 2000T, NCT 100T, NCT 990T manual Cases of Return by Means of Condition Block Return

Contents

NCT 100T NCT 990T NCT 2000T Mailnct@nct.hu Contents Intervention in the Course of Program Execution Interruption and Restart of Automatic Operation Page Conditions of Operation and Storage IntroductionNC Control Panel Display Unit and Data Input Keyboard Operator’s PanelOperator’s Panel Screen menu key Data Input KeyboardAction menu key BackspaceState of Second Operation Mode Group State of First Operation Mode GroupKeys PgUp PgDnProgram Manipulation State Functional State of Automatic and Manual Data InputInterpolator State PLC StateMachine Control Board Indication of Ready Status of ControlOperation mode selectors Switches modifying the conditions of program execution Override switchesAutomatic Manual data input Increment selectorsMovement, start and stop buttons Block restart Block return Function lockPosition General Operating KnowledgeScreen Menu Program CheckOffsets GraphicsService Setting#100 Action MenuGeneral Operating Knowledge General Displaying Areas and Actions Executed on Them Position Screens Actions of Position Screens Function Screen, Subprogram and Macro Levels Check ScreensProgram Text Screen, Listing of Running Program Actions of sreens Program TEXT, FUNCTION, Last and Active Last and Active screens. G Codes and CompensationsKey OPERATOR’S Panel ScreenActions of OPERATOR’S Panel Screen Axes Actions Operation Modes Actions ModesIncrement Actions Incr ActionsMessages Screen Clear Relative Position Actions Clear RelpntScreens of actions executed on part programs Program ScreensDirectory Screen Actions of Directory ScreenProgram Screens Actions of View Screen View ScreenActions of Edit Screen Edit ScreenActions of Block Input Screen Block Input ScreenActions of Work Offsets Screen Offsets ScreensWork Offsets Screen Tool Offsets Screen Actions of Tool Offsets Screen Keys This bar selects the offset register to be modifiedOffsets Screens Actions of Work Offset Measure Screen Work Offset Measure ScreenActions of Tool Length Offset Measure Screen Tool Length Offset Measure ScreenActions of Relative Position Offsets Screen Relative Position Offsets ScreenGraphic Parameters Screen Graphic Position ScreensActions of Graphic Parameters Screen Color Code Actions of Draw Screen Draw ScreenGraphic Position Screens Actions of Local Macro Variables #1-#33 Screen Setting ScreensScreen of Local Macro Variables #1-#33 Actions of Common Macro Variables #100-#199 Screen Screen of Common Macro Variables #100-#199Actions of Common Macro Variables #500-#599 Screen Screen of Common Macro Variables #500-#599Tool POT Table Screen Timer and Counter ScreenActions of Timer Counter Screen Actions of Tool POT Table Screen Actions of PLC Table Screen PLC Table ScreenActions of USER’S Parameters Screen USER’S Parameters Screen User’s ParamsFix code, or PLC key Security Panel ScreenGenerated code, or PLC key Below table contains the codes of the appropriate functions Setting Screens Structure of Part Program Editing Part ProgramsBeginning and end of program Division of Edit Screen during Editing Typing Moving the cursor Selected text is deleted by means of key del InsertFile Actions Save, Save as Editor Action MenuEdit Actions Undo, Cut, Copy, Paste, Find and Replace EditEditing part programs Insert Miscellaneous Action Group Insert ActionsInsert Condition Action Group Insert Operation Action GroupHelp Tion menu key Switching Over Operation ModesAxis Selection Manual Reference Point Return ModeManual Operation Modes Types of Reference Point Return Feedrate Selection Jog ModeJog Mode Increment Selection Incremental Jog ModeIncremental Jog Mode Manual Handle Mode Speed Work Zero Point Offset and Tool Length Offset Measurement Actions Executed in Manual Operation ModesSingle Block Operation Coordinate system to be measured can be selected after Work Zero Point Offset MeasurementWork Zero Point Offset Measurement Work Zero Point Offset Measurement Tool Length Offset Measurement inside the Machine Tool Length Offset Measurement inside the Machine CONTACTX+ Contactx CONTACTZ+ Automatic Tool Length Offset MeasurementCalibrating Tool Offset Sensor Calibrating the Sensor to the Coordinate System of Chuck Calibrating the Sensor to Reference Point Procedure can also be applied for the other buttonsProgram Execution in DNC Automatic ModeModes of Automatic Operation Machining Start and Stop Editing Programs under Automatic Execution Edit ModeDifferences between Automatic and Manual Data Input modes Manual Data Input ModeManual Data Input Mode Feedrate Override Switch Override SwitchesSpindle Speed Override Switch Rapid Traverse Override SwitchOverride Switches Program Execution Start and Stop ResetStarting Program Execution Feed StopConditional Stop M01 Programmed Stop M00End of Program M02, M30 Increasing Feedrate by Means of Rapid Traverse Jog Button Intervention in the Course of Program ExecutionConditional Block Skip Rules of operation are as follows Effect of intervention to coordinate system Dry Run All Feedrates at High Speed Debugging the Part ProgramSingle Block Execution Other Locking Possibilities Machine Lock FunctionFunction Lock Axis LockTest Run Interruption of Automatic Operation Interruption and Restart of Automatic OperationIs displayed Y=yes. By pressing Shift key question Restore Modal FUNCTIONS? NProgram No Unconditional Restart of Automatic OperationInterrupting Single Blocks Interrupting Canned Cycles 105 Interrupting Machining in Offset ModeG41 Unconditional Restart of Automatic Operation Automatic Operation Restart with Block Restart Condition Return to Block Start Position in Automatic ModeAutomatic Operation Restart with Block Restart Condition Automatic Operation Restart with Block Restart Condition Block Restart Return to the Interruption Point in Automatic Operation Automatic Mode Restart with Block Return ConditionCases of Return by Means of Condition Block Return Automatic Mode Restart with Block Return Condition Return When condition BlockIf F4 Block Search action is selected after pressing action Automatic Operation Start after Block Search117 Command SearchNumber of Tool to be Change d T1 Coolant Code M8 Spindle Rotation Code M3Other Functions M PositionsSearch for Interrupted Block Command GotoOther Intervention Possibilities Before Start 120 There may be two types of messages Local and global Listing of Messages and their CodesLocal Message Global MessagesMessages of custom macros 123 Listing of Global Messages124 125 126 127 128 129 130 131 132 133 134 135 136 137 3102 1383103 3104139 140 141 142 143 FEEDBACKn 124 Alphabetical indexENCODERn 124