Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Uživatelský manuál stáhnout pdf (Strana 30)

100

101

Chapter 2

Operating the Control

2-10

Table 2.B

Selections on the MTB Panel and How They Work (continued)

Switch or Button Name

= Defaultfor Push-Button MTB PanelHow It Works

SPINDLE SPEED OVERRIDE Selectsthe overrideforprogrammedspindle speeds in 5% increments withinarangeof50% to 120%.

SPINDLE or

SPINDLE DIRECTION

Selects spindle rotation,clockwise(CW),spindle stop (OFF),counterclockwise(CCW). Can be

overriddenby any programmed spindledirection command.

FEEDRATEOVERRIDE Selects a feedrateoverride percentage forthe feedrate programmedwithan F word in any ofthe

feedrates modes (G93/G94/G95)and the reciprocationfeedrateprogrammed withan Eword.

<FEEDRATE OVERRIDE> hasa range of 0% to150%ofthe programmed feedrateandalters the

programmed feedratei n 10% increments. When setto 0%,thecontroli s effectivelyin feedhold.

RAPID FEEDRATEOVERRIDE Selectsthe overridefor rapid feedrates. SelectfromF 1, 25%,50%,and 100% where F1 is a rapid

feedrateoverride setting established in AMPbythesystem installer.

EMERGENCY STOP This button stopsmachineoperation and disablesthe spindle and axisdrives when pressed.

E-STOP RESET This button resetsanemergencystop conditionwhen pressed. Beforepressing thisbuttonthe

conditionthatcausedthe E-Stopshould be resolved.

CYCLESTART The controlbegins or resumespartprogramexecution,MDIprogramexecution, or programcheck

when thisbuttoni s pressed.

CYCLESTOP The controlstopspartprogramexecution,MDIexecution, or programcheckwhenthisbuttonis

pressed. If pressed during the execution ofaprogramblock a cycl e suspendstateoccurs.

SINGLE BLOCK The controlexecutesor checksone block ofapartprogramor MDIentryeachtime the

<CYCLE START> buttonispressed when singleblockis active.

AXIS/DIRECTION Thesebuttonsare used formanual operations. They selectan axis and direction when <JOG

SELECT> is setfor continuous, incremental,or home. If <JOG SELECT> is setfor handwheel,these

buttonsselectan axisonly. Directioni s then determi ned by handwheel rotation.

TRVRS Hold thisbuttondown while executingacontinuous jog move tooverride theactivefeedrate and jog an

axisin rapid traverse.

F1-F4 The functionsforthese buttonsare assigned by the systeminstaller. Refer tothedocumentation

prepared bythesystem installer for details.

JOG RETRACT Usejogretract tojogacuttingtool away fromthe workpieceduring automatic or MDIprogram

execution.T he control canretrace thejogmovesand returnthe cutting toolautomaticallytothe

workpieceby pressing<CYCLE START>. Referto chapter7 formoreon this.

BLOCK RETRACE To retrace thetool path in a part programalreadyexecuted (up to 15 blocks),pressthisbutton.

ON Turnson power tothe control.

OFF Turnsoff power tothe control.

Important: You can disable many of the override switch settings by

programming the correct M code or by setting a particular paramacro

parameter. See their respective sections for details on these features.

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