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HAAS CNC basic mill operator exam questions and answers
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HAAS CNC basic mill operator exam questions and answers
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HAAS CNC basic mill operatorexam questions and answers
G-code (language) - -program language that is used to creating program for CNC to follow -g-codes (functions) - -tells machine what to do -m-code - -miscellaneous functions to act like switches to turn things on or off -M03 command - -turn spindle in clockwise direction -letter address codes - -provide more information corresponding to a specific g- or m-command -letter address "s" - -speed command -MO6 - -tool change -letter address "t" - -command that tells which specific tool to put in spindle
(T then number of tool carriage spot) -G00 - -rapid motion command -G01 - -Move in a straight line -G02 - -circular motion in clockwise direction -G03 - -circular motion in counterclockwise direction -total number of G and M codes in HAAS CNC machines - -~200 combined -home position - -table at the front left corner of machine, spindle all the way up -movement away from home - -all negative -axis of side to side movement - -x axis -axis to front to back movement - -y axis -axis of spindle (up and down) - -z axis -Machine Coordinate System - -where axis can move and used as a measurement of how far each has moved from the home position -work offsets - -tells machine important starting points in relation to machine coordinate system (usually back left corner of work piece) -tool offset - -tells machine where tip of cutting tool is in relation to work offset (face of spindle/z axis) -program coordinate system - -where machine is in relation workpiece -Control pendant - -where screen and all buttons are -reset button - -resets program, goes back to first line -feed-hold button - -stops axis movement, spindle keeps spinning -e-stop - -stops all motion in machine, should always be engaged when doing work on machine -door interlock system - -locks doors whenever machine is running -door is unlocked when? - -program has completed or e-stop is pressed -air lube cabinet - -incoming air supply connected under this cabinet -coolant tank - -behind or off to the side of machine -chip auger/conveyor system - -hands don't go near this -chips - -metal pieces results from machining process -tool release button - -located on the head of the spindle -compressed air gun - -PPE, never point at face, stand behind door when blowing off a piece -#1 cause of machine shop injury - -inattention -circuit breaker - -typically left on -correct air pressure - -between 85-115 psi (alert supervisor if out of range) -steps for starting-up the machien - -1. press power on button
2. follow on-screen instructions
- cycle doors
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