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Homing - correct answer ✅Typically done as part of the start-up procedure, which of the following is the process of positioning the CNC turning center's axes at a fixed reference position to allow the MCU to accurately establish / track the machine's position? Every shift - correct answer ✅To maintain proper coolant levels and concentrations, and to ensure a machine tool has sufficient lubrication, a machinist should check the machine's fluids: G01 - correct answer ✅Which code identifies linear interpolation (feed in a straight line)? Follow all safety rules at all times - correct answer ✅Your employer has appointed you to work with the safety committee to develop a department safety manual. Which safety rule listed here will help facilitate the safest work environment for the employees in this department? A basic dimension is a numerical value used to describe a theoretical size, profile, orientation, or datum target/ Title block
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tolerances are not applied to a basic dimension - correct answer ✅Referring to Geometric Dimensioning and Tolerancing, which of the following best describes a basic dimension? Provides tool-specific data to the control, such as the length, nose radius, and tip position. - correct answer ✅Which statement best describes geometry offsets? Tool B fits this description. - correct answer ✅Which of the following tools is a right-hand turning tool and will work correctly with the M03 command when installed in a standard slant bed CNC lathe? Zero Return - correct answer ✅Select the mode switch position used to return a machine's axes to their home position. Check the coolant ratio with a refractometer. Add soluble oil and/or water as necessary to obtain the desired concentration. - correct answer ✅Which of the methods listed here is recommended when adding fluid to a coolant tank?
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X; Z -
correct answer ✅In the following image, arrow "A" identifies the __________ axis, and arrow "B" identifies the _________ axis. Constant Surface Speed - correct answer ✅G96 is the code used to initiate: 12? - correct answer ✅Which of the following specifications specifies the smoothest surface finish? Right-hand turning tool - correct answer ✅The tool in the following image is a: Select Manual Data Input mode, type "T08," End of Block, Enter, Cycle Start - correct answer ✅Which sequence of commands will index the turret from position #1 to position #8? Allows programs to be modified - correct answer ✅Select the answer that best describes the Edit mode function.
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G00 -
correct answer ✅Which code corresponds with rapid positioning? Total Runout - correct answer ✅What does the symbol specify? 0.015 IPR roughing; 0.005 IPR finishing - correct answer ✅A CNC machinist is writing a program to produce a part from plain carbon steel. Which roughing and finishing feed rates are applicable to safely produce this part? M30 - correct answer ✅Which code directs the program to end-return to start? Which of the following symbols specifies profile of a surface? - correct answer ✅Profile of a Surface Adjust the tool #2, X wear offset by -0.004" - correct answer ✅After running a setup piece for the following part, the diameters (all finished with T02) are .004" over their nominal
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M03 -
correct answer ✅To start the spindle on a CNC Turning Center in the clockwise direction (viewed from behind the spindle), the machinist would use which of the following codes? 8 pieces of material to be cut. - correct answer ✅A part print specifies a part's finished length to be 1.750". You decdie to leave 1/8" of material on each piece for machining operations. How many pieces can be cut from a 17.0" length of material? Subtract .004" from the X offset - correct answer ✅After running a setup piece for the part in the following image, the inside diameter (machined with tool #4 - boring bar) measures 1.8190". What offset adjustment will bring this dimension to the nominal size? M00 - correct answer ✅Which code will command a program stop? 0.0015" - correct answer ✅A print specifies a part's diameter at 2.175" +/-
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0.001". The part measures 2.1775". How much out of tolerance is this part? Shown by a capital letter in a box and signifies a plane from which dimensions are referenced. - correct answer ✅Which statement best describes a datum? Basic - correct answer ✅What is the dimension labeled "A" on the following part drawing considered in Geometric Dimensioning and Tolerancing? Offset Page - correct answer ✅Which display screen page are tool length data stored in? Z-0.003 - correct answer ✅After machining the part in the following image for several shifts, an inspector reveals the depth of the bore is 1.997". What wear offset adjustment will bring the depth of this bore back to its nominal dimension?
