Complete the following problems. Show your work/calculations, save as.pdf and upload to the assignment in Blackboard. missing information to present a completed program. (Hint: You may have to look up geometry for the center drill and standard 0.5000 in twist drill to know the required depth to drill). 1. What are the x and y dimensions for the center position of holes 1,2, and 3 in the part shown in Figure 26.2 (below)? 6.0000 Zero reference point 7118 1.0005 1.0000 1.252 Bore 6.0000 .7118 Cbore 0.2180 deep (3 holes) 2.6563 1.9445 Figure 26.2 026022 (8lot and Drill Part) (Setup Instructions--- (UNITS: Inches (WORKPIECE NAT'L SAE 1020 STEEL (Workpiece: 3.25 x 2.00 x0.75 in. Plate (PRZ Location 054: ' XY 0.0 - Upper Left of Fixture TOP OF PART 2-0 (Tool List ( T02 0.500 IN 4 FLUTE FLAT END MILL #4 CENTER DRILL Dashed line indicates- corner of original stock ( T04 T02 3.000 diam. slot 0.3000 deep. 0.3000 wide Intended toolpath-tangent- arc entry and exit sized to programmer's judgment 2.6563 19445 2. A program to make the part depicted in Figure 26.A has been created, presented in figure 26.B, but some information still needs to be filled in. Compute the tool locations, depths, and other 2.00 4 1.00 3.25 1.00 0.75 0.125- FIGURE 26.A -0.50 RO.750 00.500 0.500 TWIST DRILL N010 GOD G90 G17 G20 G49 040 G80 G54 N020 M06 T02 (0.5 IN 4-FLUTE END MILL) N030 $760 M03 000 X N040 043 H02 Y (RAPID DOWN-TLO) (P1) N050 MOB (COOLANT ON) R1.000 N060 G01 X NO70 000 x NOBO G03 X F6.1 (P2) N090 002 X Y Y N100 003 X (P6) N100 M09 (COOLANT OFF) -R1.250 N110 MOS (SPINDLE OFF) P6 N120 G91 G28 049 20 (RAISE TOOL MAXIMUM 2) > > N130 090 N140 MỚI N200 M06 T04 (NO.4 CENTER DRILL) N210 054 090 N220 $1400 M03 GOO X N230 043 H04 20.100 240 MOB N250 082 2 P.3 F6.1 R.1 (SPOT DRILL) (P7) Z=0 N270 MO9 (COOLANT OFF) N280 MO5 (SPINDLE OFF) N290 091 028 049 20 (RAISE TOOL MAXIMUM Z) 1300090 M310 M01 N400 M06 T06 (0.500 DRILL) N410 054 090 N420 5760 M03 Goo X2.250 Y1.000 (P7) N430 043 H06 20.100 440 MOB N450 G83 2 N460 000 080 20.1 F6.1 R.1 0.25 (PECK DRILL) N470 M09 (COOLANT OFF) N480 MOS (SPINDLE OFF) N490 091 028 20 (RAISE TOOL MAXIMUM Z) N500 G28 YO (BRING WORK TOWARD OPERATOR) N510 090 N520 M30 FIGURE 26.0

Complete the following problems. Show your work/calculations, save as.pdf and upload to the assignment in Blackboard. missing information to present a completed program. (Hint: You may have to look up geometry for the center drill and standard 0.5000 in twist drill to know the required depth to drill). 1. What are the x and y dimensions for the center position of holes 1,2, and 3 in the part shown in Figure 26.2 (below)? 6.0000 Zero reference point 7118 1.0005 1.0000 1.252 Bore 6.0000 .7118 Cbore 0.2180 deep (3 holes) 2.6563 1.9445 Figure 26.2 026022 (8lot and Drill Part) (Setup Instructions--- (UNITS: Inches (WORKPIECE NAT'L SAE 1020 STEEL (Workpiece: 3.25 x 2.00 x0.75 in. Plate (PRZ Location 054: ' XY 0.0 - Upper Left of Fixture TOP OF PART 2-0 (Tool List ( T02 0.500 IN 4 FLUTE FLAT END MILL #4 CENTER DRILL Dashed line indicates- corner of original stock ( T04 T02 3.000 diam. slot 0.3000 deep. 0.3000 wide Intended toolpath-tangent- arc entry and exit sized to programmer's judgment 2.6563 19445 2. A program to make the part depicted in Figure 26.A has been created, presented in figure 26.B, but some information still needs to be filled in. Compute the tool locations, depths, and other 2.00 4 1.00 3.25 1.00 0.75 0.125- FIGURE 26.A -0.50 RO.750 00.500 0.500 TWIST DRILL N010 GOD G90 G17 G20 G49 040 G80 G54 N020 M06 T02 (0.5 IN 4-FLUTE END MILL) N030 $760 M03 000 X N040 043 H02 Y (RAPID DOWN-TLO) (P1) N050 MOB (COOLANT ON) R1.000 N060 G01 X NO70 000 x NOBO G03 X F6.1 (P2) N090 002 X Y Y N100 003 X (P6) N100 M09 (COOLANT OFF) -R1.250 N110 MOS (SPINDLE OFF) P6 N120 G91 G28 049 20 (RAISE TOOL MAXIMUM 2) > > N130 090 N140 MỚI N200 M06 T04 (NO.4 CENTER DRILL) N210 054 090 N220 $1400 M03 GOO X N230 043 H04 20.100 240 MOB N250 082 2 P.3 F6.1 R.1 (SPOT DRILL) (P7) Z=0 N270 MO9 (COOLANT OFF) N280 MO5 (SPINDLE OFF) N290 091 028 049 20 (RAISE TOOL MAXIMUM Z) 1300090 M310 M01 N400 M06 T06 (0.500 DRILL) N410 054 090 N420 5760 M03 Goo X2.250 Y1.000 (P7) N430 043 H06 20.100 440 MOB N450 G83 2 N460 000 080 20.1 F6.1 R.1 0.25 (PECK DRILL) N470 M09 (COOLANT OFF) N480 MOS (SPINDLE OFF) N490 091 028 20 (RAISE TOOL MAXIMUM Z) N500 G28 YO (BRING WORK TOWARD OPERATOR) N510 090 N520 M30 FIGURE 26.0

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter8: Computer Numerical Control

Section8.6: Cnc Milling: Programming

Problem 8RQ: Briefly describe the use of I and J for the arc center method of circular interpolation.

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