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REPORTING THE HEAT-TREAT EXPERIMENT

REPORTING THE HEAT-TREAT EXPERIMENT. Reports should be typed or clearly printed on standard 8 1/2” x 11” paper. Organization, accuracy, clarity, and neatness will be considered in grading the lab report. To be effective, report should be arranged in sections under logical

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REPORTING THE HEAT-TREAT EXPERIMENT

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  1. REPORTING THE HEAT-TREAT EXPERIMENT Reports should be typed or clearly printed on standard 8 1/2” x 11” paper. Organization, accuracy, clarity, and neatness will be considered in grading the lab report. To be effective, report should be arranged in sections under logical headings. The following form is suggested for reporting the lab assignment. However, variations may be necessary and are to be made whenever justified. • 1. Objectives a statement of the objectives to be attained through the completion of the lab. • 2. Materials A list of all materials to be tested, specifying kind, shape, and size. • 3. Equipment A list of the tools and/or apparatus used and accurately described. *** Please report any apparatus that is defective !!! *** • 4. Procedure A statement of the essential details of the testing procedure. • 5. Data The original, signed data sheet. • 6. Conclusions A statement of the conclusions which may be drawn from the results. Draw no conclusions not supported by results!

  2. Heat-Treat Lab Data Sheet Brinell RC Tensile Specimen / Steel Diameter Hardness Hardiness Strength

  3. Heat-Treat Lab Assignment Use the following heat-treat procedures to help identify the unknown specimen material classifications. (1) Heat-Treat all specimens (2) Temper (3) Anneal (4) Normalize 1018-1045-1215-4140-8620 1 inch hexagon 3/4 inch hexagon 1 “ square 13/16 “ square 1 inch round

  4. LATHE EXERCISE ADAPTER 1/8 DIA 1/2 DEEP CLEAN UP ONLY .710 .480 7/8 1-1/4 3 - 1/2 1. Chuck 1” dia in collet chuck 2. Turn 1” dia (clean up only) 3. Rough turn .710 dia 4. Rough turn .480 dia 5. Finish turn .710 dia, 7/8 long 6. Finish turn .480 dia, 1-1/4 long 7. Center drill for 1/8 dia drill 8. Drill 1/8 dia, 1/2 deep 9. Cut-off 3-1/2 10. Burr .710 dia ____________________ .480 dia____________________ Tolerances Decimal +/-. 001 Fractional +/- 1/64 1-1/4 ____________________ 7/8 ____________________ 2-1/2 ____________________ 1/8 drill x 1/2 deep ____________________ Lab Project # 1

  5. O0301 CNC Lab 1

  6. % O0350 N10 G20 G40 G49 G54 G80 G90 G98 N20 M06 T05 N30 G43 H05 N40 M03 S1200 N50 G00Z0.250 N60 G00 X1.5 Y-2.5 N70 G01 Z-.125 F5.0 N80 G03 X2.0 Y-2.0 I.5 J0 N90 G02 X2.5 Y-1.5 I.0 J.5 N100 G00 Z0.250 N110 G00 X3.5 Y-3.0 N120 G01 Z-0.125 F5.0 N130 G01 X3.5 Y-1.0 F5.0 N140 G01 X4.0 Y-1.0 F5.0 N150 G02 X4.0 Y-2.0 I0.0 J-.5 F5.0 N160 G01 X3.5 Y-2.0 F5.0 N170 G01 X4.0 Y-2.0 F5.0 N180 G01 X4.5 Y-3.0 F5.0 N190 G00 Z0.250 N200 G00 X5.5 Y-2.5 N210 G01 Z-0.125 F5.0 N220 G03 X6.0 Y-2.0 I.5 J0 F5.0 N230 G02 X6.5 Y-1.5 I0.0 J.5 F5.0 N240 G00 Z0.250 N250 G91 G28 X0.0 Y0.0 Z2.0 N260 M05 N270 M30 %

  7. Time Study Exercise .0625 Feed .004 F .015 R .125 250% CS 80 CS 300

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