Shop Management

Forfatter: Frederick Winslow Taylor

År: 1911

Forlag: Harper & Brothers Publishers

Sted: New York and London

Sider: 207

UDK: 658.01 Tay

With an introduction by Henry R. Towne

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OBSERVATIONS OF HAND-WORK ON MACHINE TOOLS. — Figure 5 Observer’s Name....................... Machine................................................................. Workman’s Name Date........................................ Piece.................................... Order Weight 1 Times Reset Kind of Metal Heat Number Billet Number Carbon Tensile Strength . . Per Cent, of Stretch Hardness Treatment OPERATIONS REMARKS TIME SHOULD HAVE TAKEN GETTING JOB READY TO SET Learning what is to be done, when work is sketched, laid out. Taking work, bogie, to machine, hoist, crane. Distance Helpers Getting chain on and tightened. Helpers Shifting work on floor with, without, hoist. Helpers Lifting by hand, hoist, crane, to table, shears, circular vertical horizontal distance Helpers Taking off chain. Helpers BETTING WORK ACTUAL TIH(E OF GETTING JOB READY TO SET GETTING JOB READY TO SET SHOULD HAVE TAKEN Considering how to clamp. Getting out tools. Number Shifting table, tool holder, vertically , round parallel to , at right angles to machine Shifting work, getting work on centres, set- ting work true, with, without hoist. Helpers Drawing down bolts set screws on clamps and wooden supports. Drawing down set screws on stops. Patting on knee plate, steady rest, spider, universal chuck. Putting on parallel blocks. Putting on V blocks. Putting on piles pieces, small packing. Putting on false table, face plate. Putting on, taking off, horizontal side. Laying out, trying with templet, rod. Levelling. Squaring with wooden, try, square, plumb bob Fixing soda water. ACTUAL TIME OF SETTING WORK SETTING WORK SHOULD HAVE TAKEN Shop Management. By Frederick W. Taylor TABLE OF CUTS MADE AND CUTS THAT SHOULD HAVE BEEN MADE WITH SODA WATER Tool 1st 2d 3d 4th 5th 6th 7th 8th 9th 10th 11th 12th 01 £ Should have been 3 Should have been CO cj £ ® Ö 5 > O ä O æ DO £ 3 S’ a 2 > a> O rt <D 00 (d £ 3 ® d O 5 4> OT Cj £ 2 P a 9 O Cd c CQ 02 aS £ Should have been 3 Should have been 3 IS Should have been § Should have been I 2 ® a 5 »> O al D CQ aS It 3 ® a O d S Depth of Cut Feed — Num- ber of Teeth Belt on Cone Step Length of Cut — — — — Inches Cut In Tool — Inches Out of Post Number of Cut Rough Edge $ Time OPERATIONS REMARKS TIME SHOULD HAVE TAKEN SETTING TOOL Putting on tool post, drill rest, drill chuck, boring bar. Adjusting feed. Adjusting speed. Adjusting crank, table stops. Adjusting vertical slide, screw cutting gear. Adjusting frame, poppet, crosshead. Setting tool fastened by bolts • and set screws. EXTRA HAND-WORK ACTUAL TIME OF SETTING TOOL SETTING TOOL SHOULD HAVE TAKEN Chipping scale. Chipping centre punching. Hand turning. Hand feed. Filing. Breaking off. Stamping. REMOVING WORK, ETC. ACTUAL TIME OF EXTRA HAND-WORK EXTRA HAND-WOKK SHOULD HAVE TAKEN Taking off bolts set screws on clamps and wooden supports. Taking off set screws on stops. Taking off knee plate, steady rest, spider, universal chuck. Taking off parallel blocks. Taking off V blocks. Taking off piles pieces small packing. Taking false table, face plate. Taking off tool post, drill rest, drill chuck, boring bar. Putting chain on. Helpers Moving work to floor with, without, hoist. Helpers Taking chain off. Helpers Taking out tool fastened by bolts and set screws. Turning in tools. Number Cleaning necessary to job. ACTUAL TIME OF REMOVING WORK, ETC REMOVING WORK, ETC., SHOULD HAVE TAKEN ACCIDENTAL. DELAYS CAHE OF MACHINE