COMPUTER NUMERICAL CONTROL PROGRAMMING BASICS phần 5 pptx

... Cycle N 25 G73 U. 05 R. 05 G73 rough turning cycle. U. 05 . 050 allowance on diameter for finish cut. R. 05 tool nose radius. N30 G73 P 35 Q 95 U.0 25 W.0 05 F.008 P 35 start block of rough contour cycle. Q 95 ... distance of bevel. N 65 Z-1. 150 Z-1. 150 the .700 diameter cut to 1. 150 length. N70 X. 750 X. 750 cutting tool feeds out to . 750 (small end of taper). N 75 X.8 75...

Ngày tải lên: 08/08/2014, 12:22

... Cataloging-in-Publication Data Krar, Steve F. COMPUTER Numerical Control Programming Basics / Steve Krar, Arthur Gill. p. cm. ISBN 0-07-023333-0 1. Machine Tools - Numerical Control. I. Gill, Arthur, date. II ... Arthur, date. II Title. TJ1189, K74 1999 89-1 257 1 CIP Some of the artwork for this book was processed electronically. Computer Numerical Control Programming B...

Ngày tải lên: 08/08/2014, 12:22

... Point Systems Incremental Absolute 7 The term numerical control is a widely accepted and commonly used term in the machine tool industry. Numerical control (NC) enables an operator to communicate ... tool down or into the work- piece. In incremental programming, the G91 command indicates to the computer and MCU (Machine Control Unit) that programming is in the incremental mode....

Ngày tải lên: 08/08/2014, 12:22

... spindle off 25 4. Dimension the part clearly so that its shape can be understood without making mathematical calculations or guesses. 5. Define the part so that a computer numerical control cutter path ... codes may control the same type of operations such as M03, M04, and M 05 which control the machine tool spindle. • M03 turns the spindle on clockwise • M04 turns the spindle o...

Ngày tải lên: 08/08/2014, 12:22

... end. Y 3 75 measurement did not change because it was set in block N30. N 45 Y-1.6 25 Y-1.6 25 right hand side of the groove cut. N50 X.3 75 X.3 75 bottom groove cut to the left side. N 55 Y 3 75 Y 3 75 left-hand ... groove N30 X.3 75 Y 3 75 tool rapids to position A. N 35 G01 Z 1 25 F10 G01 linear interpolation. Z 1 25 tool feeds .1 25 below the work surface. F10 feed rate set...

Ngày tải lên: 08/08/2014, 12:22

... distance of bevel. N 65 Z-1. 150 Z-1. 150 the .700 diameter cut to 1. 150 length. N70 X. 750 X. 750 cutting tool feeds out to . 750 (small end of taper). N 75 X.8 75 Z-1.800 (cutting taper) X.8 75 large end of ... on the part surface. 42 N 85 Z-2. 050 Z-2. 050 the .9 25 diameter is cut to 2. 050 length. N90 X1. 050 X1. 050 the tool is fed out to . 050 past the diameter of the part....

Ngày tải lên: 25/12/2013, 05:16

... distance of bevel. N 65 Z-1. 150 Z-1. 150 the .700 diameter cut to 1. 150 length. N70 X. 750 X. 750 cutting tool feeds out to . 750 (small end of taper). N 75 X.8 75 Z-1.800 (cutting taper) X.8 75 large end of ... radius. N50 G01 Z 650 G01 linear interpolation. Z 650 machines .50 0 diameter to . 650 length. N 55 X .58 0 X .58 0 tool moves out to the small diameter of .060 x 45 O beve...

Ngày tải lên: 27/06/2014, 14:20

... if the computer has between 64 and 256 K. of available memory. That's an equivalence class. Another class includes RAM configurations of less than 64K. A third includes more than 256 K. Some ... worked well for us. REPORTING NEW PROBLEMS The Problem Report (Figure 5. 1) is the standard form for reporting bugs. Chapter 5 describes it in detail. We recommend that anyone in the co...

Ngày tải lên: 06/08/2014, 09:20

... indicate more clearly 95 withthoseforatwo-dimensionalarray: charaname[][ 15] ={"Illegalmonth","Jan","Feb","Mar"}; Exercise 5- 9. Rewrite the routines day_of_year and month_day with ... of anarrayisfree;alltheothershavetobespecified. Section 5. 12hasafurtherdiscussionofcomplicateddeclarations. Exercise 5- 8.There...

Ngày tải lên: 06/08/2014, 09:20

... 64K 256 K 16 42 7.321 4 .59 9 2. 655 1. 857 1. 458 32 44 6.870 4.186 2.263 1 .59 4 1.308 64 48 7.6 05 4.360 2.267 1 .50 9 1.2 45 128 56 10.318 5. 357 2 .55 1 1 .57 1 1.274 256 72 16.847 7.847 3.369 1.828 1. 353 FIGURE ... 13.34% 2 KB 2.26% 20 .57 % 9.78% 4 KB 1.78% 15. 94% 7.24% 8 KB 1.10% 10.19% 4 .57 % 16 KB 0.64% 6.47% 2.87% 32 KB 0.39% 4.82% 1.99% 64 KB 0. 15% 3.77% 1. 35% 128 KB...

Ngày tải lên: 07/08/2014, 23:20