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Download e-book for iPad: CNC Robotics. Build Your Own Workshop Bot by Geoff Williams

By Geoff Williams

ISBN-10: 0071418288

ISBN-13: 9780071418287

Heres the 1st publication to supply step by step directions that stroll the reader in the course of the complete strategy a construction a CNC (Computer Numerical keep watch over) laptop from begin to end. utilizing reasonably cheap, off-the-shelf elements, readers can construct CNC machines with real commercial store functions akin to machining, routing, and cutting--at a fragment of what it will price to buy one.
- nice for a person who desires to automate a job of their domestic store or small business
- Easy-to-use Windows-based software program controls the robot automation
- developers can scale and customise the computing device to fit their very own commercial needs
- various counsel, methods, and pictorials stroll the reader via each step--design, development, and final touch

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Extra info for CNC Robotics. Build Your Own Workshop Bot

Example text

TYP. MAX. 104- C I.. 28 L. 9 0. 9 2. 075 0. 65 3. 15 2 Multiwatt 15 H H1 A 8 c / _. ::HUl o( ~ ~~~ ~ F LS '- Do B 1 rX 81 H2 G G1 11113 43 CNC Robotics L298 mm DIM. MI N. 9 MIN . 9 TYP. 043 (1) "D and P do no l irt<::iu<:E mold llash Of prOtruslCnS. OC61. - CriticaldimO"lSiOns T , "G" and "aT 12/ 13 OUTLIN E AND MECHANI CAL DATA 0. 5 MAX . 43 N T inch MAX . 3 E1 1 E2 E3 TYP. - El Chapter 2 / Electron ics L298 Information furnished is believed 10 be accu rate and reliable. However, STMicroeleetronics assumes no responsiblllty for the consequences of use 01 such i nformation nor IOf any infringement 01 patents or other righ1s of third parties which may resultfrom its use .

B. designedforthe application of Fig 8. FigureS : T wo Phase Bipolar Step per Motor Circuit. This circuit dr ives bipo lar steppe r mot ors w ith winding currents up to 2 A. The diodes are fasl2 A types. , " nOD OS< • ,. , • c• •• ~ ft II I J t) ~ 1M" ' • iiiiil • • • 1. SH Dl loDB:2 A Fast diod es { 8113 40 ....... -........ s rt PPE_ " • Chapter 2 / Electronics L298 Figure9 : Suggested Printed Circuit Board Layout tor the Circuit of fig . a (1:1 scale). Figure1 0: Two Phase Bipolar Steppe r Motor Control Circuit by Using the Current Controller L6506 .

For rotation inthe opposfe directon (counter-c lockwise) the same three sequences are used, except of coursethat the order is reserved. As shown in these diagrams the motor would have a stepangleof 900. Real rrotors have multiplepoles to reduce the step angle to a few degrees but the numberof 'Nindingsandthedrivesequencesare unchanged. A typical bipolar stepper motor is shown in figure 5. Thissequence is known as "one phase ann full step or wave drive A unipolar permanent magnet motor is identical to the bipolar machinedescri:>ed above exceptthat blfilar windings are used to reversethe stator flux, rather than bidirectional drive (figure 6).

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CNC Robotics. Build Your Own Workshop Bot by Geoff Williams


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