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Mechanical Division

This document outlines various mechanical components including gears, springs, and screws commonly used in engineering. It details different types of screws such as machine screws, self-drilling screws, shoulder screws, and threaded rods. Additionally, it explores basic types of springs like compression springs, extension springs, disc springs, and torsion springs. The section on gears includes bevel gears, miter gears, spur gears, and worm gears, elaborating on their functions and applications in machinery. This comprehensive guide is essential for engineers and students alike.

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Mechanical Division

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  1. Mechanical Division Gears, Springs, Screws, and other miscellaneous whatnot

  2. Topics Springs Screws MVRT115 Gears Other

  3. Springs

  4. Basic Types MACHINE SCREWS • ALSO KNOWN AS MACHINE BOLTS • YOUR TYPICAL BOLT/SCREW • COMES IN ALMOST EVERY HEAD TYPE MVRT115

  5. Basic Types SELF DRILLING SCREWS • DRILLS A HOLE, TAPS THREADS, AND FASTENS MATERIALS • GENERALLY NOT VERY USEFUL FOR US MVRT115

  6. Basic Types SHOULDER SCREWS • ALSO KNOWN AS SHOULDER BOLTS • HAS AN UNTHREADED SECTION UNDER THE HEAD • UNTHREADED SECTION SERVES AS A BUMPER/SPACER • SOMETIMES USED AS PSEUDO-AXLES FOR DRIVETRAIN WHEELS MVRT115

  7. Basic Types THREADED ROD • ESSENTIALLY JUST A LONG THREADED ROD. AMAZING. • USEFUL FOR A VARIETY OF PURPOSES MVRT115

  8. SPRINGS

  9. Basic Types COMPRESSION SPRINGS • GENERALLY ROUND AND CYLINDRICAL IN SHAPE • RESISTS COMPRESSION • CAN BE WOUND IN CLOCKWISE AND COUNTERCLOCKWISE DIRECTIONS MVRT115

  10. Basic Types EXTENSION SPRINGS • GENERALLY ROUND AND CYLINDRICAL IN SHAPE WITH HOOKS OR LOOPS AT THE ENDS • RESISTS STRETCHING • CAN BE WOUND IN CLOCKWISE AND COUNTERCLOCKWISE DIRECTIONS MVRT115

  11. Basic Types DISC SPRINGS • ALSO KNOWN AS WASHER SPRINGS • GENERALLY ROUND AND FLAT IN SHAPE, RESEMBLING A DEMENTED THIN WASHER • USEFUL FOR PREVENTING VIBRATION AND SELF-LOOSENING OF BOLTS • CAN BE STACKED TO INCREASE LOAD OR RESISTANCE MVRT115

  12. Basic Types TORSION SPRINGS • GENERALLY RESEMBLE AN “l” SHAPE WITH A LOOP IN THE MIDDLE • RESISTS ROTATION OF THE TWO ENDS IN OPPOSITE DIRECTION • CAN BE WOUND CLOCKWISE OR COUNTERCLOCKWISE TO RESIST COMPRESSION OR EXTENSION (ROTATIONAL) MVRT115

  13. GEARS

  14. Basic Types BEVEL GEARS • GEAR WITH TEETH ON A 45 DEGREE SLANTED ANGLE • ENABLES MESHING OF TEETH AT A 90 DEGREE INTERSECTION MVRT115

  15. Basic Types MITER GEARS • GEAR WITH TEETH ON A 45 DEGREE SLANTED ANGLE • ENABLES MESHING OF TEETH AT A 90 DEGREE INTERSECTION • GEARS MUST BE EXACTLY THE SAME MVRT115

  16. Basic Types SPUR GEARS • WORK WITH RACK TO PROVIDE HORIZONTAL MOTION MVRT115

  17. Basic Types WORM GEAR • RESEMBLES A CYLINDER WITH THREADS RUNNING LENGTH-WISE VS. DIAMETER-WISE • CANNOT BE TURNED BY OTHER NORMAL GEARS (PREVENTS BACKDRIVE) • GENERALLY DOES NOT CHANGE GEAR RATIO VERY MUCH IF AT ALL MVRT115

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