Mechanical Division

Gears, Springs, Screws, and other miscellaneous whatnot

TopicsSprings

Screws

Gears

MV

RT

115

Other

Springs

Basic TypesMACHINE SCREWS M

VR

T1

15

•ALSO KNOWN AS MACHINE BOLTS

•YOUR TYPICAL BOLT/SCREW

•COMES IN ALMOST EVERY HEAD TYPE

Basic TypesSELF DRILLING SCREWS M

VR

T1

15

•DRILLS A HOLE, TAPS THREADS, AND FASTENS MATERIALS

•GENERALLY NOT VERY USEFUL FOR US

Basic TypesSHOULDER SCREWS M

VR

T1

15

•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

Basic TypesTHREADED ROD M

VR

T1

15

•ESSENTIALLY JUST A LONG THREADED ROD. AMAZING.

•USEFUL FOR A VARIETY OF PURPOSES

SPRINGS

Basic TypesCOMPRESSION SPRINGS M

VR

T1

15

•GENERALLY ROUND AND CYLINDRICAL IN SHAPE

•RESISTS COMPRESSION

•CAN BE WOUND IN CLOCKWISE AND COUNTERCLOCKWISE DIRECTIONS

Basic TypesEXTENSION SPRINGS M

VR

T1

15

•GENERALLY ROUND AND CYLINDRICAL IN SHAPE WITH HOOKS OR LOOPS AT THE ENDS

•RESISTS STRETCHING

•CAN BE WOUND IN CLOCKWISE AND COUNTERCLOCKWISE DIRECTIONS

Basic TypesDISC SPRINGS M

VR

T1

15

•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

Basic TypesTORSION SPRINGS M

VR

T1

15

•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)

GEARS

Basic TypesBEVEL GEARS M

VR

T1

15

•GEAR WITH TEETH ON A 45 DEGREE SLANTED ANGLE

•ENABLES MESHING OF TEETH AT A 90 DEGREE INTERSECTION

Basic TypesMITER GEARS M

VR

T1

15

•GEAR WITH TEETH ON A 45 DEGREE SLANTED ANGLE

•ENABLES MESHING OF TEETH AT A 90 DEGREE INTERSECTION

•GEARS MUST BE EXACTLY THE SAME

Basic TypesSPUR GEARS M

VR

T1

15

•WORK WITH RACK TO PROVIDE HORIZONTAL MOTION

Basic TypesWORM GEAR M

VR

T1

15

•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