Remote control tarantula

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Revision as of 10:14, 21 September 2007

Executive summary

Customer needs

Function

Product use

Components:

Part #	Part name	QTY	Function	Materials	Manufacturing Process	Picture
001	Cover Screws	13	Holds bottom cover in place	Steel	Cold headed, Thread Rolled
002	Inner Flat-headed screw	2	Holds circuit board and LED eye in place on interior of machine	Steel	Cold headed, Thread rolled
003	Battery Cover	1	Covers, protects bottom of tarantula	Plastic	Injection Molded, hand modified
004	Back Wheel housing	1	Covers rear wheels Holds rear wheels in place	Plastic	Injection Molded
005	Back Wheel	2	Holds weight of majority of tarantula, allows it to roll on ground	Plastic	Injection Molded, smoothed
006	Small Leg	4	Aesthetic legs that move asymmetrically as tarantula rolls Covered in fake "fur"	Plastic	Injection Molded
007	Medium Leg	2	Aesthetic legs that move asymmetrically as tarantula rolls Covered in fake "fur"	Plastic	Injection Molded
008	Large leg	2	Aesthetic legs that move asymmetrically as tarantula rolls Covered in fake "fur"	Plastic	Injection Molded
009	Feelers	2	Aesthetic feelers that are in a fixed, forward-facing position to mimic a spider Covered in fake "fur"	Plastic	Injection Molded
010	Driving Wheel 1	1	Takes torque of motor, drives the front axle Off-center axle hole	Plastic	Injection Molded, smoothed
011	Driving Wheel 2	1	Shares axle with Driving wheel 1 Off-center axle hole	Plastic	Injection Molded, smoothed
012	Plastic Protection housing	1	Holds motor and gearing in place on interior of robot Provides internal support for robot	Plastic	Injection Molded
013	Back Wheel Axle	2	Each axle has a Back wheel fitted on it, allows back wheels to roll	Steel	Cut wire, smoothed
014	Battery Cover Washer	1	Washer for battery cover screw	Plastic	Punched
015	Gear 1	2	Short and fat gear, used for power transmission	Plastic	Injection Molded
016	Gear 2	1	Medium gear, wide, used for power transmission	Plastic	Injection Molded
017	Gear 3	2	Thin, tall gear, used for power transmission	Plastic	Injection Molded
018	Gear 4	1	Large gear with cam, used to actuate tarantula leg movement	Plastic	Injection Molded
019	Axle 1	1	Smooth, long axle used to hold Gear 3 (both of them) on the interior of tarantula	Steel	Cut wire, smoothed
020	Axle 2	1	Smooth, medium axle Used on interior to hold Gear 1	Steel	Cut wire, smoothed
021	Axle 3	1	Smooth, short, and wide axle Drive Axle (has both driving wheels on it	Steel	Cut wire, smoothed
022	Axle 4	1	Long, double-roughed axle Used on interior to hold gears	Steel	Cut wire, smoothed, stamped rough areas
023	Axle 5	1	Short, double-roughed axle	Steel	Cut wire, smoothed, stamped rough areas
024	Axle Cap	1	Axle endcap	Plastic	Injection Molded
025	Switch Assembly	1	Electronic Off/On switch with 2 wires and small circuit	Circuit Board (silicon), metal wires, plastic switch	Assembly
026	Switch Cover	1	Covers switch, protects it	Plastic	Injection Molded
027	Motor Assembly	1	Motor that powers tarantula Worm-geared output shaft	Metal wiring, magnets, Metal casing, plastic gearing	Assembly
028	Circuit Board Assembly	1	Remote receiver has attached antenna controls motor function	Circuit Board (silicon), metal wires	Assembly
029	LED Assembly	1	Aesthetic assembly to make eyes of tarantula glow as it moves	Circuit (silicon), metal wires, LED	Assembly
030	Tarantula exterior bottom	1	outer shell of tarantula	Plastic	Injection Molded, hand modified
031	Tarantula exterior top	1	outer shell of tarantula covered in fake "fur"	Plastic	Injection Molded, hand modified
032	Battery Connector	1	Small flat metal piece that connects + end of one battery to - end of the other	Steel	Cut sheet metal
033	Battery + connector	1	connects to + end of batteries in series, connects to wire which runs to motor	Steel	Cut sheet metal
034	Battery - connector	1	connects to - end of batteries in series, connects to wire which runs to motor	Steel	Cut sheet metal
035	Metal screw receiver	1	threaded cylinder of steel to receive a screw mounted inside bottom plastic exterior to stop screw from tearing into plastic	Steel	threaded cylinder

Design for manufacturing and assembly

Failure mode effects analysis

Design for environment

EIOLCA