Gyrotonic Aftermarket Bench Lift Design ME ME 395 F Fin inal l - - PowerPoint PPT Presentation

Gyrotonic Aftermarket Bench Lift Design

ME ME 395 F Fin inal l Pr Proje ject Gr Group up 1 1 Da David id T Tric ick, An Andr drew ew Du Duong ng, Hu Huy Le, e, Mi Micha hael el Gi Gilr lroy & & Ni Nick Schl hlec eck

Problem Statement

• Devel

velop

• p an after

er-ma market rket ki kit to fac facil ilit itate ate qu quic ick and ea easy adju justme tment nt

• f th

f the e bench nch uni nit t heig ight: ht:

• Two

wo in incr crements ements of t f two wo in inches hes ea each

• No perm

ermanent anent modification ification of be f benc nch

• Cannot interfere with user’s feet
• Must

ust be ab e able le to to sl slid ide e wi with th ben ench ch

• Cannot increase resting height by more than ½”
• <$500

00 retail etail cost st

• Lif

ifet etime ime gua uarantee rantee

[1]

Project Planning & Research

• Leslie’s additional criteria:
• up t

to 6

• 6" o

" of s f smoo

• oth mov
• vemen

ent! t!

• Attractive

tractive pack ckag age

• Mi

Minim nimal al work

• rk by u

y use ser

• And more…

[2]

• En

Engi gineering neering Cr Criteri iteria a to ex

• expl

plor

• re:

e:

• Ec

Econ

• nomics
• mics – in

initial itial and nd lon long-ter erm

• Sp

Spee eed o d of s f sys ystem em

• Noi
• ise

se

• Ea

Ease se of u f use se

• Ea

Ease se of s f set etup up and nd de detachmen achment

• Ae

Aest sthetic hetic va value lue

• Phy

hysic sical al work

• rk in

inpu put by by u use ser

• St

Stability bility

Concept Generation

• Activit

tivities ies wit ith h Polina’s Gr Group

• up: Bra

rainstorming & gi instorming & gift t car ards ds

• Pot
• ten

ential tial Id Idea eas: s:

• Bot
• ttle

le ja jack ck sy syst stem em

• Ce

Ceiling iling ho hois ist

• In

Infl flatable atable be bed

• Pne

neum umatic atic cylinder ylinders

• Me

Mechanical hanical sc sciss issor

• r li

lift t sy syst stem em

[3] [4]

Concept Exploration: Hydraulics

• Ide

deas: s:

• Bo

Bottle e Jac acks ks

• Sy

Syst stem em with pist ston

• ns

Bot

• ttle

e Jack ck Hydra rauli ulic c Sy Syst stem em Pr Pros

• s:

Pr Pros

• s:

Quiet, simple, cheap, powerful Quiet, powerful, exact. Co Cons: s: Co Cons: s: Work done by user, have to replace bottle, aesthetically unpleasing Expensive, design is not simple, possible leakage, not in aesthetic of gym

Concept Exploration: Mechanical

• Ide

deas

• sc

screw ew j jac ack k lift

• sc

sciss ssor

• r lift
• Pr

Pros: s:

• si

simple le tec echnol nology

• gy,

,

• little to

e to no m

• mai

aint ntenance enance

• Cons

ns:

• not
• t ea

easy sy to c

• con
• nst

struc ruct o t or find

• met

etal al pa parts ts n not

• t ae

aest sthet hetically cally plea easi sing ng

• pot
• ten

entially ally dem emand ands s too

• o m

much uch wor

• rk

k from

• m use

sers

Concept Exploration: Pneumatics

• T

ech chnolog

• logy

y use sed to to li lift t off ffice c ice chair airs

• Pros
• s
• easy

sy for cli lients s to us use

• rela

lativ ively ly in inexp xpensi sive

• Co

Cons ns

• may not b

be a abl ble to li lift we weig ight

• di

difficu icult lt to a adj djust st to ex exact ct heig ight d desi sired

Concept Exploration: Electrical Linear Actuators

• Mo

Motor po

• r powered

ed li lifts ts

• Pros
• s:
• de

desi sign gn t to su supp pport la large ge st stress ss lo loads ds

• easy

sy to us use by by c cli lients

• Co

Cons: s:

• requ

quir ires ext s extern rnal l po powe wer so r sour urce

• wi

wires

• po

potentia iall lly exp xpensi sive

Control linear actuator system

• Up

Up & D & Dow

• wn Sw

n Switc itch

• Two

wo-si sided ed but utto ton n sw swit itch

Control by remote

Re Receiver eiver bo board: d: $7 $70 Tra ransmitter nsmitter: $6 $65 DC C ada dapt pter er: $2 $25 Li Lines nes & & ju jumper per chip hip: $1 $10 ht https ps://w //www ww.you .youtub tube.com e.com/w /w atch? ch?v=hN7 v=hN7Wl2Uwb Wl2Uwb8s 8s

Concept Selection

• Hou
• use

se of Q f Quality: lity:

• type

pe o

• f de

devic ice, mountin ing g to be bench, a and p d powe wer so source the m most st im impo portant factor

• rs
• Pugh Ch

Charts: ts:

Final Design – Housed Linear Actuators

• Th

Three 6" ee 6"-lif lift t li linear ear actua tuator tors

• 2 i

in fr front, 1 in in b back

• Ele

lectrical ically ly po powe wered

• Ce

Central tral con

• ntr

trol

• l boa
• ard
• Front and b

d back controll lled d in inde depe pende dently ly

• Woo
• oden bench

h attach tachmen ments ts

• Fit

it onto horiz izontal l su supp pports

• Strapp

pped o d onto be bench

• Woo
• oden hou
• usi

sings a s and ba base ses

• Large

ge ba base se bo boards ds for st stabi bili lity

• Me

Metal l actuat ators s hid idde den

Final Design Drawbacks

• El

Electr ectrical ically ly po power ered ed- ha hard d to m

• match

tch wit ith h curr urrent ent Se Seattle tle Ch Changin nging g Ro Room

• m a

aes esthetic hetic

• Mod

Moder erately ately sl slow

• w to

to ch change nge he heig ights hts

• Co

Corded ded- pr pres esent ents pos s possi sibl ble e trip ripping ha ping hazar ard

• Ti

Time-int intensive to p ensive to prod

• duc

uce e ho hous usin ings gs, po poten ential tially ly cos

• stly

ly as w s well ell

Final Design Strengths

• Ea

Easy sy to us

• use;

e; sw swit itch ch-op

• perated

erated

• Re

Requ quir ires ver es very y lit little tle work fr

• rk from
• m us

user er

• 5 1

5 1/2 /2" " con

• ntinuou

tinuous s ra rang nge

• Ea

Easy sy to a

• adj

djus ust t to ex

• exact

ct he heig ight ht de desi sired ed

• Lo

Low ma mainten intenance ance cos

• sts
• Lo

Low pr profile, file, apa part t fr from

• m actuator

tuator ho hous usin ings gs

• Wou
• uld

ld allow be llow benc nch h to sl

• slid

ide, e, in in the heor

• ry
• Ca

Can be n be r rem emoved

• ved whe

hen n ne necess essar ary

Video - Testing on the Bench

Cost & Finances

Par arts/ s/Compo Component nents Pr Price ce Li Linear ear Act ctuator ators s (3) $114 114 Elec ectrical cal wiring & co & control

• ls

$38 38 Woo

• od

$20 20 Har ardwar are $10 10 Attach achment ment st straps aps & & co cords $15 15 T

• t
• tal

al Ma Mate teri rial al Co Cost sts $197 197

• In

Inexp expen ensive sive to to pr prod

• duce

ce

• Lo

Low i inst stall allati ation

• n co

cost st

• Lo

Low f futur ure e mai ainte ntenance nance co cost st

• Ener

ergy y co cost st v ver ery low

• w
• Elec

ectrici city ty

• Us

Use f e for

• r on
• nly

y sh shor

• rt p

t per eriods

• ds of t

time, e, les ess t s than an a m a minut nute e to

• per

erform

• rm tas

ask

• Will be

e virtuall ually y ne negli ligib ible le

Manufacturing

Type o e of Co Cost st Amou

• unt

nt Mat ater erial als $90 90 La Labor

• r & M

& Man anufactur ufacturin ing $50 50 Tran ansp spor

• rtati

ation

• n

$10 10 Su Sub T T

• t
• tal

al $150 150 50 0 Per ercent cent Ret etai ail l Markup arkup $150 150 T

• t
• tal

al Ret etai ail l Co Cost st $30 300

Safety & Reliability

• Fi

Final nal de desi sign gn is is du dura rable ble and nd st stur urdy dy

• he

hefty ba base se we weig ight ht

• wo

won't 't tip ip e easi sily ly

• Ca

Can ea n easily sily su supp ppor

• rt weig

eight ht

• Me

Measu sured ed be benc nch h we weig ight ht - 110 lb lb

• max

x lo load ea d each h actua uator r can n su supp pport - 330 lb lb

• x3

x3 ac actuator uators s = 9 990 90 lb

• Sa

Safe fety ty Factor ctor of 4 f 4

• fail

ilur ure e thr hres esho hold ld (9 (990)/ ant ntic icip ipated dut ed duty ( (be benc nch + 1 h + 150 lb lb p per erso son) n)

Works Cited

• [1

[1] ] K. E.

• E. El

Elder er, ME ME 3 395 - Con

• ncept

ptual al Desi sign gn Proj

• ject

ct. . Seattle, W ttle, WA: Un Univ iver ersity o sity of f Wash shin ington ton, , 2015.

• [2

[2] ] Amaz azon

• n.co

.com.

• m. ECO

ECO-WO WORTHY THY 2' 2'' 4' ' 4'' 6" ' 6" 8'' 8'' 10 10'' '' 12 12" " 14 14'' '' 16 16'' '' 18 18'' '' Heav avy y Duty y 330lb lbs Li s Linea ear r Actu tuat ator

• r with

th Mo Mountin ing Br g Brac ackets ts [O [Online] nline]. . Ava vailable ilable: : ht http tp://www ://www.a .amazon mazon.co .com/EC m/ECO-WOR WORTHY THY-Act Actuator uator-Mo Moun unting ting-Brackets Brackets- Ele lectr ctroic/d

• ic/dp/B

p/B00 00WW5 WW5XPT XPT4/r 4/ref= ef=sr_ sr_1_3?ie= 3?ie=UTF UTF8&qid 8&qid=14 14398 398768 76892 92&sr= &sr=8- 3&keywor eywords= s=linea linear+actu r+actuator ator

• [3

[3] ] Co Contr trol

• l lin

linear ear actu ctuator ator by y remo mote te con

• ntr

trol:

• l:http

https: s://www //www.you youtu tube.c e.com

• m/watch?

/watch?v=hN v=hN7Wl2 7Wl2Uw Uwb8s

Image Sources

[1 [1] ] htt ttp:/ ://ww /www.s .shuriulo.c uriulo.com/wp

• m/wp-con

conte tent/u nt/uploads ploads/201 /2011/04/P 1/04/PTU_c TU_cir ircles cles.jpg .jpg [2 [2] ] htt ttp:/ ://se /seattl attlecha echangin gingr groom.c

• om.com/wp
• m/wp-con

conten tent/u t/uploa ploads ds/201 /2012/01 2/01/C /Chang hanging ing-Room311 Room311-cop copy.j .jpg pg [3] 3]http http:/ ://stat /static.axmins ic.axminster ter.c .co.

• .uk/med

k/media/c ia/cata atalog/pr log/produ

• duct/c

ct/cache che/1/image/9df78eab33525d0 /1/image/9df78eab33525d08d6e5f 8d6e5fb8 b8d2713 d27136e95/ 6e95/9 /5/9515 /951567 67_inset _inset1_xl. 1_xl.jpg jpg [4 [4] ] htt ttp:/ ://www /www.f .fur urnitur niturekn eknow

• w.c

.com/wp

• m/wp-con

conten tent/u t/uploa ploads ds/2014/06/ /2014/06/115. 15.jpg jpg [5 [5] ] htt ttp:/ ://ec /ecx.images x.images-ama mazon

• n.c

.com/im

• m/images

ges/I/51 /I/5145mx 45mx9P69 9P69L._S L._SX3 X355_.jpg 55_.jpg [6 [6] ] htt ttp:/ ://www /www.e .ellisok.n llisok.net/sites t/sites/de /default/f fault/fil iles/ es/pr produ

• duct_p

ct_pics/ST ics/STL-13_s 13_sdw dw.jpg .jpg [7 [7] ] htt ttp:/ ://www /www.p .progr

• gress

essiveautomat iveautomations ions.c .com

• m/media/pa_

/media/pa_blo blogim gimages ages/mi /mini ni-linear linear-actuator ctuator.j .jpg pg