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FINAL DESIGN > 7.4 > Flashcards

7.4 Flashcards

1
Q

how are manfuactruing emthdos catergogrised

A

high volume (mass)
batch production
oneoff/bespoke

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2
Q

wht is mass production

A

making large numebrs of standarisde products in highly mechansied factroies

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3
Q

what si batch rpoduction

A

manfuacture of groups of products to icnrease effciency and economy

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4
Q

what si bespoke

A

tailor made for custoemr

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5
Q

what does size of productuon depend on

A

demand
type of product
materials used
equipment avalble
workforce size and skill
costs
ability to use standardised martiasl and parts

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6
Q

exampels of bespoek productio

A

luxury yacht
customsie chairs for phsycially disabled
wedding cake
violin

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7
Q

what si tehre with bespoek production

A

increased expense
icn time requriemenst
mroe complex processes

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8
Q

why is tehr einc tiem expense and rpocess in bespoek proudction

A

individual client consultations and deisgn work
high levesl fo skill for making
length mnanfuactru set up
low eco of scakes

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9
Q

featrues of batch rpoduction

A

qc
effecint
cost effective
manfactrue of simialr proidycst

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10
Q

how does batch rpoduction have its features

A

by using simulatenous manfuactruing processes

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11
Q

examples of batch production

A

pottery
wooden futniture
electric gutiars

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12
Q

adv of batch production

A

accurate fast production of parts
flexibility for emand led change fo batch size
few skilled workers needed, comapred to ebspoek
offers special addition, colorus and customsiation

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13
Q

and does batc rpoduction allwo fro accurate fat manfuactrue

A

use of jig fixtures and cnc

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14
Q

general size of batch production

A

few to 1000s

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15
Q

when is high vol prodution sued

A

for products taht are costantly demanded

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16
Q

methdos of mass rpoducion

A

contioues flow
in lien
fully automated

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17
Q

what is contuniosu flwo production

A

higjly autoamted 24 7 process, usually requriing small workforce

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18
Q

key fratrues of cont flow prod

A

highly automated
raw materiasl to products in same factory
products can be the matrial for other products

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19
Q

where woudl cotn flow prod be sue d

A

glass
paper
polymer extrusion
copper wire

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20
Q

adv of cont flow prod

A

small work force

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21
Q

cons fo cotn flow prod

A

lwo job satsifaction
expensiev to set up

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22
Q

features of inline production

A

manfuactrign stages carried otu sequentially
division fo laabour
hugh skileld work kforce
highly auto mated
conveyros often sued

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23
Q

examples of inlien prod

A

cards
furnttiure
appliances
clothign

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24
Q

adv of in line

A

reduced cost comapred to bespoek ro batch ]

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25
cons of in lien
expensiev set upw ith atuomationm
26
features of fully atuomated prod
used for products in high demadn dedicated machienr for long runs miniaml variatio
27
examples of fully automated
screws staples paper clips leds
28
adv of fully automated
low unit costs low skill work force
29
cosn fo full auot manfuatcure
high cpaital invetment needs effecityve maitnainence systems low job satsifactiom
30
how to comapre the diff productions cales
use very opposite expales, eg ebspoek woudl eb a personalsied suti, but mass woudl eba phoen case
31
what is the imapt fo mass customsiation
able to chaneg shit easy , to create new demadn etc
32
what is modular/cell production
combinign of cnc machines in groups
33
what are teh cells in mod/cell prod programmed to carry out
sequence of operations to provide flexibel manfauctrue for a wide raneg fo compeoeents
34
exampels of mod/cell rpoductio
robits transportign maetrials to diff areas robots with six axes to laod and ulaod rapdi tool chanegs and effcivte work peice clamping small team of multi skilled workers
35
what is a high prirotity for mod/cell production
effectiev priodcution plannign
36
what is JIT manfuacture
manfuactrrue as order comes
37
what is lean manfuacture
a system that aims to recue waste and contuosuly improve
38
main featrues of JIT
good relationship with suppliers good transport ifnrastructure no stock pilign of materials reduce stroage computires stock control
39
what does lean manfuactrue focus on
enchancing JIT appraoch
40
hwo deos lean manfuactrue aim to enhance JIt approach
reduciton fo stock and waste in all forms use of sigma 6 contiuos improvements focus on relationship with custoemr and supplier milti skilledand versatile capitla
41
what are the types of waste lean manfuactruing aism to rid
unnecsary transport excess inevtory too many peopel and machiner waiting between machines over enrgineerign excess productio correctign defects
42
what can standardise parts be relied upon to do
fit correctly when adding or repalcing elemenst fo design
43
what si one of the most improtnat exampel fo standardisation
screw fasteners
44
what will standrisation ensure
boguht in aprts and comepents will inetrgate seamlessly into manfuactruers products
45
beenfist fo using bough in compeoentst
sub assemblies bought in bulk tiem saving no need for specialsit equip high stadnard
46
wh do suppleirs make cad fiels easily avaible
so they can be easily inetrgeatd to cad design
47
what is fully automated manfuctrue
lack of human involvement and robtos alogn side auomated machiens
48
what do robtos in faully auto manfuacture do
move in 6 axis precise hadnelling of parst nd compoenets are prorgammable for a wide raneg of roel s
49
what is PPC
prodcution panning and control
50
what is ppc, other tahn what it satnds for
strategry to ensure shit in right palce at right time
51
what does PPC and other rleated comp software sytem provide
organsiation of materials and parts maintaince scheduling to keep effeincy
52
what does CAD offer
wide range fo toosl for cretaign and mdoifyign rapdi sharing rapdi prottyping aidings cAM
53
what si CAM
use fo wide raneg of CNC machiens
54
adv of CAM
minmum inteviention standarised files mean remote work compututre oeprated isnpection and qc reduced human input
55
what do develpments such as CAD and CAM help facilitae
rapid repsone to chaning fashion in produce and computure controlled shit
56
where are computr systems used in manfuacture
productio distribution storage
57
what deos CAD and CAm allow
mass customsiatio
58
hwo does CAD and CAM allow for mass customsiation
peopel adding preferneces onlienwithotu the need for bespoek interaction etc
59
what si mass customsiation
manufacturing etchnqiue whcih ues onlien roderign to combien flexibiltiy adn personalsiation fo custom amde products in mass production
60
what is DDM mean
direct digitl manfuacture
61
what is DDM
syste where parts are produced directly from cad fiels to machien
62
what does DDM use
SLS 3D pritned maetrials and other RMs to allow the productioj of tooling parts and products
63
exampels fo what may be made in DDM
metal and cermaic patetrs/moulds complex engieneering compeoents custom prosethetcis
64
meaning of lgoistcis
deatieled oragsnation of actvities such as transport of materials, parst or products
65
what si CIM stadn for
compututre intergeated manfaucture
66
what si CIM often used to descirbe
hwo coputres oevsee all staegs fo binign shit to market , from design, to manfaucture to distrubution
67
adv of CIM
effocncy optimum flw demand cna be forecast optimum suppliers identifed stock control
68
examples of stcok cotnrol capabiltiies in CIM
motiorign costign and orderign maetrial and parts computrueised warehosues optimum loading patetrns for freights contraners efficnt delievry schedule EPOS oragsnsiation fo optimum buffer stiok
69
general draw back of computure systems
ddigital data security issues set up and trainign costs need to be udpated need for back up systems

FINAL DESIGN (43 decks)

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