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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
Q

cons of in lien

A

expensiev set upw ith atuomationm

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26
Q

features of fully atuomated prod

A

used for products in high demadn
dedicated machienr for long runs
miniaml variatio

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27
Q

examples of fully automated

A

screws
staples
paper clips
leds

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28
Q

adv of fully automated

A

low unit costs
low skill work force

29
Q

cosn fo full auot manfuatcure

A

high cpaital invetment
needs effecityve maitnainence systems
low job satsifactiom

30
Q

how to comapre the diff productions cales

A

use very opposite expales, eg ebspoek woudl eb a personalsied suti, but mass woudl eba phoen case

31
Q

what is the imapt fo mass customsiation

A

able to chaneg shit easy , to create new demadn etc

32
Q

what is modular/cell production

A

combinign of cnc machines in groups

33
Q

what are teh cells in mod/cell prod programmed to carry out

A

sequence of operations to provide flexibel manfauctrue for a wide raneg fo compeoeents

34
Q

exampels of mod/cell rpoductio

A

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
Q

what is a high prirotity for mod/cell production

A

effectiev priodcution plannign

36
Q

what is JIT manfuacture

A

manfuactrrue as order comes

37
Q

what is lean manfuacture

A

a system that aims to recue waste and contuosuly improve

38
Q

main featrues of JIT

A

good relationship with suppliers
good transport ifnrastructure
no stock pilign of materials
reduce stroage
computires stock control

39
Q

what does lean manfuactrue focus on

A

enchancing JIT appraoch

40
Q

hwo deos lean manfuactrue aim to enhance JIt approach

A

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
Q

what are the types of waste lean manfuactruing aism to rid

A

unnecsary transport
excess inevtory
too many peopel and machiner
waiting between machines
over enrgineerign
excess productio
correctign defects

42
Q

what can standardise parts be relied upon to do

A

fit correctly when adding or repalcing elemenst fo design

43
Q

what si one of the most improtnat exampel fo standardisation

A

screw fasteners

44
Q

what will standrisation ensure

A

boguht in aprts and comepents will inetrgate seamlessly into manfuactruers products

45
Q

beenfist fo using bough in compeoentst

A

sub assemblies
bought in bulk
tiem saving
no need for specialsit equip
high stadnard

46
Q

wh do suppleirs make cad fiels easily avaible

A

so they can be easily inetrgeatd to cad design

47
Q

what is fully automated manfuctrue

A

lack of human involvement and robtos alogn side auomated machiens

48
Q

what do robtos in faully auto manfuacture do

A

move in 6 axis
precise hadnelling of parst nd compoenets
are prorgammable for a wide raneg of roel s

49
Q

what is PPC

A

prodcution panning and control

50
Q

what is ppc, other tahn what it satnds for

A

strategry to ensure shit in right palce at right time

51
Q

what does PPC and other rleated comp software sytem provide

A

organsiation of materials and parts
maintaince scheduling to keep effeincy

52
Q

what does CAD offer

A

wide range fo toosl for cretaign and mdoifyign
rapdi sharing
rapdi prottyping
aidings cAM

53
Q

what si CAM

A

use fo wide raneg of CNC machiens

54
Q

adv of CAM

A

minmum inteviention
standarised files mean remote work
compututre oeprated isnpection and qc
reduced human input

55
Q

what do develpments such as CAD and CAM help facilitae

A

rapid repsone to chaning fashion in produce and computure controlled shit

56
Q

where are computr systems used in manfuacture

A

productio
distribution
storage

57
Q

what deos CAD and CAm allow

A

mass customsiatio

58
Q

hwo does CAD and CAM allow for mass customsiation

A

peopel adding preferneces onlienwithotu the need for bespoek interaction etc

59
Q

what si mass customsiation

A

manufacturing etchnqiue whcih ues onlien roderign to combien flexibiltiy adn personalsiation fo custom amde products in mass production

60
Q

what is DDM mean

A

direct digitl manfuacture

61
Q

what is DDM

A

syste where parts are produced directly from cad fiels to machien

62
Q

what does DDM use

A

SLS 3D pritned maetrials and other RMs to allow the productioj of tooling parts and products

63
Q

exampels fo what may be made in DDM

A

metal and cermaic patetrs/moulds
complex engieneering compeoents
custom prosethetcis

64
Q

meaning of lgoistcis

A

deatieled oragsnation of actvities such as transport of materials, parst or products

65
Q

what si CIM stadn for

A

compututre intergeated manfaucture

66
Q

what si CIM often used to descirbe

A

hwo coputres oevsee all staegs fo binign shit to market , from design, to manfaucture to distrubution

67
Q

adv of CIM

A

effocncy
optimum flw
demand cna be forecast
optimum suppliers identifed
stock control

68
Q

examples of stcok cotnrol capabiltiies in CIM

A

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
Q

general draw back of computure systems

A

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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