Tommy Tsui_r
-
Upload
freeman-mak -
Category
Documents
-
view
230 -
download
0
Transcript of Tommy Tsui_r
-
8/13/2019 Tommy Tsui_r
1/15
Jewellery Quality Management System
An Overview
Tommy TsuiCertified Gemmologist (Diamond), Certified Gemmologist (Fei Cui)
HighCert (Jewelry Design), Executive Diploma in Mgnt (Jewelry) (PolyU)
DGA (UK), FGA (UK), FGAHK, FHKICA
Laboratory Director, Luk Fook Holdings Ltd
-
8/13/2019 Tommy Tsui_r
2/15
Presentation
Content
1) BasicConceptsofJewellery Craftsmanship
2) KeyAttributesofJewellery Quality
3) Jewellery QualityManagementSystem
4) Summary&
View
Sharing
-
8/13/2019 Tommy Tsui_r
3/15
Jewellery QualityManagement
System
1) BasicConceptsofJewellery Craftbased
ProductionSystem
Jewellery productionsystemiscomposedofseriesof
craftsmanship intensiveprocesses.
Specialtiesofjewellery craftsmanship
Jewellery craftsmanshipcanhardlybeexplicitly
described&fullyexpressedbywords:akindoftacit
knowhow.
Jewellery craftsmanshipisgainedthroughlearnby
doing(making)approachinamaster&apprentice
system.
-
8/13/2019 Tommy Tsui_r
4/15
Jewellery QualityManagement
System
1) KeyConceptsoftheNature&
Attributesof
Jewellery
Craftsmanship*
FreeCraftsmanship(handcraftsmanship):
Themastermodelmakertranslatesthedesignersvisualdrawingintoamaster
pieceofjewellery withahighlevelhand
craftsmanship,i.e.
free
craftsmanship,
withhisartisticsense&imagination.
*
Siu,
Norman
W.C.
(2001)
Design
in
the
Hong
Kong
Jewellery Industry:
The
Transformation
of
Labour
intensive
ProductionthroughValueaddedCraftsmanship.PhDThesis,TheHongKongPolytechnicUniversity,HongKong.
-
8/13/2019 Tommy Tsui_r
5/15
Jewellery QualityManagement
System
1) KeyConceptsoftheNature&
Attributesof
Jewellery
Craftsmanship*
Regulated Craftsmanship(hand
craftsmanship):
Thewelltrainedskilledcraftworkers
operatethefabricationprocesseswith
regulatedcraftsmanship
:gold
casting,
metalfiling,gemstonesetting,
electroplatingandpolishingetc.
*
Siu,
Norman
W.C.
(2001)
Design
in
the
Hong
Kong
Jewellery Industry:
The
Transformation
of
Labour
intensive
ProductionthroughValueaddedCraftsmanship.PhDThesis,TheHongKongPolytechnicUniversity,HongKong.
-
8/13/2019 Tommy Tsui_r
6/15
Jewellery QualityManagement
System
1) KeyConceptsoftheNature&
Attributesof
Jewellery
Craftsmanship*
DigitalCraftsmanship:
ThewelltrainedDigitalGoldsmithwithadigitalcraftsmanshipuseCAD/CAM
software&operatetherapid
prototypemachine
in
making
RP
modelsforcastingandreproduction.
*
Siu,
Norman
W.C.
(2001)
Design
in
the
Hong
Kong
Jewellery Industry:
The
Transformation
of
Labour
intensive
ProductionthroughValueaddedCraftsmanship.PhDThesis,TheHongKongPolytechnicUniversity,HongKong.
-
8/13/2019 Tommy Tsui_r
7/15
Jewellery QualityManagement
System
1) KeyConceptsoftheNature&Attributesof
Jewellery Craftsmanship
ManagementofCraftbasedProductionProcess:
Allthejewellery productionoperationsdemandahigh
levelof
craftsmanship:
free
craftsmanship,
regulated
craftsmanship&digitalcraftsmanship.
Theskill,judgmentandexperienceofthecraftsmen,
craftworker
and
digital
goldsmith
are
very
important
factorsinthecontrolofthequalityofthefinalproducts.
-
8/13/2019 Tommy Tsui_r
8/15
Jewellery QualityManagement
System
2) KeyAttributesofJewellery Quality
Specificationofqualityattributesofjewellery materials:
Goldandotherpreciousmetals:ISOStandardsofcontent
ofpreciousmetalalloys
Pure
Gold
Au999.9
KaratgoldAu916,Au750,Au585
PlatinumPt999.5,Pt999,Pt950,Pt900, Pt850
Qualitycontroltestesbytechnicalmethods:FireAssay,
ICPorEDXray.
Quality
gatekeeper
:engineer
and
technician
-
8/13/2019 Tommy Tsui_r
9/15
Jewellery QualityManagement
System
2) KeyAttributesofJewellery Quality
Specificationofqualityattributesofjewellery materials:
Diamond:4Cs(Carat,Colour,Clarity,Cut)
Diamondsorting&gradingprocesswith4Cstandard
Qualitygatekeeper:gemmologist andprofessionalgraders,e.g.CertifiedGemmologist (Diamond)
-
8/13/2019 Tommy Tsui_r
10/15
Jewellery QualityManagement
System
2) KeyAttributesofJewellery Quality
Specificationofqualityattributesofjewellery materials
Gemstones:
identificationofFei Cui:naturalvs chemicaltreatment
andcolour dyed
identificationofcoloured stones:naturalvs synthetic
andartificialtreatment
Qualitygatekeeper:gemmologist andprofessional
graders,e.g.CertifiedGemmologist (Fei Cui)
-
8/13/2019 Tommy Tsui_r
11/15
Jewellery QualityManagement
System
3) Jewellery QualityManagementSystem
Qualitycontrolinthekeyprocessofhandfabricationof
metal
Checkthegoldaftermeltingorcastingtoensurethegold
content
Checkthedefaultsordeformingpieceinducedbycasting
orotherproductionprocessestoreducethedefectrate
atevery
production
stage,
and
to
ensure
good
metal
forfinishingprocess
Qualitykeeper craftsmanandqualitycontroller
-
8/13/2019 Tommy Tsui_r
12/15
Jewellery QualityManagement
System
3) Jewellery QualityManagementSystem
Testingofeverypieceofprocesseditems(quality
assuranceineachdepartment)
takingjewellery samplessetwithdiamond,gemstones
andgold
mountings
for
random
check
at
every
stage
of
productiontoensurethequalityandpreventswitchby
worker
regular
checking
the
tools
and
machine
to
maintain
themingoodcondition
Qualitygatekeeper:qualitycontroller,technologist
andengineers.
-
8/13/2019 Tommy Tsui_r
13/15
Jewellery QualityManagement
System
4) Summary&ViewSharing
Jewellery QualityManagementSystemisaveryspecial
CraftbasedQMSmodel.
Jewellery QMSissustainedbythetotalityofQAs inallthe
departmentalizedproduction
sub
systems.
Ahumancenteredsystem:highlyrelianceonhuman
factor,i.e.gatekeepersskillandjudgment.
Supplemented
by
high
technology
equipment
to
conduce
scientificanalysisofcontentsoffabricatedmetals,
gemstoneidentificationetc.
-
8/13/2019 Tommy Tsui_r
14/15
Jewellery QualityManagement
System
4) Summary&ViewSharing
ContinuousImprovement&Challenges
Continuetogetaperfectbalanceofcraftsmanshipand
operationstandardization
Decoding
and
articulation
of
craft
know
how
attributes
forthemodulesofinternaltrainingprogramme
SettingaCPDorientedcareerdevelopmentpathforthe
internalstaff
-
8/13/2019 Tommy Tsui_r
15/15
THANKS