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K Small-invasivesampilngmachine ,Onilnesampilng, Smal lsample ,Spherica lmachine .l
o o t
.t c a r t s b
A Theresearchanddevelopmen tofsmall-invasivesamplingmachine(SISM) ,whichcanbe o
t d e s
u takeou tsmal ldimensiona lsamplesfromin-serviceequipmen tandtoprovideexperimenta l i
l p p a t n a t r o p m i s a h , t s e t h c n u p l l a m s d n a t s e t g n i g l u b c i l u a r d y h r o f s l a i r e t a
m caiton value in
g n i l p m a s e h T . s n o it a r e d i s n o c n g i s e d s t i d n a M S I S a d e s o p o r p r e p a p s i h T . e c it c a r p g n i r e e n i g n E
l a i r e t a m g n i l p m a s g n i v o r p m i r o f t n e m e g n a r r a e l p m a s l a n o i s n e m i d l l a m s d n a n a l p y r o t c e j a r t
a m l a c i r e h p s i m e s e u q i n u A . d e b i r c s e d n e e b e v a h n o it a z i l i t
u chine too lwas designed and the
l o o t e h T . d e i d u t s s a w g n it a o c e d a l b l o o t e h t f o n o i t a z i r e t c a r a h c e c n a m r o f r e p d n a d o h t e m n o it a r a p e r p
g n i w s A . d e n n a l p e r e w n o i t o m d e e f y r a t o r d n a n o i t o m g n i t t u c y r a t o
r -level-typecenteringmechanism
e m g n i d e e f s a d e n g i s e d s a
w chanism .Samplesofformofspherica lcrownwith diameter35mmand
n i m o r f n w o d e k a t e b n a c m m 4 s s e n k c i h
t -serviceequipmen.t
n o it c u d o r t n I
o t d e e n t n e g r u n a e v a h y l l a u s u e l p o e
P knowclearlyaboutt heservicestatusaswel last her eilabliity ,
e f i l l a u d i s e
r andsafetystatusoft hespecia lequipmen,tespeciallysuchast hepowerstationequipmen,t s
e c i v e d l a c i m e h c d n a s e n i l e p i p d n a t n e m p i u q e s s e c o r
p .Therefore ,i thas importan ttheoretica l
d n a r o t i n o m o t t i f e n e b l a i c o s d n a e u l a v g n i r e e n i g n e , e c n a c i f i n g i
s evaluatet hestatusoft heequipmen t
. e c i v r e s n i
e h t m o r f l a i r e t a m e g r a l e v o m e r o t e l b i s s o p m i s i t
I i -n serviceequipmentt omakestandardsamples
e u q i n h c e t t s e t h c n u p l l a m s e h t d e p o l e v e d e l p o e P . t n e m p i u q e l a i c e p s e h t f o y t i r a l u c i t r a p e h t o t e u d
l u a r d y h d n
a ic bulging technique in order to evaluate the materia lproperties of the in-service
n i e h t f o y d o b e h t n o l a i r e t a m f o e c e i p l l a m s a e k a t o t d e e n y l n o s d o h t e m t s e t e s e h T . t n e m p i u q
e
-e v e t a r e n e g l l i w g n i l p m a s e h t f o e s u a c e b s t i p w o l l a h s e h T . t n e m p i u q e e c i v r e
s ryl owstress,t heshallow
s t i
p ’ surfaces are smooth and the shallow pits are no need to be repaired .Therefore ,this micro e h t f o e c a f r u s e h t o t m r a h s e o d t a h t d o h t e m g n i l p m a s a s a d e r e d i s n o c e b n a c d o h t e m g n i l p m a s
t n e m p i u q
e [1].
d e v o m e r l a i r e t a m y n i t e h
T fromtheequipmen tcanbemadeinto asmal lcircularspecimen wtih
y r a d n u o b n i a r g d n a s k c a r c e c a f r u s l l a m S . m m 0 1 ~ 5 f o r e t e m a i d e h t d n a m m 5 . 0 f o s s e n k c i h t e h t
e h T . e p o c s o r c i m n o r t c e l e n a r o e p o c s o r c i m l a c i t p o r e w o p h g i h a r e d n u d e v r e s b o e b n a c s n o i s u l c n i
a
s mplecanbeusedt oevaluatet hepropertiesoff racturet oughness ,hardness ,radiaitonembrtitlemen t , e u g it a f , e l i s n e t n i r o i v a h e b l a i r e t a m f o e g n a h c e h t t s e t o t d e s u e b o s l a n a c e l p m a s e h T . n o o s d n a
. s t n e m n o r i v n e e v i s o r r o c d n a , p e e r c
y b d e n i a t b o a t a d e h
T the micro sample tes tmethod can bedirectly used to establish thedesign
n i f o n o i t a u l a v e y t e f a s , t n e m p i u q e l a i c e p s f o a i r e t i r
c -serviceequipment ,equipmen tlife extension ,
o m d n a e c n a n e t n i a m t n e m p i u q e d n a , s i s y l a n a e d o m e r u l i a f , n o it a m i t s e e f i l l a u d i s e
r nitoring.
e t i s g n i l p m a s e h t f o s n o i t i d n o c e h t r e d i s n o
C according totherequirementsofthesampleforthe
o r c i
m damage testand determine thedesign constraintsof the micro damagefas tmicro-sampling e
n i h c a
m [2] .Finish the design and verification of thedynamicsystem ,transmission system ,cutting . e c a p s w o r r a n a n i e n i h c a m g n i l p m a s l a c i n a h c e m e h t f o m e t s y s l o r t n o c d n a m e t s y s t n a l o o c , m e t s y s
r e t t u c l w o
b forthesampling machine ,including high strength too lstee lmolding ,cu tteredgewear ,
g n i t a o c t n a t s i s e
r as wel las the manufacturing processof bow lcutter ,too lmaterial ,too lforming
o r p n o i t a n i b m o c g n i t a o c r a e w e g d e r e t t u c e h t f o g n i n e e r c s d n a s s e c o r
p cess .Stabilityandsafetydesign
. s r e t e m a r a p g n il p m a s f o n o it c e l e s e h t d n a e n i h c a m g n i l p m a s f o s s e c o r p g n il p m a s n i
. d e p a h s p a c l a c i r e h p s s i g n il p m a s o r c i m e h t , 1 e r u g i F n i n w o h s s i g n i l p m a s o r c i m e h t f o e z i s e h T
e r a H s s e n k c i h t e h t d n a R s u i d a r e h
T relatedt ot hediameterofspherica lcapL .Thet hicknessoft he
e b n a c g n i l p m a s o r c i m h c a E . m m 0 5 ~ 0 3 = L p a c l a c i r e h p s f o r e t e m a i d e h t , m m 5 s i g n i l p m a s o r c i m
2 s i g n il p m a s e h t f o s s e n k c i h t e h t f I . e z i s r i e h t o t g n i d r o c c a s n e m i c e p s o r c i m f o r e b m u n a f o e d a
m mm ,
s w o r 4 r o 3 , m m 4 s i s s e n k c i h t e h t f I . s s e n k c i h t f o n o i t c e r i d e h t n i e d a m e b n a c s n e m i c e p s f o s w o r o w t
g n i d r o c c a e d a m e b n a c g n i l p m a s o r c i m , m m 0 4 = L , n o i t c e r i d e n a l p e h t n I . e d a m e b n a c s n e m i c e p s f o
3 ~ 5 1 , y a w s i h t n I . 2 e r u g i F n i t n e m e g n a r r a e h t o
t 5 micro specimenscanbemadefromtheremoved
.l a i r e t a m y n i t
g i
F ure1 .Sizeandstructura lshapeofmicro-sample. Figure2 .Arrangemen tofmicro-specimensi nt hesampling.
h c r a e s e
R Proces sandOveral lPlan e t i s g n i l p m a s e h t f o s n o i t i d n o c e h t r e d i s n o
C accordingt ot her equirementsoft hesamplef ort hemicro
e g a m a
d t estanddeterminet hedesignconstraintsoft hemicrodamagefas tmicro-samplingmachine . e
t s y s c i m a n y d e h t f o n o i t a c i f i r e v d n a n g i s e d e h t h s i n i
F m ,transmission system ,cutting system ,
. e c a p s w o r r a n a n i e n i h c a m g n il p m a s l a c i n a h c e m e h t f o m e t s y s l o r t n o c d n a m e t s y s t n a l o o
c Facliities
d e t s e t d n a d e n g i s e d e r
a to mee tdifferen tstiesand differen tsamplingequipment .Study thespecia l
t r o f r e t t u c l w o
b hesampling machine ,including high strength too lstee lmolding ,cu tteredgewear
g n i t a o c t n a t s i s e
r ,as wel las the manufacturing processof bow lcutter ,too lmaterial ,too lforming
. s s e c o r p n o i t a n i b m o c g n i t a o c r a e w e g d e r e t t u c e h t f o g n i n e e r c s d n a s s e c o r
p Stabilityandsafetydesign
. s r e t e m a r a p g n il p m a s f o n o it c e l e s e h t d n a e n i h c a m g n i l p m a s f o s s e c o r p g n i l p m a s n
i hT e projec t
d n a h c r a e s e r s t n e n o p m o c y e k , n o i t c e l e s l e d o m d n a e l p i c n i r p s ' e n i h c a m g n i l p m a s e h t s e v l o v n i y l n i a m
s t n e n o p m o c l a c i n a h c e m , t n e m p o l e v e
d design , automatic contro l parameter optimization , field
h t i w e n i h c a m g n i l p m a s d e l i f a e r u t c a f u n a m , t n e m e v o r p m i d n a g n i g g u b e d h g u o r h T . n o o s d n a n o i t a x i f
y l a n a , e n i h c a m g n i l p m a s e h t f o y t i l i b a il e r e h t t s e T . n o it c n u f t c e f r e
p ze the material’s changes of
c u r t
s tureand performance before and after sampling ,study the effec tofdifferen tcutitng rateson .
d n e e h t t a s t n e m u c o d e u q i n h c e t e h t h s i n i f d n a , s e i t r e p o r p l a i r e t a m d n a y c n e i c i f f e g n i l p m a s
a s e r u t c u r t s e h t , e v o b a d e n o i t n e m s a e d i d n a s t n e t n o c e h t o t g n i d r o c c
A nd functions of the
. 3 e r u g i F n i n w o h s e r a d e n n a l p d n a d e n g i s e d e n i h c a m g n i l p m a s l a c i n a h c e m
: s w o l l o f s a e r a s t n e t n o c h c r a e s e r c i f i c e p s e h T
. s t n e m e r i u q e r g n il p m a S .
a The recommended sizesof thesmal lpunch tes tare 8 to 10mm in y l l a u s u s i y r t n u o c r u o n i n e m i c e p s e h t f o e z i s e h t ,t n e s e r p t A . s s e n k c i h t n i m m 5 . 0 o t 5 2 . 0 d n a r e t e m a i d
. s s e n k c i h t n i m m 5 . 0 d n a r e t e m a i d n i m m 0
1 Consideringt heuseofEDMt echnologyt omachinemicro
specimenslater ,therewli lbehea taffectinglayersandprocessing linesonthespecimens .So there , t s e t h c n u p l l a m s e h t f o s r o t c a f e c n e u l f n i e r o m y l e v i t a l e r o t e u D . s e c n a w o ll a g n i n i h c a m e b t s u m
t i l i b a i l e r e h t e r u s n e o t d e d e e n e r a s n e m i c e p s h g u o n
e y of the experiments .A tleas t3 pieces of
. y c n e i c i f f e g n i n i h c a m e h t e r u s n e o t d e v o m e r e l p m a s f o e c e i p h c a e m o r f t u o n e k a t e b n a c s n e m i c e p s
e n i h c a m g n i l p m a s e h t f o s s e n k c i h t g n i l p m a s m u m i n i m e h t t a h t d e r i u q e r y ll a r e n e g s i t i , e r o f e r e h T
d e e t n a r a u g e b d l u o h
s to be above 2-3mm (containing the heated cutting surface or mechanica l
e g a m a
d d part) .Increasetheuitlizaitonoft hemateria lremovedasmuchaspossible ,i tishopedtha t t
s u m e z i s g n i l p m a s e h t , n o i t i d d a n I . % 0 8 n a h t e r o m h c a e r n a c e t a r n o it a z i li t u e h
e z i s e h t d n a , t n e m p i u q e e h t f o e c n a r a e p p a e h t , n e m i c e p s o r c i m e h t f o e p a h s d n a e z i s e h t o t g n i d r o c c a
.t n e m p i u q e e h t f o
.
b Principleand structure de isgn .Thereare two kinds offield sampilng machinesdeveloped s
a h c u s , t n e s e r p t a d a o r b
a EDMtypeand mechanica ltype .Takinginto accoun ttha ttheEDMtype
e h t e s u e w o s , d e t i m i l s i g n i l p m a s d l e i f e h t , g n o l s i g n i m u s n o c e m i t e h t d n a h g i h s i t s o c g n i l p m a s
r u d d e r e d i s n o c e b o t d e e n s t r a p g n i w o l l o f e h t , 1 e r u g i F m o r f e e s n a c e w s A . e p y t l a c i n a h c e
m ingthe
, e c i v e d g n i x i f , r e t t u c , e l d n i p s , s r o t o m c i r t c e l e : e n i h c a m g n il p m a s l a c i n a h c e m a f o t n e m p o l e v e d
d e d i v i d y l h g u o r e b n a c t I . g n i l p m a s r e t f a t n e m p i u q e g n i n i h c a m d n a s d o h t e m g n i l o o c , e p y t n o i t c e n n o c
c , m e t s y s n o i s s i m s n a r t , m e t s y s r e w o p : s m e t s y s x i s o t n
i uttingsystem ,coolingsystem ,contro lsystem
g u l p e h t s a h m e t s y s r e w o p e h T . m e t s y s d e x i f d n
a -int ypeandt hemobilepowert ype .
. d e t a c i l p m o c y l e v i t a l e r s i e n i h c a m g n i l p m a s e h t f o m e t s y s n o i s s i m s n a r t e h t d n a m e t s y s g n i tt u c e h T
s e d u l c n i m e t s y s g n i t t u c e h
T thehighspeedrotationofthecuttingtoo landthelowspeedrotationof
o w t f o n o i t o m n o i t i s o p r e p u s e h t f o y r o t c e j a r t e h T . n o it c e r i d h t p e d g n i l p m a s e h t g n o l a l o o t e h t
u f g n i t t u c r a l u g e r s t i t n e m e l p m i n a c e w t a h t o s , d e t a l u c l a c e b t s u m s n o i t o m t n e d n e p e d n
i nctiont hrough
d e e p s h g i h e h t g n i r u d n o it a r b i v e h t o t e u d d e c u d e r l l i w y t i li b a i l e r d n a y t i l i b a t s e h T . m e t s y s l o r t n o c e h t
m e t s y s g n i t t u c e h t f o n o i t c u d e r o t d a e l l l i w t I . s s e c o r p g n i t t u
c ’sl ife .Throught heanalysisandr esearch
h t , n o i t a c o l g n i l p m a s e h t f
o eoptima ldesignoft hemotionmechanismandt hel ife-spandesignoft he
e t i n i f h g u o r h T . m e t s y s n o it o m e l b a l l o r t n o c d n a e l b a i l e r , e l b i x e l f e h t e v e i h c a n a c e w , e r u t c u r t s n o i t o m
f o t n e m e v o r p m i d n a s i s y l a n a , s t s e t d l e i f f o r e b m u n e g r a l a d n a s i s y l a n a t n e m e l
e the stabiilty and
n o it o m e h t f o y ti l i b a t s e h t e v o r p m i n a c e w , m e t s y s g n it t u c e h t d n a m e t s y s n o i t o m e h t f o y t i l i b a i l e r
. m e t s y s g n i t t u c d n a m e t s y s
e h t f o r e t t u c e h t r o f n g i s e d g n il o o c e l b a n o s a e R . t a e h f o t o l a e t a r e n e g l l i w g n it t u c l a c i n a h c e M
n i h c a m g n i l p m a
s ei snecessaryt oavoidexcessivehea teffec tonequipmen tormaterial .Thesampling o s l a n a c , n o i t c n u f g n i t t u c e h t e z i l a e r n a c y l n o t o n , m e t s y s l o r t n o c d e c n a v d a e v a h d l u o h s e n i h c a m
a s l a i r e t a m t n e r e f f i d o t g n i d r o c c a y l p p u s t n a l o o c d n a d e e p s g n i t t u c t s u j d
a nd the change of the
n e k a t e b o s l a t s u m e r u t c u r t s e l o h w e h t f o e c n a l a b e h t d n a e r u t c u r t s h c a e f o s s e n f f i t s e h T . e r u t a r e p m e t
.t n u o c c a o t n i
c .Research and developmen to fspecia lcutitng parts .Thecomponentsof thefield sampilng d
n a s r o t o m s a h c u s e n i h c a
m spindlescan bepurchased .A tleast ,through reasonableselectionand
e h t n i r e t t u c e h T . e v e i h c a o t y s a e s i n o i t c n u f g n i y r r a c e h t , e r u t c u r t s e l o h w e h t f o n g i s e d l l a r e v o
. e l p o e p y b d e p o l e v e d e b o t s d e e n h c i h w t n e n o p m o c t n a t r o p m i t s o m e h t s i e n i h c a m g n i l p m a s
. e n i h c a m g n i l p m a s l a c i n a h c e m e h t f o n o i t c n u f d n a e r u t c u r t S . 3 e r u g i F
n i f o s t n e m e r i u q e r c i s a b e h t n o d e s a b s i e n i h c a m g n i l p m a s e h t f o t n e n o p m o c g n i l p m a s e h
T -service
e h t , t n e m p i u q
e hemispherica lcuttingtoolisusedasthecuttingtoo.lThehemisphericalcutitngtoo l
e h t n o y d u t s o t y r a s s e c e n s i t i , y l t s r i F . c t e , n o i t a r b i v e h t y b d e s u a c s s e r t s e u g i t a f e h t , s s e r t s t c a p m i e h t
n o i t c e l e s l a i r e t a m , n g i s e d l o o
t ,strength design and vibration analysis .Secondly ,materia lhea t
g n i tt u c e h t f o e c a f r u s e h t , y l t s a L . l a i t n e s s e e r a l o o t g n i tt u c e h t f o y g o l o n h c e t g n i s s e c o r p d n a t n e m t a e r t
e r t c a p m i d n a e c n a t s i s e r r a e w e h t e v o r p m i o t n o it a r a p e r p e c a f r u s e h t y l p p a t s u m l o o
t sistanceofthe
h g i h f o s n o i t a n i b m o c t n e r e f f i d f o s i s y l a n a e f il d n a t s e t e c n a m r o f r e p e v i s n e h e r p m o c h g u o r h T . e c a f r u s
l a i r e t a m , e r u t c u r t s d e z i m it p o e h t e s o o h c o t g n it a o c t n a t s i s e r r a e w d n a l e e t s l o o t t n a t s i s e r r a e w h t g n e r t s
p o l e v e d o t n o i t a n i b m o c g n i t a o c d n
a thecutitngpartswtihhighperformance.
g n i d n i r g f o n g i s e d e p a h s e h t s i t n a t r o p m i t s o m e h t , s t r a p g n it t u c f o t n e m p o l e v e d d n a h c r a e s e r e h t n I
e h t d n a s l o o t g n i t t u c f o y g o l o n h c e t g n i r u t c a f u n a m e h t , s l o o t g n i t t u c f o n g i s e d h t g n e r t s e h t , s l o o t
. g n i t a o c e v i s a r b a f o y g o l o n h c e t
d .Samplee quivalenceveriifca itona tfers ampilng .Atlhought herei snoparticularchangei nt he o
r c i
m -structureandmacro-mechanica lpropertiesoft hesample ,butt hemicro-specimeni sverysmal l v
e c n e l a v i u q e n e m i c e p s f o e u s s i e h t r , e r o f e r e h T . s e g n a h c r o n i m o t e l b i t p e c s u s d n
a erification after
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n g i s e d e h t s a l l e w s a , s e i d u t s g n i t a o c e d a l b l o o t d n a , n g i s e d l o o t , s e i d u t s y r o t c e j a r t l o o t d n a , r e n n a m
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s t n e m g d e l w o n k c A
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S quipmen tInspection andResearch Institute ,Bejiing ,China ,forhisconstan tattentionand .t
n e m e g a r u o c n e
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[ M.A .Haque ,H.D .Espinsoa ,and H.J .Lee ,MEMS forIn Situ Testing—Handling ,Actuation , .
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