Page 23 - Steel Tech India eMagazine Volume April 2020

81. Ŗ 01 Ŗ #RTKN

VJG őGFIGŒ Ō K G NQECNN[ CV VJG UJQR ƀQQT NGXGN CPF VJWU
JGNRU KP CXQKFKPI VJG őNCUV OKNGŒ NCVGPE[ RTQDNGO 6JKU
YQWNF DG RCTVKEWNCTN[ PGEGUUCT[ HQT FGXKEGU VJCV PGGF
VQ OCMG TCRKF FGEKUKQPU 5QOG QH VJG FCVC RTQEGUUKPI
VCMGU RNCEG NQECNN[ VJWU TGFWEKPI VJG NQCF QP PGVYQTMU
CPF VTCPUOKVVKPI QPN[ TGNGXCPV KPHQTOCVKQP DCEM VQ VJG
ENQWF UGTXGT 6JKU KU VJG RGTHGEV YC[ OCPWHCEVWTGTU ECP
EQODKPG NQECN CPF RGTHQTOCPV FCVC YKVJ VJG DGPGſVU
HTQO ENQWF NGXGTCIKPI KPHTCUVTWEVWTG CU C UGTXKEG
+CC5 FCVC CPCN[VKEU CPF QH EQWTUG EGPVTCNK\GF EQPVTQN
+V YQWNF DG YQTVJYJKNG OGPVKQPKPI VJCV )CTVPGT JCU
PCOGF 'FIG %QORWVKPI CU QPG QH VJG VQR VGEJPQNQI[
VTGPFU KP
$NoEMEJCin in MCnWfCEVWTing
$NQEMEJCKP KU CP KOOWVCDNG CPF ET[RVQITCRJKECNN[
(ig. 3 PoYFGT $GF (WUion RToEGUU UGEWTG CTEJKXG QH TGEQTFU UVQTGF KP C FKUVTKDWVGF
Image source: www.insidemetaladditivemanufacturing.com
NGFIGT YJKEJ WUGU UOCTV EQPVTCEVU DWKNV QP DNQEMEJCKP
DGKPI EQPUKFGTGF CU QPG QH VJG GUUGPVKCN KPITGFKGPVU RNCVHQTOU NKMG 'VJGTGWO
KP VJKU OQXGOGPV #U RCTV QH VJG VTCPUHQTOCVKQP C NQV # EJCKP QH EWUVQF[ UGV WR D[ VJG DNQEMEJCKP PGVYQTM
QH PQP VTCFKVKQPCN OCPWHCEVWTKPI OGVJQFU CTG DGKPI UJQWNF UJQY VJG RCVJYC[ HTQO OGVCN VJCV KU OGNVGF CV
TG FGXGNQRGF #FFKVKXG /CPWHCEVWTKPI YJKEJ WUGU VJG UQWTEG VQ VJG GPF WUGT 9JKNG GXGT[ UVGR KU FQEWOGPVGF
CTV QH & RTKPVKPI KU C MG[ VGEJPQNQI[ KP VJG HCDTKECVKQP KP C FKUVTKDWVGF NGFIGT Ō HTQO JGCV VTGCVOGPVU UOGNVKPI
QH EWUVQOK\GF RTQFWEVU /CVGTKCN UEKGPEG KU VJG MG[ VQ ITKPFKPI EWVVKPI VQ GXGT[ VTWEM VJCV JCWNU OCVGTKCN Ō VJG
WPFGTUVCPFKPI VJG FGXGNQROGPVU KP VJKU CTGC #NVJQWIJ OQFGN OCKPVCKPU C VTCPURCTGPV UKPING UQWTEG QH VTWVJ
RNCUVKE RQN[OGT DCUGF EQPUVKVWGPVU JCXG DGGP KP WUG KP HQT 4GURQPUKDNG 5QWTEKPI QH OKPGTCNU 8GT[ TGEGPVN[
VJKU UWDLGEV /GVCN #FFKVKXG /CPWHCEVWTKPI /#/ KU CP 6CVC 5VGGN CNQPI YKVJ )NGPEQTG #PVQHCICUVC /KPGTCNU
CEVKXG ſGNF TKIJV PQY -NQEMPGT %Q CPF &G $GGTU JCU RCTVPGTGF YKVJ
6JG MG[ KPITGFKGPV QH OGVCN & RTKPVKPI KU OGVCN RQYFGT VJG 9QTNF 'EQPQOKE (QTWO 9'( VQ CEEGNGTCVG VJG
/CP[ OGVCNNKE EQORQPGPVU JCXG DGGP EQPUVTWEVGF TGURQPUKDNG UQWTEKPI QH OKPGTCNU 6JG ITQWR CKOU VQ DWKNF
WUKPI RQYFGTU HTQO CNWOKPWO UVCKPNGUU UVGGN VKVCPKWO C DNQEMEJCKP RNCVHQTO VQ VTCEM CPF VTCEG VJG OKPGTCNU
GVE *QYGXGT FWG VQ VJG PCVWTG CPF EQORNGZKV[ QH VJG TGRQTV ECTDQP GOKUUKQPU CPF DWKNF VTCPURCTGPE[
OGVCN RQYFGT OGVJQFU VQ HWUG KV CNUQ XCTKGU Ō 2QYFGT AWgOGnVGF RGCNiV[ in MCnWfCEVWTing
$GF (WUKQP RTQEGUU VJCV WUGU JKIJ RQYGTGF NCUGTU VQ AuIOGPVGF 4GCNKV[ #4 KU ITCFWCNN[ TGRNCEKPI VJG
HCDTKECVG OGVCNU VQ RCTVU Ō DGKPI VJG OQUV EQOOQP V[RG EQPVTQN RCPGNU NQECVGF QP VJG EQORWVGT PWOGTKECN
QH & OGVCN RTKPVKPI EQPVTQNNGF OCEJKPGU %0% CU VJG PGY OQFG QH */+
EFgG CoORWVing
*WOCP /CEJKPG +PVGTCEVKQP +V RTQXKFGU C OGVJQF
9JKNG VTCFKVKQPCN ENQWF EQORWVKPI OGVJQFUJCXG HQT PQV QPN[ KPVGTCEVKPI YKVJ OCEJKPGU DWV CNUQ
DGGP OCLQT GPCDNGTU QH KPFWUVTKCN VTCPUHQTOCVKQP XKTVWCNN[ OCPCIG EQPVTQN EJCTVU EJGEM UVCVWUGU MG[
'FIG %QORWVKPI KU TCRKFN[ DGEQOKPI C MG[ RCTV KP RTQITCOU RTQXKFG CPF TGEGKXG KPUVCPV HGGFDCEM
QH VJG +PFWUVTKCN +PVGTPGV QH 6JKPIU ++Q6 GSWCVKQP HTQO OCEJKPGU HTQO CP[YJGTG XKC UOCTVRJQPGU 6JKU
VQ CEEGNGTCVG FKIKVCN VTCPUHQTOCVKQP 9JKNG ENQWF GNKOKPCVGU VJG VKOG GHHQTV CPF PGGF VQ DG RJ[UKECNN[
EQORWVKPI PGVYQTMU EQNNGEV RTQEGUU CPF CPCN[\G FCVC
HTQO XCTKQWU EQORWVKPI UQWTEGU KV CNUQ KPXQNXGU IKIC NQECVGF KP C HCEVQT[ UJQR ƀQQT 6JG RTKOCT[ QDLGEVKXG
D[VGU QH FCVC KP OQVKQP CV CP[ IKXGP OQOGPV 6JG FGNC[ QH CP[ #4 CRRNKECVKQP KU VQ RTQXKFG CP KPVWKVKXG CPF
KP VJG FCVC VTCPUHGT VQ C TGOQVG ENQWF FCVCEGPVTG YKVJKP KOOGTUKXG GZRGTKGPEG VJCV ECP CWIOGPV CPF CORNKH[ VJG
C NKOKVGF DCPFYKFVJ FCVC RTQEGUUKPI CPF VJG FKUVCPEG YC[ HCEVQT[ RGTUQPPGN KU CDNG VQ XKUWCNK\G CPF KPVGTCEV
VJG FCVC JCU VQ VTCXGN RTQFWEGUNQPI CPF WPRTGFKEVCDNG YKVJ FCVC #NUQ KV RTQXKFGU C OWNVK FKOGPUKQPCN &
NCVGPE[ (QT UGPUKVKXG OCPWHCEVWTKPI RTQEGUUGU GXGP C RTQEGUU XKGY CU EQORCTGF VQ VJG & KPVGTHCEGU HTQO
UOCNN FGITGG QH NCVGPE[ ECP JCXG UKIPKſECPV GHHGEVU QP VTCFKVKQPCN */+ U[UVGOU $TGCMVJTQWIJU KP CHHQTFCDKNKV[
GHſEKGPE[ CPF SWCNKV[ CXCKNCDKNKV[ CPF CRRNKECDKNKV[ CTG CEEGNGTCVKPI VJG
+PFWUVTKCN 'FIG %QORWVKPI KU C OGVJQF VQ CFQRV CEEGRVCPEG QH #4 KP KPFWUVTKCN URCEGU /CLQT +%6
FKIKVK\CVKQP FKTGEVN[ KPVQ OCPWHCEVWTKPI CPF CWVQOCVKQP RNC[GTU UWEJ CU /KETQUQHV )QQING QT 3WCNEQOO CPF
U[UVGOU 'FIG EQORWVKPI RGTHQTOU FCVC EQORWVCVKQP CV KPFWUVTKCN RNC[GTU NKMG 4QEMYGNN #WVQOCVKQP QT &*.

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