Page 113 - Plumber- TT - 1st Year - Tamil

Fig 2 • Lôtß ÅfÑ LôWQUôL ®[dÏ ¨uß
®hPôp (A) Rôú] AûQkÕ ®hPôp
©W`o YôpûY EPú] §\dL úYiÓm.
CR]ôp UiùQiùQn B®
ùLôsLX²XõÚkÕ Lôt±p ùNpYÕ
R®odLlTÓm.
• ¾l©¥dÏm ùTôÚhLs ÁÕ, ¾l©Zm×
ùNpÛm T¥l TVuTÓjRdáPôÕ.

• úYûX Ø¥kRÜPu, ©W`o ¬Ä@l YôpÜ
êXm ¾l©ZmûT AûQdL úYiÓm.
úaih @úTôow (úTôohP©s) (ûL
ÕÚj§) (CPm ùTVWd á¥VÕ) (Hand
©uTt\lTP úYi¥V TôÕLôl×
Forge (portable)
Øuù]fN¬dûLLs (Safety precautions to be
followed) • ûTl ©úW£e, LfNô LôÃVm (©dùXh)
EÚYôdÏRp ©[mTo NôpPûW
• ùLôsLX²p Tml©e ùNnYRu
ùYlTlTÓjÕRp B¡V úYûXL°p
LôWQUôL, ù_h¥p (Ànf£«p) §WY
ùYlTlTÓjÕm ùNVÛdLôL úaih
UiùQiùQn Ànf£ ùY°
@úTôow ùTôÕYôLl
YÚUô]ôp AÝjR ®Ó®l× YôpûY
TVuTÓjRlTÓ¡\Õ. (Fig 3)
EPú] CVdL úYiÓm.
• CÕ CPm ùTVWd á¥VRôÏm.
vùTphP¬u LXl×LÞm EÚÏ ¨ûXÙm (Composition of spelter and melting points)

Gi vùTphP¬u ùTôÕYô] ùNm× ´ed £pYo EÚϨûX ETúVôLm
YûL EúXôLm % % %

1 ùNm×+ ´ed ùTôÕYô] 60 40 CpûX 850°C ùNl×jRLÓ
A¥lTûP ûY Utßm CÚm×
vùTphPo
NôWô EúXôLeLs
ÁÕ L¥] TtÈÓ
(aôoÓ ©úW£e)
ùNnV
2 ------- do ------- CÚm× 80 20 CpûX 600°C L]jR ©jRû[j
NôokR RLÓ
EúXôLm
3 ------- do ------- ©jRû[ 30 70 CpûX 400°C ùUpXõV ©jRû[j
RLÓ
4 ------- do ------- ùTôu 10 10 80% 350°C ùTôu BTWQe-
Lû[ ©úW£e
ùNnV TVuTÓ¡\Õ.
Nô@lh NôpP¬e, ©úW£e Utßm £pYo ùYp¥e úTôuß úS¬ûPVôL ùYlTl
©úW£e (Soft soldering, brazing and silver brazing) TÓjRlTÓY§pûX. ©úW£e (A) NôpP¬e¡p
CWiÓ ùSÚe¡V TWl×LÞd¡ûPúV
NôpP¬e Utßm ©úW£e (Soldering and
brazing) ¨Wl×d LXl× EúXôLm Öi ×ûZ
SPY¥dûL êXm Tôn¡\Õ. (Fig 4)
ùYp¥e GuT§XõÚkÕ NôpP¬e Utßm
©úW£e B¡VûY úYßThPûYVôÏm.
CûYL°p CûQdLlTÓm BRôW EúXôLm

©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.4.18-20 93