Page 61 - Plumber- TT - 1st Year - Tamil

G°V Õû[«Óm CVk§m Tt± ®[dÏRp Utßm ¥¬p ©hLs
TVuTÓjÕm Y¯Øû\Ls (Description of simple bench drilling machine, method of
using drills)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• TpúYß Õû[«Óm CVk§WeLû[l Tt± ϱl©ÓRp
• ùTuf Utßm ©pXo YûL Õû[«Óm CVk§WeL°u TôLeLû[l Tt± ϱl©ÓRp
• ùTuf Utßm ©pXo YûL Õû[«Óm CVk§WeL°u Y¥YûUl×Lû[l Tt±
ϱl©ÓRp
• ¥¬p úaôpPo NôR]eLû[l Tt± ϱl©ÓRp
• ¥¬p NdL°u Y¥YûUlûTl Tt± ϱl©ÓRp
• ¥¬©h ùNVpTÓYRûXl Tt± ϱl©ÓRp
• RUo ùNVpTÓm ®Rm Tt±Ùm AYt±u TôLeLû[l Tt±Ùm ϱl©ÓRp.

h¬pXõe CVk§WeL°u ùS±Øû\Ls TPj§p, TpúYß TôLeLs ϱdLlThP ªL
Utßm YûLLs (The principle types of drilling ªL G°ûUVô] YûL ù^u³¥q ¥¬pXõe
machines are) ùUμu LôhPlThÓs[Õ. CÕ CXÏWLl
• ùNu³¥q ùTgf ¥¬pXõe ùUμu T¦LÞdÏl TVuTÓjRlTÓ¡\Õ.
(sensitive bench drilling machine) CkR ùUμ²p 12.5 ªÁ YûW ®hPm EûPV
• ©pXo (pillar) ¥¬pXõe ùUμu Õû[Lû[ ¥¬pXõe ùNnVXôm. ¥¬pLs
B]Õ ¥¬p Nd¡p (chuckþp) ùTôÚjRl
• çi ¥¬pXõe ùUμu (the column drilling
machine) TÓ¡\Õ. ApXÕ ùUμu v©i¥Xõu
NônYô] Õû[«p úSW¥VôLl
• úW¥Vp Bom ¥¬pXõe ùUμu (úW¥Vp ùTôÚjRlTÓ¡\Õ.
¥¬p- e ùUμu) The radial arm drilling machine NôRôWQUôL ùNeúLôQUôL Õû[«P
(radial drilling machine)
T¦lTWl× ¡ûPUhPUôL (horizontal)
(çi Utßm úW¥Vp YûL ¥¬pXõe ûYdLlTÓ¡\Õ. Õû[Ls JÚ úLôQj§p
ùUμuLû[ ClúTôÕ ¿eLs TVuTÓjRl EÚYôdLlTP úYiÓm Gu\ôp úUû_ûV
úTôY§pûX. G]úY ù^u³¥q Utßm §Úl©d ùLôs[Xôm. Fig 1-p ¥pXõ¥e
©pXo (pillar) ¥¬pXõe ùUμuLs UhÓm AúWgùUih (Tilting arrangement) LôhPl
CeÏ ®Y¬dLlThÓs[]). TP®pûX. (Fig 1)
ùYqúYß v©i¥p úYLeLs stepped
ù^u³¥q ùTgf ¥¬pXõe ùUμu
(The sensitive bench drilling machine) (Fig 1) pulleysþp ùTph ¨ûXûV Uôt± AûUjÕl
ùT\lTÓ¡u\] (Fig 2)

©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.3.13 41