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Fig 1
BACK OF CHUCK
USING A SPRING THREAD CLENER
NdÏLû[ UôhÓRp Utßm LZtßRp (Mounting and dismounting of chucks)
úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• v©i¥p noseþp CÚkÕ chucksþI UôhÓRp (mounting) Utßm LZtßRp (dismounting).
T¦l ùTôÚhL°p úXj operations Rô]ô CÕ GuTûR Eߧl TÓj§d
úUtùLôsYRtÏ, JúW JÚ YûL T¦l ùLôsÞeLs.
ùTôÚs ©¥dÏm ETLWQeLû[ UhÓm
v©i¥p UôhÓm YûL«p ûYj§ÚlTÕ v©i¥p noses úUp chuckþI
GlúTôÕm úTôÕ Uô]RôL CÚdLôÕ. AûUlTRtÏ (mount TiÔYRtÏ)
G]úY, HtL]úY v©i¥Xõp UôhPl powerþIl TVuTÓjRô¾oLs
Th¥ÚdÏm T¦lùTôÚû[ ©¥dÏm
Chuck Utßm v©i¥Xõu GpXôl
NôR]jûR (work-holding device)þId
ùTôÚkÕm TôLeLû[Ùm (mating parts) SuÏ
LZtßYÕm, ûL«p CÚdÏm T¦dÏj
ÑjRm ùNnÙm, CpXô®¥p, CkRl TôLeLs
úRûYVô] (work holding device)þI UôhÓYÕm
(mount ùNnYÕm) Aj§VôY£Vj úUp Es[ çÑLs ¸rdLiP ®û[®Lû[
HtTÓjRXôm.
úRûYVô¡\Õ.
Chuck-I out of true BL run BL ûYdÏm.
ùYqúYß spindle noses Utßm AYt±u
ùNVpTôÓ Tt± G°RôLl ׬kÕ ùLôs[, v©i¥p ApXÕ chuckþu úUp Es[ taper
ùYqúYß T¦l ùTôÚs ©¥dÏm ApXÕ threadsþI(UûWLû[f) úNRUûPVf
ETLWQeLû[ (work-holding devices) UôhÓYÕ ùNnÙm (Fig.1)
(mounting) TPm YûWkÕ LôhPlThÓs[Õ.
JÚ NdûL (chuckþI/NdþI) ùahvPôd
v©i¥Xõp UôhÓm úTôÕ (when mounting)
Nd (chuck) ApXÕ v©i¥ÛdÏ HtTÓm
®P Yônl×s[ úNRjûRj RÓdL (to prevent
damage) LY]UôL úUtùLôs[Üm.
úNRm (damage) B]Õ úXj§u (latheþu/
LûPNp CVk§Wj§u) ÕpXõVjûRd
Ïû\jÕ ®PdáÓm. (reduce the accuracy) ¸úZ
RWlThÓs[ ®[dL ϱl×Ls
Ød¡VUô]ûY Utßm LûPl©¥dL CkR Uô§¬Vô] úUúX á±V úNRjûRj
úYi¥VûY. R®odL (to prevent) ¸rdLiP SPY¥dûLûV
AûUlTRtÏ Øu]o (Before mounting) úUtùLôs[Üm.
JÚ chuckþI AûUdÏm ØVt£«p Slide way-dÏf úNRm HtTPôÕ RÓdL,
DÓTÓYRtÏ Øu×, úXRj§tÏm (lathe/ CúXNô] chuck - Lû[ AûUdÏm úTôÕ,
LûPNp CVk§Wj§tÏm) ûL«XõÚdÏm úXj bedþu úUp JÚ UWlTXûLûV (wooden
T¦l ùTôÚÞdÏm ùTôÚjRUô] chuck board) ûYdLÜm.
398 £_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.7.99
