Page 127 - Content.pmd

ùYo²Vo A[Ü 1/40" × 1/25 = 0.001" BÏm.
úLôXõu JÚ
§m×°u JÚ ©¬ûY ÑZtßYRôp,
©¬®u U§l×
v©i¥p SLÚUô]ôp, ¿[YôhPj§p, AÕ
= 0.05 - 0.049 = 0.001 SLokR EiûUVô] çWm 0.001" BÏm.
Áf£t\[Ü = 0.001" A[Ü GÓlTRtLô] ERôWQm (Example
of reading) (Fig 6)
A[Ü GÓlTRtLô] ERôWQm (Example
of reading) (Fig 4)

©WRô] ©¬ÜLs 3 × 0.1 = 0.300"
ùYo²Vo vúLXõu ËúWô úLôPô]Õ
©WRô] A[ÜúLôXõp JÚ AeÏX A[®tÏ ÕûQ ©¬ÜLs 2 × 0.025 = 0.050"
©u CÚd¡u\Õ. G]úY CRu U§lTô]Õ §m©°u ©¬ÜLs 9 × 0.001 = 0.009"
= 1.000
GÓdLlThP A[Ü = 0.359"
4 ùT¬V ©¬ÜL°u U§l×
(4x0.1") = 0.400" úTWp B]Õ 10 NU ©¬ÜL[ôL ©¬dLlThÓ
JÚ ÕûQ ©¬®u U§l× ©¬ÜLs TiQlTh¥ÚdÏm. AYt±p
(1x0.05) = 0.05" JqùYôÚ ©¬Üm, úUÛm 4 £ß ©¬ÜL[ôL
ùYo²Vo A[ÜúLôXõp Eh©¬ÜL[ôLl ©¬dLlTh¥ÚdÏm. vXõq
úSo Jußm 9þYÕ ©¬®u ©¬ÜL°u ¿[m B]Õ 1" 40 ØÝûUVô]
U§l× (9 × 0.001) = 0.009" ÑtßL°p §m©s TV¦dÏm çWm
CÕYôÏm.
= 1.459"
úTWXõp ©WRô] ©¬ÜLs = 1/10
AeÏX A[ÅÓLû[ ùLôiP ûUdúWô AeÏXUô]Õ ApXÕ 0.100" CÕ SôuÏ
ÁhPo (Micrometer with graduation in inches)
ØÝûUVô] ÑZt£«p §m©s SLÚm çWm
AeÏX A[ÜL°p A[ÅÓLû[ BÏm. CkR §m©s B]Õ ARu
ùLôiÓs[ ûUdúWôÁhP¬p, BRôW Ñtßl TWl©p 25 NUUô] ©¬ÜLû[d
úLôPô]Õ v©i¥Xõu ÁÕ, JÚ AeÏX ùLôi¥ÚdÏm. §m×°u JqùYôÚ
¿[j§tÏ Ï±dLlThÓs[Õ. CkR JÚ AeÏX ©¬ÜLÞm 1/25 of 1/40 ApXÕ 0.001"-dÏf
¿[Uô]Õ NUUô] 10 ©¬ÜL[ôL ©¬dLlThÓ NUUô]Õ.
AûY JqùYôußm NUUô] 4 ÕûQ
úTWp Eh©¬Ü 1/40 ApXÕ 0.025
©¬ÜL[ôL ©¬dLlThÓs[Õ. (Fig 5)
AeÏXUô]Õ JÚ ØÝf Ñt±p §m©s
SLÚm çWm BÏm. v©i¥p vÏì B]Õ
40 TPI-Id ùLôi¥ÚdÏm.
§\]ônÜ úNôRû] (Assignment)

1 Figs 7 & 8 B¡VYt±p Lôi©dLlThÓs[
A[ÜLû[ ϱl©PÜm.
ÕûQ ©¬ÜLs JqùYôu±u U§l× 1/40"
ApXÕ 0.025" §m×°u Ñtßl×\j§p
25 NU©¬ÜL[ôL ϱdLlThÓs[Õ. G]úY
Áf£t\[Ü B]Õ,

£_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.2.35
106