Page 320 - Content.pmd

£_õ & Gm (CG & M) T«t£ 1.5.74 - 76 dLô] ùRôPo× LÚj§Vp
@©hPo (Fitter) þ Õû[«ÓRp (Drilling)

¡ûWi¥e ÅÛdLô] ¨oQ«dLlThP ϱÂÓLs (Standard marking system
for grinding wheels)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• NôûQ NdLWeL°p Es[ ϱÂÓL°u ùTôÚû[d á\p
• NôûQ NdLWjûR ùTVo ®YWdϱlÀÓ ùNnRp (specify).

A±ØLm (Itroduction) AûUdLlThP AûPVô[eLs ¸rdLiP
Y¬ûNd¡WUj§p AûUk§ÚdÏm. (Fig 1)
JÚ NôûQ NdLWj§u GpXô
ÏQô§NVeLû[Ùm AkR NôûQ NdLWd ERôWQm þ ϱÂÓ Øû\ Example (Marking
ϱlÀÓLs êXm ùR¬kÕd ùLôs[Xôm. system) 51 - A 46
CdϱÂhÓØû\«p, HÝ®RUô] JÚeúL NôûQNdLWeL°u ®YWdϱlÀÓØû\

¸rdLiPYôß NôûQ NdLWeLs ùTVod
ϱlÀÓ ùNnVlTÓ¡u\].
¨oQ«dLlThP NdLWd ®YWdϱÂÓLs
(Specification of grinding wheels)
NdLWj§u ùY° ®hP A[Ü
NdLWj§u Õû[ A[Ü

NdLWj§u L]m

NdLWj§u YûL (Y¥Ym)
32 A 46 H8V
250X20X32-
úSWô] NdLWm (Straight wheel)

Table 1 shows the relative position measuring of the marking system
Table 1
(CPm) (CPm) (CPm) (CPm) (CPm) (CPm) (CPm)
Position Position Position Position Position Position Position
0 1 2 3 4 5 6

Manufac- Type of Grain Grade Structure Type of Manufac-
turer’s abrasive size (Optional) bond turer’s
symbol grit size own
mark (Optional)
for abrasive
(Optional)
(RVô¬l (AlW£q (ÕLs (RWm) (LhP (©ûQl× (RVô¬l
Tô[¬u (¡¬h A[Ü) ûUl×) YûL) Tô[¬u
£Wônl× ûNv (®ÚlTj§ ùNôkR
ϱjR YûL) túLtT) ϱÂÓ)
AûPVô[m
(®ÚlTj§t (®ÚlTj§t
úLtT) úLtT)
51 A 46 H 5 V 8

299