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®°m×Ls Utßm CûQl×dL°p
ùTôÚhLû[ NÕWm ùNnV CûY
TVuTÓ¡u\].
ùYl £NpLs/Tgf£e £Npv (Web chisels/
Punching chisels) (Fig 6)
CkR YûL £NpLs Ne¡Xõj Õû[L°hP

©\Ï EúXôLjûRl ÕiPôdL CkR YûL
£NpLs TVuTÓ¡u\].
(chisels) ¸rLiPûYLs £NXõu
®YWdϱl×Ls.
• ¿[m (length)
PVUih Tô«ih £NpLs (Diamond point
• ùYhÓm ®°m©u ALXm (width of the cutting
chisels) (Fig 5)
edge)
• YûL (type)

• £NpL°u ¿[m (length) 100 ª.ÁhP¬p
CÚkÕ 200 ª.Á., ÅReL°p (range)
¡ûPd¡u\].

£NpL°u (E°«u) úLôQeLs (Angles of Chisels)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• ùYqúYß EúXôLeLÞdÏ/ùTôÚhLÞdÏl ùTôÚjRUô] £NpL°u Point angleþLû[
(Øû]d úLôQeLû[j) úRokùRÓjRp
• úWd Utßm ¡ÇVWuv (Rake and Clearance) úLôQeL°u (Angles), ®û[ûY/RôdLjûRd
A±Rp.
• £NXõàûPV TWôU¬l× Utßm TôÕLôl©û]l Tt± ÑÚdLUôLd áßRp.

Øû]d úLôQeLs Utßm ùTôÚhLs cutting angle) CÚdL úYiÓm. ªÚÕYô]
(Point angles and materials) EúXôLeLÞdÏ á¬V úLôQeLÞm Utßm
ùNÕdLlTP úYi¥V EúXôLjûRl L¥]Uô] ùTôÚhLÞdÏ ALXUô]
ùTôßjÕ ARtúLt\Yôß £NXõu N¬Vô] úLôQeLÞm RWlTÓ¡\Õ.
Øû]d úLôQm/ùYhÓd úLôQm (point -

£_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.2.21 73