इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 13564 (1993): Recommendations for Selection of Diamond and Cubic Boron Nitride Grinding Wheels [PGD 9: Abrasives] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 13564:1993 RECOMMENDATIONS FOR SELECTION OF DIAMOND AND CUBIC BORON NITRIDE GRINDING WHEELS UDC 621’922’025 : 621’921’34 0 BIS 1993 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAF’AR MARG NEW DELHI 110002 April 1993 Price Group 3 evisarbA lanoitceS ,eettimmoC EP 09 DROWEROF sihT naidnI dradnatS was adopted yb the uaeruB of naidnI ,sdradnatS after the draft dezilanif yb the evisarbA lanoitceS eettimmoC had neeb devorppa yb the noitcudorP gnireenignE noisiviD .licnuoC tI si ylemertxe tluciffid ot ekam etinifed snoitadnemmocer for the noitceles of cibuC/dnomaid noroB edirtiN sleehw for tnereffid snoitacilppa ni weiv of the rebmun of sretemarap devlovni hcus as ,tirg ,dnob dohtem of ,noitarepo hsinif dna ssendrah of lairetam ot eb dnuorg etc. nI siht dradnats stpmetta evah neeb edam ot edivorp lareneg noitamrofni no the rojam noitaredisnoc that dluohs ecneulfni noitceles of gnidnirg leehw for a nevig .noitacilppa ehT noitadnemmocer ni respect of a ralucitrap noitacilppa yllareneg seirav morf rerutcafunam ot ,rerutcafunam ecneh the ytitnedi of sgnikram neewteb two sdnarb of a gnidnirg leehw yam ton eetnaraug lacitnedi .ecnamrofrep sihT dradnats si desab nopu the data deilppus yb gnidael srerutcafunam/sresu of the .tcudorp elihW gniraperp siht dradnats ecnatsissa has neeb nward morf 0SI 9791-4016 evisarbA‘ stcudorp dnomaid or cibuc norob edirtin gnidnirg sleehw dna saws - lareneG yevrus noitangised dna -itlum laugnil ’erutalcnemon deussi yb the lanoitanretnI sdradnatS noitazinagrO ( 0SI ). IS 13564 : 1993 ’ Indian Standard RECOMMENDATIONS FOR SELECTION OF DIAMOND AND CUBIC BORON NITRIDE GRINDING WHEELS 1 SCOPE 4 NOITCELES FO NBC/DNOMAID GNIDNIRG SLEEHW sihT dradnats srevoc lareneg snoitadnemmocer I I .,, .I dna_ senilediug for the noitceles of dnomaid dna 4.1 ehT gniwollof factors llahs eb deredisnoc cibuc norob edirtin ( NBC ) gnidnirg .sleehw elihw gnikam noitceles of NBC/dnomaid gnidnirg .sleehw 2 FIELD OF APPLICATION v*,, >: t \< 4.1.1 Grit or Grain Size 2.1 Diamond Abrasives dnomaiD sevisarba evah hgih ssendrah dna ehT tirg sezis are as per. SI 10960 ( Part 1, ) : 1984 ecnatsiser ot wear dna desu ni the evisarba -nihcam for orcam tirg sezis ( htob worran as llew as ediw gni of hard elttirb dna short gnippihc slairetam egnar of grades) dna SI 10960 (Part 2) : 1984 for ekil ,ssalg ,scimarec ,ztrauq rotcudnoc-imes deveis sezis of .sevisarba ehT ’Ccnarelot for norcim slairetam wear tnatsiser yarps no or dlew no stirg are rellams naht deveis sezis eht.htiw, emas latem or ,syolla ssalg erbif decrofnier scitsalp dna egnar of niarg ezis ,noitubirtsid there yb gnitluser others. ehT seitreporp of gnidnirg sloot nac eb ni rewol stock lavomer rates dna renif ecafrus > deifidom ot ekam meht mrofrep ,hguor hsinif dna .hsinif enif .gnidnirg ehT dnomaid sloot evah wol wear neve at hgih latem lavomer rate ybereht gniveihca nehW a leehw si ni a proper gnidnirg noitidnoc the the deriuqer shape, lanoisnemid secnarelot neve tirg tniop llahs tcejorp evoba 5/l ot 3/l of the I for the ,lairetam hcihw are tluciffid ot .enihcam niarg retemaid evoba the dnob .ecafrus latemehT lavomer si ton elbissop tuohtiw siht ,noitcejorp 2.1.1 tnalooC tnacirbul dluohs eb desu reverehw ,ecneh the tirg elcitrap ezis si the gnitcirtser factor elbissop ni order ot eveihca hgih lairetam lavomer for deefni rate ni gnitacorpicer gnidnirg dna for rate delpuoc htiw wol wear of dnomaid .leehw cross feed ni creep feed .gnidnirg tI sedulcnoc ot the :gniwollof 2.2 Cubic Boron Nitride (CBN ) sevisarbA a) hgiH deefni rates htiw enit tirg sleehw llahs cibuC norob edirtin sevisarba are decudorp yb eb ;dediova hgih erusserp hgih erutarepmet .sisehtnys tI si eno of the hardest .evisarba tI si desu ni the b) Coarser tirg sleehw llahs eb desu for hguor gnidnirg of edibrac gnimrof ,lairetam that si leets ;gnidnirg ni ,ralucitrap hard ot enihcam sleets htiw egral 4 evissecxE deefni rates esuac dipar esaercni seitreporp of yolla dna of ssendrah 55 CRH dna ni tirg ,noitcejorp gninekaew of dnob ,evoba that si hgih speed ,sleets muimorhc ,sleets forces dna tirg kaerb ;tuo dna NBC gnidnirg sleehw evah rewol wear, gnikam ti reisae ot eveihca the deriuqer shape dna -nemid 4 llA other stnemele gnieb ,emas the coarser lanois .seicarucca tirg leehw yllareneg evah the regnol efil tuohtiw lanoitidda loot cost ecnis tirg ezis 2.2.1 A ralucitrap egatnavda ni the gnidnirg of has on effect no the ecirp of a .leehw enihcam-ot-drah loot si that NBC gnidnirg sleehw esuac ssel ecnabrutsid of rieht ecafrus .ytirgetni 4.1.2 Bond 3 SECNEREFER ehT noitneter force of the dnob effects the ehT gniwollof naidnI sdradnatS are yrassecen gnidnirg scitsiretcarahc of the .leehw tI si stcnujda ot siht :dradnats laitnesse for the dnomaid or NBC selcitrap ot eb dedebme ni the dnob hcus that yeht are deniater SI No. Title rednu the forces dna serutarepmet gnirrucco ni the 10960 niarG sezis for dnomaid or cibuc gnidnirg ,noitarepo llit mumitpo seulav are .deniatbo 4891:)1traP( norob edirtin : Part 1 -ngiseD ehT dnob osla edivorp space for pihc .lavomer noita dna niarg ezis noitubirtsid 10960 niarG sezis for dnomaid or cibuc ehT suoirav sepyt of sdnob desu for gnildnah of ( Part 2) : 1984 norob edirtin : Part 2 Method of suoirav gnidnirg noitacilppa :era test of orcam stirg )a citehtnyS niser ,dnob 10986 : 19841 lareneG ,yevrus noitangised dna b) lateM ,dnob 0SI 6104 : 1972 erutalcnemon of dnomaid or 4 detaocortcelE ,dnob dna cibuc norob etirtin gnidnirg sleehw dna saws 4 cimareC .dnob 1 IS 13564: 1993 4.1.2.1 Bond hardness rating .for synthetic resin and 4.1.3 Bond Wear and Self Sharpening E#ect ceramic bonds ehT evisarba selcitrap do ton edurtorp morf the tnereffiD dnob ssendrah sgnitar are elbaliava dnob after erutcafunam except detalportcele .dnob nihtiw the laudividni dnob sepyt ni order ot ehT dnob has ot eb nekorb kcab yb na lanoitidda edivorp resolc noitatpada ot the cificeps gnidnirg process ni order ot create a noisurtorp neewteb .snoitacilppa the tirg stniop dna the dnob .ecafrus ehT ssendrah gnitar setacidni gnidnirg ruoivaheb or evitceffe ssendrah of the gnidnirg .leehw ecneH a) Grinding layer in new condition ti si suht a erusaem of the gnittuc forces dna erutarepmet gnirrucco gnirud .gnidnirg lareneG retfA gnieb dnuorg ,revo the evisarba serutaef of tnerifid dnob ssendrah sgnitar are selcitrap edurtorp evoba the dnob nevig :woleb ecafrus yb approx 20 ot 30 tnecrep of rieht .retemaid sihT noisurtorp selbane meht ot etartenep ni ot the lairetam ot eb dnuorg Sf Soft Bond Hard Bond dna ot evomer .lairetam detalportcelE No. sloot are derutcafunam ni hcus a yaw that - - the dnob detisoped no the leehw core llits sevael 30 ot 50 tnecrep of the tirg selcitrap .1 eerF gnittuc noitca Less evisserga gnidnirg dna ecneh the leehw si yletaidemmi ydaer noitca for .gnidnirg 2. tsaF gnidnirg wolS gnidnirg b) Bond wear in operation self-sharpening 3. looC gnidnirg noitca Hotter gnidnirg noitca Efict 4. Lower tcatnoc retaerG tcatnoc erusserp fI the noitacificeps si ylthgir nesohc ( tirg erusserp ,ezis dnob dna noitartnecnoc ) dna the 5. retaerG wear Lesser wear gnitarepo snoitidnoc are llew adopted the evisarba selcitrap dna dnob wear ,ylmrofinu 6. Shorter loot efil regnoL loot efil so that the leehw sniamer ni tnatsnoc ‘7. Softer dnob si Harder dnob si thgir gnidnirg .ssenidaer sihT process si nwonk retteb :rof :rof as gnineprahs-fles effect, hcihw sebircsed the noitidnoc ni hcihw the leehw yltnatsnoc a) ediW evisarba Narrow evisarba setareneger flesti dna sesaeler selcitrap sgnitaoc sgnitaoc hcihw evah emaceb .llud )b eniF tirg sezis Coarse tirg sezis c) Lower -artnecnoc rehgiH snoitartnecnoc cl Grinding layer with defective self- snoit sharpening erffcct d) Harder slairetam Softer slairetam evitisnes nJ tsartnoc ot the leehw htiw the free gnittuc noitca ni sti fles gnineprahs ,enoz e) Heat dnI: edge ereveS eliforp ytiIibats tneiciffusni dnob wear or evissecxe tirg evitisnes work stnemeriuqer tuokaerb stluser ni a llud evisarba ,gnitaoc eceip the selcitrap edurtorp yltneiciffusni from f) yrD gnidnirg teW gnidnirg the dnob or do ton edurtorp morf ti at .lla qihT sesuac drag, chatter, lamreht dna lacinahcem ,daolrevo htiw tneuqesnoc 4.1.2.2 Bond type selection egamad ot the .leehw dnoB epyt noitceles llahs eb as nevig :woleb 4 Exception ( one Iayer efectrocoated tools ) Borld Grinding SuKface Metal Life of nO eno reyal of detalportcele ,sloot the Method Finish Removal Wheel selcitrap edurtorp morf the dnob ot Rate tnereffid degree nihtiw rieht elcitrap ezis noitubirtsid egnar dna gnidneped no rieht niseR yrD or eniF hgiH Less modnar noitisop no the core. sihT snaem wet that wen sleehw evah evisserga gnidnirg ,scitsiretcarahc tub ti si decuder ni eud lateM teW hguoR Low hgiH esruoc eud ot larutan wear. ecniS on wen or selcitrap are exposed yb dnob wear, there muidem si on gnineprahs-fles effect htiw siht epyt -artcelE teW hguoR hgiH Less of .sloot coated cimareC teW or hguoR hgiH Less roF reyalitlum sloot the character si ralimis ot yrd or that of a leehw htiw deretnis latem ,dnob a -fles muidem gnineprahs effect si .elbissop 2 SI 3991:46531 41.4 Core Material and Shape hcihw are nevig .woleb Core lairetam dna shape are the evisiced factors Advantages qf small rim width for citats are cimanyd htgnerts of the leehw gnidneped nopu the epyt of ba evisa noitangerpmi )a devorpmI free gnittuc dna the derised gnidnirg ,scitsiretcarahc ti yam eb edam tuo :fo b) Better pihc wolf c> a) ,muinimulA reisaE tnemeveihca of thgiarts edges dna )b dioniseR/muinimulA ,etisopmoc dna nialp ,secafrus dna c) citehtnyS .niser 4 Lesser heat noitareneg gnirud .gnidnirg 4.1.4.1 ehT correct eciohc of core lairetam selbane Disadvantages of small rim width the rerutcafunam of sleehw htiw rehgih gnittuc speed. Speeds pu ot 200 s/m yam eb )a evissergA gnidnirg nac esuac the operator deyolpme for .gnitset ot esool the gnileef of what the leehw nac take tuohtiw gniniatsus .segamad rediW ehT core lairetam has a rojam ecneulfni no the evisarba snoitces evig noitacidni of revo noitarbiv dna heat scitsiretcarahc of the .leehw gniniarts yb esion or llems dna ni case of sihT si detacidni ylevitatilauq ni elbaT 1 for lee.ts gnidnirg yb noitarolocsid of gnidnirg dioniseR dnoB .sleehW .ecafrus 4.1.5 Rim Width (W) b) Narrow mir secudorp rehguor eceipkrow ecafrus for the emas rebmun of passes dna ehT mir htdiw affects cimonoce ecnamrofxp dna crossfeed. sihT yam eriuqer noitasnepmoc gnidnirg .scitsiretcarahc yb lanoitidda spark tuo passes at decuder crossfeed rate. ehT stock lavomer gnirud gnidnirg takes ecalp nihtiw the tcatnoc area L devired morf the mir ehT mir htdiw tsum syawla eb ssel naht the htdiw W dna the eceipkrow ssenkciht ‘h’ (see htdiw of work eceip ni eht noitcerid fo htped fo .giF 1 ). nI ,lareneg the tcatnoc area or mir htdiw noitartenep at eht eceipkrow ees( .giF 2). -rehtO dluohs eb kept as llams as .elbissop ehT llams esiw a redluohs si demrof ni the evisarba noitces mir htdiw has segatnavda dna segatnavdasid gnigamad the gnittuc edge hguohtla egral mir htdiw evig the operator retteb lortnoc for dnah-ffo CONTACT AREA ‘i .gnidnirg FIG. 2 RIM WIn-rH AND -PENETRATION .GIF 1 Rlhl WIDTH DEPTH elbaT 1 evitatilauQ scitsiretcarahC of suoiraV Core slairetaM ( Clause 4.1.4.1 ) IS eroC noitacifitnedI noitarbiV taeH lacinahceM .oN lairetaM gnipmaD noitapissiD htgnertS 1. muinimulA citehtnyS R/LA muideM yrotcafsitaS dooG niseR - etisopmoC 2. muinimulA A rooP yreV doog yreV doog 3. llA citehtnyS niseR B dooG rooP yrotcafsitaS ( ton tneiciffus rof niht dellaw eroc ) 4. leetS E rooP vreV doon yreV doog IS 13564 : 1993 4.1.6 Coating Depth 4.1.8.1 Selection of Concentration ehT hgih snoitartnecnoc are C 150, C 175 dna retaerG gnitaoc depths are erom lacimonoce ecnis C 200. esehT are yltsom desu for the gniwollof yeht evah ylevitarapmoc elttil effect no -cafunam :snoitacilppa gnirut cost. weF selpmaxe for depth of /dnomaid NBC gnitaoc are nevig .woleb a) hgiH stnemeriuqer for eliforp dna edge ,ytilibats )i 1’5 ,mm )b llamS evisarba gnitaoc ,ssenkciht )ii 3’0 ,mm dna c) Hard ,dnob )iii 6’0 .mm d) Coarser ,tirg dna 4.1.7 Special Dimensions e) Creep feed .gnidnirg 2 .,, laicepS .,snoisnemid naem laiceps order -cudorp ehT rewol snoitartnecnoc are C 25, C 38, C 50. noit ybereht gnisaercni gnirutcafunam effort htiw esehT are yltsom desu ni the gniwollof rehgih,jylgnidnopserroc costs dna yreviled-regnol :snoitacilppa ::doirep 8 : .*, ,. ..I ;.). “. a) puC sleehw htiw emertxe mir ,htdiw dna ~ 1‘ 8.14 Concentrations )b sleehW htiw ylemertxe enif tirg .sezis seificejls’noititrt’necnoC 2ilt noitiopbrp fit dnbmaid 4.1.9 Order Data or CBN’ n’i the evisarbA‘ ”.noitangerpmi sA a lareneg rbf’elur‘ nbitcelk8‘iht of ,ttairpdrppa -noc Shapes of the NBC/dnomaid gnidnirg sleehw are ,noitartnec a hgih nbitartnecnoc yain eb -mocki ot eb detceles ni ecnadrocca htiw SI 10986 : 1984. dednem for llams tcatnoc areas dita ‘coarser stirg A few selpmaxe htiw noitartsullI ( see .giF 3 ) are dna a wol noitartnecnoc si elbasivda ot ,.egral nevig .woleb tcatnoc iaera e’nif’dng .,stirg ” ’ ” i * ., f :elpmaxE Shapes 2A6 ehT ylnommoc ,de’su snoitartnecnoc ,,llahs kb as nevig ni elbaT 2, ,/ , -2A6 I-521 02-2-S l-D C-62 VBR-03 or A-DBR I.‘.., , ,,,* 02-2-51-521-2A6 C-621-B WB~R-05 or A-DBR elbaT 2 Commonly Used Concentrations 4.1.10 Parameters to be Taken Simultnneously ( Clause 4.1.8 ) While Selecting DiamondjCBN Wheels sertemaraP ot eb deredisnoc elihw gnitceles NBC/dnomaid gnidnirg sleehw llahs eb as nevig Concentration Abrasive Coating Carats/cm* ni xenitA .A c 25 1’1 5 GNITAITNEREFFID DNOMAID MORF I . c 50 2’2 CIBUC BORON EDIRTIN c 75 3’3 ehT gniwollof sdohtem llahs eb elbacilppa elihw c 001 4-4 I gnihsiugnitsid dnomaid dna N~BC gnidnirg .sleehw c 125 5’5 c 150 6’6 5.1 evitcurtseD-noN Method c 175 1’7 5.1.1 emoS ecneirepxe si deriuqer ot ezingocer c 200 8’8 the epyt of .leehw A NBC leehw after gniretnis snrut elttil hsikcalb elihw a dnomaid ,leehw NOTE - ehT cisab eulav C 100 rof NBC/dnomaid semoceb .hsiyerg gnidnirG leets .htiw NBCA leehw seifingis taht rof yreve 8mc evisarba gnitaoc emulov lliw ton eb a melborp elihw a dnomaid leehw fi 4’4 starac ( 1 tarac = 0’2 g ) fo tirg era desu -serroc( desu for leets ,gnidnirg gets dedaol htiw leets .stib gnidnop ot 25 tnecrep yb emulov .) sihT seod ton ylppa ot detalportcele .sloot oslA gnittuc noitca gets decuder .ylkciuq sihT nonemonehp si elbacilppa ot sleehw derutcafunam htiw noitangerpmi ni latem or niser .dnob noitartnecnoC si eno of the 1tsom tnatropmi -arap 5.1.2 roF gnidnirg sleehw there are yllausu three retem of a NBC/dnomaid .leehw tI affects -kcots sepyt of gnidnob yb hcihw NBC/dnomaid si lavomer rate loot ,efil shape dna lanoisnemid .dleh esehT :era ycarucca of the eceipkrow ot eb .dnuorg ehT noitartnecnoc tsum eb detius ot other loot -arap a) detalportcelE ,dnob ,sretem gnidnirg euqinhcet dna the lanoitarepo )b niseR ,dnob dna .snoitidnoc tI senifed the NBC/dnomaid tnetnoc of the evisarba .gnitaoc c) lateM .dnob 4 SI 13564: 1993 BOND (WET GNIDNIRG OR YRD )i$f&NIRG GRIT EZIS \ -7 CONCENTRATION D RETEMAID --- NI mm \ r--- / H _--_ E’2OB .-- AiP NI mm .GIF 3 ORDER DATA ehT NBC/dnomaid si exposed morf the gnidnob tI si therefore elbissop ot yletaidemmi yfitnedi so that the gnidnirg noitca nac take ecalp whether the sevisarba gnidurtorp tuo morf the .yletaidemmi sA hcus NBC/dnomaid si elbisiv sleehw are NBC/dnomaid or ton tuohtiw revo dna evoba the .gnidnob nI detalportcele gnitacirtxe the evisarba morf the .sleehw sleehw the eritne ytitnauq of NBC/dnomaid si elbisiv elihw ni niser or latem gnidnob a part of 5.2 evitcurtseD Method NBC/dnomaid si .elbisiv nI case the eritne ytitnauq of evisarba si 5.1.3 NBC/dnomaiD si evissap ot lla slacimehc deriuqer ot eb tested the evisarba dluoc ylisae gnidulcni gnorts sdica dna skool ralimis ot ynam yb degavlas tuo of the .gnidnob nI case other slairetam hcus as ainocriZ naciremA( of niser ,gnidnob the leehw dluoc eb tnrub at .)dnomaiD ehT ylno yaw ot yfitnedi /dnomaid dnuora C°004 where yb the niser dluow nrub tuo NBC si ot erusaem the evitcarfer xedni hcihw gnivael the NBC/dnomaid free morf latem .dnob yletaidemmi seifitnedi what the .lairetam sihT nI case of latem coated dnomaid hcihw are dohtem si ylevisnetxe desu yb ni the ylediw ni esu yadot the cirtin dica deyolpme lliw people yrelleweJ trade dna laicremmoc gnitset sutarappa take the gnitaoc off .osla si ton .elbaliava ehT ecived si ylpmis a eborp dna a retem detarbilac no the sisab of evitcarfer 9.3 evitcurtsed-noN test si tneiciffus ot yfitnedi .secidni whether the evisarba si .NBC/dnomaid