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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 2909 (1998): Star Grips - Specification [PGD 2: Machine Tool Elements and Holding Devices] “!ा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” I - \ IS2 909 : 1998 Indian Standard RATS SPIRG - NOITACIFICEPS ( First Revision ) ICS 21.180 0 BIS 1998 BUREAU OF INDIAN STANDARDSD MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 March 1998 Price Group 3 enihcaM looT stnemelE and gnidloH seciveD lanoitceS ,eettimmoC EP 02 FOREWORD sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht enihcaM looT stnemelE and gnidloH seciveD lanoitceS eettimmoC had neeb devorppa yb eht noitcudorP gnireenignE noisiviD .licnuoC sihT standard was tsrif issued ni 1964 rof hcihw assistance was devired morf NID 6336 - 1968 ratS‘ ’spirg issued yb sehcstueD tutitsnI rif gnumroN .)NID( ehT tneserp noisiver has neeb thguorb tuo ot gnirb eht standard ni enil htiw eht tnerruc gnirutcafunam .secitcarp gniwolloF era emos fo eht snoitacifidom edam ni this :noisiver )a ehT eltit fo eht standard has neeb degnahc morf snoisnemiD‘ rof star ’spirg ot ratS‘ grips - .’noitacificepS )b ehT tnemeriuqer gniniatrep ot erutcafunam has neeb .dedulcni )c ecafruS hsinif slobmys evah neeb detacidni as rep tsetal .ecitcarp sihT standard is eno fo a seires fo naidnI Standards no lortnoc stnemele desu no enihcam .sloot sihT standard has neeb yliramirp nekatrednu ot tneverp yrassecennu egral yteirav fo shapes and snoisnemid fo eseht stnemele gnieb desu ni eht naidnI yrtsudnI ot niatbo ytilibaegnahcretni fo eseht .stnemele roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ni ecnadrocca htiw SI 2 1960 seluR‘ rof gnidnuor ffo laciremun seulav .‘)desiver( ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. IS 2909 : 1998 Indian Standard RATS SPIRG - NOITACIFICEPS (First Revision) 1 SCOPE 4.2 ratS grips fo epyT C shall ton eb derutcafunam morf thgil latem .syolla 1.1 sihT standard seificeps eht stnemeriuqer and eht snoisnemid fo star grips desu no enihcam .sloot 5 DIMENSIONS 2 SECNEREFER 5.1 ehT snoisnemid fo palm grips shall eb as nevig ni selbaT 1 ot 4. 2.1 ehT gniwollof standards niatnoc snoisivorp hcihw 5.2 ehT lanoisnemid snoitaived rof decnarelotnu hguorht ecnerefer ni this ,txet etutitsnoc noisivorp fo snoisnemid shall eb esraoc‘ ’ssalc ni ecnadrocca htiw this standard. At eht emit fo ,noitacilbup eht snoitide SI 2102 ( traP 1 .) detacidni erew .dilav llA standards era tcejbus ot ,noisiver and seitrap ot stnemeerga desab no this standard era 6 MANUFACTURE degaruocne ot etagitsevni eht ytilibissop fo gniylppa eht tsom tnecer snitide fo eht standards :wolebdetacidni 6.1 ehT star grips yam eb ,tsac eid ,tsac ro .degrof yehT shall eb eerf morf .srrub SI .oN eltiT 7 DESIGNATION 210 : 1993 yerG nori castings htruof( 7.1 ratS grips shall1 eb dengised :yb revision ) 4 2062 : 1992 leetS rof lareneg larutcurts esoprup (fourth revision ) b) lanimoN ;ezis 2102 lareneG ecnarelot rof c) lairetaM tsac nori ,0( elbaellam tsac nori ,)IM( traP( )1 : 1993 snoisnemid mrof and leets ,)TS( thgil latem yolla )AL( ro citsalp noitisop : traP 1 lareneG ;)P( and secnarelot rof raenil and angular d) .oN fo this standard. snoisnemid ( secondrevision ) Example : 2393 : 1980 noitacificepS rof lacirdnilyc pins ( second rev i sion ) A star pirg fo epyT A gnivah a lanimon ezis 50 mm edam morf leets shall eb detangised 14329 : 1995 elbaellaM nori castings as: 3 TYPES ratS pirG SI 2909 tS-OSA 3.1 ehT star grips shall eb fo neves ,sepyt ,yleman 8MARKING dnaFepyT,EepQ,DepJl‘,CepyT,BepQ‘,AepyT 8.1 ehT star grips shall dekram htiw eht lanimon ,ezis epyT .G epyt and s’rerutcafunam eman ro .kram-edart 4 LAIRETAM 8.2 ehT star grips shall osla eb dekram htiw eht dradnatS 4.1 ehT star grips shall eb derutcafunam morf yerg Mark. tsac ,nori elbaellam tsac ,nori ,leets teehs ,leets thgil 8.2.1 ehT esu fo eht dradnatS Mark is denrevog yb latem yolla ro cilonehp .citsalp eht snoisivorp fo eht Bureau of naidnI Standards 4.1.1 nI esac star grips era derutcafunam morf tsac Act, 1986 and seluR and snoitalugeR edam .rednuereht ehT sliated fo snoitidnoc rednu hcihw eht ecnecil rof ,nori elbaellam tsac nori ro ,leets yeht shall mrofnoc ot eht esu fo dradnatS Mark yam eb detnarg ot eht gniwollof standards: srerutcafunam ro srecudorp yam eb deniatbo morf Material Grade and Indian Standard eht uaeruB fo naidnI Standards. Grey tsac nori elbatiuS edarg fo SI 2 10 9 PACKING elbaellaM tsac nori elbatiuS edarg SI 14329 9.1 ehT star grips shall eb dekcap ni ecnadrocca htiw leetS rG A fo SI 2062. tsetal tnelaverp edart .secitcarp 1 IS 2909 : 1998 Table 1 Dimensions for Star Grips, ‘Ijpes A, B and C (Clause 1.5 ) IlA snoisnemid ni .sertemillim FOR 23=,da FOR 04=,d‘$ TO 80 BASIC FORM TYPE C lanimoN Size 23 21 6 6M 4.6 3.2 12 02 01 - 2 51 01 6 04 41 8 8M 4.8 8.2 62 52 31 6 2 81 21 7 05 81 01 0lM 5.01 8.2 43 23 71 8 2 12 61 8 36 02 21 2lM 0.31 8.3 24 04 12 01 3 52 02 01 08 52 61 6lM 0.71 8.3 25 05 52 21 3 23 03 21 IS 2909 : 1998 Table 2 Dimensions for Star Grips, ‘Qpes D and E (C&use 5.1) All dimensions in millimetres. WELDED OR BRAZED ,_a+ _/ / I TYPE D TYPE E 32 12 6 M6 6.4 2.3 9 2 20 1 0.5 15 6 10 40 14 8 M8 8.4 2.8 II 2 25 13 0.8 18 7 12 50 18 10 Ml0 10.5 2.8 13 2 32 17 1.0 21 8 16 63 20 12 Ml2 13.0 3.8 15 3 40 21 1.2 25 10 20 80 25 16 Ml6 17.0 3.8 18 3 SO 27 1.5 32 12 30 IS 2909 : 1998 Table 3 Dimensions for Plastic Star Grips, ‘Ijpe F (Clause 5.1) All snoisnemid ni .sertemillim GNILRUNK/ EPYT F Nominal Size 3h h.4 4 ,t Taper” niP 32 20 6 12 2 22 18 10 3 5 15 2x30 40 25 8 16 3 28 2 12 3 6 18 3x25 50 32 10 20 3 36 28 21 4 8 22 3x30 63 40 12 25 4 45 32 20 4 10 26 4x40 80 50 16 32 4 56 40 25 5 12 32 4x50 enidroccA“ ot SI 2393. 4 SI 9092 : 8991 Table 4 Dimensions for Plastic Star Grips, ‘Ijpe G (Clause 5.1 ) All snoisnemid ni .sertemillim /-KNURLING EPYT G Nominal Size 32 20 MS 12 22 18 10 3 15 40 25 0lM 16 28 22 12 3 18 50 32 2lM 20 36 28 16 4 22 63 40 6lM 25 45 32 20 4 26 80 50 M20 32 56 40 25 5 32 5