Supply Of 3 Jaw Scroll Type Manual Self Centering ( 3 Items ) 3 Jaw Scroll Type Manual Self Centering ( 3 Items ) , Heavy Duty Milling Machine Vice Witout Swiveling Base Size 12 Width Of Model No.U310 Of Make Unique Or Model No St 131 ( Size 12 Fix-Karnataka

Supply Of 3 Jaw Scroll Type Manual Self Centering ( 3 Items ) 3 Jaw Scroll Type Manual Self Centering ( 3 Items ) , Heavy Duty Milling Machine Vice Witout Swiveling Base Size 12 Width Of Model No.U310 Of Make Unique Or Model No St 131 ( Size 12 Fixed Type ) Of Make Smith Or Similar. Note: 1. Manufactuerers Test Certificate Should Be Furnished Along With The Supply 2. Warranty Of 12 Months From The Date Of Supply Or 9 Months From The Date Of Fitment Should Be Furnished By The Supplier. 3. All Other Warranty / Guarantee Conditions Shall Be As Per Indian Railway Standard ( Irs ) Conditions Of Contract , 3 Jaw Scroll Type Manual Self Centering Chuck Of Outer Dia 315Mm, Hand Operated Steel Body With Hardened Forward And Reverse Jaws, Along With Operating Key And Mounting Bolts Compatible To Hmt Lathe Model No.Nh-26 And Confirming To Is:2876-2005 A ) Chuck Od 315Mm Minimum B ) Chuck Capacities ( I ) Jaws With Shortest Step Outside ( A ) Smallest Dia To Be Gripped 10Mm & 145Mm ( B ) Largest Dia To Be Gripped 80Mm & 290Mm ( Ii ) Jaws With Shortest Step Inside ( A ) Smallest Dia To Be Gripped 10Mm & 96Mm ( B ) Largest Dia To Be Gripped 315Mm & 385Mm Dimensions For 3 Jaws As Per Table 1 ( Clause6.1 ) Of Is 2876 1999 Geometrical Tests ( I ) Concentricity Shall Not Exceed 0.06Mm ( Ii ) Axial Runout Shall Not Exceed 0.06Mm ( Iii ) Accuracy Of Grip On Test Bars 0.075Mm At A Distance Of 75Mm ( Iv ) Accuracy On Test Rings Shall Not Exceed A Value Of 0.06Mm For The Both External And Internal Jaws On The Periphery. Make:Clampwell Or Guindy Machine Tools Or Praga Or Prathi Or Equivalent Note: 1 ) Manufacturers Test Certificate ( Comprising Of Chemical Hardness And Dimensional Parameters ) To Be Furnished Along With The Supply 2 ) Warranty / Guarantee Certificate To Be Furnished For A Period Of 18 Months From The Date Of Supply Or 12 Months From The Date Of Commissioning Whichever Is Earlier 3 ) All The Other Warranty / Guarantee Shall Be As Per Indian Railways ( Irs ) Conditions Of Contract , Four Jaw Hand Operated Independent Standard Chuck Type B To Is 10612- 1983 Compatible To Hmt Lathe Of Model No Nh 26 Of Nominal Dia Of Chuck 355Mm. Body Shall Be Made Up Of Medium Carbon Steel Having A Minimum Tensile Strength Of 600Mpa Jaws Of High Tensile Steel With Minimum Tensile Strength Of 400 Mpa On Gripping Portion Of Jaws Hardened To 55 To 60 Hrc Dimensional Parameter Shall Confirm To Is 10612-1903 Spindle Accuracy Concentricity Axial Runout And Lateral Run Out Shall Be As Per Table 2 3 & 4 Respectively Of Is 10612 1903 Make:Clampwell Or Guindy Machine Tools Or Praga Or Prathi Or Equivalent Note: 1 ) Manufacturers Test Certificate ( Comprising Of Chemical Composition Hardness And Dimensional Parameters ) To Be Furnished Along With The Supply 2 ) Warranty / Guarantee Certificate To Be Furnished For A Period Of 18 Months From The Date Of Supply Or 12 Months From The Date Of Commissioning Whichever Is Earlier 3 ) All The Other Warranty / Guarantee Conditions Shall Be As Per Indian Railways ( Irs ) Conditions Of Contract

Refer document

Refer document