Detail - 'x': Mark Pitch Dia By Means Of Turning Tool After Machining On Both Sides

MARK PITCH DIA BY MEANS OF TURNING TOOL AFTER MACHINING ON BOTH SIDES

30 15 12

30

25

'X'

65

R 1/4"

260 H7 P.C.D 525 575

NIPPLE

R45

1.25

ROUND EDGES

65

DETAIL - 'X' 65 275 NOTES: 1. THE CASTING SHOULD BE IN TWO HALVES, SMOOTH, FREE FROM BLOW HOLES, CRACKS & OTHER CASTING DEFECTS. 2. TEST CERTIFICATES FOR MECHANICAL PROPERTIES TO BE SUPPLIED OF TEST CONDUCTED ON SAMPLE CAST & HEAT TREATED ALONG WITH THE CASTING CONFORMING TO IS : 2644 Gr-2(1994), IS:1757(1988), IS:1608(1972), IS:1500(1983), IS:3658(1999), IS:11732(1995). 3. IN CASE OF REPAIR,BY WELDING, ONLY IF APPROVED, SHALL CONFORM TO IS:5530(1986). 4. CASTING TO BE NORMALISED AND THE HARDNESS ON PERIPHERY & SIDES SHOULD BE 200-220 BHN. 5. NO WELDING IS PERMITTED ON THE OUTER PERIPHERY OF THE TYRE. 6. ALL UNSPECIFIED CASTING RADIUS SHOULD BE 5MM. 7. DEVIATION FOR UNTOLERACED DIMENSIONS SHOULD BE AS PER CLASS-2 OF IS: 4897(1994)

GEAR SPECIFICATIONS: P.C.D. = 525 MM NO. OF TEETH = 21 MODULE = 25 FACE WIDTH = 275 MM PRESSURE ANGLE ADDENDUM = 25 MM DEDENDUM = 31.25 MM TOTAL QTY. - 2 NOS. MATERIAL - EN-19 HARDNESS REQD. - 230 - 250 BHN WEIGHT - 172 KG/PC (APPROX)

Ra12.5

Ra1.6

Ra0.8 TITLE:

00