1 2 3 4 5 6 7 8 9 10 11 12
A
B
C
D
E
F
G
H
Machining Deviation as per . . . . . . . . . . . . . . . class to ISO 2768
PCF - 072(R1) 9/20008845 4130 7067
50k5
90�#0.1
47 0-0.25
3.15H13
43+0.1 0
C
75v6
5
20�$
74.5 0-0.5
0.05 C1X45�$BOTH SIDES
74.5v6
73.5v6
74v6
55k5
32+0.1 0
52 0
-0.3
3.4H13
70.3 0
-0.5
1.65H13
49.8 0-0.1
73.4 0
-0.2
11.0
54.8 0-0.1
0.5X45�$
47.25+0.1 0
R1.6
0.3
144 0-0.5
R6
R0.1
50+0.1 0208.8 0-0.5
R.02
14.5+0.1 0
FOR GROOVE
41.8 0-0.25
1.9 H13
MAXCUTTER DIA.
80 16
288.2 0-0.2
1X45�$
R0.1
1X45�$
238.3�#0.1
(659.5)
281.2+0.1 0
143 MAX. HOBBING LENGTH141 MIN. HOBBING LENGTH
CUTTER110
R4
5�$14'
5.5
52.187-
52.252
7
R0.1
(77.3�#0.1)
TCD.
(105.01�#0.1)
TCD.
|0.02|B
|0.02|A
| 0.02|A
AppdChkdModificationZoneSl.No.Mod. No.Date
NEW RELEASE10PP165000
26/072010
FOR OTHER ROUGHNESS SYMBOLS & VALUES, SEE IS 107190.80.80.10.81.66.32550Value
Symbol
SURFACE ROUGHNESS SYMBOLS / VALUES IN m Ra
�#2�#1.2�#0.8�#0.5�#0.3�#0.2�#0.1Tolerance
400020001000400120306Upto & incl.Dim20001000400120306-Over
Machining Deviations as per ISO 2768 m
Unless otherwise stated, 1 All dim in mm.2 Drg. drawn to first angle projectionIf in doubt, Ask
Do not scale the drg.
Classification of characteristics: Critical, Key Instruction Major, (None) Minor Applies to upper limit Applies to lower limit
20Mn5Cr5H SS:4027 T13Material Description,Size,Spec.Std.No
PRINTED BY: PRINTED ON: 13-Jul-09 STATUS: PROI_RELEASE
Tolerancein m
NominalDim
+139+120
75v6
+139+120
74.5v6
+139+120
74v6
+139+120
73.5v6
+15+2
55k5
+13+2
50k5
+1800
3.4H13
+1800
3.15H13
+140
1.9H13
+140
1.65H13
0-0.25
38.1h12
0-0.16
44.3h11
Sheet No.... 1.... of .... 1.... SheetsCOUNTER SHAFT 5821 2630 79 01
Drg./Part No.
Drg./Part Designation
Opp. Hand Drg./ Pt. No.G1100 TD/6 SPEEDScale: 1:1 Reference Drg. No.
Replaces Drg. Product/Group No.31/03K.K.B.APPD
Tol. as per Std.
Fin.mass in kg20.00
03/03Y.V.D.CHKD
20/02MRITUNJAYDRN
Surface protection as per Std.DATESIGN2010
ENVELOPE DIMENSIONSL x W x H
659.51 x 204.88 x 114.16
( , , , )DEBURRED
DEBURRED , FREE OF OIL, SCALESFORGING TO BE AS PER SS 10,000
HEAT TREATMENT:-CASE CARBURISED, HARDENED AND TEMPEREDCASE DEPTH: 0.8 TO 1.1mmROCKWELL HARDNESS 60 �#2 HRC
CONVERTED TENSILE STRENGTH AT TOOTH BASE 105-145kg/mm2
CONVERTED TENSILE STRENGTH IN CORE 87Kg/mm2 MIN
DETAIL- Z( FOR GEAR II ONLY )
VIEW - Y( FOR GEAR II ONLY )
1. GEAR GRINDING OPERATION TO BE PERFORMED ON FLANKS ONLY.2. ROOTS AND FILLETS ARE NOT TO BE GROUND.
GEAR - I(SCALE :-NTS)
|0.022|A|B
SEE DETAIL E
SEE DETAIL D
SEE DETAIL B
SEE DETAIL A
CENTER HOLES BX4, TS:12321BOTH ENDS
| 0.02|A|B
I
II"Y"
| 0.022|A|B
| 0.02|A|B
SEE DETAIL C
|0.022|A|B
DETAIL ESCALE 2:1
RELIEF GROOVE F1.6x0.3AS PER IS 3428
SHARP EDGES
DETAIL DSCALE 5:1
DETAIL BSCALE 3:1
SHARP EDGE
RELIEF GROOVE F 1.6x0.3AS PER IS :3428
SNAP RING GROOVEAS PER 11904
DETAIL ASCALE 3:1
SHARP EDGE
CIRCLIP GROOVE AS PER IS :3075
DETAIL CSCALE 2:1
|0.05|A|B
III
R0.1
GEAR ACCURACY CLASS AS PER DIN 3962I
DIN 6II
DIN 6
PROFILE FORM DEVIATION ff 0.010 0.010
PROFILE ANGLE DEVIATION ff a 0.007 0.007
TOTAL PITCH DEVIATION Fp 0.028 0.028
PITCH ERROR fu 0.011 0.011
TOOTH TRACE ANGLE DEVIATION fH b 0.010 0.010
GEAR DATA I II III
NUMBER OF TEETH 13 18 12
NORMAL MODULE 4.9 4.9 3.25
NORMAL PRESSURE ANGLE 22�$30' 20�$ 20�$
HELIX ANGLE AT PCD 6�$54' 12�$51' 0�$
DIRECTION OF HELIX RIGHT RIGHT --
PITCH CIRCLE DIAMETER 64.1647 90.4657 39
BASE CIRCLE DIAMETER 59.217 84.752 36.648
CENTRE DISTANCE 165 165 --
ADDENDUM MODIFICATION Xm 2.205 2.205 -
CIRCULAR ARC THICKNESS ON PITCH CIRCLE (WITHOUT BACKLASH)
9.5235 9.30206.3076.347
LEAD 1665.763 1245.905 --
BACKLASH NORMAL TO TOOTH 0.15/0.25 0.15/0.25 -
ROOT CIRCLE DIAMETER 55.6�#0.1 79.53�#0.1 38.1h12
TIP CIRCLE DIAMETER 77.3�#0.1 105.01�#0.1 44.3h11
SPAN MEASUREMENT OVER 'T' TEETH 2T 24.2424.19
3T 38.9238.87
--
MEASUREMENTS OVER ROLLERS - - 52.769/52.832
ROLLER DIAMETER - - 7
TRUE INVOLUTE FORM DIAMETER 60.1 85.7 -
DIAMETER AT CHAMFER POINT Dc 76.8 104.51 -
START OF ACTIVE PROFILE 5.13 6.35 -
END OF ACTIVE PROFILE 24.45 30.58 -