1.: {# S$ N: m* K9 w+ n( E
Quality: ANSI/AGMA 2000-a88-q11, full depth, full fillet.
2.
FOR LEAD, CROWN, AND PROFILE TOLERANCES SEE DWG 54773379
3.
CROWN DRIVEN GWAR ONLY
4.
NORMAL PRESSURE ANGLE 20”
5.* G8 t L0 o9 v- h+ g R7 e
NORMAL DIAMETRAL PITCH 8
6./ v# `' y+ d# C$ g7 }6 K3 {2 i
NORMAL CIRAULAR PITCH 0.3927
7." }4 I' f& o* X& F3 Z7 w7 u# D
HELIX ANGLE:16.6011
8.) ~' ]3 a- G/ b7 M7 Y: [
BACKLASH TO BE 0.996” TO 0.008” ON 6.9784” CENTERS
9.$ O9 R$ p+ T- _6 F6 _8 \
MATERIAL: AISI 8620
10.7 }* ^; [) u8 v- t) o" X5 b5 @
CASE CARBURIZE TO 0.025” TO 0.040” EFFECTIVE FEPTH AFTER GRINDING AND HARDEN TO 57-61 RC, CORE HARDNESS9 O7 d; O+ }/ _3 Z& _
TO BE 25-40 RC.
11.
RETAINED A USTENITE – 5% MAXIMUM BY VISUAL INSPECTION.
12.8 U# \* |7 W% f
EACH GEAR DEAR SET TO BE BOXED SEPARATELY AS A SET AND EACH GEAR MARKED WITH THE SET PART NUMBER ON THE OUTSIDE. EACH GEAR TO HAVE P/N AND SUPPLIER INENTIFICATION STAMPED. EACH GEAR TO HAVE P/N AND SUPPLIER IDENTIFICATION SATAMPED OR ELECTRIC ACID ETCHED AS SHOWN, APPROX. TEXT HGT..25’.
13.+ A- i; s' R; J
REMOVE ALL CHIPS FROM TAPPED HOLES.
NUMBER OF TEETH
HAND OF HELIX
LEAD OF HELIX
PIRTCH DIAMETER
BASE CIRCLE DIAMETER
ADDENDUM
WHOLE DEPTH
TRANSVERSE CIRCULAR
TOOTH THICKNESS WO/BL
NORMAL CIRCULAR
TOOTH THICKNESS WO/BL
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