1.The internal gear tooth profile is concave, the tooth thickness and width of tooth gear in the corresponding scallop wide.and tooth thickness.
2.Within the circle of gear indexing circle, less than indexing dedendum circle circle.
3.In order to make internal gear and gear meshing gears transmission within the composition of meshing gears can correctly, circle must than circle.

Name:Gears(We supply kinds of Gear Ring)
Materials: Casting, Forging, or customer's requirement.(ZG etc. as ZG35)
Standard:GB,ISO,DIN.AGMA etc.
Max. Dia. 11m
Maximum weight: 80tons
Maximum length: 800mm
Hardness: Max.400BHN
Gear Precision:Gr.6-12 etc.

Notes:We have rich experiences and competitive price in large Size Gear Ring,Customers'drawings and designs are welcomed.

Charger:summer
Msn: fightinglxy at hotmail dot com
P.O: fightinglxy at yahoo dot cn
Skype: fightinglxy
Site: www dot newfoton dot com
M.P.: 86 13898069991