Grinding Mill Girth Gear
Grinding Mill Girth Gear
Grinding Mill Girth Gear
Grinding Mill Girth Gear
Grinding Mill Girth Gear
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The Design And Manufacturing Standard Of Grinding Mill Girth Gear
 

1.Material standard
Complying with the American Society of Testing Material and the International Standardization Organization (ASTM&ISO) standards ANSI/AGMA 2015 and GB/ T10095-2008 or according to the requirement by the user. 

2.manufacturing standard of girth gear
A G M A6114—2006 (Metric) Accuracy class, calculating according to Q8 accuracy class, processing according to Q10 precision class, or according to the requirement by the user's drawings. 

 

3.Our experience
Based on the experience of casting, heat treatment, machining, gear manufacturing and equipment operation feedback, our company has three kinds of girth gear casting materials whose chromium, nickel and molybdenum components are different that meet the three different design strength and hardness requirements. Factors such as performance, modulus, pressure angle and helix angle, tooth width, tooth surface contact pressure, and axial force are considered to optimally design the grinding mill girth gear. For milling transmission, a 25° pressure angle is used to increase the milling capacity by approximately 10% compared to a 20° pressure angle. The helix angle is also limited to 7.5° to maintain the control of the axial force. Because the helical gear transmission is larger than the spur gear transmission which has the same diameter, the bending strength and contact strength are greatly improved, the transmission is stable, the noise is small and the service life is long. 

Process
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