The large gear, also known as the large gear ring, is a key component of equipment such as rotary kilns and ball mills. Among them, the large gear ring of the rotary kiln is one of the most crucial components in the rotary kiln's transmission device. Its installation quality directly affects the stability of the rotary kiln's transmission system, the stability of the rotary kiln's operation, the service life of the kiln lining, and the operation rate of the rotary kiln.
Due to the requirements of manufacturing capacity, transportation and installation, the large gear ring is composed of two half gears, which are connected together by mating screws and tangentially fixed to the kiln body by a spring plate. To complete the installation and alignment of large gear rings with high quality, whether it is a new installation or a reset installation after a major overhaul, a scientific and feasible construction plan must be formulated.
Gear performance characteristics:
1. High load-bearing capacity and smooth operation.
The gears are helical, featuring high load-bearing capacity, smooth operation and low noise.
2. The gear manufacturing process is advanced and the rigidity performance is excellent.
The material of the large gear is ZG45 or ZG42CrMO high-quality alloy cast steel, with a heat treatment hardness of HB260 ~ 300. The carburizing, quenching and grinding process is adopted, with the tooth surface hardness ranging from HRC57 to 61. The other large gear is of a two-half split structure, and the tooth amplitude adopts a Y-shaped structure to ensure good rigidity of the gear.
3. It has a simple structure, which is convenient for processing, manufacturing and daily maintenance.
The flange of the large gear is processed on both sides and can be matched with the flange of the cylinder body, allowing it to be turned around for use. The pinion and the shaft are integrally forged. The two ends of the shaft are symmetrical and both are milled with keyways, which can also be turned around for use.
Production capacity
- Strong large-scale cast steel manufacturing equipment ensures product quality and the production cycle.
- A perfect thermal processing production technology ensures the intrinsic quality of key components.
- Advanced inspection equipment such as flaw detectors and universal strength testing machines ensure high-quality products.
Weight :1-35T
Main material:ZG45,ZG42CrMO
Suitable industries: cement, power, metallurgy, chemical engineering, non-metallic minerals and other industries
Applicable equipment: Rotary kiln, ball mill
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