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There are about the drum gear coupling selection procedures

Introduction:
We all in the selection of standard drum gear coupling, each manufacturer's design management personnel in the purchase of coupling transmission parts should first be in the production manufacturer has developed for the relevant provisions of the standard and mechanical industry standards or access to the coupling to choose and buy, we only in the existing standard coupling and coupling can not meet the design needs of their own design of coupling.

Customers choose the type and type of drum gear coupling:
The use of coupling customers in the choice of drum gear coupling type and type is, we should first to understand the coupling in the transmission system of the comprehensive function, from the overall design of the transmission system, the choice of coupling variety, type. According to the category of prime mover and working load category, working speed, transmission accuracy, two axis offset condition, temperature, humidity, working environment and other comprehensive factors to choose the variety of coupling. According to the needs of supporting the main engine to choose the structure of the drum type of gear coupling, when the coupling and the brake used together, it is appropriate to choose the coupling with brake wheel or brake disc type; When overload protection is needed, safety coupling should be selected; When connected with flange, flange type should be selected; For long distance transmission, when the axial size of the connection is larger, the intermediate shaft type or the intermediate sleeve type should be selected. The coupling size preliminarily selected, namely, shaft hole diameter d and shaft hole length L, should meet the requirements of the main and driven end shaft diameter, otherwise, the coupling specification should be adjusted according to the shaft diameter d. The main and driven end axle diameters are not the same is a common phenomenon, when the torque, speed is the same, the main and driven end axle diameters are not the same, the coupling type should be selected according to the big axle diameter. In the newly designed transmission system, seven shaft hole types conforming to GB/T3852 shall be selected, and J1 shaft hole type is recommended to improve universality and interchangeability. Shaft hole length shall be in accordance with the provisions of coupling product standards.

To sum up:
Some suitable for the power and coupling transmission parts of the load category and coupling speed or coupling working environment and other comprehensive factors, selected drum gear coupling varieties; The coupling type is selected according to the matching and connecting conditions of the coupling. According to the nominal torque, shaft hole diameter and shaft hole length selected specifications (models). In order to _ shaft and key strength, in the selection of coupling model (specification), the shaft and key strength should be checked to determine the specification of the drum type of gear coupling.
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