What factors should be considered when analyzing the selection of large universal joints
Foreword:
Rongxing Transmission Analysis What are the main factors to consider when selecting a large universal joint? With the continuous progress and development of society, its large-scale universal coupling is applied to various mechanical equipment. Due to its large size, high cost, and difficult replacement, we should also consider it fully when choosing a coupling. Let me give you a brief introduction:
The selection of a large universal coupling mainly considers the speed of the required transmission shaft, the size of the load, the installation accuracy of the two parts to be connected, the stability of the rotation, the price, etc., referring to the characteristics of various types of couplings, choose a A suitable coupling type.
The following points can be considered when making a specific choice:
1. Due to reasons such as manufacturing, installation, load deformation and temperature changes, it is difficult to maintain strict and accurate alignment of the two axes after installation and adjustment. There is a certain degree of displacement in the x and y directions and the skew angle CI. When the radial displacement is large, a slider coupling can be selected, and a universal coupling can be selected for a large angular displacement or the connection of two intersecting axes. When the two axes generate a large additional relative displacement during the working process, a flexible coupling should be selected.
2. The working speed of the coupling and the magnitude of the centrifugal force caused by it. For high-speed transmission shafts, couplings with high balance precision should be selected, such as diaphragm couplings, rather than slider couplings with eccentricity.
3. The magnitude and nature of the torque to be transmitted and the requirements for the shock absorbing function. For example, for high-power heavy-duty transmission, gear couplings can be selected. For severe impact loads or transmissions that require the elimination of torsional vibration of the shaft system, tire couplings can be selected.
Summarize:
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