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Analysis of gear couplings Lubrication and maintenance methods for various types of couplings

Foreword:
Good lubrication of the coupling is a necessary guarantee for safe and reliable operation, a necessary method to slow down wear, and an important way to improve the life of the coupling. Because of the variety of coupling models, their characteristics and performance are also different. Xiaobian Let me introduce the lubrication methods of different types of couplings in detail:

Lubrication methods for different types of couplings:
Double-headed toothed coupling: the maximum peripheral speed is about 60m/s, lubricated with No. 0 or No. 1 grease, the amount is to fill the coupling, the grease change cycle is 6-12 months, and the lubricant is required to have good adhesion. The sealing requirements are not strict; the high peripheral speed is about 60m/s, and the gear oil is lubricated with N150 and N220, and the dosage is half of the capacity of the coupling, so that there is no oil leakage when it is stationary. The oil change period is 12 months. The sealing requirements Not strict; the high peripheral speed is about 150m/s, lubricated with N150, N220 gear oil, requires sufficient flow, and passes through the coupling continuously in the axial direction without sealing.

Single-head toothed coupling: the maximum peripheral speed is about 60m/s, lubricated with No. 0 or No. 1 grease, the amount is to fill the coupling, the grease change cycle is 6-12 months, and the lubricant is required to have good adhesion. The sealing requirements are not strict; the high peripheral speed is about 60m/s, and the gear oil is lubricated with N150 and N220, and the dosage is half of the capacity of the coupling, so that there is no oil leakage when it is stationary. The oil change period is 12 months, and ordinary mineral oil , the sealing requirements are not strict; the high peripheral speed is about 30m/s, lubricated with No. 0 or No. 1 grease, the amount is to fill the coupling, and the grease change cycle is 6 months. The lubricant is required to have good adhesion, and the sealing requirements Not strict.

Jaw coupling: The maximum peripheral speed is about 150m/s, lubricated with N150, N220 gear oil, requiring sufficient flow, passing through the coupling continuously in the axial direction, without sealing.

Spring leaf coupling: the maximum peripheral speed is about 30m/s, lubricated with No. 1 grease, the amount is to fill the coupling, the grease change cycle is 1000 hours, and the sealing requirements are not strict.

Disc spring coupling: the maximum peripheral speed is about 60m/s, lubricated with No. 2 or No. 3 grease, the amount is to fill the coupling, the grease change cycle is 12 months, and the sealing requirements are not strict; the high peripheral speed is about 150m/s, lubricated with N150, N220 gear oil, requires sufficient flow to continuously pass through the coupling along the axial direction.

Oldham coupling: the maximum peripheral speed is about 30m/s, lubricated with No. 2 grease, the gap in the middle slider is filled with grease, and the grease change cycle is 1000 hours, suitable for ball bearing grease. The maximum peripheral speed is about 30m/s, lubricated with N220 gear oil, the gap in the middle slider is filled with oil, the oil change cycle is 1000 hours, and sometimes an oil-soaked felt pad is used.
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