धारण ज्ञान

Common faults and prevention methods of rolling bearings

The normal operation of rolling bearings should be uniform, light, non blocking, and loose when rotating by hand. temperature during does not exceed 70 ℃, using a metal rod to …

Section of raceway groove curvature radius coefficient for deep groove ball bearing

Abstract: After analysis on geometric parameters and contact stress inside a deep groove ball bearing,the current relation of Coe raceway curvature radius …

Casting and Rolling Composite Technology of 42CrMo Bearing Ring Blank

Abstract: There are many forging processes and high costs for the 42CrMo oversized bearing ring blank. This article introduces process flow various parameters of …

Do you know the Influence of Lubricant Selection in the Design Process on the Lifetime Lubrication of Rolling Bearings?

1. IntroductionLubrication plays an important role in the performance and lifespan of rolling bearings, but its importance is often underestimated. The most task …

How to Improve and Enhance the Cooling and Lubrication Effect of Bearings?

PrefaceThe lubrication system of the vertical grinding roller is also crucial for operation mill. It can continuously cool and lubricate bearings, thereby ensuring service …

Development of Main Bearing Cover for Crankshaft by Powder Metallurgy Process

Abstract: The structure and performance characteristics of 473QB for automotive engine crankshaft main bearing caps were analyzed, powder metallurgy materials used …

Measuring Instrument for Friction Torque of Needle Roller Bearings

Abstract: Aiming at the problems in measurement of friction torque needle roller bearings,the measuring instrument is developed for bearings. The able to apply radial …

2023 August the Second Week KYOCM Technical Knowledge: Analysis on the Shaft-current of Frequency-control Motors and Its Solution

Abstract: The cause and harmfulness of the shaftcurrent frequency-control motors are described,the maximum value shaft-current is introduced in practice predicated …

2023 August the First Week KYOCM Technical Knowledge: Rolling bearings for centrifugal pumps and their new technologies

Abstract: This article introduces the basic structure and working conditions of most widely used centrifugal pump, with a focus on functions bearings in pumps …

2023 July the Fourth Week KYOCM Technical Knowledge: Calculation on Friction Torque of Thin Wall Four - Point Contact Ball Bearings with Negative Clearance Under No - Load

Abstract: The calculation method is introduced for clearance of four point contact ball bearing under negative clearance. Taking the thin - walled QJ1830 no load as an …

2023 July the Third Week KYOCM Technical Knowledge: Assembly Technology of Double Row Angular Contact Ball Bearings

Abstract: In view of the structure and characteristics double row angular contact ball bearing, taking inner ring separation type bearing as an example, measuring group …

2023 July the Second Week KYOCM Technical Knowledge: Research Progress on Dynamics Models for Rolling Bearings

Abstract: The dynamics models for rolling bearings is reviewed, and the bearing - rotor system its application are discussed. The analysis software introduced. …

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