Results 1 to 10 of about 1,189 (163)

Experimental study on the influence of lapping plate materials on the quality of both sides cylindrical rollers machining [PDF]

open access: yesScientific Reports
The both-sides machining method can obtain high precision cylindrical rollers, but there is a drawback that the lapping plate is easy to wear, which restricts further improvement in the quality of rollers machining.
Binghai Lyu   +2 more
exaly   +3 more sources

Influence of Geometric Error of Rollers on Rotational Accuracy of Cylindrical Roller Bearings [PDF]

open access: yesXibei Gongye Daxue Xuebao, 2019
As the rotation of roller bearings is carried out under geometrical constraint of the inner ring, outer ring and multiple rollers, the motion error of the bearing should also be resulted from geometric errors of bearing parts. Therefore, it is crucial to
Yongjian Yu   +3 more
doaj   +2 more sources

Development and Investigation of Non-Destructive Detection Drive Mechanism for Precision Type Cylindrical Roller Dynamic Unbalance

open access: yesApplied Sciences, 2023
In the process of dynamic unbalance detection for precision cylindrical rollers, challenges such as difficulty in achieving effective driving and susceptibility to surface damage during driving significantly impact the accuracy of unbalance detection ...
Shijie Liang   +4 more
doaj   +1 more source

Experimental Study of Both-Sides Cylindrical Roller Machining Based on Ceramic Plate

open access: yesLubricants, 2022
In order to improve the accuracy and batch consistency of cylindrical roller machining, in this paper, a both-sides cylindrical roller machining method based on hard ceramic plate is proposed.
Tianchen Zhao   +6 more
doaj   +1 more source

Design of an energy efficient cylindrical roller bearing

open access: yesMechanics Based Design of Structures and Machines, 2022
In this study, the roller and ring raceway profiles of a cylindrical roller bearing (CRB) are designed. Starting from an initial design (i.e., an existing CRB, named NJ 309 EP4), it is intended to minimize the friction moment without sacrificing the fatigue life to have an energy efficient roller bearing.
Erdem Acar   +4 more
openaire   +3 more sources

Surface quality of double-sided grinding Si3N4 cylindrical rollers

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
In order to obtain the optimal process parameter combination of double-sided grinding Si3N4 cylindrical rollers, the orthogonal experiment method was used to explore the influences of the grinding disc speeds, the grinding pressures and the basic ...
Heli HUANG   +5 more
doaj   +1 more source

Study on Contact Force and Vibration Characteristics of Composite Cylindrical Roller Bearing

open access: yesInternational Journal of Rotating Machinery, 2022
The composite cylindrical roller is composed of a hollow cylindrical roller and a filler body and is a new type of structure roller bearing. In order to explore the influence of different parameters on the contact characteristics and vibration ...
Tie Qu   +6 more
doaj   +1 more source

Numerical Simulation of Stagger Spinning of Cylindrical Part with Cross Inner Ribs

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Flow spinning is an advantageous technology in forming thin-walled cylindrical parts, but for cylindrical parts with inner ribs,the height of the inner ribs that can be formed is limited.
ZHOU Yu, ZHAO Yong, YU Zhongqi, ZHAO Yixi
doaj   +1 more source

Calculation of quality parameters of the functional surfaces of steady-rests [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2017
The article considers the methodology for calculating the design parameters of the functional surfaces of the steady-rests, which determine the accuracy and productivity of surface treatment of blanks.
Erokhin V.V.
doaj   +1 more source

Mixed Lubrication Analysis of Tapered Roller Bearings and Crowning Profile Optimization Based on Numerical Running-In Method

open access: yesLubricants, 2023
Tapered roller bearings (TRBs) are widely used in heavy-load rotating machinery. One of the technical problems in TRBs is the existence of sharp spikes of the contact pressure in the vicinity of the two ends of the tapered rollers.
Renshui Cao   +4 more
doaj   +1 more source

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