A Method of Restraining the Adverse Effects of Grinding Marks on Small Aperture Aspheric Mirrors
Micromachines, 2022 The grinding method is used as the preliminary processing procedure for small aperture aspheric mirrors. Regular grinding marks produced in the grinding process significantly affect the mid-spatial frequency error; however, because of their small radius ...
Jiahui Bao +3 more
doaj +1 more source
Gating systems in the casting grinding balls technology
Литьë и металлургия, 2022 The article presents a number of experimental and research works on the development of parameters of the casting technology of grinding balls by casting in a lined coquille (chill mould) with a vertical connector.
D. A. Volkov +2 more
doaj +1 more source
Rail Corrugation of High-Speed Railway Induced by Rail Grinding
Shock and Vibration, 2021 Rail corrugation is a common railway defect that involves diverse and complex factors. Rail grinding is also the most commonly used method to address corrugations. Through numerous irregularity tests and one-third octave frequency spectrum analyses, this
Xing Du +4 more
doaj +1 more source
Time-Series Forecast-Based Endpoint Thickness Compensation for Thinning of Sapphire Wafer
IEEE Access, 2023 The grinder consults measurement modules to control the endpoint thickness of the sapphire wafer thinning process, but these modules have shortcomings.
Yu-Kun Lin, Bing-Fei Wu
doaj +1 more source
Analysis and Calculation of Mechanical Characteristics of Vertical Traction Grinding Device
机车电传动, 2021 The rail grinding vehicle transmits the power to the grinding device at the bottom of the vehicle body through the traction mechanism, so that it can run and grind along the rail.
Dan LUO +3 more
doaj
Modeling and simulation of a single abrasive grain micro-grinding force and temperature of bone
Journal of Biomechanical Science and Engineering, 2020 Grinding methods have been widely used in orthopedic surgery, which has high requirements for surface quality, grinding force and temperature control. It is necessary to explore the influence of micro-grinding parameters on the grinding force temperature
Heqiang TIAN +4 more
doaj +1 more source
An Experimental Investigation on the Effects of MQL Method on Grinding of Nickel Based Superalloy 738 (Inconel 738) [PDF]
مجله مدل سازی در مهندسی, 2023 In this research, the usage possibility of minimum quantity lubrication in grinding super alloy Inconel 738 has been studied empirically to reach improved grinding and lubricating conditions.
Mohsen Khazali, Hossein Hatami
doaj +1 more source
Vertical Spindle Grinding of Si and Granite with a New Abrasive Disk
Advances in Mechanical Engineering, 2013 An investigation was reported of a new attempt in the fabrication of an ultrafine abrasive tool for vertical spindle grinding. The principle of sol-gel was applied to granulate ultra-fine abrasives in order to reduce their aggregation.
Yiqing Yu +4 more
doaj +1 more source
Two-degree-of-freedom Grinding Wheel Profile Modification Manipulator and Its Error Compensation
Jixie chuandong, 2021 Compared with traditional grinding wheels，grooved grinding wheels have many advantages，but the error of grinding wheel profile has certain influence on machining accuracy.
Bin Yang, Xiaodi Huang, Yongcheng Huang
doaj
Analysis of the amplitude of vertical oscillations of the main shaft on a sewing machine [PDF]
E3S Web of Conferences, 2023 The article provides a mathematical model of the vertical oscillations of the main shaft on the elastic supports of the sewing machine, taking into account inertial forces, as well as the rigidity characteristics of the rubber shaft supports.
Norkhojaeva A.Dj. +2 more
doaj +1 more source