Coordinate Measuring Machines X-ray CT system Surface Texture and Contour Measuring Instruments Non-contact Surface Texture and Contour Measuring Instruments/Systems Optical shaft measuring system …
— Atomic force microscopy (AFM): AFM is a high-resolution, non-contact method that uses a sharp probe to scan the wafer surface and measure its roughness. AFM provides extremely accurate …
— The non-uniform contact behavior actually existed between bearing raceway and grinding wheel during ELID groove grinding process, the following conclusions are drawn from these studies. (1) Variety of feeding speed forms circumstance under which the interaction phenomenon takes place.
An on-line non-contact method for measuring the wear of a form grinding wheel is presented. A CCD (charge coupled device) camera with a selected optical lens and a frame ... As an example, Fig. 3 shows a grinding wheel edge captured by an image processor. The dark section is the grinding wheel
— A new approach for the non-contact processing of semiconductor wafers by ultra-short-pulse electrical discharges, namely electrical discharge grinding, is developed. A prototype with a rotary cup electrode is built to investigate the new process with single …
— Grind only on the face of a straight wheel. Grind only on the side of a cylinder, cup or segment wheel. Make grinding contact gently, without bumping or gouging. Never force grinding so that the motor slows noticeably or the work gets hot. The machine ampmeter can be a good indicator of correct performance.
— This paper proposes an automatic tool setting method for grinding internal screw threads with non-contact proximity switch, which can be effectively applied into realistic situation with low cost. The geometrical features of internal screw threads in the narrow space are measured by non-contact proximity switch and used to determine the …
— Non-contact grinding/thinning of silicon carbide wafer by pure EDM using a rotary cup wheel electrode. Junming Guan, Yonghua Zhao. Published in Precision …
— This study develops pure electrical discharge machining as an alternative for non-contact wafer grinding and thinning to achieve high precision and low cost. This method employs a copper-made ...
Optimization of the SiC with respect to fuel performance involves four areas of study: (a) characterization of as-deposited SiC coatings; (b) thermodynamics and kinetics of …
— This paper proposes an automatic tool setting method for grinding internal screw threads with non-contact proximity switch, which can be effectively applied into realistic situation with low cost ...
NCG is The Non Contact Gauge. DISCO's Fully Automatic Grinder and Grinder/Polisher usually measure wafer thickness in grinding process and control wafer thickness by contact gauge. NCG measure wafer thickness without contact, and has advantage below. Avoidance wafer breakage risk by the thickness measurement
— Here, k P represents the time-varying meshing stiffness including contact stiffness k p1, gear body bending and shear stiffness k p2 and gear body bending and torsion stiffness k p3.The detailed solution can refer to Refs. [25], [34], [35].It is worth noting that the basic loaded contact deformation mainly exists in local bearing contact …
— The games below which come from both the west and the east all manage to avoid grinding. Either they balance the game well enough to make grinding unnecessary, or the progression system makes it simply impossible to do so. Hopefully, those who ignore the genre will find something they like here if they have not already played it.
— This paper proposes a non-contact ultrasonic grinding processing method, which can effectively avoid the phenomenon of grinding tool wear on the workpiece due …
An on-line non-contact method for measuring the wear of a form grinding wheel is presented. A CCD (charge coupled device) camera with a selected optical lens and a frame grabber was used to capture the image of a grinding wheel. The analogue signals of the image were transformed into corresponding digital grey level values. Using the …
This paper proposes a non-contact ultrasonic grinding processing method, which can effectively avoid the phenomenon of grinding tool wear on the workpiece due to the …
Semantic Scholar extracted view of "Prediction and control for local bearing contact-based collaborative grinding of non-orthogonal aerospace spiral bevel gears" by H. Ding et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 221,204,460 papers from all fields of science ...
DOI: 10.1016/j.precisioneng.2021.12.001 Corpus ID: 244845125; Non-contact grinding/thinning of silicon carbide wafer by pure EDM using a rotary cup wheel electrode @article{Guan2021NoncontactGO, title={Non-contact grinding/thinning of silicon carbide wafer by pure EDM using a rotary cup wheel electrode}, author={Junming Guan and …
Mechanism and Experiment Study of Non-Contact Ultrasonic Assisted Grinding Weiqing Huang, Qunyou Zhong, Dawei An, Chenglong Yang, Yi Zhang; Affiliations Weiqing Huang School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China ...
JUCRANK - Non-cylindrical grinding machines Precise in a single set-up. The JUCRANK non-cylindrical grinding machine accomplishes all grinding tasks on crankshafts. Maximum accuracy and quick cycle times are achieved through oscillation grinding in a single clamping set-up and through the productive machine concept.
DOI: 10.1016/J.PROMFG.2017.09.080 Corpus ID: 139649002; Non-contact measurement of grinding pins by means of a 2D laser micrometer @article{Valio2017NoncontactMO, title={Non-contact measurement of grinding pins by means of a 2D laser micrometer}, author={Gonzalo Vali{~n}o and Roman Wdowik and Jacek Misiura and Pablo Zapico}, …
— Compared with traditional contact grinding of sapphire wafer under certain pre-pressure conditions, the experimental results show that non-contact ultrasonic …
— A grinding wheel is a precision tool with thousands of cutting points on its surface - abrasive grains that are held in place by a bond matrix (hence these are known as bonded abrasives) and separated by pores.. These pores are hollow spaces between abrasive grains and the bond, which help with the clearance of discarded metal chips in …
— The angles at which the centerless grinding wheels contact the part are critical to achieving the proper roundness and tolerance. ... Dopants raise the recrystallization temperature of tungsten wire and other wires, giving non-sag properties to tungsten light bulb filaments and other products. Read Content.
— The paper presents the results of contact and non-contact measurements of external profiles of selected grinding pins. The measurements were conducted in order to choose the appropriate measuring ...
— This study develops pure electrical discharge machining as an alternative for non-contact wafer grinding and thinning to achieve high precision and low cost. This method employs a copper-made ...
— The result showed that non-contact ultrasonic grinding of the sapphire wafer could reduce the surface roughness by 48.6%. Compared with traditional contact grinding of sapphire wafer under certain ...
The results show that non-contact ultrasonic grinding of sapphire wafer can reduce the surface roughness by 48.6% and the material removal amount was 12.9 mg. Compared with traditional contact grinding, the results show that non-contact ultrasonic grinding was better in reducing the surface roughness and improving the processing efficiency of ...
machine structure during wheel contact in the grinding and dressing processes. The user can set up the system easily, and immediately reap ... Non-Contact External/ Internal SB-5501-N SB-5511-N SB-5521-N SB-5531-N Hydro Balancer SB-5501-H SB-5511-H SB-5521-H SB-5531-H
— Owing to the non-contact property of the PLDDS and the CS, there is no additional force introduced into following measurements. ... Chatter stability of metal cutting and grinding. CIRP Annals, 53 (2) (2004), pp. 619-642. View PDF View article View in Scopus Google Scholar [8]
— In the present paper, prediction, sensitivity analysis and adaptive control of collaborative tooth flank grinding considering both geometric accuracy and local bearing contact evaluations is developed for non-orthogonal aerospace spiral bevel gears, in order to distinguish with the conventional grinding only considering the tooth flank ...
— The portable instrument considered for non-contact on-m achine measurement of the grinding pin was a high- accuracy digital 2D micrometer Keyence LS-7000, consisting on a LS-7070 measuring head ...
This paper presents the cylindrical part profile using a laser scanning micrometer (LSM) device with diameter range (0.2 to 40) mm, diameter resolution 0.05 µm, motion range axial to 300 mm. Experimental profiles measured in some detail sectional aluminum cylinder, measured profile results are equivalent measured on the industrial round gauge F135 of …
ORIGINAL ARTICLE Development and evaluation of non-contact automatic tool setting method for grinding internal screw threads Yulin Wang1 & Chuanjian Zhang1 & Yan He2 & Lijia Tao3 & Hutian Feng1 Received: 18 November 2017/Accepted: 31 May 2018 /Published online: 15 June 2018
— In this study, electrical discharge machining (EDM), a non-contact thermal machining process, is proposed for machining single crystal silicon carbide (SiC) which …