Results 161 to 170 of about 41,769 (214)

March, 1946 [PDF]

, 1946
Valparaiso University Guild
core   +1 more source

An Experimental Investigation into Trochoidal Milling for High-Quality GFRP Machining. [PDF]

Materials (Basel)
Bílek O, Řezníček M, Matras A, Solařík T, Macků L.   +4 more
europepmc   +1 more source

Midwifery as an Occupation and Identity in Jennifer Worth's Call the Midwife. [PDF]

J Med Humanit
Nikolova Z.
europepmc   +1 more source

Maternal behavior influences vocal practice and learning processes in the greater sac-winged bat. [PDF]

Elife
Fernandez AA, Serve N, Fabian SC, Knörnschild M.   +3 more
europepmc   +1 more source

Multispectral near-infrared spectroscopy study evaluating the effect of razor design on shaving-induced erythema. [PDF]

Skin Res Technol
Boodoo C, Duta D, Swift N, Hunter P, Khimchenko A, Leung G, Cross K.   +6 more
europepmc   +1 more source

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Optical measurements of chatter marks

Wear, 1986
Abstract When testing geometrical elements of machined components one distinguishes between form, waviness and roughness. To describe the roughness there is a choice of parameters which cover various functions. To describe the form and waviness, there are only the peak-to-valley values.
N. Rau, G. Huebner
openaire   +1 more source

Optical Measuring Instrument for Chatter Marks

CIRP Annals, 1984
Summary A new instrument has been developed and is now in use on shop floor for inspecting chatter marks sometimes generated by the grinding and the ultra-precision machining process. The instrument is able to measure both geometrical waviness and fluctuation of glossiness of the finished surface.
Y. Sakai, S. Ogata, S. Asai, T. Hoshi
openaire   +1 more source

Self-Excited Chatter and its Marks in Turning

Journal of Engineering for Industry, 1984
Investigations were made on self-excited chatter of the work which is held at one end on a lathe machine. Analysis was carried out by a two-degrees-of-freedom system. It was verified that introduction of the multiple regenerative effect governs the finite amplitude of the vibration after it is excited.
T. Kaneko, H. Sato, Y. Tani, M. O-hori
openaire   +1 more source

Investigation of Control Methods of Chatter Vibration Based on Analysis of End-Milling Chatter Mark

Advanced Materials Research, 2015
Chatter vibration generated by coupling a work-piece, machine tools, and cutting tool is a serious problem for engineers. A regular pattern forms the machined surface when chatter vibration occurs. There must be a direct relationship between the relative displacement and machined surface.
Ryosuke Shiota, Tatsuya Furuki, Toshiki Hirogaki, Eiichi Aoyama   +3 more
openaire   +1 more source

An diagnosis method of chatter marks based on PCA

2010 8th World Congress on Intelligent Control and Automation, 2010
Chatter mark on the surface of the cold rolled or skin passed steel strips will seriously depress the product quality. This paper deeply analysis the mechanism and data relationship of rolling plant, find out the process data information and variables related to chatter mark.
null Jian Zhang, null Shengxi Wu, null Jiazhuo Xu   +2 more
openaire   +1 more source