Results 1 to 10 of about 241,686 (283)
Research on Cutting Load and Heat Generation Law of PDC Wearing Cutter
Shiyou jixie, 2021 At present, there is no further researches on the cutting load and heat generation of worn PDC cutter under different front rake angles and different wear grades. For this reason, single cutter cutting tests are used to verify the relevant performance of
Zhu Guanghui, Kuang Yuchun, Lin Wei
doaj
BuildingsAccurate evaluation of cutter life at different cutter positions on the cutter head is helpful to determine the time of cutter change and reduce the time of cutter wear measurement, which is of great significance to improve the tunneling efficiency of ...
Jianping Liu +4 more
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Design and Development of an Oil Palm Fresh Fruit Bunch Cutting Device [PDF]
, 1997 A study was conducted with the objective to investigate the effect of cutter design, cutting angle and frond maturity on specific cutting force and energy requirement per unit cut area for cutting oil palm fronds.
Jelani, Abdul Razak
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Foam-machining tool with eddy-current transducer [PDF]
, 1975 Three-cutter machining system for foam-covered tanks incorporates eddy-current sensor. Sensor feeds signal to numerical controller which programs rotational and vertical axes of sensor travel, enabling cutterhead to profile around tank ...
Copper, W. P.
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Shiyou jixieWhen the PDC bit is used to drill conglomerate formations， the frequent impact loads reduce the expected life of PDC cutter， leading to frequent bit changes and ultimately affecting drilling efficiency.
Shi Jiangang +5 more
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Open Access Sugar Cookie Recipe
, 2014 A family recipe provided by Janelle Wertzberger, Director of Reference and Instruction. This is the perfect sugar cookie recipe to use with your open access cookie cutter.
Musselman Library,
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, 1971 An apparatus for sampling rock and other brittle materials and for controlling resultant particle sizes is described. The device includes grinding means for cutting grooves in the rock surface and to provide a grouping of thin, shallow, parallel ridges ...
Blum, P.
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Numerical Analysis of the Influence of PDC Cutting Edge Radius on Temperature Distribution
Shiyou jixie, 2020 The temperature generated during the rock cutting process is the important factors that affect the cutting efficiency and service life of the cutter. The temperature distribution model of the interaction between the arc cutter and the rock is established.
Zheng Guojing +3 more
doaj
Improved burst disk/cutter assembly [PDF]
, 1970 Burst disk/cutter, prewelded before assembly, eliminates external leakage into a vacuum annulus and provides a means for more accurate burst-pressure prediction.
Martinez, J.
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Physical and Mechanical Properties of Palm Oil Frond and Stem Bunch for Developing Pruner and Harvester Machinery Design [PDF]
, 2013 A development of oil palm pruner and harvester machinery design implemented in the field still faces a problem due to the lack of effective and efficient design which is need to be solved.
Hamdi, Mayulu +2 more
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