Results 71 to 80 of about 66,070 (300)
Variable-speed, portable routing skate [PDF]
, 1967 Lightweight, portable, variable-speed routing skate is used on heavy metal subassemblies which are impractical to move to a stationary machine. The assembly, consisting of the housing with rollers, router, and driving mechanism with transmission, weighs ...
Pesch, W. A.
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Advanced Engineering Materials, EarlyView.This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff +9 more
wiley +1 more source
Jixie chuandong, 2010 Tool path generation method is the most important and the most extensive and in-depth content for the free-form surface parts NC-machining. In the multi-axis NC-machining,tool path influences on the precision and efficiency of machining.
段振云, 王君, 赵文辉
doaj
Research on cylindrical indexing cam’s unilateral machining
Advances in Mechanical Engineering, 2015 The cylindrical cam ridge of the indexer is a spatial curved surface, which is difficult to design and machine. The cylindrical cam has some defects after machining because conventional machining methods have inaccuracies.
Junhua Chen +3 more
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Modeling of Convex Surface Topography in Milling Process
Metals, 2020 Cr12MoV die steel is a typical high-strength and high-hardness material. Because of the high hardness of Cr12MoV die steel, which is approximately 50–65 HRC after quenching, and the tool’s weak rigidity, cutting vibration, and tool deformation are ...
Xiaole Hao +5 more
doaj +1 more source
Optimization of pocket machining strategy in HSM [PDF]
, 2011 Our two major concerns, which should be taken into consideration as soon as we start the selecting the machining parameters, are the minimization of the machining time and the maintaining of the high-speed machining machine in good state.
Baili, Maher +3 more
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Advanced Engineering Materials, EarlyView.The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu +8 more
wiley +1 more source
Research of the Path Optimization for the NC Planing Process of the Spur Face-gear
Jixie chuandong, 2016 The principle of the NC planing process of the spur face-gear is briefly introduced,the equations of the tooth profile and the tooth cutter are derived,the mathematical relation between the tooth cutter angle and the allowance is established,and then,the
Qian Lulu, Yang Xiaoyu, Tang Jinyuan
doaj
Advanced Engineering Materials, EarlyView.Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin +5 more
wiley +1 more source
ANALYSIS OF MATHEMATICAL MODELS WORKING PROCESS MILLS ROAD WITH DESTRUCTION ASPHALT CONCRETE
Вестник СибАДИ, 2017 This article deals with the mathematical model of the working process of a road milling machine equipped with a system for controlling the loading of an internal combustion engine, the relationship between the torque on the shaft of the internal ...
S. D. Ignatov, N. S. Sherstnev
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