Results 21 to 30 of about 1,477 (101)
Rack railways commonly operate under extreme conditions—steep gradients, heavy loads, and dry sliding—where wear of the gear–rack pair becomes a critical limitation to both safety and cost-effectiveness.
Haowei Yu +3 more
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ObjectiveTo address the issues of uneven residual compressive stress distribution and high surface roughness in gears after shot peening, this study investigates the effect of double shot peening on the surface integrity of 18CrNiMo7-6 carburized gear ...
WANG Zhen, SUN Hao, WANG Guohao
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Evolution of Inclusions in Gear Steel 18CrNiMo7-6 during 60t LF-VD Reflning Process
The metallurgical flowsheet for steel 18CrNiMo7-6 (/%: 0. 17C, 0. 57Mn, 0. 24Si, 0. 012P, 0. 003S, 1.70Cr, 1. 49Ni, 0. 28Mo) is 60t EAF-LF-VD-2.1t ingot.
刘金鑫 +4 more
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In order to study the influence of lubrication conditions on the scuffing damage of gear under low speed and heavy load, the meshing of gear teeth is simulated by a pair of ring specimens in rolling and sliding contact, and the scuffing tests of ...
Chao Chen +3 more
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Shot peening process is widely used in the manufacturing process of gears and other basic components, and its own limitations limit the enhancement of the surface integrity of the workpiece.
WANG Zhen +5 more
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Process flowsheet of test heavy gear steel 18CrNiMo7-6 (/% : 0.165C , 0.59Mn, 0.24Si, 0.006S, 0.008P, 1.56Ni, 1.71Cr, 0.28Mo, 0.034Al, 0.0129N) is 60 t UHP EAF-LF-VD-12.5 t ingot casting process.
刘金鑫 +5 more
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Gradient Microstructure in a Gear Steel Produced by Pressurized Gas Nitriding. [PDF]
A tempered martensitic gear steel (18CrNiMo7-6) sample was nitrided on two sides using a 5 atm pressurized gas at 530 °C for five hours. The nitrided sample was characterized by means of microhardness, X-ray diffraction, scanning electron microscopy, and
Yang R +5 more
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Effect of dressing with form grinding wheel on grinding surface integrity of 18CrNiMo7-6 steel
In order to explore the influence of dressing process parameters, such as dressing depth ad, axial feed speed fd and dressing speed ratio qd, on the grinding surface integrity of 18CrNiMo7-6 gear steel, orthogonal experiments were conducted for shaping ...
Wei GAO +4 more
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Loading capacity of POM gear under oil lubrication
As one of the most common polymer materials, POM gear has been widely applied in automatic transmission boxes, intelligent house devices, etc. Though the mechanical properties of POM material have been extensively studied, the loading capacity and ...
Bingbing ZHONG +4 more
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Effect of carburizing process on high cycle fatigue behavior of 18CrNiMo7-6 steel
Carburizing heat treatment is widely used in the fabrication of gears to improve their fatigue performance. The effects of carburizing process on the material properties surface hardness, residual stresses, retained austenite of case-hardened 18CrNiMo7-6 ...
Shengwei Qin +4 more
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