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Silent chain having links with sheared apertures and vanadium carbide coated pins

机译：静音链，链节带有剪切孔和碳化钒涂层销钉

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摘要

A silent chain consists of multiple link plates (2a,2b) carrying a pair of teeth (21) and apertures (22) which are connected by connecting pins (3) inserted into apertures (22) and equipped with guide links (4) on the outermost side of link plates. The profile irregularity of the apertures (22) and connecting pins (3) is in the range of 0.5 µm or lower, the length of the sheared surface of the aperture is in the range of 90% or higher of the axial length of the aperture, and a hardened vanadium carbide layer with a thickness of 20 µm or higher is formed on the connecting pin (3). In addition, the thickness of the outermost inside link plates is greater than the thickness of the remaining link plates and the thickness of the central link plates in the guide row is greater than thickness of the remaining link plates.

机译：无声链由多个链板（2a，2b）组成，链板带有一对齿（21）和孔（22），这些链板通过插入孔（22）中的连接销（3）连接并在其上配有导向链节（4）连接板的最外侧。孔（22）和连接销（3）的轮廓不规则度在0.5μm或更小范围内，孔的剪切表面的长度在孔的轴向长度的90％以上之后，在连接销（3）上形成厚度为20μm以上的碳化钒硬化层。另外，最外侧的内侧链节板的厚度大于其余链节板的厚度，并且引导排中的中央链节板的厚度大于其余链节板的厚度。

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公开/公告号EP0982515B1

专利类型
公开/公告日2003-10-08

原文格式PDF
申请/专利权人 BORGWARNER MORSE TEC JAPAN KK;HONDA GIJUTU KENKYUSHO KK;
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申请/专利号EP19990306578
发明设计人 YAKUBO KAZUSHIGEHONDA GIJUTSU KENKYUSHO KK;TADA NAOSUMI137 MINAMI 5 BANCHO TSUTSUJIGAOKA;NAKAMURA KENZAHONDA GIJUTSU KENKYUSHO KK;FUJIWARA AKIRAHONDA GIJUTSU KENKYUSHO KK;KAWASHIMA FUMINORIHONDA GIJUTSU KENKYUSHO KK;YOSHIDA YUKIO;
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申请日1999-08-20
分类号F16G3/04;
国家 EP
入库时间 2022-08-21 23:53:11

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