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1. 发明授权

US10118261B2 Method for manufacturing a gear 有权
公开(公告)号：US10118261B2
公开(公告)日：2018-11-06
申请号：US14644490
申请日：2015-03-11
申请人： Eaton Capital
发明人： Michael Killian
IPC分类号： B23K20/12 , B23P15/14 , B21K1/30 , B21K25/00 , F16H55/12 , F16H55/17 , B23K101/00
摘要： A method for manufacturing a gear includes providing a rim gear, a hub and a core wherein the core is annular and has a core forging temperature below a hot hardness temperature of the rim gear and the hub. The rim gear and the hub are rotated about an axis relative to the core. During the relative rotation, the rim gear and the hub are in contact with the core to generate friction heat to raise an interface temperature of the core to the core forging temperature. The hub is driven into the core to upset a first portion of the core into an outer annular groove defined in a first faying surface of the hub. The rim gear is driven over the core to upset a second portion of the core into an inner annular groove defined in a second faying surface of the rim gear.

2. 发明申请

US20150258642A1 METHOD FOR MANUFACTURING A GEAR 审中-公开
标题翻译：制造齿轮的方法
公开(公告)号：US20150258642A1
公开(公告)日：2015-09-17
申请号：US14644490
申请日：2015-03-11
申请人： Eaton Capital
发明人： Michael Killian
IPC分类号： B23P15/14 , B21K1/30
CPC分类号： B23P15/14 , B21K1/30 , B21K25/005 , B23K20/12 , B23K20/127 , B23K20/129 , B23K2101/008 , F16H55/12 , F16H55/17 , Y10T29/49467 , Y10T29/49474
摘要： A method for manufacturing a gear includes providing a rim gear, a hub and a core wherein the core is annular and has a core forging temperature below a hot hardness temperature of the rim gear and the hub. The rim gear and the hub are rotated about an axis relative to the core. During the relative rotation, the rim gear and the hub are in contact with the core to generate friction heat to raise an interface temperature of the core to the core forging temperature. The hub is driven into the core to upset a first portion of the core into an outer annular groove defined in a first faying surface of the hub. The rim gear is driven over the core to upset a second portion of the core into an inner annular groove defined in a second faying surface of the rim gear.
摘要翻译：一种制造齿轮的方法包括提供轮辋齿轮，轮毂和芯，其中所述芯是环形的并且具有低于轮辋齿轮和轮毂的热硬度温度的芯锻造温度。轮辋齿轮和轮毂围绕相对于芯部的轴线旋转。在相对旋转期间，轮辋齿轮和轮毂与芯接触以产生摩擦热，以将芯的界面温度升高到芯锻造温度。毂被驱动到芯中以将芯的第一部分压缩成限定在毂的第一拼接表面中的外部环形槽。轮辋齿轮被驱动在芯上以将芯的第二部分镦锻成限定在轮辋齿轮的第二配合表面中的内部环形槽。

3. 发明授权

US09468970B2 Method for manufacturing a gear 有权
标题翻译：制造齿轮的方法
公开(公告)号：US09468970B2
公开(公告)日：2016-10-18
申请号：US14141809
申请日：2013-12-27
申请人： Eaton Capital
发明人： Bulent Chavdar , Michael Killian , Eric Nshimiye , Thomas Stoltz
IPC分类号： B21K1/30 , B23P15/14 , B21J5/02 , B21J1/02
CPC分类号： B21K1/30 , B21J1/02 , B21J5/025 , B23P15/14 , Y10T29/49474 , Y10T29/4948
摘要： A method for manufacturing a gear includes forming a bi-material billet from a steel cylinder having a cylindrical wall, a first end closed with a first steel cap, and an open second end distal to the first end. The method includes disposing a core material other than steel into the steel cylinder, welding a second steel cap onto the steel cylinder to form the bi-material billet, and heating the cylindrical wall. The method includes a first forging blow on the heated billet or on a disk-shaped rough forging forged from the heated billet with a first closed blocker die to produce a partial toothed preform, and a second forging blow on the preform with a second closed blocker die to produce a netshape gear. The first closed blocker die has a die cavity including gear tooth forms, and the partial toothed preform includes a plurality of spaced gear teeth.
摘要翻译：一种制造齿轮的方法包括从具有圆柱形壁的钢瓶形成双材料钢坯，第一端用第一钢帽封闭，以及远离第一端的开口第二端。该方法包括将钢之外的芯材设置在钢瓶中，将第二钢帽焊接到钢瓶上以形成双材料坯料，并加热圆筒壁。该方法包括在被加热的坯料上或在加热的坯料上锻造的第一锻造锻造与第一闭合阻塞模具进行第一次锻造，以产生部分齿形预成型件，以及用第二闭合阻挡件在预制件上进行第二次锻造死于生产网状齿轮。第一闭合阻塞模具具有包括齿轮齿形的模腔，并且部分齿形预制件包括多个间隔开的齿轮齿。

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