公开(公告)号：WO2015140647A3

公开(公告)日：2016-03-03

申请号：PCT/IB2015001136

申请日：2015-03-11

Applicant: EATON CAPITAL

Inventor： KILLIAN MICHAEL

IPC: B23K20/12 ,  B21K1/30 ,  B21K25/00 ,  B23K101/00 ,  B23P15/14 ,  F16H55/12 ,  F16H55/17

CPC classification number: B23P15/14 ,  B21K1/30 ,  B21K25/005 ,  B23K20/12 ,  B23K20/127 ,  B23K20/129 ,  B23K2201/008 ,  F16H55/12 ,  F16H55/17 ,  Y10T29/49467 ,  Y10T29/49474

Abstract: A method of manufacturing a gear (20") includes providing a rim gear (14"), a hub (10") and a core (12"), wherein the core (12") is annular and has a core forging temperature below a hot hardness temperature of the rim gear (14") and the hub (10"). The rim gear (14") and the hub (10") are rotated about an axis relative to the core (12"). During the relative rotation, the rim gear (14") and the hub (10") are in contact with the core (12") to generate friction heat to raise an interface temperature of the core (12") to the core forging temperature. The hub (10") is driven into the core (12") to upset a first portion of the core (12") into an outer annular groove defined in a first faying surface of the hub (10"). The rim gear (14") is driven over the core (12") to upset a second portion of the core (12") into an inner annular groove defined in a second faying surface of the rim gear (14").

Abstract translation: 一种制造齿轮（20“）的方法包括提供轮辋齿轮（14”），轮毂（10“）和芯部（12”），其中所述芯部（12“）是环形的并且具有低于 轮辋齿轮（14“）和轮毂（10”）的热硬度温度，轮辋齿轮（14“）和轮辋（10”）围绕相对于铁心（12“）的轴线旋转。 在相对旋转期间，轮辋齿轮（14“）和轮毂（10”）与铁心（12“）接触以产生摩擦热，以将铁心（12”）的界面温度升高到铁芯锻造温度 。 毂（10“）被驱动到芯部（12”）中以将芯部（12“）的第一部分压缩成限定在毂（10”）的第一接合表面中的外部环形槽。 轮辋齿轮（14“）被驱动在芯部（12”）上，以将芯部（12“）的第二部分压缩成限定在轮辋齿轮（14”）的第二接合表面中的内部环形槽。

公开(公告)号：WO2014191841A3

公开(公告)日：2015-05-14

申请号：PCT/IB2014001880

申请日：2014-05-21

Applicant: EATON CAPITAL

Inventor： CHAVDAR BULENT ,  KILLIAN MICHAEL ,  NSHIMIYE ERIC ,  STOLTZ THOMAS

IPC: B23P15/14 ,  B21J1/02 ,  B21J5/02 ,  B21K1/30

CPC classification number: B21K1/30 ,  B21J1/02 ,  B21J5/025 ,  B23P15/14 ,  Y10T29/49474 ,  Y10T29/4948

Abstract: A method for manufacturing a gear includes forming a bi- material billet from a steel cylinder (13) 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 (30) other than steel into the steel cylinder (13), 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.

Abstract translation: 一种制造齿轮的方法包括从具有圆柱形壁的钢制圆柱体（13）形成双材料坯料，第一端部用第一钢盖封闭，第二端部远离第一端部。 该方法包括将不同于钢的芯材（30）设置到钢瓶（13）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用第一封闭的封闭模具锻造的圆盘形粗锻件进行第一锻造，以产生部分齿形预成型件，以及用第二闭合阻塞件在预制件上进行第二锻造 死去生产一个网状齿轮。 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。