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    • 41. 发明申请
    • APPARATUS AND METHOD FOR STRENGTHENING GEAR TEETH
    • 装置和加强齿轮的方法
    • US20080032851A1
    • 2008-02-07
    • US11462165
    • 2006-08-03
    • Gregory Mordukhovich
    • Gregory Mordukhovich
    • F16H57/08
    • B23F19/00B21H5/022B23F17/005Y10T29/47Y10T29/477Y10T29/49462Y10T29/49467Y10T29/49476
    • An apparatus and method for increasing the operating life of a rotating gear element including a plurality of outwardly-projecting gear teeth each having an involute profile, with each gear tooth having a pair of flanks and a pair of generally semi-circular root portions. A ring tool having a plurality of hardened, inwardly-projecting burnishing teeth is employed to plastically deform only the root portions of the gear element being formed, while avoiding contact with the flanks as the gear element is passed through the ring tool. The ring tool also includes a plurality of broaching surfaces or cutting edges for removing excess stock material from the surfaces of the root portions. The ring tool increases the compressive residual stresses in the root portion of the gear element being formed, thereby creating an optimal residual stress profile and greater bending strength within the root portion of the gear element.
    • 一种用于增加旋转齿轮元件的使用寿命的装置和方法,该旋转齿轮元件包括多个向外突出的齿轮齿,每个齿轮具有渐开线轮廓,每个齿轮齿具有一对侧面和一对大致半圆形的根部。 使用具有多个硬化的向内突出的抛光齿的环形工具仅塑性变形所形成的齿轮元件的根部,同时在齿轮元件通过环形工具时避免与侧面接触。 环形工具还包括多个拉削表面或切削刃,用于从根部的表面去除多余的原料。 环形工具增加了正在形成的齿轮元件的根部中的压缩残余应力,从而在齿轮元件的根部部分中产生最佳的残余应力分布和更大的弯曲强度。
    • 43. 发明授权
    • Method of and apparatus for strengthening gear tooth
    • 用于加强齿轮齿的方法和装置
    • US5127246A
    • 1992-07-07
    • US655647
    • 1991-02-14
    • Shigetoshi Nakamura
    • Shigetoshi Nakamura
    • B23F17/00B23P9/02
    • B23F17/005B23P9/02
    • For strengthening teeth of a toothed wheel, the bottom lands of the toothed wheel are pushed by a stamping tool against a backup gear for thereby causing residual compressive stress at locations extending from the bottom lands to roots of the teeth. The stamping tool has stamping projections which are angled at the tips thereof to have tapering ends and brought into contact at the tapering ends with the bottom lands of the toothed wheel. The stamping tool is axially movable relative to the work such that the tapering ends are brought into contact with the bottom lands of the toothed wheel at locations which are different axially of the toothed wheel.
    • 为了加强齿轮的齿轮,齿轮的底部平台被冲压工具压靠在备用齿轮上,从而在从底部区域延伸到牙齿根部的位置处产生残留的压缩应力。 冲压工具具有在其尖端处成角度的冲压突起,以具有锥形端部,并且在锥形端部与齿轮的底部平台接触。 冲压工具相对于工件可轴向移动,使得锥形端部在与齿轮的轴向不同的位置处与齿轮的底部平台接触。
    • 49. 发明公开
    • A method and a machine for manufacturing crown or face gears
    • Verfahren und Maschine zum Herstellen vonKronenrädern。
    • EP0663256A1
    • 1995-07-19
    • EP94119174.4
    • 1994-12-05
    • FIATAVIO S.p.A.
    • Baima, AntonioBorio, GiuseppeDe Carlo, LeonardoBerruto, AurelioTolomei, RobertoBoscolo, Gianluigi
    • B23F15/06B23F23/12B23F19/10
    • B23F19/10B23F15/06B23F17/005B23F19/002B23F23/1262Y10T409/10477Y10T409/107791Y10T409/10795
    • A method for the manufacture of face or crown gears, in which a crown gear (2) adapted for meshing with a toothed pinion (3) is formed by means of a disc tool (32) having a cutting edge (38) exactly the same as the contour of the teeth of the pinion (3); the tool (32) being positioned so that its cutting edge (38) would be coincident, if the crown gear (2) were meshed with the pinion (3), with the contour of the teeth of the pinion (3) itself, and is pivoted about an axis (40) perpendicular to its own axis of rotation (35a); at the same time as the disc tool (32) is moved about the pivot axis (40), the crown gear (2) is moved translationally along a line of action (11) perpendicular to the axis of rotation (35a) of the disc tool (32) itself and is rotated about its own axis (14) perpendicular to the line of action (11); the ratio of the speeds of rotation of the crown gear (2) about its axis (14) and the speed of pivoting of the disc tool (32) about its axis (40) being variable in dependence on the position of the zone of contact of the disc (32) with the crown gear (2).
    • 一种用于制造面或冠齿轮的方法,其中适于与齿形小齿轮(3)啮合的冠齿轮(2)通过具有完全相同的切削刃(38)的圆盘工具(32)形成 作为小齿轮(3)的齿的轮廓; 如果冠齿轮(2)与小齿轮(3)啮合,则其工具(32)被定位成使得其切割边缘(38)将重合,其小齿轮(3)的齿轮轮廓本身,以及 围绕垂直于其自身的旋转轴线(35a)的轴线(40)枢转; 在圆盘工具(32)围绕枢转轴线(40)移动的同时,冠状齿轮(2)沿垂直于盘的旋转轴线(35a)的作用线(11)平移移动, 工具(32)本身并围绕其自身的轴线(14)垂直于作用线(11)旋转; 冠状齿轮(2)围绕其轴线(14)的旋转速度与盘形工具(32)围绕其轴线(40)的枢转速度的比率可根据接触区域的位置而变化 (32)与冠齿轮(2)的距离。