WO2021056234A1 - 盘毂总成的加工工艺和盘毂总成 - Google Patents

盘毂总成的加工工艺和盘毂总成 Download PDF

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Publication number
WO2021056234A1
WO2021056234A1 PCT/CN2019/107692 CN2019107692W WO2021056234A1 WO 2021056234 A1 WO2021056234 A1 WO 2021056234A1 CN 2019107692 W CN2019107692 W CN 2019107692W WO 2021056234 A1 WO2021056234 A1 WO 2021056234A1
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Prior art keywords
hub
annular groove
disc hub
wear
corrosion
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PCT/CN2019/107692
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English (en)
French (fr)
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包顺程
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舍弗勒技术股份两合公司
包顺程
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Priority to CN201980025980.1A priority Critical patent/CN115667747A/zh
Priority to PCT/CN2019/107692 priority patent/WO2021056234A1/zh
Publication of WO2021056234A1 publication Critical patent/WO2021056234A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements

Definitions

  • the present invention relates to a disc hub, and in particular to a processing technology of a disc hub assembly and a disc hub assembly.
  • the partial nickel plating process firstly, the raw material of the driven hub is machined to form an outer peripheral surface with a proper shape, and then the flange is installed on the outer peripheral surface of the driven hub to form the driven hub assembly. Next, a spline is machined in the center hole of the driven disc hub, then only nickel is plated on the spline, and finally the driven disc hub assembly is phosphated.
  • the overall nickel plating process firstly, the raw material of the driven hub is machined to form an outer peripheral surface with an appropriate shape, and then a spline is machined in the center hole of the driven hub, and then the driven hub is plated with nickel. Then the outer peripheral surface of the driven disc hub is machined to remove the nickel layer, and then the flange is installed on the outer peripheral surface of the driven disc hub to form the driven disc hub assembly, and finally the driven disc hub assembly is phosphated. A few products use this process.
  • the partial nickel plating process requires a high level of technology, and only individual manufacturers have the ability to operate, and its cost is higher than the overall nickel plating process.
  • the spline of the driven hub may be deformed, so that the driven hub cannot be assembled with the shaft. Only a few driven hubs with larger wall thickness are used in this process. There is no major deformation and meets the requirements of shaft assembly.
  • the technical problem urgently to be solved by those skilled in the art is how to not only reduce the difficulty of the nickel plating process of the driven disk hub, but also prevent the deformation of the driven disk hub from affecting the assembly of the driven disk hub and the shaft.
  • the purpose of the present invention is to overcome or at least alleviate the above-mentioned shortcomings in the prior art, and provide a processing technology and a disk hub assembly for a disk hub assembly, which can not only reduce the difficulty of the disk hub plating process with anti-corrosion and wear resistance, but also avoid The deformation of the hub affects the assembly of the hub and the shaft.
  • the disc hub assembly includes a disc hub and a flange plate assembled together, and the outer peripheral surface of the disc hub has an installation part in contact with the flange disc, wherein,
  • the processing technology includes the following steps:
  • Pre-processing process machining the raw material of the hub to form the hub with a predetermined shape of the outer peripheral surface and the central hole;
  • Spline processing step machining internal splines on the inner peripheral surface of the disk hub
  • Anti-corrosion and wear-resistant layer plating process plating the disk hub with an anti-corrosion and wear-resistant layer
  • Anti-corrosion and wear-resistant layer removal process machining the outer peripheral surface of the hub to remove at least the anti-corrosion and wear-resistant layer of the mounting part;
  • annular groove is aligned with the installation position in the axial direction of the disk hub.
  • the grooving step is performed before the spline processing step, or the spline processing step is performed before the grooving step.
  • the annular groove has a groove bottom wall and two groove side walls, and the two groove side walls and the groove bottom wall transition in an arc.
  • the width of the annular groove is not less than the thickness of the flange, and the depth of the annular groove is not less than the height of the internal spline.
  • the depth of the annular groove is 1 mm to 2 mm, and the wall thickness of the disk hub is 3 mm to 4 mm.
  • the processing process further includes a phosphating process performed after the assembly process: phosphating the outer surfaces of the flange and the hub.
  • the processing process further includes a receiving groove processing step: processing a receiving groove recessed in the axial direction on the outer periphery of the disk hub, and the receiving groove opens toward the flange.
  • the anti-corrosion and wear-resistant layer is a nickel layer.
  • a disc hub assembly which includes a disc hub and a flange assembled together, the flange is press-fitted in the disc hub, the disc hub has a central hole, and the outer peripheral surface of the disc hub There is an installation site in contact with the flange, the inner peripheral surface of the disc hub has an internal spline and an annular groove coaxial with the center hole, and the annular groove is in contact with the disc hub in the axial direction The installation positions are aligned.
  • the depth of the annular groove is not less than the height of the internal spline, and the hub assembly is processed by the machining process of the hub assembly according to any one of the above technical solutions.
  • the annular groove is formed according to the above process, so that when the flange is assembled to the hub, the deformation will not appear on the inner spline, but at the position without the inner spline, so that the installation of the hub and the shaft will not be affected; Or if the annular groove is formed after the assembly process, the deformed part is removed, so that the installation of the hub and the shaft will not be affected. Moreover, the overall anti-corrosion and wear-resistant layer coating process is less difficult and cost-effective than the partial anti-corrosion and wear-resistant layer coating process, and the overall anti-corrosion and wear-resistant layer coating can be easily implemented.
  • Performing the grooving process first and then the spline processing process can avoid the occurrence of burrs on the inner peripheral surface of the disk hub when the spline processing process is performed first and then the grooving process, thereby avoiding the deburring process.
  • the annular groove covers the flange in the axial direction, which can more effectively avoid the deformation of the inner spline of the disc hub.
  • the annular groove has the function of guiding the shaft in the axial direction, which is more conducive to the matching of the outer spline of the shaft with the inner spline of the disk hub, and the arc-shaped transition can also effectively avoid stress concentration.
  • the depth of the annular groove is 1mm to 2mm, and the wall thickness of the disc hub is 3mm to 4mm, which takes into account the strength of the disc hub and the anti-deformation effect of the annular groove.
  • the receiving groove can be used to accumulate the amount of deformation of the disk hub.
  • FIG. 1 shows the process steps of the processing technology of the disc hub assembly of the present invention.
  • the hub 2 has a center hole 21, and the center hole 21 has an inner peripheral surface of the hub 2.
  • the disc hub 2 has an outer peripheral surface and a flange 23 protruding from the outer peripheral surface along the radial direction of the disc hub 2.
  • the outer peripheral surface of the disc hub 2 includes installation parts. When the flange disc 1 is assembled with the disc hub 2, the flange disc 1 Contact with the installation site.
  • Pre-processing process A machining the raw material of the hub 2 to form the hub 2 with a predetermined shape of the outer peripheral surface and the central hole 21;
  • Grooving process B machining the inner peripheral surface of the disk hub 2 to form an annular groove 22 on the inner peripheral surface, and the annular groove 22 is coaxial with the center hole 21 of the disk hub 2;
  • Spline machining process C machining (for example, broaching) the inner spline 25 of the disc hub 2 on the inner peripheral surface of the disc hub 2;
  • the process of plating the anti-corrosion and wear-resistant layer plating all of the disc hub 2 (including the inner and outer peripheral surfaces) with an anti-corrosion and wear-resistant layer, such as a nickel-plated layer.
  • Anti-corrosion and wear-resistant layer removal process D Machining the hub 2 to remove the anti-corrosion and wear-resistant layer of the installation part;
  • Assembly process E press-fit the flange 1 to the installation part of the hub 2 where the anti-corrosion and wear-resistant layer has been removed;
  • Phosphating process phosphating the outer surface of flange 1 and hub 2.
  • the hub assembly 3 is formed.
  • the depth of the annular groove 22 is not less than the height of the inner spline 25, that is, after the grooving step B and the spline processing step C are completed, the inner spline 25 that should be at the annular groove 22 is completely removed.
  • the annular groove 22 is aligned with the mounting position in the axial direction of the disk hub 2. It should be understood that both the mounting part and the annular groove 22 have a certain width in the axial direction, and “alignment” means that the center of the annular groove 22 in the axial direction is consistent with the center of the mounting part in the axial direction.
  • anti-corrosion and wear-resistant layer in addition to the nickel plating layer, other anti-corrosion and wear-resistant materials, such as zinc alloys, can also be plated to form an anti-corrosion and wear-resistant layer of other materials.
  • the annular groove 22 is formed according to the above process, so that when the flange 1 is assembled to the hub 2, the deformation does not occur in the inner spline 25, but occurs at the position without the inner spline 25, that is, the annular groove 22 is formed for
  • the deformed deformation zone does not affect the installation of the hub 2 and the shaft (for example, the input shaft of the transmission).
  • the overall anti-corrosion and wear-resistant layer coating process is less difficult and cost-effective than the partial anti-corrosion and wear-resistant layer coating process, and the overall anti-corrosion and wear-resistant layer coating can be easily implemented.
  • the grooving process B and the spline processing process C can be interchanged, and the above-mentioned beneficial effects can also be obtained.
  • the hub 2 is connected to, for example, an input shaft of a transmission via an internal spline 25, so that the engine torque is transmitted from the disc side of the clutch to the transmission side.
  • Plating an anticorrosive and wear-resistant layer on the inner spline 25 of the disc hub 2 can improve the durability of the surface of the inner spline 25, and improve the wear resistance and corrosion resistance of the surface of the inner spline 25.
  • the hardness of the anti-corrosion and wear-resistant layer is relatively large, and the bonding force with the flange 1 is small.
  • the installation part needs to be The anti-corrosion and wear-resistant layer is removed.
  • the outer peripheral surface located between the flange 23 and the end surface of the disk hub 2 may be processed to extend outward in the axial direction while gradually approaching the axis of the disk hub 2.
  • the flange 1 is close to the hub 2 and assembled with the hub 2.
  • the hub 2 abuts against the flange 23 in the axial direction, the hub 2 is assembled in place.
  • the outer diameter of the disc hub 2 is slightly larger than the inner diameter of the flange disc 1, and the disc hub 2 is press-fitted with the flange disc 1.
  • the outer surface of the hub assembly 3 (other surfaces other than the inner peripheral surface of the hub 2) has a phosphating layer.
  • the depth of the annular groove 22 may be 1 mm to 2 mm, and the wall thickness of the disk hub 2 may be 3 mm to 4 mm, so as to take into account the strength of the disk hub 2 and the anti-deformation effect of the annular groove 22.
  • a receiving groove 23 on the outer periphery of the disk hub 2, for example, on the flange 23 of the disk hub 2, a receiving groove 23 recessed in the axial direction is processed, and the receiving groove 23 opens toward the flange 1.
  • the accommodating groove 23 accommodates the extruded material to provide a storage space for the amount of deformation of the hub 2.
  • Performing the grooving process B before the spline processing process C also has the following beneficial effects: avoiding the occurrence of burrs on the inner peripheral surface of the disk hub 2 when the spline processing process C is performed first and then the grooving process B is performed, thereby avoiding the deburring process .
  • the width of the annular groove 22 may not be less than the thickness of the flange plate 1.
  • the thickness of the flange plate 1 is equal to the width of the above-mentioned mounting part, so that the annular groove 22 covers the flange plate 1 in the axial direction, which can more effectively avoid the disc hub
  • the inner spline 25 of 2 is deformed.
  • the annular groove 22 has a groove bottom wall and two groove side walls.
  • the groove side walls are arranged oppositely along the axial direction of the disk hub 2.
  • the groove bottom wall is located between the two groove side walls in the axial direction. The arc transition of the bottom wall of the groove.
  • the annular groove 22 has the function of guiding the shaft in the axial direction, which is more conducive to the matching of the external splines of the input shaft and the internal splines 25 of the disk hub 2, and the arc-shaped transition can also effectively avoid stress concentration.
  • Figure 1 from left to right is: pre-processing process A, grooving process B, spline processing process C, anti-corrosion and wear-resistant layer removal process D, assembly process E, eliminating the need for anti-corrosion and wear-resistant coating process and Phosphating process.
  • the steps A to E are marked herein, but the steps A to E do not have a sequence unless otherwise specified, and the sequence of the steps can be changed without violating the principles of the present disclosure.
  • the grooving process B is performed after the spline processing process C, and the grooving process B is performed after the assembly process E.
  • disc hub 2 in the present disclosure may be, for example, a driven disc hub of a clutch.

Abstract

一种盘毂总成的加工工艺和盘毂总成，盘毂（2）的外周面具有与法兰盘（1）接触的安装部位，加工工艺包括：预加工工序（A）：机加工盘毂（2）的原材料；切槽工序（B）：机加工盘毂（2）的内周面以在内周面形成环形槽（22），环形槽（22）与中心孔（21）同轴；花键加工工序（C）：在盘毂（2）的内周面机加工内花键（25）；在上述工序之后按次序进行：镀防腐耐磨层工序：对所述盘毂（2）镀防腐耐磨层；防腐耐磨层去除工序（D）：机加工盘毂（2）的外周面从而去除至少安装部位的防腐耐磨层；以及组装工序（E）：将法兰盘（1）压嵌到被去除了防腐耐磨层的安装部位；环形槽（22）的深度不小于内花键（25）的高度，环形槽（22）在盘毂（2）的轴向上与安装部位对齐。该工艺降低了镀防腐耐磨层工艺的难度，避免盘毂的变形影响其与轴的装配。

Description

盘毂总成的加工工艺和盘毂总成 技术领域
本发明涉及盘毂，且特别地涉及一种盘毂总成的加工工艺和盘毂总成。
背景技术
加工从动盘毂总成时，需要将完成镀镍的从动盘毂与法兰盘组装，目前，针对从动盘毂的镀镍工艺存在以下两种方案：
第一，局部镀镍工艺：首先机加工出从动盘毂的原材料以形成具有恰当形状的外周面，然后将法兰盘安装在从动盘毂的外周面从而形成从动盘毂总成，接着在从动盘毂的中心孔加工出花键，接着仅仅在花键上镀镍，最后对从动盘毂总成进行磷化处理。
第二，整体镀镍工艺：首先机加工从动盘毂的原材料以形成具有恰当形状的外周面，然后在从动盘毂的中心孔加工出花键，接着对从动盘毂整体镀镍，接着机加工从动盘毂的外周面去除镍层，接着将法兰盘安装在从动盘毂的外周面从而形成从动盘毂总成，最后对从动盘毂总成进行磷化处理。少数的产品采用了这种工艺。
局部镀镍的工艺需要很高的技术水平，只有个别的厂商具有操作的能力，其成本较整体镀镍工艺高。
在整体镀镍工艺中，在安装了法兰盘之后，从动盘毂的花键可能变形，从而从动盘毂无法与轴装配，只有少数壁厚较大的从动盘毂在该工序中不会发生较大的变形而符合与轴装配的要求。
亟待本领域技术人员解决的技术问题是，如何既能够降低从动盘毂镀镍工艺的难度，又能够避免从动盘毂的变形影响从动盘毂与轴的装配。
发明内容
本发明的目的在于克服或至少减轻上述现有技术存在的不足，提供一种盘毂总成的加工工艺和盘毂总成，既能够降低盘毂镀防腐耐磨层工艺的难度，又能够避免盘毂的变形影响盘毂与轴的装配。
提供一种盘毂总成的加工工艺，所述盘毂总成包括组装在一起的盘毂和法兰盘，所述盘毂的外周面具有与所述法兰盘接触的安装部位，其中，所述加工工艺包括以下工序：
预加工工序：机加工所述盘毂的原材料以形成具有预定形状的外周面和中心孔的所述盘毂；
切槽工序：机加工所述盘毂的内周面以在所述内周面形成环形槽，所述环形槽与所述中心孔同轴；
花键加工工序：在所述盘毂的所述内周面机加工内花键；
在上述工序之后按次序进行以下工序：
镀防腐耐磨层工序：对所述盘毂镀防腐耐磨层；
防腐耐磨层去除工序：机加工所述盘毂的外周面从而去除至少所述安装部位的防腐耐磨层；以及
组装工序：将所述法兰盘压嵌到被去除了所述防腐耐磨层的所述安装部位；
其中，所述环形槽在所述盘毂的轴向上与所述安装部位对齐。
在至少一个实施方式中，在所述花键加工工序之前进行所述切槽工序，或者，在所述切槽工序之前进行所述花键加工工序。
在至少一个实施方式中，所述环形槽具有槽底壁和两个槽侧壁，所述两个槽侧壁和所述槽底壁圆弧过渡。
在至少一个实施方式中，所述环形槽的宽度不小于所述法兰盘的厚度， 所述环形槽的深度不小于所述内花键的高度。
在至少一个实施方式中，所述环形槽的深度为1mm至2mm，所述盘毂的壁厚为3mm至4mm。
在至少一个实施方式中，所述加工工艺还包括在所述组装工序之后进行的磷化工序：对所述法兰盘和所述盘毂的外表面进行磷化处理。
在至少一个实施方式中，所述加工工艺还包括容纳槽加工工序：在所述盘毂的外周部加工出沿所述轴向凹陷的容纳槽，所述容纳槽朝所述法兰盘开口。
在至少一个实施方式中，所述防腐耐磨层为镍层。
还提供一种盘毂总成，其包括组装在一起的盘毂和法兰盘，所述法兰盘压嵌于所述盘毂，所述盘毂具有中心孔，所述盘毂的外周面具有与所述法兰盘接触的安装部位，所述盘毂的内周面具有内花键和与所述中心孔同轴的环形槽，所述环形槽在所述盘毂的轴向上与所述安装部位对齐。
在至少一个实施方式中，所述环形槽的深度不小于所述内花键的高度，盘毂总成采用根据上述技术方案中任一项所述的盘毂总成的加工工艺加工而成。
上述技术方案至少能够获得以下有益效果：
按照上述工序形成环形槽，从而当法兰盘组装到盘毂时，变形不会出现在内花键上，而是出现在没有内花键的位置，从而不会影响盘毂与轴的安装；或者如果在组装工序之后形成环形槽，那么变形的部分被去除，从而也不会影响盘毂与轴的安装。而且，整体镀防腐耐磨层工艺比局部镀防腐耐磨层工艺的难度低、成本低，可以容易地实施整体镀防腐耐磨层。
上述技术方案还可以获得以下有益效果：
先进行切槽工序后进行花键加工工序，这能够避免先进行花键加工工序 后进行切槽工序时在盘毂的内周面产生毛刺，从而避免进行去毛刺工序。
环形槽在轴向上覆盖法兰盘，这可以更有效地避免盘毂的内花键变形。
环形槽具有在轴向上导向轴的作用，更利于轴的外花键与盘毂的内花键匹配，而且，圆弧形的过渡还能够有效地避免应力集中。
环形槽的深度为1mm至2mm，盘毂的壁厚为3mm至4mm，这兼顾了盘毂的强度和环形槽的防变形效果。
容纳槽可以用于堆积盘毂的变形量。
附图说明
图1示出了本发明的盘毂总成的加工工艺的工序。
附图标记说明：
1法兰盘、2盘毂、21中心孔、22环形槽、23凸缘、24容纳槽、25内花键、3盘毂总成；
A预加工工序、B切槽工序、C花键加工工序、D防腐耐磨层去除工序、E组装工序。
具体实施方式
下面参照附图描述本发明的示例性实施方式。
如图1所示，盘毂2具有中心孔21，中心孔21具有盘毂2的内周面。盘毂2具有外周面和沿盘毂2的径向从外周面凸出的凸缘23，盘毂2的外周面包括安装部位，当法兰盘1与盘毂2组装时，法兰盘1与该安装部位接触。
在加工盘毂总成3时可以依次进行以下工序：
预加工工序A：机加工盘毂2的原材料以形成具有预定形状的外周面和中心孔21的盘毂2；
切槽工序B：机加工盘毂2的内周面以在内周面形成环形槽22，环形槽22 与盘毂2的中心孔21同轴；
花键加工工序C：在盘毂2的内周面机加工(例如，拉刀加工)盘毂2的内花键25；
镀防腐耐磨层工序：对盘毂2的全部(包括内周面和外周面)镀防腐耐磨层，比如镀镍层。
防腐耐磨层去除工序D：机加工盘毂2从而去除该安装部位的防腐耐磨层；
组装工序E：将法兰盘1压嵌到盘毂2的被去除了防腐耐磨层的安装部位；
磷化工序：对法兰盘1和盘毂2的外表面进行磷化处理。
经过以上工序，形成盘毂总成3。
环形槽22的深度不小于内花键25的高度，即在完成切槽工序B和花键加工工序C之后，完全地去除了本应在环形槽22处的内花键25。
环形槽22在盘毂2的轴向上与安装部位对齐。应当理解，安装部位和环形槽22沿轴向均具有一定的宽度，“对齐”是指，环形槽22在轴向上的中心与安装部位在轴向上的中心一致。
在镀防腐耐磨层工序中，除镀镍层之外，还可以镀其他的防腐耐磨材料，比如锌合金等，从而形成其他材料的防腐耐磨层。
按照上述工序形成环形槽22，从而当法兰盘1组装到盘毂2时，变形不发生于内花键25，而是发生在没有内花键25的位置，即环形槽22形成了用于变形的变形区，从而不会影响盘毂2与轴(例如变速器的输入轴)的安装。而且，整体镀防腐耐磨层工艺比局部镀防腐耐磨层工艺的难度低、成本低，可以容易地实施整体镀防腐耐磨层。
在其他实施方式中，可以调换切槽工序B和花键加工工序C，同样也可以获得上述有益效果。
盘毂2通过内花键25与例如变速器的输入轴连接，这样将发动机转矩从离合器的盘侧传递到变速箱侧。在盘毂2的内花键25上镀防腐耐磨层能够提升内花键25表面的耐用性，提高内花键25表面的耐磨程度和抗腐蚀程度。
防腐耐磨层的硬度较大，而且与法兰盘1之间的结合力较小，为了避免防腐耐磨层给法兰盘1与盘毂2的组装带来的不利影响，需要将安装部位的防腐耐磨层去除。
在预加工工序A中，可以将位于盘毂2的凸缘23与端面之间的外周面加工成沿轴向向外延伸的同时逐渐靠近盘毂2的轴线。
在防腐耐磨层去除工序D中，可以不仅仅去除安装部位的防腐耐磨层，还可以去除更大范围的防腐耐磨层。
在组装工序E中，法兰盘1靠近盘毂2，并与盘毂2组装，当盘毂2在轴向上抵靠凸缘23时，盘毂2组装到位。盘毂2的外径稍大于法兰盘1的内径，盘毂2与法兰盘1压嵌配合。
在磷化工序中，在盘毂总成3的外表面(除盘毂2的内周面以外的其他表面)具有磷化层。
环形槽22的深度可以为1mm至2mm，盘毂2的壁厚可以为3mm至4mm，从而兼顾盘毂2的强度和环形槽22的防变形效果。
还可以具有容纳槽加工工序：在盘毂2的外周部，例如盘毂2的凸缘23上，加工出沿轴向凹陷的容纳槽23，该容纳凹槽23朝向法兰盘1开口。当法兰盘1与盘毂2组装时，盘毂2的部分材料会被挤出，容纳槽23容纳这些被挤出的材料，为盘毂2的变形量提供堆积空间。
在花键加工工序C之前进行切槽工序B还具有以下有益效果：避免先进行花键加工工序C后进行切槽工序B时在盘毂2的内周面产生毛刺，从而避免进行去毛刺工序。
环形槽22的宽度可以不小于法兰盘1的厚度，法兰盘1的厚度等于上述安装部位的宽度，使环形槽22在轴向上覆盖法兰盘1，这可以更有效地避免盘毂2的内花键25变形。
环形槽22具有槽底壁和两个槽侧壁，槽侧壁沿盘毂2的轴向相对地设置，槽底壁在轴向上位于两个槽侧壁之间，两个槽侧壁和槽底壁圆弧过渡。
这样，环形槽22具有在轴向上导向轴的作用，更利于输入轴的外花键与盘毂2的内花键25匹配，而且，圆弧形的过渡还能够有效地避免应力集中。
本实施方式以盘毂2和法兰盘1均由碳素结构钢制成为例进行说明。
应当理解，图1从左至右依次为：预加工工序A、切槽工序B、花键加工工序C、防腐耐磨层去除工序D、组装工序E，省去了镀防腐耐磨层工序和磷化工序。
应当理解，本文以A至E标记各工序，但是在未特别说明的情况下工序A至E不具有先后次序，可以在不违背本公开发明原理的前提下调换各工序次序。例如，在花键加工工序C之后进行切槽工序B，在组装工序E之后进行切槽工序B。
应当理解，本公开中的盘毂2例如可以为离合器的从动盘毂。
当然，本发明不限于上述实施方式，本领域技术人员在本发明的教导下可以对本发明的上述实施方式做出各种变型，而不脱离本发明的范围。

Claims (10)

  1. 一种盘毂总成的加工工艺，所述盘毂总成包括组装在一起的盘毂(2)和法兰盘(1)，所述盘毂(2)的外周面具有与所述法兰盘(1)接触的安装部位，其中，所述加工工艺包括以下工序：
    预加工工序(A)：机加工所述盘毂(2)的原材料以形成具有预定形状的外周面和中心孔(21)的所述盘毂(2)；
    切槽工序(B)：机加工所述盘毂(2)的内周面以在所述内周面形成环形槽(22)，所述环形槽(22)与所述中心孔(21)同轴；以及
    花键加工工序(C)：在所述盘毂(2)的所述内周面机加工内花键(25)；
    在上述工序之后按次序进行以下工序：
    镀防腐耐磨层工序：对所述盘毂(2)镀防腐耐磨层；
    防腐耐磨层去除工序(D)：机加工所述盘毂(2)的外周面从而去除至少所述安装部位的防腐耐磨层；以及
    组装工序(E)：将所述法兰盘(1)压嵌到被去除了所述防腐耐磨层的所述安装部位；
    其中，所述环形槽(22)在所述盘毂(2)的轴向上与所述安装部位对齐。
  2. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，在所述花键加工工序(C)之前进行所述切槽工序(B)，或者，在所述切槽工序(B)之前进行所述花键加工工序(C)。
  3. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述环形槽(22)具有槽底壁和两个槽侧壁，所述两个槽侧壁和所述槽底壁圆弧过渡。
  4. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述环形槽(22)的宽度不小于所述法兰盘(1)的厚度，所述环形槽(22)的深度不小于所述内花键(25)的高度。
  5. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述环形槽(22)的深度为1mm至2mm，所述盘毂(2)的壁厚为3mm至4mm。
  6. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述加工工艺还包括在所述组装工序(E)之后进行的磷化工序：对所述法兰盘(1)和所述盘毂(2)的外表面进行磷化处理。
  7. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述加工工艺还包括容纳槽加工工序：在所述盘毂(2)的外周部加工出沿所述轴向凹陷的容纳槽(24)，所述容纳槽(24)朝所述法兰盘(1)开口。
  8. 根据权利要求1所述的盘毂总成的加工工艺，其特征在于，所述防腐耐磨层为镍层。
  9. 一种盘毂总成，其包括组装在一起的盘毂(2)和法兰盘(1)，所述法兰盘(1)压嵌于所述盘毂(2)，所述盘毂(2)具有中心孔(21)，所述盘毂(2)的外周面具有与所述法兰盘(1)接触的安装部位，所述盘毂(2)的内周面具有内花键(25)和与所述中心孔(21)同轴的环形槽(22)，所述环形槽(22)在所述盘毂(2)的轴向上与所述安装部位对齐。
  10. 根据权利要求9所述的盘毂总成，所述环形槽(22)的深度不小于所述内花键(25)的高度，所述盘毂总成采用根据权利要求1至8中任一项所述的盘毂总成的加工工艺加工而成。
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