CN114434114A - Transmission shaft machining process - Google Patents
Transmission shaft machining process Download PDFInfo
- Publication number
- CN114434114A CN114434114A CN202011194357.XA CN202011194357A CN114434114A CN 114434114 A CN114434114 A CN 114434114A CN 202011194357 A CN202011194357 A CN 202011194357A CN 114434114 A CN114434114 A CN 114434114A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- main body
- shaft main
- turning
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
- 238000003754 machining Methods 0.000 title claims abstract description 14
- 238000007514 turning Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000005121 nitriding Methods 0.000 claims abstract description 10
- 239000011265 semifinished product Substances 0.000 claims abstract description 10
- 238000005496 tempering Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 238000005242 forging Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 229910001339 C alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Forging (AREA)
Abstract
The invention relates to a transmission shaft processing technology, which comprises a processing technology for a transmission shaft body and a processing technology for installing a shaft head and a universal joint at two ends of the transmission shaft body; the integral processing technology comprises the following steps: selecting materials to prepare a pre-formed blank, preparing a semi-finished product, normalizing, roughly turning and tempering, finely turning and hobbing, performing ion nitriding treatment, detecting a flaw, installing a shaft head and installing a universal joint. The invention aims to overcome the defects in the prior art and provide a transmission shaft machining process which is more perfect and higher in precision.
Description
Technical Field
The invention relates to the field of transmission shaft manufacturing, in particular to a transmission shaft machining process.
Background
The transmission shaft is an important part for transmitting power in an automobile transmission system, and for a front engine rear wheel driven automobile, the transmission shaft transmits the rotation of a speed changer to a shaft of a main speed reducer, and can be a plurality of joints, and the joints can be connected by universal joints. The specific working principle is that the power of an engine is transmitted to wheels together with a gearbox and a drive axle, so that the automobile generates driving force. The transmission shaft is used as a rotating body with high rotating speed and less support, and each part of the transmission shaft is of great importance, so the machining precision and the machining process of each component part can directly influence the service life of the transmission shaft at the later stage, and therefore, the design of a more perfect and higher-precision transmission shaft machining process is necessary.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a transmission shaft machining process which is more perfect and higher in precision.
The technical scheme for realizing the purpose of the invention is as follows: a transmission shaft machining process comprises a transmission shaft body machining process and machining processes that a shaft head and a universal joint are installed at two ends of the transmission shaft body; the integral processing technology comprises the following steps:
a 1: selecting materials to prepare a preformed blank, selecting processing materials of a transmission shaft main body, and pressing the processing materials into the preformed blank with a margin according to a drawing;
a 2: preparing a semi-finished product, heating and sintering the prepared preform to prepare a sintered body, and then performing hot forging treatment to prepare a primary blank;
a 3: normalizing, namely putting the prepared semi-finished product into a heating furnace for heating, preserving heat for 2 hours, and taking out the semi-finished product after the furnace body is cooled to normal temperature;
a 4: carrying out rough turning tempering, carrying out appearance rough turning on the transmission shaft main body after the normalizing treatment, reserving allowance in the rough turning process, and carrying out quenching and high-temperature tempering treatment on the transmission shaft main body after the rough turning in sequence;
a 5: finish turning gear hobbing, further turning the transmission shaft main body after rough turning and tempering and processing a transmission shaft spline through gear hobbing;
a 6: performing ion nitriding treatment, namely performing ion nitriding on the transmission shaft main body subjected to finish turning and gear hobbing and performing stress relief treatment;
a 7: flaw detection, namely carrying out flaw detection on the transmission shaft main body subjected to ion nitriding and recording data parameters;
a 8: the shaft head installation is that the shaft heads are pressed into two ends of the transmission shaft main body, and the connection points of the shaft heads and the transmission shaft main body are welded;
a 9: and mounting a universal joint on the shaft head.
Preferably, the main body material of the transmission shaft is a low-carbon alloy steel material.
Preferably, the forging forming is carried out before the forging forming and with allowance according to the design size.
After the technical scheme is adopted, the invention has the following positive effects:
(1) the transmission shaft main body with higher precision and stronger integral rigidity is manufactured by the process, and the integral service life of the transmission shaft is prolonged to a great extent.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a perspective view of a propeller shaft.
The reference numbers in the drawings are as follows: the transmission shaft comprises a transmission shaft body 10, a shaft head 20 and a universal joint 30.
Detailed Description
Referring to fig. 1, the present invention provides a process for manufacturing a propeller shaft, which includes a process for manufacturing a propeller shaft body 10 and processes for manufacturing a shaft head 20 and a universal joint 30 mounted at both ends of the propeller shaft body 10; the integral processing technology comprises the following steps:
a 1: selecting materials to prepare a preformed blank, selecting processing materials of the transmission shaft main body 10, and pressing the processing materials into the preformed blank with a margin according to a drawing;
a 2: preparing a semi-finished product, heating and sintering the prepared preform to prepare a sintered body, and then performing hot forging treatment to prepare a primary blank;
a 3: normalizing, namely putting the prepared semi-finished product into a heating furnace for heating, keeping the temperature for 2 hours, and taking out the semi-finished product after the furnace body is cooled to normal temperature;
a 4: rough turning and tempering, namely performing appearance rough turning on the transmission shaft main body 10 subjected to the normalizing treatment, reserving allowance in the rough turning process, and sequentially performing quenching and high-temperature tempering on the transmission shaft main body 10 subjected to the rough turning;
a 5: finish turning gear hobbing, further turning the transmission shaft main body 10 after rough turning and tempering and processing a transmission shaft spline through gear hobbing;
a 6: performing ion nitriding treatment, namely performing ion nitriding on the transmission shaft main body 10 subjected to finish turning and gear hobbing and performing stress relief treatment;
a 7: flaw detection, namely performing flaw detection on the transmission shaft main body 10 subjected to ion nitriding and recording data parameters;
a 8: installing the shaft heads 20, pressing the shaft heads 20 into two ends of the transmission shaft main body 10, and welding connection points of the shaft heads 20 and the transmission shaft main body 10;
a 9: the universal joint 30 is mounted, and the universal joint 30 is mounted on the shaft head 20.
More specifically, in the present embodiment, the material of the transmission shaft main body 10 is a low-carbon alloy steel material.
More specifically, in this embodiment, the forging is performed before the forging and the forming, with a margin according to the design size.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A transmission shaft machining process comprises a machining process of a transmission shaft body (10) and a machining process of installing a shaft head (20) and a universal joint (30) at two ends of the transmission shaft body (10); the method is characterized in that: the integral processing technology comprises the following steps:
a 1: selecting materials to prepare a preformed blank, selecting processing materials of a transmission shaft main body (10), and pressing the processing materials into the preformed blank with a margin according to a drawing;
a 2: preparing a semi-finished product, heating and sintering the prepared preform to prepare a sintered body, and then performing hot forging treatment to prepare a primary blank;
a 3: normalizing, namely putting the prepared semi-finished product into a heating furnace for heating, keeping the temperature for 2 hours, and taking out the semi-finished product after the furnace body is cooled to normal temperature;
a 4: carrying out rough turning tempering, carrying out appearance rough turning on the transmission shaft main body (10) subjected to the normalizing treatment, reserving allowance in the rough turning process, and carrying out quenching and high-temperature tempering treatment on the transmission shaft main body (10) subjected to the rough turning in sequence;
a 5: finish turning gear hobbing, further turning the transmission shaft main body (10) after rough turning and tempering, and processing a transmission shaft spline through gear hobbing;
a 6: performing ion nitriding treatment, namely performing ion nitriding on the transmission shaft main body (10) subjected to finish turning and gear hobbing processing, and performing stress relief treatment;
a 7: flaw detection is carried out, wherein flaw detection is carried out on the transmission shaft main body (10) subjected to ion nitriding, and data parameters are recorded;
a 8: the shaft heads (20) are installed, the shaft heads (20) are pressed into two ends of the transmission shaft main body (10), and the connection points of the shaft heads (20) and the transmission shaft main body (10) are welded;
a 9: and mounting a universal joint (30), and mounting the universal joint (30) on the shaft head (20).
2. The method of claim 1, wherein: the transmission shaft main body (10) is made of low-carbon alloy steel materials.
3. The method of claim 1, wherein: and before the forging forming, a margin is reserved according to the design size, and the forging forming is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194357.XA CN114434114A (en) | 2020-10-30 | 2020-10-30 | Transmission shaft machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194357.XA CN114434114A (en) | 2020-10-30 | 2020-10-30 | Transmission shaft machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114434114A true CN114434114A (en) | 2022-05-06 |
Family
ID=81358313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011194357.XA Pending CN114434114A (en) | 2020-10-30 | 2020-10-30 | Transmission shaft machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114434114A (en) |
-
2020
- 2020-10-30 CN CN202011194357.XA patent/CN114434114A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220506 |
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| WD01 | Invention patent application deemed withdrawn after publication |