CN115351517B - Machining process for transmission planet carrier assembly - Google Patents
Machining process for transmission planet carrier assembly Download PDFInfo
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- CN115351517B CN115351517B CN202211276358.8A CN202211276358A CN115351517B CN 115351517 B CN115351517 B CN 115351517B CN 202211276358 A CN202211276358 A CN 202211276358A CN 115351517 B CN115351517 B CN 115351517B
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- 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
- B23P15/16—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass plates with holes of very small diameter, e.g. for spinning or burner nozzles
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Abstract
The invention discloses a processing technology of a transmission planet carrier assembly, which relates to the technical field of transmission part processing and comprises a spline cover processing procedure, a planet carrier processing procedure, a welding procedure and a planet carrier assembly processing procedure; the spline cover machining process comprises a spline cover rough turning process, a spline key drawing process, a heat treatment process, a spline cover finish turning process and a spline cover machining center process which are sequentially carried out, wherein a spline cover riveting groove is firstly drilled in the spline cover machining center process, and then a spline cover wheel axle hole is drilled; the planet carrier machining process comprises a planet carrier turning machining process and a planet carrier machining center process which are sequentially carried out, wherein a planet carrier wheel shaft hole is drilled in the planet carrier machining center process; the planet carrier assembly machining process comprises a planet carrier assembly turning machining process and a planet carrier assembly machining center process which are sequentially carried out, a planet carrier riveting groove is firstly drilled in the planet carrier assembly machining center process, and then the planet carrier axle hole and the spline cover axle hole are reamed. The invention greatly improves the finished product qualification rate of the planet carrier assembly.
Description
Technical Field
The invention relates to the technical field of transmission part processing, in particular to a processing technology of a planet carrier assembly of a transmission.
Background
The planet carrier assembly is one of the main components of the planetary gear transmission, and the planet axle is mounted on the planet carrier assembly. As shown in fig. 1 and fig. 2, generally, the planet carrier assembly includes a planet carrier 20 and a spline cover 10, the planet carrier 20 is provided with a planet carrier axle hole 22, a planet carrier riveting groove 24 is provided at the periphery of the planet carrier axle hole 22, the spline cover 10 is provided with a spline cover axle hole 12, the spline cover axle hole 12 is provided with a spline cover riveting groove 14 at the periphery thereof, the spline cover axle hole 12 and the planet carrier axle hole 22 are coaxially arranged, and a planet wheel axle is installed in the spline cover axle hole 12 and the planet carrier axle hole 22.
At present, the finished product percent of pass of the planet carrier assembly with the structure is low, and the problem that the planet carrier shaft is not pressed in place always exists in the pressing process of the planet carrier shaft, so that the planet carrier assembly cannot be used due to the fact that the planet carrier shaft cannot be normally assembled, the production period of the transmission is delayed, meanwhile, the serious waste of raw materials and labor cost is caused, and the economic benefit of an enterprise is reduced.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a transmission planet carrier assembly machining process, the finished product of the planet carrier assembly machined by the transmission planet carrier assembly machining process has high qualification rate, the normal assembly of a planet wheel shaft can be ensured, the production cycle of the transmission is ensured, meanwhile, the raw materials and labor cost are saved, and the economic benefit of enterprises is favorably improved.
In order to realize the purpose, the technical scheme of the invention is as follows:
a processing technology of a planet carrier assembly of a transmission comprises a spline cover processing procedure, a planet carrier processing procedure, a welding procedure and a planet carrier assembly processing procedure; the spline cover machining process comprises a spline cover rough turning process, a spline key drawing process, a heat treatment process, a spline cover finish turning process and a spline cover machining center process which are sequentially carried out, wherein a spline cover riveting groove is firstly drilled in the spline cover machining center process, and then a spline cover wheel axle hole is drilled; the planet carrier machining process comprises a planet carrier turning machining process and a planet carrier machining center process which are sequentially carried out, wherein a planet carrier wheel shaft hole is drilled in the planet carrier machining center process; the planet carrier assembly machining process comprises a planet carrier assembly turning machining process and a planet carrier assembly machining center process which are sequentially carried out, wherein a planet carrier riveting groove is firstly drilled in the planet carrier assembly machining center process, and then the planet carrier axle hole and the spline cover axle hole are simultaneously reamed.
The spline cover rough turning process comprises a spline cover first rough turning process and a spline cover second rough turning process; the first rough turning process of the spline cover takes the large end face on the outer side of the spline cover as a positioning reference, clamps the excircle of the spline cover and roughly turns the inner side of the spline cover; and in the second rough turning process of the spline cover, the outer circle of the inner small end face of the spline cover is clamped by taking the inner small end face of the spline cover as a positioning reference, and the outer side of the spline cover is roughly turned.
In the spline drawing process, the spline is drawn on a drawing machine by taking the end face of the groove on the outer side of the spline cover as a positioning reference.
The spline cover finish turning process comprises a spline cover first finish turning process and a spline cover second finish turning process; the first finish turning process of the spline cover takes the small end surface on the inner side of the spline cover as a positioning reference, clamps the end surface of the groove on the outer side of the spline cover and carries out finish turning on the outer side of the spline cover; and in the second finish turning process of the spline cover, the outer circle of the spline cover is clamped by taking the small end surface on the outer side of the spline cover as a positioning reference, and the inner side of the spline cover is subjected to finish turning.
The machining center processes the spline cover by taking a spline pitch circle as a center positioning reference, and the machining center performs machining on the spline cover by milling the outer circle of the spline cover, milling the lug groove, drilling the riveting groove of the spline cover and drilling the axle hole of the spline cover.
The planet carrier turning process comprises a planet carrier first turning process and a planet carrier second turning process; the first turning process of the planet carrier takes the large end surface of the outer side of the planet carrier as a positioning reference, clamps the outer circle of the planet carrier and turns the inner side of the planet carrier; and in the second machining process of the planet carrier, the inner circle of the planet carrier is supported by taking the end surface of the inner side of the planet carrier as a positioning reference, and the outer side of the planet carrier is machined.
The planet carrier machining center process uses a planet carrier center hole and a planet carrier outer side groove end face as a positioning reference to tightly press the planet carrier inner side end face, and the machining center processes the planet carrier to mill a peripheral groove and drill a planet carrier wheel axle hole.
The planet carrier assembly turning process comprises a planet carrier assembly first turning process and a planet carrier assembly second turning process; the first turning process of the planet carrier assembly takes the spline pitch circle and the small end face on the outer side of the spline cover as positioning references, compresses the small end face on the inner side of the spline cover, and turns the end face on the outer side of the planet carrier end of the planet carrier assembly and the outer circle; and the second turning process of the planet carrier assembly uses the spline pitch circle and the end surface of the groove on the outer side of the planet carrier as a positioning reference, compresses the small end surface on the outer side of the spline cover and turns the spline cover end of the planet carrier assembly.
The machining center process of the planet carrier assembly is characterized in that the spline pitch circle is used as the center for positioning, the lug groove is used as the angular positioning, the large end face of the outer side of the spline cover is used as the end face for positioning, the machining center firstly machines the planet carrier riveting groove, and then the machining center is used for reaming the planet carrier axle hole and the spline cover axle hole from top to bottom.
The diameter of the spline cover axle hole processed in the spline cover processing center procedure is phi 12 (0, + 0.2), the diameter of the planet carrier axle hole processed in the planet carrier processing center procedure is phi 12 (0, + 0.2), and the diameters of the spline cover axle hole and the planet carrier axle hole after reaming in the planet carrier assembly processing center procedure are phi 13.5.
After the technical scheme is adopted, the invention has the beneficial effects that:
according to the transmission planet carrier assembly processing technology, the spline cover and the planet carrier are processed respectively, then the spline cover and the planet carrier are welded into an integrated planet carrier assembly, the planet carrier assembly is processed after welding, meanwhile, the riveting groove is processed firstly, and then the axle hole is processed, so that the accuracy of the axle hole of the finished planet carrier assembly and the size of other parts is guaranteed, the finished product qualification rate of the planet carrier assembly is greatly improved, the planet carrier can be quickly pressed and mounted in place during the pressing and mounting of the planet carrier, the normal assembly of the planet carrier is guaranteed, the condition that the planet carrier assembly cannot be used is avoided, the production cycle of the transmission is guaranteed, meanwhile, the raw material cost and the labor cost are effectively saved, and the economic benefit of enterprises is improved.
In conclusion, the processing technology for the planet carrier assembly of the transmission solves the technical problems that the finished product of the planet carrier assembly is low in qualification rate and the like in the prior art, the finished product of the planet carrier assembly processed by the processing technology for the planet carrier assembly of the transmission is high in qualification rate, normal assembly of a planet wheel shaft can be guaranteed, the production cycle of the transmission is guaranteed, raw materials and labor cost are saved, and economic benefits of enterprises are improved.
Drawings
FIG. 1 is a schematic structural view of a planet carrier assembly member as machined by the transmission planet carrier assembly member machining process of the present invention-with the spline cover facing upwardly;
FIG. 2 is a schematic structural view of a planet carrier assembly member machined by the transmission planet carrier assembly member machining process of the present invention with the planet carrier facing upwardly;
FIG. 3 is a schematic view of the clamping of the first rough turning operation of the spline cover in the transmission carrier assembly manufacturing process of the present invention;
FIG. 4 is a clamping schematic of a second rough turning operation of the spline cover in the transmission carrier assembly manufacturing process of the present invention;
FIG. 5 is a schematic view of the clamping of the spline cover spline pull process in the transmission carrier assembly manufacturing process of the present invention;
FIG. 6 is a clamping schematic of a first finish turning operation of a spline cover in the transmission carrier assembly manufacturing process of the present invention;
FIG. 7 is a clamping schematic of a second finish turning operation of the spline cover in the transmission carrier assembly manufacturing process of the present invention;
FIG. 8 is a schematic clamping diagram of a machining center process of a spline cover in the transmission planet carrier assembly machining process of the present invention;
FIG. 9 is a schematic structural view of a spline cover machined by the transmission carrier assembly machining process of the present invention;
FIG. 10 is a clamping schematic of a first vehicle manufacturing operation of a carrier in a transmission carrier assembly manufacturing process of the present invention;
FIG. 11 is a schematic view of the clamping of the second carrier manufacturing operation of the transmission carrier assembly manufacturing process of the present invention;
FIG. 12 is a schematic view of a clamping of a carrier machining center sequence in the transmission carrier assembly machining process of the present invention;
FIG. 13 is a schematic structural view of a planet carrier after being machined by the transmission planet carrier assembly machining process of the present invention;
FIG. 14 is a schematic structural view of the planet carrier assembly member after a welding operation in the transmission planet carrier assembly member manufacturing process of the present invention;
FIG. 15 is a schematic view of the clamping of the first vehicle manufacturing operation of the carrier assembly in the transmission carrier assembly manufacturing process of the present invention;
FIG. 16 is a schematic view of the clamping of the second machining pass of the carrier assembly in the transmission carrier assembly machining process of the present invention;
FIG. 17 is a schematic view of the clamping of the planet carrier assembly machining center sequence in the transmission planet carrier assembly machining process of the present invention;
FIG. 18 is a flow chart of a transmission planet carrier assembly manufacturing process of the present invention;
in the figure: 10. spline cover, 11, spline cover excircle, 12, spline cover shaft hole, 130, spline cover inside small end face, 132, spline cover outside groove end face, 14, spline cover riveting groove, 160, spline cover outside large end face, 164, spline cover outside small end face, 180, spline pitch circle, 182, spline cover inside small end face excircle, 19, lug groove, 20, planet carrier, 21, peripheral groove, 22, planet carrier shaft hole, 24, planet carrier riveting groove, 260, planet carrier outside large end face, 262, planet carrier inside end face, 264, planet carrier outside groove end face, 270, planet carrier excircle, 272, planet carrier, 28, planet carrier center hole, 30, welding seam.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.
As shown in fig. 18, a process for manufacturing a transmission planet carrier assembly member includes a spline cover manufacturing process, a planet carrier manufacturing process, a welding process and a planet carrier assembly member manufacturing process. The structure of the planet carrier assembly processed by the processing technology of the planet carrier assembly of the transmission is shown in fig. 1 and 2:
the novel planet carrier comprises a spline cover 10 and a planet carrier 20, wherein the spline cover 10 and the planet carrier 20 are combined into a whole through a welding process. The spline cover 10 is provided with three spline cover wheel axle holes 12, and the periphery of each spline cover wheel axle hole 12 is provided with two spline cover riveting grooves 14; be equipped with three planet carrier shaft hole 22 on the planet carrier 20, every planet carrier shaft hole 22's periphery all is equipped with two planet carrier riveting grooves 24, and spline lid shaft hole 12 sets up with planet carrier shaft hole 22 is concentric, and install respectively in spline lid shaft hole 12 and planet carrier shaft hole 22 at the both ends of planet wheel axle to cover riveting groove 14 and planet carrier riveting groove 24 riveting fixation on spline lid 10 and planet carrier 20 through the spline. The finished product of the planet carrier assembly processed by the processing technology of the planet carrier assembly of the transmission has high qualification rate, and the planet wheel shaft can be quickly installed in place.
In the following detailed description of the process for manufacturing the transmission carrier assembly according to the present embodiment, for the sake of clarity, it is defined that all parts of the spline cover 10 and the planet carrier 20 located inside the planet carrier assembly are inner sides, and all parts of the spline cover 10 and the planet carrier 20 located outside the planet carrier assembly are outer sides.
As shown in fig. 3, 4, 5, 6, 7, 8, 9 and 18, the spline cover machining step includes a spline cover rough turning step, a spline key drawing step, a heat treatment step, a spline cover finish turning step, and a spline cover machining center step, which are performed in this order. The heat treatment process is a conventional process in which the spline cap 10 processed by the spline cap rough turning process and the spline broaching process is subjected to low-temperature gas nitriding treatment, and therefore the heat treatment process is not described in detail herein.
As shown in fig. 3 and 4 together, the spline cover rough turning process includes a spline cover first rough turning process and a spline cover second rough turning process.
As shown in fig. 3, the first rough turning process of the spline cover is to clamp the outer circle 11 of the spline cover by taking the large outer end surface 160 of the spline cover as a positioning reference with the inner side of the spline cover 10 facing upward, and to rough-turn the inner side of the spline cover 10, wherein the specific parts and dimensions to be machined are machined according to the actual structure and design requirements of the product, and the specific machined parts and dimensions are not the invention points of the present invention, so detailed description is omitted, and the following steps are the same.
As shown in fig. 4, the second rough-turning step is to roughly turn the outer side of the spline cover 10 by holding the outer circle 182 of the inner small end face of the spline cover with the outer side of the spline cover 10 facing upward and with the inner small end face 130 of the spline cover as a positioning reference.
As shown in fig. 5, in the spline drawing step, the spline is drawn on a drawing machine with the inside of the spline cover 10 facing upward and the spline cover outer groove end surface 132 as a positioning reference.
As shown in fig. 6 and 7, the spline cover finish turning process includes a spline cover first finish turning process and a spline cover second finish turning process.
As shown in fig. 6, in the spline cover first finish turning step, the outer side of the spline cover 10 is turned upward, and the spline cover outer groove end surface 132 is clamped with the spline cover inner small end surface 130 as a positioning reference, so that the outer side of the spline cover 10 is finish turned.
As shown in fig. 7, the second finish turning step is to finish-turn the inner side of the spline cover 10 by clamping the spline cover outer circumference 11 with the inner side of the spline cover 10 facing upward and with the spline cover outer small end face 164 as a positioning reference.
As shown in fig. 8 and 9, the spline cover machining center process is a process of machining the spline cover 10 by using the spline pitch circle 180 as a center positioning reference with the outer side of the spline cover 10 facing upward, and sequentially performing milling of the spline cover outer circle 11, milling of the lug groove 19, drilling of the spline cover rivet groove 14, and drilling of the spline cover axle hole 12 by the machining center, and the diameter of the spline cover axle hole 12 machined in this process is Φ 12 (0, + 0.2). In the working procedure, the spline cover riveting groove 14 is processed firstly, and the spline cover axle hole 12 is processed later, so that the size precision of the spline cover axle hole 12 can be ensured, and the normal assembly of the planet wheel axle in the later period can be ensured.
As shown in fig. 10, 11, 12, 13, and 18 in common, the carrier machining step includes a carrier turning step and a carrier machining center step that are performed in this order.
As shown collectively in fig. 10 and 11, the carrier turning process includes a carrier first turning process and a carrier second turning process.
As shown in fig. 10, in the carrier first turning step, the inner side of the carrier 20 is turned upward, and the carrier outer circle 270 is clamped with the carrier outer large end surface 260 as a positioning reference, so that the inner side of the carrier 20 is turned.
As shown in fig. 11, in the carrier second machining step, the outer side of the carrier 20 is turned upward, the inner circle 272 of the carrier is tightened with the inner end surface 262 of the carrier as a positioning reference, and the outer end surface of the carrier 20 is machined.
As shown in fig. 12 and 13, in the carrier machining center process, the inner side of the carrier 20 is directed upward, the inner side end face 262 of the carrier is pressed against the carrier by using the carrier center hole 28 and the carrier outer side groove end face 264 as positioning references, the machining center performs machining of milling the peripheral groove 21 and drilling the carrier axle hole 22 in order for the carrier 20, and the diameter of the carrier axle hole 22 machined in this process is Φ 12 (0, + 0.2).
As shown in fig. 14, in the welding process, the outer side of the spline cover 10 faces upward, the inner side of the planet carrier 20 faces upward, the spline cover 10 is placed at the seam of the planet carrier 20, the welding line 30 between the spline cover 10 and the planet carrier 20 is welded through a laser welding process, and the spline cover 10 and the planet carrier 20 are combined into a whole to form the planet carrier assembly. Since the laser welding process is a prior art, the detailed operation steps of the welding process are not described in detail herein.
As shown collectively in fig. 15, 16, 17 and 18, the carrier assembly machining process includes a carrier assembly turning process and a carrier assembly machining center process that are performed in this order.
As shown collectively in fig. 15 and 16, the planet carrier assembly turning process includes a planet carrier assembly first turning process and a planet carrier assembly second turning process.
As shown in fig. 15, in the first turning process of the planetary carrier assembly, the outer end face and the outer circle of the planetary carrier end of the planetary carrier assembly are turned by pressing the spline cover inner small end face 130 with the planetary carrier end of the planetary carrier assembly facing upward and using the spline pitch circle 180 and the spline cover outer small end face 164 as a positioning reference.
As shown in fig. 16, in the second working procedure of the planet carrier assembly, the spline cover end of the planet carrier assembly is upward, the spline joint circle 180 and the planet carrier outer groove end surface 264 are used as positioning references, the spline cover outer small end surface 164 is pressed, and the outer end surface of the spline cover end of the planet carrier assembly is subjected to machining.
As shown in fig. 2, 14 and 17, in the working procedure of the planet carrier assembly machining center, the planet carrier end of the planet carrier assembly is upward, the spline pitch circle 180 is used as the center for positioning, the lug groove 19 is used as the angular positioning, the big end surface 160 outside the spline cover is used as the end surface for positioning, the planet carrier riveting groove 24 is firstly drilled on the planet carrier 20 in the machining center, then the planet carrier axle hole 22 and the spline cover axle hole 12 are reamed from top to bottom, and the hole diameters of the planet carrier axle hole 22 and the spline cover axle hole 12 which are reamed in the working procedure are phi 13.5.
At this point, the planet carrier assembly is machined, and it should be noted that the machining process of the spline cover and the machining process of the planet carrier are not sequentially divided, and either one of the spline cover and the planet carrier can be machined first or simultaneously. The planet carrier assembly processed by the transmission planet carrier assembly processing technology is accurate in size, the finished product qualification rate of the planet carrier assembly is greatly improved, and the normal assembly of a subsequent planet wheel shaft is ensured, so that the production cycle of the transmission is ensured, meanwhile, the raw materials and labor cost are effectively saved, and the economic benefit of an enterprise is favorably improved.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (8)
1. A processing technology of a transmission planet carrier assembly is characterized in that,
the method comprises a spline cover processing procedure, a planet carrier processing procedure, a welding procedure and a planet carrier assembly processing procedure;
the spline cover machining process comprises a spline cover rough turning process, a spline key drawing process, a heat treatment process, a spline cover finish turning process and a spline cover machining center process which are sequentially carried out, wherein a spline cover riveting groove (14) is firstly drilled in the spline cover machining center process, and then a spline cover wheel shaft hole (12) is drilled;
the planet carrier machining process comprises a planet carrier turning machining process and a planet carrier machining center process which are sequentially carried out, wherein a planet carrier wheel shaft hole (22) is drilled in the planet carrier machining center process;
the planet carrier assembly machining process comprises a planet carrier assembly turning machining process and a planet carrier assembly machining center process which are sequentially carried out, wherein a planet carrier riveting groove (24) is firstly drilled in the planet carrier assembly machining center process, and then the planet carrier axle hole (22) and the spline cover axle hole (12) are simultaneously reamed;
the planet carrier assembly processed by the processing technology of the planet carrier assembly of the transmission comprises a spline cover (10) and a planet carrier (20), wherein the spline cover (10) and the planet carrier (20) are combined into a whole by a welding technology; the spline cover wheel shaft hole (12) is formed in the spline cover (10), and the spline cover riveting groove (14) is formed in the periphery of the spline cover wheel shaft hole (12); a planet carrier axle hole (22) is formed in the planet carrier (20), the planet carrier riveting groove (24) is formed in the periphery of the planet carrier axle hole (22), and the spline cover axle hole (12) and the planet carrier axle hole (22) are arranged concentrically;
the spline cover machining center process takes a spline pitch circle (180) as a center positioning reference, and the machining center performs machining on the spline cover (10) by milling a spline cover excircle (11), milling an ear groove (19), drilling a spline cover riveting groove (14) and drilling a spline cover wheel axle hole (12);
the planet carrier assembly machining center process uses spline pitch circle (180) is the center location, with ear groove (19) are the angular orientation, use big terminal surface in the spline lid outside (160) as the terminal surface location, and machining center processes earlier planet carrier riveting groove (24), then machining center from top to bottom is right planet carrier wheel shaft hole (22) and spline lid wheel shaft hole (12) carry out the reaming.
2. The transmission planet carrier assembly process of claim 1,
the spline cover rough turning process comprises a spline cover first rough turning process and a spline cover second rough turning process;
the spline cover first rough turning procedure takes the large end surface (160) on the outer side of the spline cover as a positioning reference, clamps the outer circle (11) of the spline cover and roughly turns the inner side of the spline cover (10);
and in the second rough turning process of the spline cover, the outer circle (182) of the inner small end face of the spline cover is clamped by taking the inner small end face (130) of the spline cover as a positioning reference, and the outer side of the spline cover (10) is roughly turned.
3. The transmission planet carrier assembly manufacturing process of claim 2, wherein the spline pulling process pulls the splines on a broaching machine with a spline cover outside groove end face (132) as a positioning reference.
4. The transmission planet carrier assembly process of claim 3,
the spline cover finish turning process comprises a first spline cover finish turning process and a second spline cover finish turning process;
the spline cover first finish turning process is used for clamping the spline cover outer groove end surface (132) by taking the spline cover inner small end surface (130) as a positioning reference, and performing finish turning on the outer side of the spline cover (10);
and in the second finish turning process of the spline cover, the outer circle (11) of the spline cover is clamped by taking the small end surface (164) on the outer side of the spline cover as a positioning reference, and the finish turning is carried out on the inner side of the spline cover (10).
5. The transmission planet carrier assembly process of claim 4,
the planet carrier turning working procedure comprises a planet carrier first turning working procedure and a planet carrier second turning working procedure;
in the first turning process of the planet carrier, the outer large end surface (260) of the planet carrier is used as a positioning reference to clamp the outer circle (270) of the planet carrier, and the inner side of the planet carrier (20) is turned;
and in the second planet carrier machining process, the inner side end face (262) of the planet carrier is used as a positioning reference, the inner circle (272) of the planet carrier is supported, and the outer side of the planet carrier (20) is machined.
6. The transmission planet carrier assembly machining process of claim 5, wherein the planet carrier machining center process step uses a planet carrier center hole (28) and a planet carrier outer groove end surface (264) as positioning references to press the planet carrier inner end surface (262), and the machining center performs machining on the planet carrier (20) for milling a peripheral groove (21) and drilling a planet carrier axle hole (22).
7. The transmission planet carrier assembly manufacturing process of claim 6,
the planet carrier assembly turning process comprises a planet carrier assembly first turning process and a planet carrier assembly second turning process;
the first turning procedure of the planet carrier assembly takes the spline pitch circle (180) and the small end surface (164) on the outer side of the spline cover as positioning references, compresses the small end surface (130) on the inner side of the spline cover, and turns the end surface and the excircle on the outer side of the planet carrier end of the planet carrier assembly;
and in the second machining process of the planet carrier assembly, the spline pitch circle (180) and the planet carrier outer groove end face (264) are used as positioning references, the spline cover outer small end face (164) is pressed, and the spline cover end of the planet carrier assembly is machined.
8. The transmission carrier assembly manufacturing process of claim 7, wherein the bore diameter of the spline cover axle hole (12) manufactured in the spline cover machining center process is Φ 12 (0, + 0.2), the bore diameter of the carrier axle hole (22) manufactured in the carrier machining center process is Φ 12 (0, + 0.2), and the bore diameters of the spline cover axle hole (12) and the carrier axle hole (22) reamed in the carrier assembly machining center process are Φ 13.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276358.8A CN115351517B (en) | 2022-10-19 | 2022-10-19 | Machining process for transmission planet carrier assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276358.8A CN115351517B (en) | 2022-10-19 | 2022-10-19 | Machining process for transmission planet carrier assembly |
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| CN115351517A CN115351517A (en) | 2022-11-18 |
| CN115351517B true CN115351517B (en) | 2023-01-31 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1272332A (en) * | 1969-06-17 | 1972-04-26 | Borg Warner Ltd | Planetary gear carrier assembly and method of manufacture thereof |
| CN111299985A (en) * | 2020-04-24 | 2020-06-19 | 盛瑞传动股份有限公司 | Machining process of planet carrier |
| CN112460247A (en) * | 2020-11-26 | 2021-03-09 | 江苏智造新材有限公司 | Planetary carrier of automatic transmission of automobile and preparation method thereof |
| CN215059390U (en) * | 2021-03-26 | 2021-12-07 | 盛瑞传动股份有限公司 | Planet carrier |
| CN216951601U (en) * | 2022-02-28 | 2022-07-12 | 陕西法士特齿轮有限责任公司 | Two curb plate integral welding planet carrier assemblies of AT |
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