CN111015079A - Processing method of fork joint - Google Patents
Processing method of fork joint Download PDFInfo
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- CN111015079A CN111015079A CN201910986484.4A CN201910986484A CN111015079A CN 111015079 A CN111015079 A CN 111015079A CN 201910986484 A CN201910986484 A CN 201910986484A CN 111015079 A CN111015079 A CN 111015079A
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- side plate
- fork joint
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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
Abstract
The invention discloses a processing method of a fork joint, and belongs to the field of machining of mechanical parts. The method comprises the following steps: providing a fork joint blank, wherein the fork joint blank comprises a connecting round rod and a U-shaped plate, the U-shaped plate comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two opposite sides of the bottom plate, the bottom plate is respectively vertical to the first side plate and the second side plate, the first side plate and the second side plate are opposite and parallel to form an opening of the U-shaped plate, the first end of the round rod is fixed at the center of the bottom plate, the round rod is vertical to the bottom plate, and the round rod is opposite to the opening of the U; drawing a processing line on the fork joint blank, wherein the processing line comprises a processing reference line and a rough processing reference line; rough machining is carried out on the fork joint blank based on the machining reference line and the rough machining reference line; and performing finish machining on the rough machined fork joint blank based on the machining datum line to obtain the fork joint. The invention can reduce the processing difficulty of the fork joint.
Description
Technical Field
The invention relates to the field of machining of mechanical parts, in particular to a machining method of a fork joint.
Background
The fork joint belongs to one of key parts of a naval vessel steering engine. The U-shaped opening end of the fork joint is connected with a sliding block component of the naval vessel steering engine through a pin shaft and a spherical hinge, and the non-opening end of the fork joint is in threaded connection with a tiller pull rod of the naval vessel steering engine. The fork joint is connected based on a mode of connection, and certain difficulty is brought to the machining of the fork joint: on one hand, the open end of the crank shaft needs to have higher processing precision so as to realize precise connection and smooth sliding with the sliding block assembly, and on the other hand, the non-open end of the crank shaft needs to have enough mechanical strength to transmit larger pulling force to the tiller pull rod.
Disclosure of Invention
The embodiment of the invention provides a processing method of a fork joint, which can reduce the processing difficulty of the fork joint. The technical scheme is as follows:
the invention provides a processing method of a fork joint, which comprises the following steps:
providing a fork joint blank, wherein the fork joint blank comprises a connecting round rod and a U-shaped plate, the U-shaped plate comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two opposite sides of the bottom plate, the bottom plate is respectively perpendicular to the first side plate and the second side plate, the first side plate and the second side plate are opposite and parallel to form an opening of the U-shaped plate, a first end of the round rod is fixed at the center of the bottom plate, the round rod is perpendicular to the bottom plate, and the round rod is opposite to the opening of the U-shaped plate;
drawing a machining line on the fork joint blank, wherein the machining line comprises a machining reference line and a rough machining reference line;
roughly machining the fork joint blank based on the machining reference line and the rough machining reference line;
and performing finish machining on the rough machined fork joint blank based on the machining datum line to obtain the fork joint.
Optionally, the rough machining of the knuckle blank based on the machining reference line and the rough machining reference line includes:
roughly turning the outer circular surface of the round rod and the second end face of the round rod;
based on rough machining reference lines on the first side plate and the second side plate, rough boring the outer surface and the inner surface of the first side plate and the second side plate, and rough boring a first round hole and a second round hole, wherein the first round hole is located on the first side plate, the second round hole is located on the second side plate, and the center of the first round hole and the center of the second round hole are located on the same straight line.
Optionally, rough turning the outer circular surface of the round bar and the second end surface of the round bar includes:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and roughly turning the outer circular surface of the round rod and the second end surface of the round rod.
Optionally, the rough boring the outer and inner surfaces of the first and second side plates and the rough boring the first and second circular holes comprises:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by a pressing plate, wherein the first side plate and the second side plate are respectively parallel to the scribing platform in the first placing posture;
the method further includes the steps of rough boring the outer and inner surfaces of the first and second side plates and rough boring the first and second circular holes.
Optionally, the finish machining, based on the machining reference line, the rough-machined fork joint blank includes:
finely turning the outer circular surface of the round rod, the second end face of the round rod and threads on the round rod;
finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and first round hole chamfers on the first round hole and the second round hole;
finely boring the inner surface of the first side plate, the inner surface of the second side plate, and a second round hole chamfer on the first round hole and the second round hole;
and finely milling the outline of the fork joint blank to meet the outline requirement of the fork joint, and finely milling the second end of the round rod to enable the second end of the round rod to be flat and square.
Optionally, finish turning the outer circular surface of the round bar, the second end surface of the round bar, and the thread on the round bar includes:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and finely turning the outer circular surface of the round rod, the second end surface of the round rod and the threads on the round rod.
Optionally, the fine boring the outer surface of the first side plate, the outer surface of the second side plate, the side plate chamfers on the first side plate and the second side plate, and the first round hole chamfer on the first round hole and the second round hole includes:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by a pressing plate;
finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and first round hole chamfers on the first round hole and the second round hole.
Optionally, before the finish machining of the rough-machined fork joint blank based on the machining reference line, the machining method of the fork joint further includes:
and carrying out natural aging treatment on the rough machined fork joint blank so as to fully release rough machining internal stress.
Optionally, drawing a processing line on the clevis blank includes:
placing the fork joint blank on a scribing platform in a first placing posture, drawing a symmetrical line and a first rough machining reference line on the fork joint blank, and respectively enabling the first side plate and the second side plate to be parallel to the scribing platform in the first placing posture;
placing the fork joint blank on the scribing platform in a second placing posture, drawing a waist line and a second rough machining reference line on the fork joint blank, wherein in the second placing posture, the first side plate and the second side plate are respectively perpendicular to the scribing platform, the opening direction of the U-shaped plate is parallel to the scribing platform, and the machining reference line comprises the symmetrical line and the waist line;
placing the fork joint blank on the scribing platform in a third placing posture, drawing a third rough machining reference line on the fork joint blank, wherein in the third placing posture, the first side plate and the second side plate are respectively vertical to the scribing platform, and the opening direction of the U-shaped plate is vertical to the scribing platform.
Optionally, the placing the fork joint blank on a scribing platform in a first placing posture includes:
and placing the fork joint blank on a scribing platform in a first placing posture through the small screw top.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
providing a fork joint blank, wherein the fork joint blank comprises a connecting round rod and a U-shaped plate, the U-shaped plate comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two opposite sides of the bottom plate, the bottom plate is respectively vertical to the first side plate and the second side plate, the first side plate and the second side plate are opposite and parallel to form an opening of the U-shaped plate, a first end of the round rod is fixed at the center of the bottom plate, the round rod is vertical to the bottom plate, and the round rod is opposite to the opening of the U-shaped plate; drawing a machining line on the fork joint blank, wherein the machining line comprises a machining reference line and a rough machining reference line; roughly machining the fork joint blank based on the machining reference line and the rough machining reference line; and based on the machining datum line, performing finish machining on the rough machined fork joint blank to obtain the fork joint, so that the machining of the fork joint is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method of manufacturing a clevis of the present invention;
FIGS. 2 and 3 are schematic views of a first pose provided by embodiments of the present invention;
FIGS. 4 and 5 are schematic views of a second pose provided by embodiments of the present invention;
FIG. 6 is a schematic view of a third pose provided by embodiments of the present invention;
FIG. 7 is a schematic view of the rough turning of a clevis blank and four-jaw chuck according to an embodiment of the present invention;
FIGS. 8 and 9 are schematic views of the machined surface of a clevis blank during rough boring provided by an embodiment of the present invention;
FIG. 10 is a schematic view of a machined surface of a clevis blank during finish turning provided by an embodiment of the present invention;
FIGS. 11-13 are schematic views of the machined surface of a clevis blank during finish boring provided by an embodiment of the present invention;
FIGS. 14 and 15 are schematic views of the machined surface of a clevis blank during finish milling provided by an embodiment of the present invention;
fig. 16 is a sectional view a-a of fig. 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for processing a fork joint according to an embodiment of the present invention. Referring to fig. 1, the process flow includes the following steps.
Wherein, the Y-joint blank is including connecting round bar and U template, and the U template includes bottom plate, first curb plate and second curb plate, and first curb plate and second curb plate are located the relative both sides of bottom plate respectively, and the bottom plate is perpendicular with first curb plate and second curb plate respectively, and first curb plate and second curb plate are relative and parallel in order to form the opening of U template, and the first end of round bar is fixed in the center of bottom plate, and the round bar is perpendicular with the bottom plate, and the round bar is relative with the opening of U template.
And 102, drawing a machining line on the fork joint blank, wherein the machining line comprises a machining reference line and a rough machining reference line.
And 103, roughly machining the fork joint blank based on the machining reference line and the rough machining reference line.
And 104, performing finish machining on the rough machined fork joint blank based on the machining datum line to obtain the fork joint.
The above steps are specifically described below.
In step 101, the round bar and the U-shaped plate are generally special stainless steel forgings. The U-shaped plate comprises a bottom plate, a first side plate and a second side plate, wherein the U-shaped plate is of an integrated structure.
Optionally, step 102 may include the following steps.
102a, placing the fork joint blank on a scribing platform in a first placing posture, and drawing a symmetrical line and a first rough machining reference line on the fork joint blank.
Fig. 2 and 3 are schematic views of a first pose provided by an embodiment of the invention. Referring to fig. 2 and 3, in the first pose, the first side plate and the second side plate are respectively parallel to the scribing platform. The symmetry line is shown as m-m. The position of the first roughing reference line includes: two sides of the first side plate (perpendicular to the scribing platform in the first pose), two sides of the second side plate (perpendicular to the scribing platform in the first pose), and the back of the base plate (the fixing surface of the round bar).
And 102b, placing the fork joint blank on a scribing platform in a second placing posture, and drawing a waist line and a second rough machining reference line on the fork joint blank.
Fig. 4 and 5 are schematic views of a second pose provided by an embodiment of the invention. Referring to fig. 4 and 5, in the second placing posture, the first side plate and the second side plate are respectively perpendicular to the scribing platform, the opening direction of the U-shaped plate is parallel to the scribing platform, and the processing reference line includes a symmetry line and a waist line. The waistline is shown as n-n. The position of the second rough reference line includes: two sides of the first side panel (perpendicular relative to the scoring platform in the second pose) and two sides of the second side panel (perpendicular relative to the scoring platform in the second pose).
And 102c, placing the fork joint blank on a scribing platform in a third placing posture, and drawing a third rough machining reference line on the fork joint blank.
Fig. 6 is a schematic view of a third pose provided by the embodiment of the invention. Referring to fig. 6, in the third placing posture, the first side plate and the second side plate are respectively perpendicular to the scribing platform, and the opening direction of the U-shaped plate is perpendicular to the scribing platform. The position of the third rough reference line includes: the side of the bottom plate.
Optionally, the clevis blank 10 is placed on the scoring platform in a first pose, a second pose, or a first up pose by the threaded stub 20. The threaded small top 20 may be a jack.
Optionally, step 103 may include the steps of:
and 103a, roughly turning the outer circular surface of the round rod and the second end face of the round rod.
And 103b, roughly boring the outer surfaces and the inner surfaces of the first side plate and the second side plate and roughly boring a first round hole and a second round hole on the basis of rough machining reference lines on the first side plate and the second side plate, wherein the first round hole is positioned on the first side plate, the second round hole is positioned on the second side plate, and the center of the first round hole and the center of the second round hole are positioned on the same straight line.
Optionally, in step 103a, rough turning the outer circular surface of the round rod and the second end surface of the round rod may include:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and roughly turning the outer circular surface of the round rod and the second end surface of the round rod. The four-jaw chuck may be any one of the four-jaw chucks in the prior art, and the structure of the four-jaw chuck is not limited in this embodiment.
Fig. 7 is a schematic view of the assembly of a clevis blank and a four-jaw chuck during rough turning according to an embodiment of the present invention. Referring to fig. 7, the open end of the clevis blank 10 is clamped by a four-jaw chuck 30.
Rough turning can be divided into multiple times. After the first rough turning, the symmetrical relation between the excircle and the waist line is checked, adjustment is carried out in time, and then subsequent processing is carried out, so that sufficient processing allowance is ensured at other positions.
Optionally, the step 103b of rough boring the outer and inner surfaces of the first and second side plates and rough boring the first and second circular holes comprises:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by using a pressing plate, wherein the first side plate and the second side plate are respectively parallel to the scribing platform in the first placing posture; the method includes the steps of roughly boring the outer and inner surfaces of the first and second side plates, and roughly boring the first and second circular holes.
Fig. 8 and 9 are schematic views of the machined surface of a clevis blank during rough boring provided by an embodiment of the present invention.
The rough boring may be performed in multiple steps, and after each rough boring, it is checked whether the machining allowance is sufficient.
Optionally, after step 103 and before step 104, the method for processing the fork joint further comprises step 105.
And 105, carrying out natural aging treatment on the rough machined fork joint blank so as to fully release rough machining internal stress.
After rough machining is finished, the fork joint blank is placed in a dry place, protective measures are taken and marked, natural aging treatment is carried out for more than fifteen days, and the rough machining internal stress of the workpiece is fully released.
Optionally, step 104 may include the steps of:
and 104a, finely turning the outer circular surface of the round rod, the second end face of the round rod and threads on the round rod.
And 104b, finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and a first round hole chamfer on the first round hole and the second round hole.
And 104c, finely boring the inner surface of the first side plate, the inner surface of the second side plate and second round hole chamfers on the first round hole and the second round hole.
And 104d, finish milling the outline of the fork joint blank to meet the outline requirement of the fork joint, and finish milling the second end of the round rod to enable the second end of the round rod to be flat and square.
Optionally, step 104a may comprise:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and finely turning the outer circular surface of the round rod, the second end surface of the round rod and the threads on the round rod until the drawing size (target size) of the fork joint is reached.
Fig. 10 is a schematic view of a machined surface of a clevis blank during finish turning provided by an embodiment of the present invention.
Optionally, step 104b may comprise:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by a pressing plate; finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and first round hole chamfers on the first round hole and the second round hole.
Fig. 11-13 are schematic views of machined surfaces of a fork joint blank during fine boring according to an embodiment of the present invention, where fig. 11 and 12 correspond to step 104b, and fig. 13 corresponds to step 104 c. Fig. 14-16 are schematic views of the machined surface of a clevis blank during finish milling provided by an embodiment of the present invention. After finish milling, the fork joint is to be machined.
In the embodiment, the rough turning and the fine turning adopt equipment of a lathe, the rough boring and the fine boring adopt equipment of a boring machine, and the fine milling adopts equipment of a milling machine. In the rough machining and the finish machining processes, machining can be continuously carried out according to the machining datum line so as to meet the drawing size.
In the embodiment of the invention, a fork joint blank is provided, the fork joint blank comprises a connecting round rod and a U-shaped plate, the U-shaped plate comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two opposite sides of the bottom plate, the bottom plate is respectively vertical to the first side plate and the second side plate, the first side plate and the second side plate are opposite and parallel to form an opening of the U-shaped plate, the first end of the round rod is fixed at the center of the bottom plate, the round rod is vertical to the bottom plate, and the round rod is opposite to the opening of; drawing a processing line on the fork joint blank, wherein the processing line comprises a processing reference line and a rough processing reference line; rough machining is carried out on the fork joint blank based on the machining reference line and the rough machining reference line; based on the machining datum line, the rough machined fork joint blank is subjected to fine machining to obtain the fork joint, machining of the fork joint is achieved, the machining method is simple, machining difficulty of the fork joint is reduced, cutting deformation and machining precision of a workpiece can be well controlled, technical requirements of drawing machining are met, and the machining method is low in rejection rate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method of manufacturing a clevis, the method comprising:
providing a fork joint blank, wherein the fork joint blank comprises a connecting round rod and a U-shaped plate, the U-shaped plate comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two opposite sides of the bottom plate, the bottom plate is respectively perpendicular to the first side plate and the second side plate, the first side plate and the second side plate are opposite and parallel to form an opening of the U-shaped plate, a first end of the round rod is fixed at the center of the bottom plate, the round rod is perpendicular to the bottom plate, and the round rod is opposite to the opening of the U-shaped plate;
drawing a machining line on the fork joint blank, wherein the machining line comprises a machining reference line and a rough machining reference line;
roughly machining the fork joint blank based on the machining reference line and the rough machining reference line;
and performing finish machining on the rough machined fork joint blank based on the machining datum line to obtain the fork joint.
2. The machining method of a knuckle according to claim 1, wherein the rough machining of the knuckle blank based on the machining reference line and the rough machining reference line includes:
roughly turning the outer circular surface of the round rod and the second end face of the round rod;
based on rough machining reference lines on the first side plate and the second side plate, rough boring the outer surface and the inner surface of the first side plate and the second side plate, and rough boring a first round hole and a second round hole, wherein the first round hole is located on the first side plate, the second round hole is located on the second side plate, and the center of the first round hole and the center of the second round hole are located on the same straight line.
3. The method for machining the fork joint according to claim 2, wherein the rough turning of the outer circumferential surface of the round rod and the second end surface of the round rod comprises:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and roughly turning the outer circular surface of the round rod and the second end surface of the round rod.
4. The method of machining a clevis of claim 2, wherein the rough boring outer and inner surfaces of the first and second side plates and the rough boring first and second circular holes includes:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by a pressing plate, wherein the first side plate and the second side plate are respectively parallel to the scribing platform in the first placing posture;
the method further includes the steps of rough boring the outer and inner surfaces of the first and second side plates and rough boring the first and second circular holes.
5. The machining method of a knuckle according to claim 2, wherein the finish-machining a rough-machined knuckle blank based on the machining reference line includes:
finely turning the outer circular surface of the round rod, the second end face of the round rod and threads on the round rod;
finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and first round hole chamfers on the first round hole and the second round hole;
finely boring the inner surface of the first side plate, the inner surface of the second side plate, and a second round hole chamfer on the first round hole and the second round hole;
and finely milling the outline of the fork joint blank to meet the outline requirement of the fork joint, and finely milling the second end of the round rod to enable the second end of the round rod to be flat and square.
6. The method of manufacturing a clevis of claim 5, wherein the finish-turning of the outer circumferential surface of the round bar, the second end surface of the round bar, and the threads on the round bar includes:
and clamping the opening of the U-shaped plate by adopting a four-jaw chuck, and finely turning the outer circular surface of the round rod, the second end surface of the round rod and the threads on the round rod.
7. The method of machining a clevis of claim 5, wherein the finish boring an outer surface of the first side plate, an outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and a first round hole chamfer on the first round hole and the second round hole includes:
placing the fork joint blank on a scribing platform in a first placing posture, and pressing the fork joint blank by a pressing plate;
finely boring the outer surface of the first side plate, the outer surface of the second side plate, side plate chamfers on the first side plate and the second side plate, and first round hole chamfers on the first round hole and the second round hole.
8. The method of processing a knuckle according to claim 1, wherein before the finish-processing the rough-processed knuckle blank based on the processing reference line, the method of processing a knuckle further comprises:
and carrying out natural aging treatment on the rough machined fork joint blank so as to fully release rough machining internal stress.
9. The method of manufacturing a knuckle according to claim 1, wherein said drawing a manufacturing line on said knuckle blank comprises:
placing the fork joint blank on a scribing platform in a first placing posture, drawing a symmetrical line and a first rough machining reference line on the fork joint blank, and respectively enabling the first side plate and the second side plate to be parallel to the scribing platform in the first placing posture;
placing the fork joint blank on the scribing platform in a second placing posture, drawing a waist line and a second rough machining reference line on the fork joint blank, wherein in the second placing posture, the first side plate and the second side plate are respectively perpendicular to the scribing platform, the opening direction of the U-shaped plate is parallel to the scribing platform, and the machining reference line comprises the symmetrical line and the waist line;
placing the fork joint blank on the scribing platform in a third placing posture, drawing a third rough machining reference line on the fork joint blank, wherein in the third placing posture, the first side plate and the second side plate are respectively vertical to the scribing platform, and the opening direction of the U-shaped plate is vertical to the scribing platform.
10. The method of claim 9, wherein the placing the clevis blank in a first pose on a scoring platform comprises:
and placing the fork joint blank on a scribing platform in a first placing posture through the small screw top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986484.4A CN111015079B (en) | 2019-10-17 | 2019-10-17 | Processing method of fork joint |
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|---|---|---|---|
| CN201910986484.4A CN111015079B (en) | 2019-10-17 | 2019-10-17 | Processing method of fork joint |
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| CN111015079A true CN111015079A (en) | 2020-04-17 |
| CN111015079B CN111015079B (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975483A (en) * | 2021-01-21 | 2021-06-18 | 武汉船用机械有限责任公司 | Method for processing fork-shaped part |
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| CN102107345A (en) * | 2009-12-29 | 2011-06-29 | 鞠小平 | Processing method for universal-joint flange yoke of transmission shaft of heavy-duty car |
| CN104015015A (en) * | 2014-06-23 | 2014-09-03 | 什邡市明日宇航工业股份有限公司 | Numerical control integrated manufacturing technology for parts of outer barrel of main landing gear of airplane |
| CN105583573A (en) * | 2014-10-20 | 2016-05-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing technology method of precise large-size rigid pipe assembly |
| CN106425313A (en) * | 2016-11-17 | 2017-02-22 | 陕西启源科技发展有限责任公司 | Universal joint fork part machining method |
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2019
- 2019-10-17 CN CN201910986484.4A patent/CN111015079B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107345A (en) * | 2009-12-29 | 2011-06-29 | 鞠小平 | Processing method for universal-joint flange yoke of transmission shaft of heavy-duty car |
| CN104015015A (en) * | 2014-06-23 | 2014-09-03 | 什邡市明日宇航工业股份有限公司 | Numerical control integrated manufacturing technology for parts of outer barrel of main landing gear of airplane |
| CN105583573A (en) * | 2014-10-20 | 2016-05-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing technology method of precise large-size rigid pipe assembly |
| CN106425313A (en) * | 2016-11-17 | 2017-02-22 | 陕西启源科技发展有限责任公司 | Universal joint fork part machining method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112975483A (en) * | 2021-01-21 | 2021-06-18 | 武汉船用机械有限责任公司 | Method for processing fork-shaped part |
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