CN114346618A - Method for machining sealing ring with triangular cross section - Google Patents

Method for machining sealing ring with triangular cross section Download PDF

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Publication number
CN114346618A
CN114346618A CN202210061918.1A CN202210061918A CN114346618A CN 114346618 A CN114346618 A CN 114346618A CN 202210061918 A CN202210061918 A CN 202210061918A CN 114346618 A CN114346618 A CN 114346618A
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workpiece
sealing ring
face
processing
triangular section
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CN114346618B (en
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王昌军
吕思佳
庞公臣
马兆凯
赵兴全
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Harbin Turbine Co Ltd
Hadian Power Equipment National Engineering Research Center Co Ltd
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Harbin Turbine Co Ltd
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Abstract

A method for processing a sealing ring with a triangular section relates to the technical field of sealing ring processing. The invention solves the problems that the existing triangular section sealing ring has poor rigidity in the processing process, is difficult to clamp, is easy to deform after being processed, is difficult to control the size and influences the sealing effect. The method for machining the sealing ring with the triangular section is realized by the following steps of tensioning a forge piece on a core seat by using a connecting bolt for rough machining, machining a force unloading groove at an inner hole and an outer circle between a workpiece and a process chuck, reserving steps for an inverse pressing plate at two ends of the workpiece, tempering and destressing the workpiece, removing machining stress, cutting the workpiece along the force unloading groove by using a turning tool, finely turning two side end faces of the workpiece, after two end faces of the workpiece are leveled, accurately turning the outer circle of the workpiece by using the turning tool, after the outer circle is finely turned, loading the workpiece into a clamping fixture, and turning the two side end faces, the inclined plane and the inner hole of the workpiece. The invention is used for processing the sealing ring with the triangular section.

Description

Method for machining sealing ring with triangular cross section
Technical Field
The invention relates to the technical field of sealing ring processing, in particular to a method for processing a triangular-section sealing ring.
Background
The triangular section sealing ring is made of 06Cr19Ni10 stainless steel, the diameter size of the triangular section sealing ring is large, the section is approximately triangular, and the size is relatively small. As shown in fig. 1, the diameter of the outer circle of the sealing ring with the triangular section is 806mm, the diameter of the inner hole is 766mm, the height of the outer circle is 35mm, the height of the inner hole is 3.4mm, the thickness of the end faces at two sides is 1mm, the included angle between the upper inclined plane and the upper side end face is 29 degrees, and the included angle between the lower inclined plane and the lower side end face is 48 degrees.
A process chuck is reserved for a forging of an existing triangular-section sealing ring, the clamping chuck is aligned to one side in size, and the end face allowance is cut off. And (5) matching a clamping fixture according to the excircle, and turning to the size of the other side. The sealing ring is seriously deformed after being processed according to the scheme, and the sealing effect is influenced.
The existing triangular section sealing ring has the problems of poor rigidity, difficulty in clamping, easiness in deformation after processing, difficulty in size control and influence on sealing effect in the processing process.
Disclosure of Invention
The invention aims to solve the problems that the existing triangular section sealing ring has poor rigidity and is difficult to clamp, is easy to deform after being processed, is difficult to control in size and influences the sealing effect in the processing process, and further provides a processing method of the triangular section sealing ring.
The technical scheme of the invention is as follows:
a method for processing a sealing ring with a triangular section is realized by the following steps,
step one, forge piece feeding:
the forge piece incoming material 101 comprises a workpiece 102 to be processed, a process chuck 103 and a transition section 104, wherein the process chuck 103 is of a circular plate-shaped structure, and the top end of the process chuck 103 is connected with the workpiece 102 through the transition section 104;
step two, rough machining:
step two, fixing the incoming material 101 of the forging:
before rough machining, a plurality of wire drawing screw holes 105 matched with connecting bolts 201 are vertically machined in the circumferential direction on the lower end face of the process chuck 103 by a drill, and a forge piece incoming material 101 is tensioned on a core print 202 by the connecting bolts 201 for rough machining;
step two, rough machining the workpiece 102:
when the workpiece 102 is roughly machined, a force-discharging groove 106 is machined in the inner hole and the outer circle between the workpiece 102 and the process chuck 103, and steps 107 for pressure reversing plates are reserved at two ends of the workpiece 102;
step three, tempering:
after rough machining, tempering and destressing the workpiece 102 to remove machining stress;
step four, finish turning the end face:
step four, cutting off the force-unloading groove 106:
after rough machining, continuing clamping the rough machined workpiece 102 by using a wire drawing screw hole 105, and cutting the workpiece 102 along a force unloading groove 106 by using a turning tool;
step four, aligning the workpiece 102:
the end face of the workpiece 102 is finely turned by using a vertical lathe, the workpiece 102 is freely placed on the surface of a workbench, the point is aligned according to the excircle of the workpiece 102, a dial indicator is pressed on the upper end face of the workpiece 102, a clearance between the workbench and the end face of a product is cushioned by using a feeler gauge, the change of the dial indicator is ensured to be within 0.02mm, and an inner hole is tightly squeezed by using an elliptical pressing plate 301 at the inner hole of the workpiece 102;
step four and step three, the end surfaces on the two sides of the flat workpiece 102 are turned:
the upper end face of the workpiece 102 is turned to be flat by a turning tool, after the upper end face of the workpiece 102 is machined, the workpiece 102 is turned over, the other end face of the workpiece 102 is turned to be flat in the same mode, the workpiece 102 is repeatedly turned over according to the mode, the end faces of the two sides of the workpiece 102 are turned to be flat, and the clearance between the working table and the end face of a product cannot be reached by a 0.02mm clearance gauge in the free state of the workpiece 102;
step five, fine turning of the excircle:
after two end faces of the workpiece 102 are turned to be flat, the workpiece 102 is placed on a vertical lathe workbench in a free state, the point alignment is carried out according to the excircle of the workpiece 102, an inner hole lathe pressure plate of the workpiece 102 presses the workpiece tightly, and a lathe tool is adopted to carry out accurate excircle turning on the workpiece 102;
step six, finish turning of the inclined plane:
after the outer circle is finely turned, the workpiece is arranged in the clamping fixture, the end face, the inclined plane and the inner hole at one side are accurately turned, after the end face, the inclined plane and the inner hole at one side of the workpiece 102 are machined, the workpiece 102 is taken out of the clamping fixture, turned over and placed in the clamping fixture again, and the end face and the inclined plane at the other side are accurately turned, so that machining of the sealing ring with the triangular section is completed.
Further, the cutting parameters of the rough machining in the step two are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.2mm/r, and the cutting depth ap is 0.1-0.2 mm.
Further, the cutting parameters of the finish turning end surface in the fourth step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
Further, the cutting parameters of the finish turning of the outer circle in the fifth step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
Further, the cutting parameters of the finish turning of the inclined plane in the sixth step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
Further, in the sixth step, the mold is made of cast iron.
Furthermore, in the sixth step, a gap of 0.01-0.02mm is formed between the clamping fixture and the workpiece 102.
Further, the core print 202 in the second step is a circular plate-shaped structure, a circular assembly groove 203 is horizontally processed on the outer circumferential surface of the core print 202 along the circumferential direction, a plurality of bolt mounting holes 204 are uniformly processed on the upper end surface of the core print 202 along the circumferential direction, and the bolt mounting holes 204 are communicated with the circular assembly groove 203.
Further, the bolt mounting holes 204 on the upper end surface of the core print 202 in the second step are strip-shaped holes, and the strip-shaped holes are arranged along the radial direction of the core print 202.
Further, the distance between the upper end surface of the core print 202 and the top surface of the circular assembling groove 203 in the second step is smaller than the length of the connecting bolt 201.
Compared with the prior art, the invention has the following effects:
the processing method of the triangular section sealing ring is carried out by rough processing and finish processing, and a chuck is left to drill a wire drawing hole and a force unloading groove are turned during rough processing. Cutting off after rough machining and tempering, and using a mould to process a plane to ensure that the flatness of the sealing ring in a free state is within 0.02 mm. The back-pressing plate is used for turning an inner hole and an outer circle accurately and is matched with a clamping fixture for processing inclined planes on two sides accurately. The method can effectively control the deformation of the sealing ring, ensure the processing precision and further improve the overall sealing property.
Drawings
FIG. 1 is a diagram of the structure of the product of the present invention;
FIG. 2 is a schematic view of the rough turning clamping of the present invention;
FIG. 3 is a schematic view of the rough turning construction of the present invention;
FIG. 4 is a cut-away configuration of the present invention;
FIG. 5 is a schematic view of the clamping of the elliptical pressure plate 301 of the present invention;
FIG. 6 is a front view of the cartridge 202 of the present invention;
fig. 7 is a top view of the cartridge 202 of the present invention;
fig. 8 is a diagram illustrating the operation of the cartridge 202 according to the present invention.
Detailed Description
The first embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 8, and a method of machining a triangular cross-section seal ring according to the present embodiment is achieved by the steps of,
step one, forge piece feeding:
the forge piece incoming material 101 comprises a workpiece 102 to be processed, a process chuck 103 and a transition section 104, wherein the process chuck 103 is of a circular plate-shaped structure, and the top end of the process chuck 103 is connected with the workpiece 102 through the transition section 104;
step two, rough machining:
step two, fixing the incoming material 101 of the forging:
before rough machining, a plurality of wire drawing screw holes 105 matched with connecting bolts 201 are vertically machined in the circumferential direction on the lower end face of the process chuck 103 by a drill, and a forge piece incoming material 101 is tensioned on a core print 202 by the connecting bolts 201 for rough machining;
step two, rough machining the workpiece 102:
when the workpiece 102 is roughly machined, a force-discharging groove 106 is machined in the inner hole and the outer circle between the workpiece 102 and the process chuck 103, and steps 107 for pressure reversing plates are reserved at two ends of the workpiece 102;
step three, tempering:
after rough machining, tempering and destressing the workpiece 102 to remove machining stress;
step four, finish turning the end face:
step four, cutting off the force-unloading groove 106:
after rough machining, continuing clamping the rough machined workpiece 102 by using a wire drawing screw hole 105, and cutting the workpiece 102 along a force unloading groove 106 by using a turning tool;
step four, aligning the workpiece 102:
the end face of the workpiece 102 is finely turned by using a vertical lathe, the workpiece 102 is freely placed on the surface of a workbench, the point is aligned according to the excircle of the workpiece 102, a dial indicator is pressed on the upper end face of the workpiece 102, a clearance between the workbench and the end face of a product is cushioned by using a feeler gauge, the change of the dial indicator is ensured to be within 0.02mm, and an inner hole is tightly squeezed by using an elliptical pressing plate 301 at the inner hole of the workpiece 102;
step four and step three, the end surfaces on the two sides of the flat workpiece 102 are turned:
the upper end face of the workpiece 102 is turned to be flat by a turning tool, after the upper end face of the workpiece 102 is machined, the workpiece 102 is turned over, the other end face of the workpiece 102 is turned to be flat in the same mode, the workpiece 102 is repeatedly turned over according to the mode, the end faces of the two sides of the workpiece 102 are turned to be flat, and the clearance between the working table and the end face of a product cannot be reached by a 0.02mm clearance gauge in the free state of the workpiece 102;
step five, fine turning of the excircle:
after two end faces of the workpiece 102 are turned to be flat, the workpiece 102 is placed on a vertical lathe workbench in a free state, the point alignment is carried out according to the excircle of the workpiece 102, an inner hole lathe pressure plate of the workpiece 102 presses the workpiece tightly, and a lathe tool is adopted to carry out accurate excircle turning on the workpiece 102;
step six, finish turning of the inclined plane:
after the outer circle is finely turned, the workpiece is arranged in the clamping fixture, the end face, the inclined plane and the inner hole at one side are accurately turned, after the end face, the inclined plane and the inner hole at one side of the workpiece 102 are machined, the workpiece 102 is taken out of the clamping fixture, turned over and placed in the clamping fixture again, and the end face and the inclined plane at the other side are accurately turned, so that machining of the sealing ring with the triangular section is completed.
In the embodiment, the triangular section sealing ring has a large diameter and a small section, so that the lathe is easy to deform when being directly clamped. Therefore, the forge piece incoming material 101 needs to be provided with the process chuck 103, before rough turning, the drawing screw hole 105 needs to be processed on the process chuck 103, and the workpiece 102 is tightened on the core print 202 by adopting a plurality of connecting bolts 201 for processing. Rough machining is carried out according to the figure 3, in order to reduce deformation after cutting, a force unloading groove 106 needs to be machined in the inner hole and the outer circle between the workpiece 102 and the process chuck 103, and because the cross section is approximate to a triangle, the straight sections at two ends are small, subsequent machining is not easy to clamp, and steps 107 for pressure reversing plates need to be reserved at two ends for convenient subsequent clamping. And tempering and destressing are carried out after rough machining, and machining stress is removed.
After rough machining, the workpiece 102 is clamped by using the wire drawing screw hole 105, and is cut along the force unloading groove 106, and the cut structure is as shown in fig. 4. In order to control the deformation of the product, the clamping deformation in the processing process needs to be controlled, and the existing deformation is eliminated. And (3) using a vertical lathe for processing when the end face is finely turned, freely placing the workpiece on the surface of the workbench, and aligning according to the excircle alignment. And pressing a dial indicator on the upper end face of the workpiece, and cushioning the gap between the workbench and the end face of the product by using a feeler gauge to ensure that the change of the dial indicator is within 0.02 mm. The inner hole is tightly squeezed by an elliptical pressing plate at the inner hole as shown in figure 5, and the upper end face is flattened. Turning over, and turning over the other end face repeatedly until the clearance gauge of 0.02mm is not inserted.
After the two end faces are leveled, the workpiece 102 is placed on a vertical lathe workbench in a free state, the centering is carried out according to the excircle, the inner hole lathe is pressed tightly by a pressure plate, and the excircle is accurately turned according to the size of the figure 1.
In order to control the deformation of a product, a workpiece cannot be directly clamped, and a clamping fixture is required to be matched for processing.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 2 and 3, and the cutting parameters of the rough machining in step two of the present embodiment are: the cutting speed V is 0.628m/s, the feed rate f is 0.2mm/r, and the cutting depth ap is 0.1-0.2 mm. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 2 to 5, and the cutting parameters of the finish turning end face in the fourth step of the present embodiment are: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 and 4, and the cutting parameters for finish turning the outer circle in step five of the present embodiment are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: referring to fig. 1 and 4, the present embodiment will be described, and in step six of the present embodiment, the cutting parameters for finish turning the bevel are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: in the sixth step of the present embodiment, the mold is made of cast iron, as described with reference to fig. 1. So set up, produce the phenomenon of galling when avoiding dismouting work piece, the mould needs select for use cast iron material. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: referring to fig. 1, the embodiment is described, and in step six of the embodiment, a gap of 0.01-0.02mm is formed between the clamping fixture and the workpiece 102. According to the arrangement, the cast iron mould is matched and turned according to the actual measurement size of the excircle, a gap of 0.01-0.02mm is ensured between the workpiece and the mould, the workpiece is arranged in the mould, and the workpiece is convenient to take out from the mould when the surface is changed. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: referring to fig. 6 to 8, the core print 202 in step two of the present embodiment is a circular plate-shaped structure, a circular assembly groove 203 is horizontally formed on an outer circumferential surface of the core print 202 along a circumferential direction, a plurality of bolt mounting holes 204 are uniformly formed on an upper end surface of the core print 202 along the circumferential direction, and the bolt mounting holes 204 are communicated with the circular assembly groove 203. So set up, adopt core print 202 to carry out the clamping to the work piece, avoid warping, can guarantee that the drawing requires machining precision, and then improve whole leakproofness. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six or seven.
The specific implementation method nine: referring to fig. 6 to 8, the bolt mounting holes 204 on the upper end surface of the core print 202 in the second step of the present embodiment are bar-shaped holes, and the bar-shaped holes are arranged along the radial direction of the core print 202. Due to the arrangement, the clamping device can be suitable for clamping workpieces of different sizes, the universality of the device is improved, and the production cost is saved. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: referring to fig. 8, the distance between the upper end surface of the core print 202 and the top surface of the annular assembling groove 203 in step two of the present embodiment is smaller than the length of the connecting bolt 201. So configured, it is ensured that the connecting bolt 201 can pass through the core print 202 and be screwed with the connecting bolt 201 of the upper process chuck 103. Other compositions and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiments.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A method for processing a sealing ring with a triangular section is characterized by comprising the following steps: the method for processing the sealing ring with the triangular section is realized by the following steps,
step one, forge piece feeding:
the forge piece incoming material (101) comprises a workpiece (102) to be machined, a process chuck (103) and a transition section (104), wherein the process chuck (103) is of a circular plate-shaped structure, and the top end of the process chuck (103) is connected with the workpiece (102) through the transition section (104);
step two, rough machining:
step two, fixing the forge piece incoming material (101):
before rough machining, a plurality of wire drawing screw holes 105 matched with connecting bolts (201) are vertically machined on the lower end face of a process chuck (103) along the circumferential direction by a drill, and a forging piece incoming material (101) is tensioned on a core seat (202) by the connecting bolts (201) for rough machining;
step two, roughly machining the workpiece (102):
when a workpiece (102) is roughly machined, force unloading grooves (106) are machined in inner holes and outer circles between the workpiece (102) and a process chuck (103), and steps (107) for pressure reversing plates are reserved at two ends of the workpiece (102);
step three, tempering:
after rough machining, tempering and destressing the workpiece (102) to remove machining stress;
step four, finish turning the end face:
step four, cutting off the force unloading groove (106):
after rough machining, continuing clamping the rough machined workpiece (102) by using a wire drawing screw hole 105, and cutting off the workpiece (102) along a force unloading groove (106) by using a turning tool;
step four, aligning the workpiece (102):
the end face of a workpiece (102) is finely turned, vertical turning is used for machining, the workpiece (102) is freely placed on the surface of a workbench, the point alignment is carried out according to the excircle of the workpiece (102), a dial indicator is pressed on the upper end face of the workpiece (102), a clearance between the workbench and the end face of a product is cushioned by a feeler gauge, the change of the dial indicator is guaranteed to be within 0.02mm, and an inner hole of the workpiece (102) is tightly squeezed by an oval pressing plate 301;
step four and three, turning end faces on two sides of the flat workpiece (102):
the upper end face of the workpiece (102) is turned to be flat by a turning tool, after the upper end face of the workpiece (102) is machined, the workpiece (102) is turned over, the other side end face of the workpiece (102) is turned to be flat in the same mode, the workpiece (102) is repeatedly turned over according to the mode, the end faces on the two sides of the workpiece (102) are turned to be flat, and the clearance between the workbench and the end face of a product cannot be reached when the clearance gauge of 0.02mm cannot enter the free state of the workpiece (102);
step five, fine turning of the excircle:
after two end faces of a workpiece (102) are turned to be flat, the workpiece (102) is placed on a vertical lathe workbench in a free state, the point alignment is carried out according to the excircle of the workpiece (102), an inner hole of the workpiece (102) is turned and lapped with a pressure plate to press the workpiece, and a turning tool is adopted to drive the workpiece (102) to be in accurate excircle;
step six, finish turning of the inclined plane:
after the outer circle is finely turned, the workpiece is arranged in the clamping fixture, one side end face, the inclined plane and the inner hole are accurately turned, after the machining of the one side end face, the inclined plane and the inner hole of the workpiece (102) is completed, the workpiece (102) is taken out of the clamping fixture, turned over and placed in the clamping fixture again, and the other side end face and the inclined plane are accurately turned, so that the machining of the sealing ring with the triangular section is completed.
2. The method for processing the sealing ring with the triangular section according to claim 1, wherein the method comprises the following steps: the cutting parameters of rough machining in the second step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.2mm/r, and the cutting depth ap is 0.1-0.2 mm.
3. The method for processing the sealing ring with the triangular section according to claim 2, wherein the method comprises the following steps: the cutting parameters of the finish turning end surface in the fourth step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
4. The method for processing the sealing ring with the triangular section according to claim 3, wherein the method comprises the following steps: the cutting parameters of the finish turning excircle in the step five are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
5. The method for processing the sealing ring with the triangular section according to claim 4, wherein the method comprises the following steps: cutting parameters of the finish turning inclined plane in the sixth step are as follows: the cutting speed V is 0.628m/s, the feed rate f is 0.1mm/r, and the cutting depth ap is 0.1-0.2 mm.
6. The method for processing the sealing ring with the triangular section according to claim 1 or 5, wherein the method comprises the following steps: and step six, the mould is made of cast iron.
7. The method for processing the sealing ring with the triangular section according to claim 6, wherein the method comprises the following steps: in the sixth step, a gap of 0.01-0.02mm is reserved between the clamping fixture and the workpiece (102).
8. The method for processing the sealing ring with the triangular section according to claim 1 or 6, wherein the method comprises the following steps: the core holder (202) in the second step is of a circular plate-shaped structure, a circular assembly groove (203) is horizontally processed on the outer circular surface of the core holder (202) along the circumferential direction, a plurality of bolt mounting holes (204) are uniformly processed on the upper end surface of the core holder (202) along the circumferential direction, and the bolt mounting holes (204) are communicated with the circular assembly groove (203).
9. The method for processing the sealing ring with the triangular section according to claim 7, wherein the method comprises the following steps: and in the second step, the bolt mounting holes (204) on the upper end surface of the core print (202) are strip-shaped holes which are arranged along the radial direction of the core print (202).
10. The method for processing the sealing ring with the triangular section according to claim 8, wherein the method comprises the following steps: and in the second step, the distance between the upper end surface of the core print (202) and the top surface of the circular assembling groove (203) is less than the length of the connecting bolt (201).
CN202210061918.1A 2022-01-19 2022-01-19 Processing method of triangular section sealing ring Active CN114346618B (en)

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CN117020699A (en) * 2023-08-04 2023-11-10 航天科工哈尔滨风华有限公司 A clamping method for processing large thin-walled parts
CN119304540A (en) * 2024-12-02 2025-01-14 中国航发贵州黎阳航空动力有限公司 A method for processing ultra-thin adjustment ring

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CN205799044U (en) * 2016-07-29 2016-12-14 哈尔滨汽轮机厂有限责任公司 A special fixture for sealing ring turning
CN106736767A (en) * 2016-12-20 2017-05-31 吴忠仪表有限责任公司 Process the frock and its method of thin-walled ring
CN108672721A (en) * 2018-05-24 2018-10-19 哈尔滨汽轮机厂有限责任公司 A kind of horizontal lathe processing sealing ring anti-deformation process method
CN110193704A (en) * 2019-06-21 2019-09-03 江西洪都航空工业集团有限责任公司 A kind of Milling Process technique of 15-5PH solid solution steel angle-closure chamber class part
CN213410378U (en) * 2020-10-12 2021-06-11 杭州鹤见南方泵业有限公司 Clamp for processing annular workpiece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117020699A (en) * 2023-08-04 2023-11-10 航天科工哈尔滨风华有限公司 A clamping method for processing large thin-walled parts
CN117020699B (en) * 2023-08-04 2026-01-02 航天科工哈尔滨风华有限公司 A clamping method for machining large thin-walled parts
CN119304540A (en) * 2024-12-02 2025-01-14 中国航发贵州黎阳航空动力有限公司 A method for processing ultra-thin adjustment ring

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