CN111451651B - Engine leather cup cutting clamp and cutting method - Google Patents
Engine leather cup cutting clamp and cutting method Download PDFInfo
- Publication number
- CN111451651B CN111451651B CN202010363653.1A CN202010363653A CN111451651B CN 111451651 B CN111451651 B CN 111451651B CN 202010363653 A CN202010363653 A CN 202010363653A CN 111451651 B CN111451651 B CN 111451651B
- Authority
- CN
- China
- Prior art keywords
- engine
- positioning
- leather cup
- cutting
- cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010985 leather Substances 0.000 title claims abstract description 94
- 238000005520 cutting process Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000010923 batch production Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an engine leather cup cutting clamp and a cutting method, and belongs to the technical field of aero-engines. An engine cup cutting fixture comprising: the base, the pillar and the positioning seat are sequentially connected from bottom to top; the top of the positioning seat is provided with an annular bump, and a mounting groove and a limiting step are formed on the top of the positioning seat; the mounting groove is positioned on the inner side of the annular convex block, and at least two positioning pins are arranged in the mounting groove; the limiting step is positioned on the outer side of the annular convex block, and the step surface shape of the limiting step is matched with the bottom shape of the engine leather cup; the root part of the convex block, which is close to the limiting step, is provided with a blank holder. The cutting clamp is used for limiting the engine leather cup, and does not need to be provided with a special pressing plate and other parts for pressing.
Description
Technical Field
The invention relates to the technical field of aero-engines, in particular to an engine leather cup cutting clamp and a cutting method.
Background
The engine leather cup is a component part on a culvert casing of an aeroengine, is formed by forming and cutting thin-wall sheet metal materials, has a complex profile and is matched with the outer profile of the casing, and the inner profile and the outer profile are respectively connected with other parts and controlled by corresponding sizes so as to avoid interference with adjacent parts. The wall thickness of the engine leather cup is thin, the thickness is only 1.5mm, the whole engine leather cup is rigid and not high in strength, in addition, because the profile is a special-shaped surface, when the bottom edge and the top inner hole of the engine leather cup are cut, the profile can not be directly used for positioning, only a contour line can be manually drawn on the leather cup, and then the leather cup is ground by a bench worker, so that the problems of low cutting operation efficiency, low cutting surface precision and the like are caused.
Disclosure of Invention
The invention aims to provide an engine leather cup cutting clamp and a cutting method, which aim to solve the problems of low cutting operation efficiency and low cutting surface precision when the bottom edge and the top inner hole of an engine leather cup are cut.
The technical scheme for solving the technical problems is as follows:
an engine cup cutting fixture comprising: the base, the pillar and the positioning seat are sequentially connected from bottom to top; the top of the positioning seat is provided with an annular convex block, and an installation groove and a limiting step are formed on the top of the positioning seat through the annular convex block; the mounting groove is positioned on the inner side of the annular convex block, and at least two positioning pins are arranged in the mounting groove; the limiting step is positioned on the outer side of the annular convex block, and the step surface shape of the limiting step is matched with the bottom shape of the engine leather cup; the root part of the convex block, which is close to the limiting step, is provided with a blank holder.
The clamp is used for positioning the engine leather cup when the engine leather cup is cut, the clamp is placed on a working table surface when in use, the engine leather cup is placed on the positioning seat and is contacted with the annular convex block, the step surface of the limiting step and the like to position the whole special-shaped surface of the engine leather cup, meanwhile, the position of the inner hole at the top of the engine leather cup, which is close to the edge of the hole, is connected with the positioning pin to position the installation of the engine leather cup, so as to ensure the installation accuracy of the engine leather cup, because the engine leather cup is generally cut by adopting laser beams, the external force of the laser beams is small, the edge pressing ring is adopted to be placed on the upper surface of the engine leather cup to fix the engine leather cup, components such as a special pressing plate and the like are not required to be arranged for pressing, when the cutting clamp is adopted to position the engine leather cup, the positioning accuracy is high, the installation is simple and convenient, the cutting efficiency and the quality of the engine leather cup are greatly improved, and the batch production is convenient.
When the engine leather cup is placed on the positioning seat, the diapire of engine leather cup bottom and the step face phase-match of spacing step, the diapire of engine leather cup bottom contacts completely with the step face of spacing step promptly, thereby spacing step can support whole diapire (abnormal surface) of engine leather cup bottom, the inside wall and the bellied lateral wall of annular contact completely of engine leather cup, thereby can support the inside wall (abnormal surface) of engine leather cup, the diapire and the bellied top contact of annular at the top of engine leather cup, it is spacing to carry out the axial to the engine leather cup. Therefore, the cutting clamp can position the whole special-shaped surface of the engine leather cup, has high positioning precision and simple and convenient installation, and simultaneously supports the radial direction of the engine leather cup machine in a spreading mode, so that the engine leather cup cannot be deformed when being placed.
In addition, because the position that the top hole of engine leather cup is close to the hole edge is connected with the locating pin, and the position that engine leather cup connects the locating pin is the part that needs to be cut, consequently, the hole edge setting of engine leather cup not only can guarantee the accuracy of location with the locating hole that the locating pin is connected, and the locating hole still can not stay on final finished product after the cutting, ensures the integrality of product.
Furthermore, the positioning pin is a stepped positioning pin, the bottom of the positioning pin extends into the positioning seat from the bottom wall of the mounting groove, and the top of the positioning pin is higher than the top wall of the annular bump.
When the engine leather cup is placed on the positioning seat, the inner wall of the top of the engine leather cup is in contact with the top wall of the annular bump, and the top of the positioning pin is higher than the top of the annular bump, so that the positioning pin can extend into the engine leather cup, and the engine leather cup can be accurately installed on the cutting clamp.
Furthermore, the bottom of the base is provided with a positioning mandrel, and the top of the positioning mandrel extends into the base from the bottom wall of the base.
The positioning mandrel is convenient for connecting the cutting clamp on the working table surface, and the coincidence of the rotation center of the device and the center of the working table is ensured.
Furthermore, the positioning seat is provided with a lightening hole which is positioned on the inner side of the annular bump.
The lightening hole can reduce the use of cutting clamp materials, can lighten the weight of the whole device, can be operated by one operator, and correspondingly reduces the investment of labor cost.
Further, the number of the support columns is at least 3, and the support columns and the positioning pins are arranged around the lightening holes.
Furthermore, two ends of the supporting column are respectively connected with the base and the positioning seat through screws.
A cutting method based on the engine leather cup cutting clamp comprises the following steps:
s1: drilling a positioning hole at the edge of an inner hole at the top of the engine leather cup;
s2: sleeving the positioning hole on the positioning pin, and placing the engine leather cup on the positioning seat, so that an inner hole in the top of the engine leather cup corresponds to the mounting groove, the top wall and the inner side wall of the inner side of the engine leather cup are respectively contacted with the top wall and the outer side wall of the annular bump, and the bottom wall of the bottom of the engine leather cup is contacted with the step surface of the limiting step;
s3: sleeving the blank holder on the outer side of the engine leather cup to enable the blank holder to be in contact with the engine leather cup;
s4: cutting the bottom edge of the engine leather cup;
s5: and cutting the edge of the inner hole at the top of the engine leather cup, wherein the cut part is connected to the locating pin.
When the engine leather cup is cut, the positioning hole is drilled at the position to be cut near the inner hole at the top of the engine leather cup, the positioning hole is matched with the positioning pin to ensure the accurate installation of the engine leather cup, the positioning hole cannot be left on a finished product of the engine leather cup after the cutting is finished, the engine leather cup is positioned by placing the blank holder when placed on the positioning seat, and parts such as a pressing plate and the like are not required to be additionally arranged for pressing, the whole positioning operation of the engine leather cup is simple and convenient, the positioning precision is high, the cutting operation is more convenient, the time of the cutting operation is shortened, the cutting precision is improved, the cutting efficiency and the cutting quality are improved, and the batch production is facilitated.
Further, before the step S2, the positioning mandrel (11) of the base (10) is inserted into the central hole of the worktable.
The invention has the following beneficial effects:
(1) the cutting clamp is used for limiting the engine leather cup, and does not need to be provided with a special pressing plate and other parts for pressing.
(2) The cutting fixture disclosed by the invention has the advantages that the whole positioning operation of the engine leather cup is simple and convenient, the positioning precision is high, the cutting operation is more convenient, the cutting operation time is shortened, the cutting precision is improved, the cutting efficiency and quality are improved, and the batch production is facilitated.
Drawings
FIG. 1 is a schematic structural view of an engine cup cutting fixture of the present invention;
FIG. 2 is a schematic sectional view of the furniture with the engine leather cup cut;
FIG. 3 is a schematic top view of the positioning socket of the present invention;
FIG. 4 is a schematic top view of the engine cup of the present invention;
FIG. 5 is a schematic structural diagram of the engine cup cutting clamp for cutting the engine cup.
In the figure: 10-a base; 11-positioning the mandrel; 20-a pillar; 30-positioning seats; 31-a ring-shaped bump; 32-mounting grooves; 33-a limit step; 34-a positioning pin; 35-a blank holder; 36-lightening holes; 40-engine leather cup; 41-positioning holes.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 3, an engine cup cutting jig includes: the base 10, the pillar 20 and the positioning seat 30 are connected in sequence from bottom to top.
The middle part of base 10 is equipped with the through-hole for connect positioning core axle 11, positioning core axle 11 is big end down's echelonment, and positioning core axle 11's top stretches into in the through-hole from base 10's diapire, and with the lateral wall contact of through-hole, positioning core axle 11's bottom stretches into in table surface's the centre bore, thereby can be connected cutting fixture is whole with table surface.
The number of struts 20 is 3, 3 struts 20 being arranged in a triangle. The top end and the top end of the supporting column 20 respectively extend into the base 10 and the positioning seat 30 and are respectively connected through screws. In this embodiment, the screw is a hexagon socket head cap screw, the base 10 and the positioning seat 30 are respectively provided with screw holes matched with the screw, and all the screw holes are counter bores, so that the screw can be placed inside the base 10 and the positioning seat 30. In other embodiments of the invention, the number of the struts 20 can also be 4, 5, 6, etc., and all struts 20 do not lie exactly on the same line, ensuring an effective support of the positioning socket 30.
The top of the positioning seat 30 is provided with an annular projection 31, so that the top of the positioning seat 30 forms a mounting groove 32 and a limit step 33. The mounting groove 32 is located the inboard of annular lug 31, is equipped with two locating pins 34 in the mounting groove 32, and locating pin 34 is the step locating pin, and its bottom stretches into in the mounting groove 32 from the diapire of mounting groove 32, and the top is higher than the roof of annular lug 31. The positioning pin 34 is used for positioning the engine cup 40 when the engine cup 40 is installed. The limiting step 33 is located on the outer side of the annular convex block 31, the step surface of the limiting step is matched with the bottom shape of the engine leather cup 40, and when the engine leather cup 40 is placed on the positioning seat 30, the edge of the engine leather cup 40 can extend out of the edge of the limiting step 33, so that the cutting operation is facilitated. In this embodiment, the bottom wall shape of the limit step 33 and the shape of the outer side wall of the annular protrusion 31 are consistent with the bottom wall shape and the inner side wall shape of the bottom of the engine cup 40, so that when the engine cup 40 is fastened on the positioning seat 30, the inner side wall of the engine cup 40 is in contact with the outer side wall of the annular protrusion 31, and the bottom wall of the bottom of the engine cup 40 is in contact with the step surface of the limit step 33. In the present embodiment, the junction between the bottom wall of the limit step 33 and the outer side wall of the annular projection 31 is rounded for matching the circular arc structure of the engine cup 40.
The annular bump 31 is sleeved with a blank holder 35, the blank holder 35 is positioned at the joint between the bottom wall of the limiting step 33 and the outer side wall of the annular bump 31, and the engine leather cup 40 is limited by the weight of the blank holder 35. Because the joint has a round angle, the blank holder 35 can be closely contacted with the engine leather cup 40 through extrusion, so that the engine leather cup 40 is limited. In the embodiment, since the profile of the engine cup 40 is a special-shaped surface, the shape of the blank holder 35 matches with the profile of the engine cup 40, so that the blank holder 35 can effectively contact with the engine cup 40.
In order to reduce the use of cutting jig material and to reduce the weight of the entire device, the positioning socket 30 is provided with lightening holes 36, and the lightening holes 36 are through holes and are located on the inner side of the annular projection 31. Meanwhile, the positioning pins 34 and the stay 20 are disposed around the lightening holes 36.
Example 2
Referring to fig. 4 and 5, a cutting method of an engine cup cutting jig according to embodiment 1 includes the following steps:
s1: drilling a positioning hole 41 on the edge of an inner hole at the top of the engine leather cup 40; the edge of the inner hole at the top of the engine leather cup 40 also needs to be cut, the positioning hole 41 is drilled at the cutting part, the integral structure of the engine leather cup 40 cannot be influenced, and the cutting part drilled with the positioning hole 41 is left on the positioning seat 30 after the cutting operation is finished;
s2: extending a positioning mandrel 11 of a base 10 into a central hole of a worktable;
s3: sleeving the positioning hole 41 on the positioning pin 34, and placing the engine leather cup 40 on the positioning seat 30, so that an inner hole in the top of the engine leather cup 40 corresponds to the mounting groove 32, the top wall and the inner side wall of the inner side of the engine leather cup 40 are respectively contacted with the top wall and the outer side wall of the annular convex block 31, and the bottom wall of the bottom of the engine leather cup 40 is contacted with the step surface of the limiting step 33;
s4: sleeving the blank holder 35 on the outer side of the engine leather cup 40 from the outer side of the annular convex block 31, so that the blank holder 35 is in contact with the engine leather cup 40, and limiting the engine leather cup 40 through gravity;
s5: cutting the bottom edge of the engine cup 40 by a laser beam;
s6: the edge of the top inner hole of the engine cup 40 is cut by a laser beam and the cut part is attached to the positioning pin 34.
When carrying out cutting operation to engine leather cup 40, wait to cut the position near the top hole of engine leather cup 40 and bore locating hole 41, guarantee engine leather cup 40's accurate installation through the cooperation between locating hole 41 and the locating pin 34, engine leather cup 40 places on positioning seat 30, and fix a position through placing blank holder 35, do not need additionally to set up parts such as clamp plate and compress tightly, engine leather cup 40's whole location operation is simple and convenient, positioning accuracy is high, be convenient for cutting operation more, thereby the time of cutting operation has been shortened and cutting accuracy has been improved, thereby cutting efficiency and quality have been improved, be convenient for batch production.
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 (8)
1. The utility model provides an engine leather cup cutting jig which characterized in that includes: the base (10), the support column (20) and the positioning seat (30) are sequentially connected from bottom to top; an annular convex block (31) is arranged at the top of the positioning seat (30), and an installation groove (32) and a limiting step (33) are formed at the top of the positioning seat (30) through the annular convex block (31); the mounting groove (32) is positioned on the inner side of the annular convex block (31), and at least two positioning pins (34) are arranged in the mounting groove (32); the limiting step (33) is positioned on the outer side of the annular convex block (31), and the step surface shape of the limiting step (33) is matched with the bottom shape of the engine leather cup (40); the annular bump (31) is provided with a blank holder (35) near the root of the limit step (33).
2. The engine cup cutting jig according to claim 1, characterized in that the positioning pin (34) is a stepped positioning pin, a bottom portion of the positioning pin (34) extends from a bottom wall of the mounting groove (32) into the positioning seat (30), and a top portion of the positioning pin (34) is higher than a top wall of the annular projection (31).
3. The engine cup cutting clamp according to claim 2, characterized in that the bottom of the base (10) is provided with a positioning mandrel (11), and the top of the positioning mandrel (11) extends into the base (10) from the bottom wall of the base (10).
4. The engine cup cutting jig according to any one of claims 1 to 3, characterized in that the positioning seat (30) is provided with lightening holes (36), and the lightening holes (36) are located inside the annular projection (31).
5. The engine cup cutting jig of claim 4, characterized in that the number of the struts (20) is at least 3, and the struts (20) and the positioning pins (34) are both disposed around the lightening holes (36).
6. The engine cup cutting jig according to claim 5, characterized in that both ends of the pillar (20) are connected to the base (10) and the positioning seat (30) by screws, respectively.
7. The cutting method of the engine leather cup cutting clamp based on any one of the claims 1 to 6 is characterized by comprising the following steps:
s1: drilling a positioning hole (41) at the edge of an inner hole at the top of an engine leather cup (40);
s2: sleeving the positioning hole (41) on the positioning pin (34), and placing the engine leather cup (40) on the positioning seat (30);
s3: sleeving the blank holder (35) on the outer side of the engine leather cup (40) so that the blank holder (35) is in contact with the engine leather cup (40);
s4: cutting the bottom edge of the engine cup (40);
s5: the edge of the inner hole at the top of the engine leather cup (40) is cut, and the cut part is connected to the positioning pin (34).
8. The cutting method according to claim 7, characterized in that, before step S2, the positioning mandrel (11) of the base (10) is extended into the central hole of the work table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363653.1A CN111451651B (en) | 2020-04-30 | 2020-04-30 | Engine leather cup cutting clamp and cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363653.1A CN111451651B (en) | 2020-04-30 | 2020-04-30 | Engine leather cup cutting clamp and cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111451651A CN111451651A (en) | 2020-07-28 |
| CN111451651B true CN111451651B (en) | 2022-04-29 |
Family
ID=71672750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010363653.1A Active CN111451651B (en) | 2020-04-30 | 2020-04-30 | Engine leather cup cutting clamp and cutting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111451651B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670193A (en) * | 2022-03-22 | 2022-06-28 | 佛山市科莱机器人有限公司 | Yacht robot cutting device and high-precision yacht cutting method |
| CN114923642A (en) * | 2022-05-13 | 2022-08-19 | 宁波敦泓密封技术有限公司 | Air tightness detection device of gas cup |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999020434A1 (en) * | 1997-10-17 | 1999-04-29 | Thyssen Krupp Stahl Ag | Magnetic holding device for blanks made of ferromagnetic sheet steel which are to be welded to one another |
| CN1403241A (en) * | 2002-10-17 | 2003-03-19 | 江苏大学 | Weld joint movement control method and device in laser tailor-welded blank forming |
| CN103962765A (en) * | 2014-05-20 | 2014-08-06 | 王少华 | Welding gun handle fastening pressing sleeve |
| CN205928016U (en) * | 2016-08-26 | 2017-02-08 | 中航动力股份有限公司 | A quick positioning fixture for ring washer class parts machining |
| CN207547357U (en) * | 2017-09-30 | 2018-06-29 | 中国商用飞机有限责任公司 | For being molded the composite tooling of male bend side ribbed part |
| CN208825909U (en) * | 2018-09-06 | 2019-05-07 | 河南新航航空设备科技有限公司 | A kind of welding fixture |
| CN209998637U (en) * | 2019-04-11 | 2020-01-31 | 李洪海 | novel welding fixture fixing device |
| CN110899501A (en) * | 2019-11-22 | 2020-03-24 | 西安飞机工业（集团）有限责任公司 | Integral forming die and forming method for annular lip of aircraft engine |
-
2020
- 2020-04-30 CN CN202010363653.1A patent/CN111451651B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999020434A1 (en) * | 1997-10-17 | 1999-04-29 | Thyssen Krupp Stahl Ag | Magnetic holding device for blanks made of ferromagnetic sheet steel which are to be welded to one another |
| CN1403241A (en) * | 2002-10-17 | 2003-03-19 | 江苏大学 | Weld joint movement control method and device in laser tailor-welded blank forming |
| CN103962765A (en) * | 2014-05-20 | 2014-08-06 | 王少华 | Welding gun handle fastening pressing sleeve |
| CN205928016U (en) * | 2016-08-26 | 2017-02-08 | 中航动力股份有限公司 | A quick positioning fixture for ring washer class parts machining |
| CN207547357U (en) * | 2017-09-30 | 2018-06-29 | 中国商用飞机有限责任公司 | For being molded the composite tooling of male bend side ribbed part |
| CN208825909U (en) * | 2018-09-06 | 2019-05-07 | 河南新航航空设备科技有限公司 | A kind of welding fixture |
| CN209998637U (en) * | 2019-04-11 | 2020-01-31 | 李洪海 | novel welding fixture fixing device |
| CN110899501A (en) * | 2019-11-22 | 2020-03-24 | 西安飞机工业（集团）有限责任公司 | Integral forming die and forming method for annular lip of aircraft engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111451651A (en) | 2020-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111805173B (en) | Combined machining process for shield edge scraper 45-degree die forging blank | |
| CN111451651B (en) | Engine leather cup cutting clamp and cutting method | |
| CN101462213B (en) | Pin type positioning clamping fixture and method for numerical control cutting machine second cutting workpiece | |
| CN111390476A (en) | Welding positioning device and positioning method for spring disc of automobile shock absorber | |
| CN219293263U (en) | Sawing and drilling integrated clamp for planetary gear support | |
| CN204221053U (en) | A kind of straightener(stator) blade combination with rocking arm is assembled and drilling tool | |
| CN215919787U (en) | Shell clamp structure and vertical machining center | |
| CN104647098A (en) | Microscope eyepiece base housing turning jig | |
| CN104907766A (en) | Group technology machining method of connecting rods | |
| CN219074428U (en) | Drilling tool | |
| CN102205431A (en) | Multi-station processing machine tool for danfoss crank shaft oil hole | |
| CN215469711U (en) | Box concentric positioning fixture | |
| CN214418256U (en) | Knuckle anchor clamps | |
| CN212240040U (en) | Special milling fixture for weak-rigidity slice part | |
| CN113927330A (en) | Work fixture for installing workpiece | |
| CN113798885A (en) | Shell clamp structure and vertical machining center | |
| CN220902528U (en) | Drilling tool and flange shaft | |
| CN112296399A (en) | Special boring fixture | |
| CN220161326U (en) | Lathe fixture for machining motor shell | |
| CN215880014U (en) | V5 automobile air condition compressor protecgulum exhaust inclined hole processing frock | |
| CN222806527U (en) | Fixture tool for special-shaped shaft | |
| CN112059674A (en) | Adjustable thin-wall shell vibration damping clamping device and operation method | |
| CN217859077U (en) | A horizontal broaching machine is with frock clamp for producing high accuracy flange | |
| CN220320080U (en) | Three-phase linkage spring operating mechanism crank arm and processing tool | |
| CN219484463U (en) | Frock is used in linear cutting of tube-shape procapsid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |