CN210451930U - Clamp for milling blade tip of precision forging blade - Google Patents
Clamp for milling blade tip of precision forging blade Download PDFInfo
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- CN210451930U CN210451930U CN201921272049.7U CN201921272049U CN210451930U CN 210451930 U CN210451930 U CN 210451930U CN 201921272049 U CN201921272049 U CN 201921272049U CN 210451930 U CN210451930 U CN 210451930U
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Abstract
The utility model provides an anchor clamps for precision forging blade mills apex, it can solve current precision forging blade and mill apex anchor clamps positioning error great and can't effectively press from both sides tight blade, has influenced blade machining precision to press from both sides the big problem of tight operating load. The blade tip positioning device comprises a base plate, wherein a flange plate positioning component, a blade tip positioning component, a flange plate pressing component and a blade tip pressing component are respectively arranged on the base plate; the blade tip positioning assembly comprises a blade tip positioning block and an air inlet edge positioning block; the flange plate pressing assembly comprises a first pressing block and a second pressing block, wherein the first pressing block is driven by a first cylinder and is used for simultaneously pressing the exhaust edge direction side face and the blade basin direction side face of the flange plate, and the second pressing block is driven by a second cylinder and is used for pressing the bottom surface of the flange plate; the blade tip pressing assembly comprises a blade tip pressing block which is driven by an oil cylinder and used for pressing a blade basin profile of the blade tip, and an exhaust edge pressing block which is driven by a cylinder III and used for pressing an exhaust edge of the blade tip.
Description
Technical Field
The utility model relates to a finish forge blade apex processing frock field specifically is an anchor clamps that is used for finish forge blade to mill apex.
Background
The blades are the main parts of the aeroengine and are characterized in that the shapes and the load conditions are very complex, the number is large, and the sizes are greatly different. Generally, the processing workload of the blade accounts for 30% -40% of the processing workload of the whole engine. Compared with other parts, the blade has the characteristics of shape and performance, and the manufacturing technology of the blade is different from other parts. The main manufacturing process of the blade is divided into two major stages of blank manufacturing and machining. The mechanical processing of the blade mainly comprises the processing of a blade tenon, a blade profile and a mounting plate.
The traditional machining clamp adopts a six-point positioning method to position parts and a mechanical clamping mechanism. However, when the blade tip of the precision forged blade is machined, because the profile structure of the blade is complex and irregular, when the blade is positioned by adopting a traditional six-point positioning method, the positioning error is large, and due to the comprehensive influence of factors such as a mechanical clamping mechanism adopted by a traditional clamp, small contact area between the blade and the clamp, thin blade body thickness of the blade, complex blade shape, insufficient experience of operators and the like, the clamping force of the traditional clamp is limited and cannot be accurately controlled, so that the blade tip is easily moved when the blade tip is milled, the position size of the blade tip is greatly fluctuated, and the machining precision of the blade is influenced. In addition, the mechanical clamping mechanism needs to perform clamping operation through manpower for many times, and extra workload is brought to an operator.
Disclosure of Invention
Milling the great and unable effective tight blade of apex anchor clamps positioning error to current finish forging blade, having influenced blade machining precision to press from both sides the big technical problem of tight operating load, the utility model provides an anchor clamps for finish forging blade mills apex, its positioning accuracy is high, can effectively press from both sides tight blade, guarantees the machining precision of blade apex, and reduces operating personnel work load.
The technical scheme is as follows: the utility model provides a anchor clamps that is used for finish forge blade to mill apex which characterized in that: the device comprises a bottom plate, wherein a flange plate positioning component, a blade tip positioning component, a flange plate pressing component and a blade tip pressing component are respectively arranged on the bottom plate, and the flange plate positioning component comprises a first positioning block for supporting and positioning the side surface of the flange plate in the blade back direction, a second positioning block for positioning the side surface of the flange plate in the air inlet edge direction and a third positioning block for positioning the top surface of the flange plate; the blade tip positioning assembly comprises a blade tip positioning block and a gas inlet edge positioning block, wherein the blade tip positioning block is used for supporting and positioning a blade back profile of a blade tip, and the gas inlet edge positioning block is used for positioning a gas inlet edge of the blade tip; the flange plate pressing assembly comprises a first pressing block and a second pressing block, wherein the first pressing block is driven by a first cylinder and is used for simultaneously pressing the exhaust edge direction side face and the blade basin direction side face of the flange plate, and the second pressing block is driven by a second cylinder and is used for pressing the bottom surface of the flange plate; the blade tip pressing assembly comprises a blade tip pressing block which is driven by an oil cylinder and used for pressing a blade basin-shaped surface of the blade tip, and an exhaust edge pressing block which is driven by a cylinder III and used for pressing an exhaust edge of the blade tip.
It is further characterized in that:
the positioning block I, the positioning block II and the positioning block III are fixed on a vertical seat, the vertical seat is fixedly installed on the bottom plate, the positioning block I is two in number and is used for positioning the two ends of the leaf back side face of the edge plate respectively, the positioning block I and the positioning block II are in contact positioning with the edge plate through bulbs on the top surfaces of the positioning block I and the positioning block II respectively, and the shape of the positioning surface of the positioning block III is matched with that of the contact position of the edge plate.
And the side surface of the vertical seat opposite to the second positioning block is also provided with a flange limiting block, and the flange limiting block is positioned below the first pressing block and used for preventing the flange from sliding down from the vertical seat.
The blade tip positioning block is fixed on the bottom plate, two blade tip positioning faces which are matched with the blade back profile of the blade tip in shape are arranged at the top of the blade tip positioning block, and the air inlet edge positioning block is fixed on the side portion of the blade tip positioning block.
And the side surface of the blade tip positioning block opposite to the air inlet side positioning block is also provided with an air outlet side limiting block, and the air outlet side limiting block is used for preventing the blade tip from sliding down from the blade tip positioning block.
The first air cylinder is obliquely arranged and fixed on the bottom plate, the first compression block is installed on a vertical plate of the first right-angle push plate through a joint, two compression surface shapes of the first compression block are matched with the shapes of the parts, contacted with the flange, of the first compression block respectively, the vertical plate of the first right-angle push plate is fixedly connected with a piston rod of the first air cylinder, and a transverse plate of the first right-angle push plate is in linear sliding fit with the top surface of the first air cylinder.
The second air cylinder is fixed on the bottom plate, the second compression block and the third positioning block are arranged just opposite to each other, the shape of a compression surface of the second compression block is matched with that of a contact position of the second compression block and the flange plate, the second compression block is fixed on a vertical plate of the second right-angle push plate, the vertical plate of the second right-angle push plate is fixedly connected with a piston rod of the second air cylinder, and a transverse plate of the second right-angle push plate is in linear sliding fit with the top surface of the second air cylinder.
The improved blade tip pressing device comprises blade tip pressing blocks, two blade tip pressing blocks, supports, oil cylinders, blade tip positioning faces and blade tip positioning faces, wherein the blade tip pressing blocks are arranged in two, the middle parts of the two blade tip pressing blocks are respectively rotatably installed on the supports, the two supports are respectively fixed on a bottom plate, the number of the oil cylinders is two, the two oil cylinders correspond to the two supports, the oil cylinders are fixed on the bottom plate, the upper ends of piston rods of the oil cylinders are rotatably connected with the corresponding rear ends of the blade tip pressing blocks, blade tip pressing faces matched with the shapes of blade basin molded faces of blade tips are arranged at the bottoms of the front ends of the blade tip pressing blocks.
The third air cylinder is fixed on the bottom plate, the exhaust edge pressing block corresponds to the air inlet edge positioning block, the exhaust edge pressing block is fixed on a vertical plate of the third right-angle push plate, the vertical plate of the third right-angle push plate is fixedly connected with a piston rod of the third air cylinder, and a transverse plate of the third right-angle push plate is in linear sliding fit with the top surface of the third air cylinder.
The first air cylinder, the second air cylinder and the third air cylinder are respectively connected with air cylinder speed regulating valves, and the three air cylinder speed regulating valves are respectively fixed on the bottom plate through corresponding speed regulating valve mounting plates.
The utility model has the advantages that:
the blade tip milling clamp is provided with three positioning blocks at the edge plate position, the edge plate can be respectively positioned along the basin back direction, the air inlet and outlet edge direction and the axial direction, and then the edge plate is pressed from the three directions through the edge plate pressing assembly; the blade tip positioning block and the air inlet edge positioning block are arranged at the blade tip part, so that the blade tip can be positioned along the basin back direction and the air inlet and exhaust edge direction, the blade tip is compressed from the two directions through the blade tip compressing assembly, and the compressing force of the edge plate compressing assembly and the blade tip compressing assembly is provided by an air cylinder or an oil cylinder, so that the accurate positioning and stable and reliable compressing of the blade are realized, and the machining precision of the blade tip is effectively ensured to meet the product requirement; meanwhile, as the pressing is driven by the air cylinder or the oil cylinder, under the condition of meeting the pressing force requirement, the safety and the convenience in processing can be improved, the workload of operators is reduced to a certain extent, the labor force is liberated, and the risk of injury to the operators and products is reduced; furthermore, the utility model discloses an its apex locating component of anchor clamps and flange board locating component have obvious difference, can effectively reduce operating personnel and lead to the problem that the blade was placed the mistake because of the experience is not enough, play the function of preventing slow-witted mistake proofing.
Drawings
FIG. 1 is a top view of the present invention (including the blades);
FIG. 2 is a schematic view of the overall structure (including the blades) in one direction of the present invention;
fig. 3 is a schematic view of the overall structure in another direction of the present invention;
FIG. 4 is a schematic view of an installation structure of a blade tip positioning block, an air inlet edge positioning block and an air outlet edge limiting block;
FIG. 5 is a schematic view of an installation structure of a first positioning block, a second positioning block, a third positioning block and a limiting block of a flange plate;
fig. 6 is a schematic view of the overall structure of the blade (omitting the blade root).
Reference numerals:
1-a bottom plate; 2-standing; 3-support; 4-cylinder speed regulating valve; 5-speed regulating valve mounting plate;
10-a flange positioning assembly; 11-positioning a first block; 12-positioning block II; 13-positioning block III; 14-a flange stop; 15-bulb;
20-a blade tip positioning assembly; 21-a blade tip positioning block; 211-tip location surface; 22-air inlet edge positioning block; 23-an exhaust edge limiting block;
30-a flange hold down assembly; 31-a first cylinder; 32-a first compression block; 33-cylinder two; 34-a second compression block; 35-an articulation joint; 36-a right-angle push plate I; a 37-right-angle push plate II;
40-a tip hold down assembly; 41-oil cylinder; 42-blade tip compact block; 43-cylinder three; 44-an exhaust edge compression block; a 45-right-angle push plate III;
50-the blade back direction side of the edge plate; 51-the gas inlet edge direction side of the edge plate; 52-top surface of the flange; 53-exhaust edge direction side of the edge plate; 54-basin direction side of the platform; 55-the bottom surface of the flange; 56-blade back profile; 57-air inlet side; 58-leaf basin profile; 59-exhaust edge.
Detailed Description
Referring to fig. 1 to 6, the utility model discloses a fixture for precision forging blade milling blade tip, which comprises a bottom plate 1, wherein a flange plate positioning component 10, a blade tip positioning component 20, a flange plate pressing component 30 and a blade tip pressing component 40 are respectively arranged on the bottom plate 1, the flange plate positioning component 10 comprises a first positioning block 11 for supporting and positioning a blade back direction side surface 50 of the flange plate, a second positioning block 12 for positioning an air inlet edge direction side surface 51 of the flange plate and a third positioning block 13 for positioning a top surface 52 of the flange plate; the tip locating assembly 20 includes a tip locating block 21 for supporting and locating the tip back profile 56 of the tip, and a suction edge locating block 22 for locating the suction edge 57 of the tip; the flange pressing assembly 30 comprises a first pressing block 32 which is driven by a first air cylinder 31 and is used for simultaneously pressing the exhaust edge direction side surface 53 of the flange and the blade basin direction side surface 54 of the flange, and a second pressing block 34 which is driven by a second air cylinder 33 and is used for pressing the bottom surface 55 of the flange; the tip hold-down assembly 40 includes a tip hold-down block 42 driven by a cylinder 41 for holding down a bucket surface 58 of the tip, and an exhaust edge hold-down block 44 driven by a cylinder three 43 for holding down an exhaust edge 59 of the tip.
Referring to fig. 1, 5 and 6, a first positioning block 11, a second positioning block 12 and a third positioning block 13 are all fixed on a vertical base 2, the vertical base 2 is fixedly installed on a bottom plate 1, the number of the first positioning blocks 11 is two, the first positioning blocks 11 are respectively used for positioning two ends of a blade back direction side face 50 of a flange plate, the first positioning blocks 11 and the second positioning blocks 12 are in contact positioning with the flange plate through ball heads 15 on respective top faces, and the shape of a positioning face of the third positioning block 13 is matched with the shape of a contact part of the positioning face and the flange plate. By the design, the first positioning block 11, the second positioning block 12 and the third positioning block 13 form a whole, so that the installation is more convenient, the positioning accuracy is also convenient to ensure, and the positioning accuracy can be further ensured by the design of the ball head and the profiling surface.
Referring to fig. 3, a flange plate limiting block 14 is further installed on the side surface of the vertical seat 2 opposite to the second positioning block 12, and the flange plate limiting block 14 is located below the first pressing block 32 and used for preventing the flange plate from sliding off the vertical seat 2. By the design, when the edge plate pressing assembly and the blade tip pressing assembly are not used for pressing the blade, the edge plate cannot slide off the vertical base even if the blade is placed on the edge plate positioning assembly and the blade tip positioning assembly.
Referring to fig. 3 and 4, the tip positioning block 21 is fixed on the base plate 1, and two tip positioning surfaces 211 corresponding to the shape of the blade back profile 56 of the blade tip are disposed on the top of the tip positioning block, and the air inlet edge positioning block 22 is fixed on the side of the tip positioning block 21. By the design, the blade tip positioning block and the air inlet edge positioning block form a whole, so that the installation is more convenient, the positioning precision is also convenient to guarantee, and the positioning precision can be further guaranteed by the profiling surface design.
Referring to fig. 3 and 4, an exhaust edge limiting block 23 is further installed on a side surface of the tip positioning block 21 opposite to the inlet edge positioning block 22, and the exhaust edge limiting block 23 is used for preventing the tip of the blade from sliding off the tip positioning block 21. So design, when not using the listrium to compress tightly the subassembly and the apex compresses tightly the subassembly and compresses tightly the blade, even put the blade on listrium locating component and apex locating component, the apex can not follow the landing on the apex locating piece yet.
See fig. 2, cylinder 31 is the slope setting and fixes on bottom plate 1, compact heap 32 installs on the riser of right angle push pedal 36 through joint 35, two shape of compaction face of compact heap 32 suit rather than the position shape that contacts with the flange respectively, the riser of right angle push pedal 36 and the piston rod fixed connection of cylinder 31, the diaphragm of right angle push pedal 36 and the cylinder body top surface straight line sliding fit of cylinder 31, wherein, straight line sliding fit's mode can adopt slider and linear guide, also can adopt modes such as key and keyway. The first compression block is installed on the vertical plate of the first right-angle push plate through a joint, so that in the compression process, the first compression block can be self-adaptive to two surfaces of the compression flange plate, compression stability is guaranteed, meanwhile, the vertical plate of the first right-angle push plate is fixedly connected with the piston rod of the first air cylinder, the transverse plate of the first right-angle push plate is in linear sliding fit with the top surface of the first air cylinder, accuracy of the moving direction of the first right-angle push plate can be guaranteed, and compression effect is further guaranteed.
Referring to fig. 3, the second cylinder 33 is fixed on the bottom plate 1, the second pressing block 34 is arranged opposite to the third positioning block 13, the pressing surface of the second pressing block is matched with the edge plate in shape, the second pressing block 34 is fixed on the vertical plate of the second right-angle pushing plate 37, the vertical plate of the second right-angle pushing plate 37 is fixedly connected with the piston rod of the second cylinder 33, and the transverse plate of the second right-angle pushing plate 37 is in linear sliding fit with the top surface of the cylinder body of the second cylinder 33. So design, the compressing tightly flange that compact heap two can be better, the setting of right angle push pedal two can further guarantee to compress tightly the effect.
Referring to fig. 2 to 4, two blade tip pressing blocks 42 are provided, the middle portions of the two blade tip pressing blocks 42 are respectively rotatably mounted on the supports 3, the two supports 3 are respectively fixed on the base plate 1, the number of the oil cylinders 41 is two and is set corresponding to the two supports 3, the oil cylinders 41 are fixed on the base plate 1, the upper ends of the piston rods of the oil cylinders 41 are rotatably connected with the rear ends of the corresponding blade tip pressing blocks 42, blade tip pressing surfaces adapted to the shape of the basin-shaped blade surface 58 of the blade tip are provided at the bottoms of the front ends of the blade tip pressing blocks 42, and the two blade tip pressing surfaces are respectively arranged opposite to the two blade tip positioning surfaces 211. By the design, the blade tip pressing block can better press the blade tip part of the blade, and the pressing stability and reliability are guaranteed.
Referring to fig. 2, the third cylinder 43 is fixed on the bottom plate 1, the exhaust edge pressing block 44 is arranged corresponding to the intake edge positioning block 22, the exhaust edge pressing block 44 is fixed on a vertical plate of the right-angle pushing plate three 45, the vertical plate of the right-angle pushing plate three 45 is fixedly connected with a piston rod of the third cylinder 43, and a transverse plate of the right-angle pushing plate three 45 is in linear sliding fit with the top surface of the third cylinder 43. So design, the exhaust limit compact heap can be better compress tightly the exhaust limit of apex, and the setting of right angle push pedal three can further guarantee to compress tightly the effect.
Referring to fig. 1 to 3, the first cylinder 31, the second cylinder 33 and the third cylinder 43 are respectively connected with a cylinder speed regulating valve 4, and the three cylinder speed regulating valves 4 are respectively fixed on the bottom plate 1 through corresponding speed regulating valve mounting plates 5. By the design, the speed of the three cylinders is controllable, and the blades can be prevented from being damaged in the process of pressing the blades.
Adopt below the concrete description the utility model discloses the process of anchor clamps clamping blade: firstly, simply cleaning the clamp, then installing the clamp to the corresponding machining position of the machine tool, ensuring that the clamp is stably installed, roughly placing the blade to be machined in the positioning area of the vertical seat 2 and the blade tip positioning block 21, limiting the blade through the edge plate limiting block 14 and the exhaust edge limiting block 23, preventing the blade from sliding off, checking that the blade does not have too much deviation positioning area, firstly driving the pressing block second 34 to press the edge plate through the cylinder second 33, driving the pressing block first 32 to further press the edge plate through the cylinder first 31, driving the exhaust edge 57 of the blade tip of the exhaust edge pressing block 44 through the cylinder third 43, finally driving the blade tip pressing block 42 to press the blade basin molded surface 58 of the blade tip through the oil cylinders 41 at two sides, completing the positioning and clamping of the blade, and then milling the blade tip part of the blade.
Claims (10)
1. The utility model provides a anchor clamps that is used for finish forge blade to mill apex which characterized in that: the device comprises a bottom plate, wherein a flange plate positioning component, a blade tip positioning component, a flange plate pressing component and a blade tip pressing component are respectively arranged on the bottom plate, and the flange plate positioning component comprises a first positioning block for supporting and positioning the side surface of the flange plate in the blade back direction, a second positioning block for positioning the side surface of the flange plate in the air inlet edge direction and a third positioning block for positioning the top surface of the flange plate; the blade tip positioning assembly comprises a blade tip positioning block and a gas inlet edge positioning block, wherein the blade tip positioning block is used for supporting and positioning a blade back profile of a blade tip, and the gas inlet edge positioning block is used for positioning a gas inlet edge of the blade tip; the flange plate pressing assembly comprises a first pressing block and a second pressing block, wherein the first pressing block is driven by a first cylinder and is used for simultaneously pressing the exhaust edge direction side face and the blade basin direction side face of the flange plate, and the second pressing block is driven by a second cylinder and is used for pressing the bottom surface of the flange plate; the blade tip pressing assembly comprises a blade tip pressing block which is driven by an oil cylinder and used for pressing a blade basin-shaped surface of the blade tip, and an exhaust edge pressing block which is driven by a cylinder III and used for pressing an exhaust edge of the blade tip.
2. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the positioning block I, the positioning block II and the positioning block III are fixed on a vertical seat, the vertical seat is fixedly installed on the bottom plate, the positioning block I is two in number and is used for positioning the two ends of the leaf back side face of the edge plate respectively, the positioning block I and the positioning block II are in contact positioning with the edge plate through bulbs on the top surfaces of the positioning block I and the positioning block II respectively, and the shape of the positioning surface of the positioning block III is matched with that of the contact position of the edge plate.
3. The clamp for finish forging a blade milling tip as claimed in claim 2, wherein: and the side surface of the vertical seat opposite to the second positioning block is also provided with a flange limiting block, and the flange limiting block is positioned below the first pressing block and used for preventing the flange from sliding down from the vertical seat.
4. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the blade tip positioning block is fixed on the bottom plate, two blade tip positioning faces which are matched with the blade back profile of the blade tip in shape are arranged at the top of the blade tip positioning block, and the air inlet edge positioning block is fixed on the side portion of the blade tip positioning block.
5. The clamp for finish forging a blade milling tip as claimed in claim 4, wherein: and the side surface of the blade tip positioning block opposite to the air inlet side positioning block is also provided with an air outlet side limiting block, and the air outlet side limiting block is used for preventing the blade tip from sliding down from the blade tip positioning block.
6. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the first air cylinder is obliquely arranged and fixed on the bottom plate, the first compression block is installed on a vertical plate of the first right-angle push plate through a joint, two compression surface shapes of the first compression block are matched with the shapes of the parts, contacted with the flange, of the first compression block respectively, the vertical plate of the first right-angle push plate is fixedly connected with a piston rod of the first air cylinder, and a transverse plate of the first right-angle push plate is in linear sliding fit with the top surface of the first air cylinder.
7. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the second air cylinder is fixed on the bottom plate, the second compression block and the third positioning block are arranged just opposite to each other, the shape of a compression surface of the second compression block is matched with that of a contact position of the second compression block and the flange plate, the second compression block is fixed on a vertical plate of the second right-angle push plate, the vertical plate of the second right-angle push plate is fixedly connected with a piston rod of the second air cylinder, and a transverse plate of the second right-angle push plate is in linear sliding fit with the top surface of the second air cylinder.
8. The clamp for finish forging a blade milling tip as claimed in claim 4, wherein: the improved blade tip pressing device comprises blade tip pressing blocks, two blade tip pressing blocks, supports, oil cylinders, blade tip positioning faces and blade tip positioning faces, wherein the blade tip pressing blocks are arranged in two, the middle parts of the two blade tip pressing blocks are respectively rotatably installed on the supports, the two supports are respectively fixed on a bottom plate, the number of the oil cylinders is two, the two oil cylinders correspond to the two supports, the oil cylinders are fixed on the bottom plate, the upper ends of piston rods of the oil cylinders are rotatably connected with the corresponding rear ends of the blade tip pressing blocks, blade tip pressing faces matched with the shapes of blade basin molded faces of blade tips are arranged at the bottoms of the front ends of the blade tip pressing blocks.
9. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the third air cylinder is fixed on the bottom plate, the exhaust edge pressing block corresponds to the air inlet edge positioning block, the exhaust edge pressing block is fixed on a vertical plate of the third right-angle push plate, the vertical plate of the third right-angle push plate is fixedly connected with a piston rod of the third air cylinder, and a transverse plate of the third right-angle push plate is in linear sliding fit with the top surface of the third air cylinder.
10. The clamp for finish forging a blade milling tip as claimed in claim 1, wherein: the first air cylinder, the second air cylinder and the third air cylinder are respectively connected with air cylinder speed regulating valves, and the three air cylinder speed regulating valves are respectively fixed on the bottom plate through corresponding speed regulating valve mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272049.7U CN210451930U (en) | 2019-08-07 | 2019-08-07 | Clamp for milling blade tip of precision forging blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272049.7U CN210451930U (en) | 2019-08-07 | 2019-08-07 | Clamp for milling blade tip of precision forging blade |
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| Publication Number | Publication Date |
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| CN210451930U true CN210451930U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921272049.7U Active CN210451930U (en) | 2019-08-07 | 2019-08-07 | Clamp for milling blade tip of precision forging blade |
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| CN (1) | CN210451930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664568A (en) * | 2021-09-29 | 2021-11-19 | 中国航发动力股份有限公司 | Measurement tool and coordinate system establishing method |
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2019
- 2019-08-07 CN CN201921272049.7U patent/CN210451930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664568A (en) * | 2021-09-29 | 2021-11-19 | 中国航发动力股份有限公司 | Measurement tool and coordinate system establishing method |
| CN113664568B (en) * | 2021-09-29 | 2022-07-19 | 中国航发动力股份有限公司 | Measurement tool and coordinate system establishing method |
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