CN112207649B - Casting inner hole processing tool and processing method - Google Patents
Casting inner hole processing tool and processing method Download PDFInfo
- Publication number
- CN112207649B CN112207649B CN202010988053.4A CN202010988053A CN112207649B CN 112207649 B CN112207649 B CN 112207649B CN 202010988053 A CN202010988053 A CN 202010988053A CN 112207649 B CN112207649 B CN 112207649B
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- inner hole
- head
- processing head
- motor
- protective sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/027—Other grinding machines or devices having a flexible shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a casting inner hole processing tool which comprises a processing head (1), a control wire (2), a processing head protective sleeve (3), a transmission metal wire (4), a spiral spring protective sleeve (5) and a motor. The invention realizes the cleaning and the mechanical processing of the complex inner wall surface and provides a conveying scheme for accurately conveying a machining tool to the complex inner hole or the inner wall of the casting; and a supporting structure of a machining tool in a complex inner hole or inner wall of the casting is also provided, so that the quality and the machining production efficiency of the casting product are improved.
Description
Technical Field
The invention relates to the field of casting inner hole/inner wall fine treatment, and particularly provides a casting inner hole treatment tool and a treatment method, which are particularly suitable for treating complex or bent inner holes.
Background
With the progress of technology, various components in the fields of aviation, aerospace and automobiles are developed towards light weight and high integration, such as complex aluminum alloy casings and shells of aircraft engines, aircraft, automobile fuel oil, hydraulic system components and the like. The aluminum alloy parts with highly integrated complex and long oil passages, gas passages and oil tank structures are mostly formed by adopting a casting method, and stubborn excess such as small casting nodules, metal batch seams, coating skins, residual sand and the like are easily adhered to the inner wall of a pipeline/cavity due to the reasons of insufficient strength of a core, cracking of the core, high mold filling and feeding pressure, uneven coating brushing and the like in the casting process, so that the aluminum alloy parts are not easy to clean, and finally the functions of the parts are influenced, and safety accidents are caused.
At present, aiming at the condition that the inner wall of a pipeline/cavity of the type, especially a complex slender structure with the cross section diameter of 5-10 mm and the length of 200-600 mm, has small cast nodules, metal batch seams, coating skins, residual sand and other stubborn excess, the positions of the stubborn excess cannot be reached by means of common sand blasting, high-pressure water gun washing and the like, the stubborn excess cannot be effectively cleaned, abrasive particle flow, ultrasonic cleaning and the like cannot be effectively removed, the stubborn excess can only be treated by adopting a mode of drilling, polishing, cleaning and repair welding repair outside the excess positions, the process is complex, the casting is damaged, and the repair welding brings more uncertainty to the quality of the casting; if the position of the redundant object is in the deep inside of the workpiece or the overlapped part of the structure, the workpiece can only be scrapped and the mass loss is large.
In addition, also have through the similar flexible propelling movement instrument of launching dredge mechanism with the inside clearance of tool bit deep hole, but never consider the protection of tool bit and the protection of empty inner wall, can harm the downthehole wall that does not need the processing in tool bit transportation process, also can make the tool bit wear in advance simultaneously, especially in the finish machining field, the life of tool bit is very short, when curved hole or passageway are too long, the tool bit is because wearing and tearing in advance, when arriving the operating position, can't guarantee the machining precision.
Therefore, the invention has important practical significance in inventing the efficient cleaning tool for the complex elongated pipeline/cavity redundant objects in the aluminum alloy products.
Disclosure of Invention
The purpose of the invention is: aiming at the problems, the invention provides a structure capable of safely and reliably conveying the cutter bit into the complex aperture for cutting, and solves the technical problem of finish machining of the inner wall and the inner hole of the complex casting.
The technical scheme of the invention is as follows:
the invention provides a casting inner hole processing tool which comprises a processing head 1, a control wire 2, a processing head protective sleeve 3, a transmission metal wire 4, a spiral spring protective sleeve 5 and a motor 6, wherein the processing head is fixedly connected with the control wire 2;
the machining head 1 is rotatably arranged in a machining head protective sleeve through a rotating shaft 7, one end of the machining head is a working end, and the other end of the machining head is a control end;
the front end of the control wire is connected to the control end, and the rear end of the control wire is an operation end 8;
the spiral spring protective sleeve is sleeved outside the transmission metal wire and the control wire, the front end of the spiral spring protective sleeve is axially limited at the rear end of the machining head protective sleeve, and the rear end of the spiral spring protective sleeve is axially limited at the front end of the motor;
the front end of the transmission metal wire is connected with the processing head protective sleeve, and the transmission metal wire and the processing head protective sleeve are integrally and rotatably arranged;
An output shaft of the motor is connected with the rear end of the transmission metal wire, and the transmission metal wire is driven by the output shaft of the motor to integrally rotate;
the processing head can rotate between protection position and operating position under the drive of control silk, and in protection position, the processing head protective sheath can shield the processing head can be handled foundry goods downthehole wall at the operating position processing head.
Further, processing head protective sheath with be provided with reset spring 9 between the processing head, reset spring is used for providing the elastic force that resets protection position or operating position with the processing head. Furthermore, the return spring is a spiral spring or a torsion spring.
Furthermore, the processing head 1 can be a hard alloy tool bit, a friction head, a knocking ball head, a spray head or a camera. When the processing head 1 is a spray head or a camera, the processing head control end 1-2 should be connected with a spray liquid transmission pipeline or an image transmission line.
Furthermore, the protective sleeve is of an arc-shaped outer contour and can play a guiding role on the inner wall of the casting hole.
Further, when the motor 6 is a rotating motor, the processing head 1 is driven by the motor to rotate to complete cleaning operation; furthermore, when the motor 6 is a pulse type reciprocating motor, the processing head control end 1-2 can be abutted against the inner wall of the inner hole of the casting to form a supporting structure, and the processing head working end 1-1 is driven by the motor to rotate in a reciprocating mode, so that cleaning operation can be completed aiming at a specific position.
For example, when the processing head is a hard alloy cutter head, the position of a complex inner hole and the position of a surplus object needing to be cleaned on the inner wall are determined by means of an endoscope and the like; then using a tool to carry out cleaning operation, firstly checking that a tool machining head is in a protection position, extending the tool into the inner hole, leading the tool to enter the inner hole of the pipeline/cavity along the direction of the pipeline/cavity by guiding the tool through an arc-shaped machining head protection sleeve at the end part, and reaching the position of redundant materials; then, the control wire drives the processing head to rotate to a working position through operation of the operation end, and then the motor is turned on to enable the processing head to rotate to clean excess; and after cleaning, the motor is turned off, the operation end is operated to reset the machining head to a protection position, the cleaning tool is taken out, and cleaned excess scraps are blown out of the inner hole through compressed air to finish cleaning.
When the processing head is a friction head, a knocking ball head, a spraying head or a camera 15, the conveying process of the processing head in the complex inner hole is similar to that of a hard alloy tool bit and reaches a working area under the protection and the guidance of an arc-shaped processing head protective sleeve, then the processing head is driven to rotate to a working position through a control wire, and the friction head and the knocking ball head rotate through the rotation driven by a motor to perform fine processing on the surface of the inner wall of the inner hole; the spraying head transmits spraying liquid through a spraying liquid transmission pipeline at the control end of the processing head to accurately spray the inner wall surface of the inner hole; the camera carries out accurate observation of the inner wall of the inner hole through the image transmission line.
The invention has the advantages that: the invention realizes the cleaning and the mechanical processing of the complex inner wall surface and provides a conveying scheme for accurately conveying a machining tool to the complex inner hole or the inner wall of the casting; and a support structure of a machining tool in a complex inner hole or inner wall of the casting is also provided, so that the quality and the machining production efficiency of the casting product are improved.
Drawings
FIG. 1 is a schematic view of a cleaning tool according to the present invention;
FIG. 2 is a schematic view of the tool head in a protective position during transport of the tool of the present invention;
FIG. 3 is a schematic view of the tool head of the present invention in operation in an operative position;
FIG. 4 is a schematic view of an arc-shaped machining head protective sleeve of the present invention for guiding an inner hole;
FIG. 5 is a schematic view of the drive wire and control wire of the present invention;
FIGS. 6a to 6d are schematic structural views of the processing head of the present invention being a friction head, a knocking ball head, a spray head or a camera, respectively;
wherein: the device comprises a processing head 1, a processing head working end 1-1, a processing head control end 1-2, a control wire 2, a processing head protective sleeve 3, a transmission metal wire 4, a spiral spring protective sleeve 5, a motor 6, a rotating shaft 7, an operation end 8, a return spring 9, an inner wall adhesion surplus object 10 to be cleaned, a pipe wall 11, a friction head 12, a knocking ball head 13, a spraying head 14 and a camera 15.
Detailed Description
The present invention is described in further detail below.
As shown in figure 1, the invention provides a casting inner hole processing tool, which comprises a processing head (1), a control wire (2), a processing head protective sleeve (3), a transmission metal wire (4), a spiral spring protective sleeve (5) and a motor (6); wherein: the spiral spring protective sleeve (5) is sleeved outside the transmission metal wire (4) and the control wire (2), the front end of the spiral spring protective sleeve (5) is axially limited at the rear end of the machining head protective sleeve (3), and the rear end of the spiral spring protective sleeve is axially limited at the front end of the motor (6); the front end of the transmission metal wire (4) is connected with the processing head protective sleeve, and the transmission metal wire (4) and the processing head protective sleeve (3) are integrally and rotatably arranged; an output shaft of the motor (6) is connected with the rear end of the transmission metal wire (4), and the transmission metal wire (4) is driven by the output shaft of the motor to rotate integrally.
As shown in fig. 2, a processing head (1) is rotatably mounted in a processing head protective sleeve (3) through a rotating shaft (7), and one end of the processing head is a working end (1-1) while the other end is a control end (1-2); meanwhile, the machining head (1) can rotate between a protection position and a working position under the drive of the control wire (2), and in the protection position, the machining head protective sleeve (3) can shield the machining head (1) to prevent a tool from contacting with the inner wall of a hole in the advancing process of the inner hole of the casting; the processing head (1) can process the inner wall of the casting hole at the working position; furthermore, a return spring (9) is arranged between the processing head protective sleeve (3) and the processing head (1) and is used for providing elastic force for returning the processing head to a protection position or a working position.
As shown in fig. 3, the processing head (1) is driven by the control wire (2) to extend out of the processing head protective sleeve (3) and be in a working position, and the processing head is driven by the motor to rotate, so that the inner wall of the inner hole of the casting can be effectively processed; in addition, when the machining head works, the control end (1-2) can be abutted against the inner wall of the inner hole of the casting to form a supporting structure, and the machining head working end (1-1) rotates in a reciprocating mode under the driving of the pulse type reciprocating motor, so that the cleaning operation can be completed aiming at a specific position.
As shown in figure 4, the processing head protective sleeve (3) has an arc-shaped outer contour, can play a role in guiding the inner wall of the casting hole, and can guide a tool to smoothly reach the position of redundant materials in the complex inner hole.
As shown in fig. 5, the front end of the control wire (2) is connected to the processing head control end (1-2), and the rear end is the operation end (8); the front end of the transmission metal wire (4) is connected with the processing head protective sleeve, and the rear end is connected with the output shaft of the motor (6).
As shown in fig. 6, the machining head (1) may be a cemented carbide tip, a friction head, a knock ball head, a spray head or a camera.
The invention also provides a method for processing the complex slender inner hole by using the casting inner hole processing tool, which comprises the following specific cleaning processes:
s1, placing the casting needing to be subjected to complex inner hole treatment on a cleaning platform, and determining the position needing to be treated in the complex inner hole by means of an endoscope, visual observation and the like;
S2, checking that the processing head (1) in the processing tool is at a protection position, enabling an operator to stretch the tool into a complex inner hole, and guiding the cleaning tool to advance along the extension direction of the inner hole by virtue of the arc-shaped processing head protection sleeve (3) to reach a position to be processed in the inner hole;
s3, operating the operation end to enable the control wire to drive the processing head to rotate to a working position, and then turning on the motor to enable the processing head to rotate to clean excess;
s4, after scraping and cleaning for many times, the motor is closed, the operation end is operated to reset the processing head to a protection position, the cleaning tool is taken out, and the cleaned excess scraps are blown out of the inner hole through compressed air to finish cleaning; and observing whether the excess in the pipeline/cavity is cleaned up or not by means of the endoscope.
In addition, the steps 2-4 can be carried out for a plurality of times until the excess in the inner hole is cleaned, and the cleaning work is finished.
Further, when the processing head is a friction head, a knocking ball head, a spraying head or a camera, the conveying process of the processing head in the complex inner hole is similar to that of a hard alloy tool bit and reaches a working area under the protection and the guidance of a protective sleeve of the arc-shaped processing head, then the processing head is driven to rotate to a working position through a control wire, and the friction head and the knocking ball head rotate through the rotation driven by a motor to perform fine processing on the surface of the inner wall of the inner hole; the spraying head transmits spraying liquid through a spraying liquid transmission pipeline at the control end of the processing head to accurately spray the inner wall surface of the inner hole; the camera carries out accurate observation of the inner wall of the inner hole through the image transmission line.
The invention provides a casting complex inner hole processing tool and a method for processing an inner hole by using the same, which realize the cleaning and the mechanical processing of a complex inner wall surface and provide a conveying scheme for accurately conveying a machining tool to the complex inner hole or the inner wall of a casting on the premise of not damaging the inner wall and a processing head of the casting; and a support structure of a machining tool in a complex inner hole or inner wall of the casting is also provided, so that the quality and the machining production efficiency of the casting product are improved.
Claims (9)
1. A foundry goods hole processing tool which characterized in that: the device comprises a processing head, a control wire, a processing head protective sleeve, a transmission metal wire, a spiral spring protective sleeve and a motor;
the machining head is rotatably arranged in the machining head protective sleeve through a rotating shaft, and one end of the machining head is a working end while the other end is a control end;
the front end of the control wire is connected to the control end, and the rear end of the control wire is an operation end;
the spiral spring protective sleeve is sleeved outside the transmission metal wire and the control wire, the front end of the spiral spring protective sleeve is axially limited at the rear end of the machining head protective sleeve, and the rear end of the spiral spring protective sleeve is axially limited at the front end of the motor;
the front end of the transmission metal wire is connected with the processing head protective sleeve, and the transmission metal wire and the processing head protective sleeve are integrally and rotatably arranged;
An output shaft of the motor is connected with the rear end of the transmission metal wire, and the transmission metal wire is driven by the output shaft of the motor to integrally rotate;
the processing head can rotate between protection position and operating position under the drive of control silk, and in protection position, the processing head protective sheath can shield the processing head can be handled foundry goods downthehole wall at the operating position processing head.
2. A cast internal bore treatment tool according to claim 1, wherein: processing head protective sheath with be provided with reset spring between the processing head, reset spring is used for providing the elastic force that resets protection position or operating position with the processing head.
3. A cast internal bore treatment tool as claimed in claim 2 wherein: the reset spring is a spiral spring or a torsion spring.
4. A cast internal bore treatment tool as claimed in claim 1 wherein: the processing head is a hard alloy tool bit, a friction head, a knocking ball head, a spray head or a camera.
5. A cast internal bore treatment tool as claimed in claim 1 wherein: the protective sleeve is of an arc-shaped outer contour and can play a guiding role on the inner wall of the casting hole.
6. A cast internal bore treatment tool as claimed in claim 1 wherein: the motor is a rotating motor, and the processing head rotates under the driving of the motor to complete the cleaning operation.
7. A cast internal bore treatment tool as claimed in claim 1 wherein: the motor is a pulse type reciprocating motor, the working end of the machining head rotates in a reciprocating mode under the driving of the motor, and cleaning operation can be completed aiming at specific positions.
8. The method for treating the inner hole of the casting by using the inner hole treatment tool for the casting as claimed in claim 1,
step 1, placing a casting needing inner hole treatment on a cleaning platform, and visually determining the position needing to be treated in an inner hole through an endoscope; the inner hole is a curved inner hole;
step 2, the processing head (1) of the inner hole processing tool is positioned at a protection position, the inner hole processing tool is stretched into the inner hole, and the processing head is guided to move forward along the extension direction of the inner hole by virtue of an arc-shaped processing head protection sleeve (3) to reach a position to be processed inside the inner hole;
step 3, driving the operation end to enable the control wire to drive the machining head to rotate to a working position, and then driving the machining head to rotate through the motor to clean the redundant materials;
step 4, after cleaning for multiple times, closing the motor, driving the operation end to reset the machining head to a protection position, taking out the cleaning tool, blowing the cleaned excess debris out of the inner hole through compressed air, and finishing cleaning; observing whether the excess in the inner hole is cleaned up again by means of an endoscope;
And the step 2-4 is carried out for a plurality of times until the excess in the inner hole is cleaned, and the cleaning work is finished.
9. The method of treating an internal bore of a casting internal bore treatment tool according to claim 8, wherein: the mode of clearing the excess in the step 3 is cutting or rubbing.
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CN202010988053.4A CN112207649B (en) | 2020-09-18 | 2020-09-18 | Casting inner hole processing tool and processing method |
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CN202010988053.4A CN112207649B (en) | 2020-09-18 | 2020-09-18 | Casting inner hole processing tool and processing method |
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CN112207649B true CN112207649B (en) | 2022-06-28 |
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JP2010221392A (en) * | 2009-02-25 | 2010-10-07 | Kyocera Corp | Polishing pin for inside diameter of sleeve for optical communication and device for polishing inside diameter using the same, and manufacturing method |
CN205166058U (en) * | 2015-12-02 | 2016-04-20 | 四川凌峰航空液压机械有限公司 | Upset chamfer burr deburring instrument with adjustable |
CN207188914U (en) * | 2017-08-04 | 2018-04-06 | 徐工集团工程机械有限公司 | Undercut groove process tool and undercut groove process equipment |
CN208592714U (en) * | 2018-08-14 | 2019-03-12 | 西飞国际航空制造(天津)有限公司 | A kind of step grinding wheel for more size inner holes of polishing |
CN110394698A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of elongated precision thin-wall aluminum alloy inner hole of pipe rubbing down tool and method |
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2020
- 2020-09-18 CN CN202010988053.4A patent/CN112207649B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010221392A (en) * | 2009-02-25 | 2010-10-07 | Kyocera Corp | Polishing pin for inside diameter of sleeve for optical communication and device for polishing inside diameter using the same, and manufacturing method |
CN205166058U (en) * | 2015-12-02 | 2016-04-20 | 四川凌峰航空液压机械有限公司 | Upset chamfer burr deburring instrument with adjustable |
CN207188914U (en) * | 2017-08-04 | 2018-04-06 | 徐工集团工程机械有限公司 | Undercut groove process tool and undercut groove process equipment |
CN208592714U (en) * | 2018-08-14 | 2019-03-12 | 西飞国际航空制造(天津)有限公司 | A kind of step grinding wheel for more size inner holes of polishing |
CN110394698A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of elongated precision thin-wall aluminum alloy inner hole of pipe rubbing down tool and method |
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