CN110948346A - Grinding tool and method for machining flatness of step datum plane of rectifier - Google Patents
Grinding tool and method for machining flatness of step datum plane of rectifier Download PDFInfo
- Publication number
- CN110948346A CN110948346A CN201911094456.8A CN201911094456A CN110948346A CN 110948346 A CN110948346 A CN 110948346A CN 201911094456 A CN201911094456 A CN 201911094456A CN 110948346 A CN110948346 A CN 110948346A
- Authority
- CN
- China
- Prior art keywords
- grinding
- rectifier
- mounting plate
- plate
- tool
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- 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
-
- 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
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
Abstract
A grinding tool and a method for machining flatness of a step datum plane of a rectifier belong to the technical field of grinding tools. The grinding tool for machining the flatness of the step datum plane of the rectifier comprises a mounting and fixing structure and a grinding tool, wherein the mounting and fixing structure comprises a bottom plate, an upper pressing plate and a lower pressing plate, the bottom plate is provided with an upper mounting plate grinding part and a lower mounting plate grinding part, the upper mounting plate grinding part and the lower mounting plate grinding part are both provided with the grinding tool, the upper pressing plate is arranged on the upper mounting plate grinding part and used for pressing the grinding tool, the lower pressing plate is arranged on the lower mounting plate grinding part and used for pressing the grinding tool, and the grinding method for machining the flatness of the step datum plane of the rectifier comprises the steps of workpiece preparation, grinding preparation. The grinding tool and the method for machining the flatness of the step datum plane of the rectifier have the advantages that the structure is simple, the use is simple and convenient, the datum plane precision of the blade welding assembly rectifier after machining and welding is guaranteed, and further the turning machining quality and the rectifier assembling quality of the installation part of the rectifier are guaranteed.
Description
Technical Field
The invention relates to the technical field of grinding tools, in particular to a grinding tool and a method for machining flatness of a step datum plane of a rectifier.
Background
The machining process form of the aeroengine welding structure rectifier is that a plurality of single blades which are subjected to profile machining are welded to form a fan-shaped section assembly, and then the installation part is turned by utilizing a welding reference so as to ensure the geometric precision of the installation part and the geometric position precision requirement between the installation part and an air flow channel. The installation part of the blade assembly rectifier of the aircraft compressor welding structure is processed after the assembly is welded. The standard of the rectifier after welding is formed by welding and connecting corresponding surfaces of a plurality of single blades before welding, the surface of the standard is uneven due to the overflow condition of welding flux when welding seams exist among the blades, therefore, a plurality of welding seam overflow welding flux on the standard plane of the rectifier after welding needs to be polished, so that the turning of the installation part obtains a good standard, the polishing requirement is that the residual welding flux of the welding seam can not be higher than the standard surface of the blade before welding, but the turning quality of the installation part of the rectifier is influenced by the uneven condition of the standard surface due to the lack of measures for monitoring the polishing quality of the welding flux and effectively ensuring the flatness precision, the problem that the position and the shape precision can not meet the requirements is caused, the problem of local interference of poor shape precision of the installation part is caused during the assembly of the rectifier, and the phenomenon that the axial and radial dislocation exceeds the standard in the joint position of a sector of a circular channel consisting of various sector, therefore, a large amount of additional repair work is added, the assembly progress is influenced, the assembly cost is increased, the assembly quality formed by the repair work deviates from the design requirement to a certain extent, and the service performance is greatly influenced.
Disclosure of Invention
In order to solve the technical problems that the polishing quality of welding flux on the welding surface of a welded-structure rectifier is poor after welding in the prior art, the invention provides a grinding tool and a method for machining the flatness of a step datum plane of a rectifier.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a grinding tool for processing the flatness of a step datum plane by a rectifier comprises a mounting and fixing structure and a grinding tool;
the installation fixed knot constructs including bottom plate, top board and holding down plate, the bottom plate is provided with mounting panel grinding portion and lower mounting panel grinding portion, the top board grinding portion all is provided with the grinding apparatus with lower mounting panel grinding portion, the top board sets up and grinds portion in the top board and be used for compressing tightly the grinding apparatus, the holding down plate sets up and grinds portion in the lower mounting panel and be used for compressing tightly the grinding apparatus.
The upper mounting plate grinding part and the lower mounting plate grinding part respectively correspond to the surface positions of steps on two sides of a rectifier flow channel, the joint of the upper mounting plate grinding part and the lower mounting plate grinding part forms an arc-shaped step, and the shape of the arc-shaped step is the same as that of the lower mounting plate of the rectifier.
One side that the holding down plate is close to the rectifier is provided with the arc surface, the arc surface corresponds with the lower mounting panel of rectifier, and the lower mounting panel of rectifier and the arc surface laminating of holding down plate are used for spacing to the rectifier.
One side of the upper pressure plate, which is close to the rectifier, is also provided with an arc surface, and the arc surface corresponds to the upper mounting plate of the rectifier.
The grinding tool adopts abrasive cloth, and the abrasive cloth is laid on the surfaces of the upper mounting plate grinding part and the lower mounting plate grinding part.
The grinding tool for processing the step datum plane flatness of the rectifier further comprises a handle, and the grinding tool is convenient to use.
A grinding method for machining the flatness of a step datum plane by a rectifier comprises the following steps:
s1, preparing a workpiece, namely placing the rectifier on a bottom plate of a grinding tool, checking a gap between a plane area of an installation plate between every two welding seams of a step datum plane of the rectifier and the corresponding surface of the bottom plate by using a feeler gauge, and grinding and repairing by using a grinding wheel when the gap is larger than 0.05 mm; when the clearance is less than or equal to 0.05mm, preparing to grind;
s2, grinding preparation, namely paving grinding tools on the surfaces of the grinding part of the upper mounting plate and the grinding part of the lower mounting plate, and respectively pressing the grinding tools through an upper pressing plate and a lower pressing plate;
s3, grinding the workpiece, and placing the reference surfaces of the steps on the two sides of the rectifier flow channel on a grinding tool of the grinding tool, wherein the upper mounting plate of the rectifier corresponds to the grinding part of the upper mounting plate, the lower mounting plate of the rectifier corresponds to the grinding part of the lower mounting plate, the lower mounting plate of the rectifier is attached to the arc surface of the lower pressure plate to position the rectifier, and the rectifier is manually driven to slide left and right along the arc surface direction of the lower pressure plate to grind the reference surfaces of the steps on the two sides of the rectifier flow channel;
and S4, checking, coating ink on the reference surfaces of the steps on the two sides of the rectifier flow channel, repeating the left-right sliding grinding action for 2-3 times, and grinding the ink in the plane area of the mounting plate between every two welding lines to obtain metallic luster, thereby finishing grinding.
The invention has the beneficial effects that:
1) because the rectifier reference plane has the step property, the grinding of the grinding machine needs to manufacture a special grinding disc, the investment is large, the grinding disc needs to be frequently repaired, and the use is complicated;
2) after the grinding tool is adopted to grind the datum plane of the rectifier, the influence factors of turning quality of the installation part are eliminated, the turning quality requirements of shape and position precision are ensured, the phenomenon of repair and repair during assembly is avoided, the repair and repair cost is reduced, the assembly efficiency is improved, and the service performance requirements of parts are met;
3) the machining process of the rectifier with the welded structure of the aero-engine, the gas turbine and the like relates to a precise turning machining link of a mounting plate after welding, and therefore the machining process has a wide application prospect.
Additional features and advantages of the invention will be set forth in part in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural diagram of an abrasive tool for machining flatness of a step datum plane by a rectifier according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a rectifier to be ground according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a schematic view of a commutator to be ground placed on a grinding tool for machining the flatness of the step reference surface of the commutator according to an embodiment of the present invention;
fig. 6 is a cross-sectional view C-C of fig. 5.
Reference numerals in the drawings of the specification include:
1-bottom plate, 2-top platen, 3-bottom platen, 4-rectifier, 5-bottom mount plate grinding surface, 6-top mount plate grinding section, 7-bottom mount plate grinding section, 8-top mount plate weld, 9-bottom mount plate weld, 10-top mount plate grinding surface, 11-bottom mount plate stop surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In order to solve the problems in the prior art, as shown in fig. 1 to 6, the invention provides a grinding tool and a method for machining the flatness of a step datum plane of a rectifier, which have the advantages of simple structure and convenience in use, and ensure the precision of the datum plane of a blade welding assembly rectifier 4 after machining and welding, thereby ensuring the turning quality of the installation part of the rectifier 4 and the assembling quality of the rectifier 4.
As shown in fig. 1 to 2, an abrasive tool for machining the flatness of the step datum plane by a rectifier 4 comprises a mounting and fixing structure and an abrasive tool;
the mounting and fixing structure comprises a bottom plate 1, an upper pressing plate 2 and a lower pressing plate 3, wherein the bottom plate 1 is provided with an upper mounting plate grinding part 6 and a lower mounting plate grinding part 7, the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7 respectively correspond to the surface positions of steps on two sides of a flow channel of the rectifier 4, the connecting part of the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7 forms an arc-shaped step, and the shape of the arc-shaped step is the same as that of a lower mounting plate of the rectifier 4;
the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7 are both provided with grinding tools, the grinding tools adopt abrasive cloth, and the abrasive cloth is laid on the surfaces of the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7;
the upper pressing plate 2 is arranged on the upper mounting plate grinding portion 6 and used for pressing a grinding tool, the lower pressing plate 3 is arranged on the lower mounting plate grinding portion 7 and used for pressing the grinding tool, an arc surface is arranged on one side, close to the rectifier 4, of the lower pressing plate 3, the arc surface corresponds to the lower mounting plate of the rectifier 4, and the lower mounting plate of the rectifier 4 is attached to the arc surface of the lower pressing plate 3 and used for limiting the rectifier 4. One side of the upper pressure plate 2 close to the rectifier 4 is also provided with an arc surface, and the arc surface corresponds to an upper mounting plate of the rectifier 4;
the grinding tool for processing the step datum plane flatness of the rectifier 4 further comprises a handle, and the grinding tool is convenient to use.
As shown in fig. 3 and 4, the rectifier 4 includes an upper mounting plate and a lower mounting plate, the step reference surfaces of the rectifier 4, that is, the step reference surfaces on both sides of the flow channel of the rectifier 4, that is, the grinding surface 10 of the upper mounting plate and the grinding surface 5 of the lower mounting plate in the figure, the grinding part 6 of the upper mounting plate and the grinding part 7 of the lower mounting plate correspond to the step reference surface shape structure on both sides of the flow channel of the rectifier 4, and by grinding the step reference surfaces on both sides of the flow channel of the rectifier 4 at the same time, it is finally ensured that the two reference surfaces obtain good flatness accuracy, so that the influence factors of the turning quality after welding of the rectifier 4.
The position of an arc-shaped step between an upper mounting plate grinding part 6 and a lower mounting plate grinding part 7 is determined according to the distance between the reference surfaces of the steps on the two sides of the flow passage of the rectifier 4, the upper mounting plate grinding part 6 is lower than the lower mounting plate grinding part 7, the arc-shaped step is arranged to ensure that the profile part between the reference surfaces of the steps on the two sides of the flow passage of the rectifier 4 is not ground by the arc-shaped step to generate interference, the smooth grinding is ensured, the height of the arc-shaped step is enough to ensure that the rectifier 4 and a grinding tool do not generate interference when grinding, the position of the upper mounting plate grinding part 6 corresponds to the position of an upper mounting plate of the rectifier 4, and the position of the, and during actual grinding, the arc surface of the lower pressure plate 3 is attached to the lower mounting plate limiting surface 11 to limit the rectifier 4, so that the reference surfaces of the steps on two sides are always kept in an accurate grinding state at the same time in the grinding process. According to the width of the upper mounting plate of the rectifier 4, the arc length distance is extended along the arc length direction at the two ends of the upper mounting plate grinding part 6, the lower mounting plate grinding part 7 and the lower pressing plate 3 by at least 50mm, so that the effectiveness of sliding grinding movement in two directions is ensured.
The grinding tool has strong and long-term grinding capacity and is guaranteed to be smooth, 80-granularity CBN abrasive cloth is selected as the grinding tool to well meet the requirements, and the area of the abrasive cloth is larger than that of the reference surfaces of the steps on the two sides of the flow passage of the rectifier 4.
When the grinding tool is actually used, the grinding tool is used for grinding, the flatness of the ground surface is guaranteed to be not large and uneven, and the grinding time is avoided to be overlong, and the specific requirement is that when the two ground surfaces of the rectifier 4 are inspected before grinding, the gap between the plane area of the mounting plate between every two upper mounting plate welding seams 8 and the plane area of the mounting plate between every two lower mounting plate welding seams 9 on the ground surface and the plane of the grinding tool bottom plate 1 is larger than 0.05mm, the grinding tool is used for grinding the high point area of the welding seams until the gap between the plane area of the mounting plate between every two upper mounting plate welding seams 8 and the plane area of the mounting plate between every two lower mounting plate welding seams 9 on the ground surface and the plane of the grinding tool bottom plate 1 is smaller than or equal to 0.05mm, and then the grinding tool is used for grinding.
As shown in fig. 5 and 6, a method for grinding the flatness of the step reference surface of the rectifier 4, which adopts the grinding tool for grinding the flatness of the step reference surface of the rectifier 4, comprises the following steps:
s1, preparing a workpiece, namely placing the rectifier 4 on the bottom plate 1 of the grinding tool, checking a gap between a plane area of an installation plate between every two welding lines of a step datum plane of the rectifier 4 and the corresponding surface of the bottom plate 1 by using a feeler gauge, and when the gap is larger than 0.05mm, firstly grinding and repairing by using a grinding wheel; when the clearance is less than or equal to 0.05mm, preparing to grind;
s2, preparing grinding, namely paving grinding tools on the surfaces of the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7, and respectively pressing the grinding tools through the upper pressing plate 2 and the lower pressing plate 3;
s3, grinding a workpiece, and placing reference surfaces of steps on two sides of a flow channel of the rectifier 4 on a grinding tool of the grinding tool, wherein the upper mounting plate of the rectifier 4 corresponds to the grinding part 6 of the upper mounting plate, the lower mounting plate of the rectifier 4 corresponds to the grinding part 7 of the lower mounting plate, the lower mounting plate of the rectifier 4 is attached to the arc surface of the lower pressing plate 3 to position the rectifier 4, and the rectifier 4 is manually driven to slide left and right along the arc surface direction of the lower pressing plate 3 to grind the reference surfaces of the steps on two sides of the flow channel of the rectifier 4;
and S4, checking, coating ink on the reference surfaces of the steps on the two sides of the flow passage of the rectifier 4, repeating the left-right sliding grinding action for 2-3 times, and grinding the ink in the plane area of the mounting plate between every two welding seams to obtain metallic luster so as to finish grinding.
The connection between the upper press plate 2 and the lower press plate 3 and the upper mounting plate grinding part 6 and the lower mounting plate grinding part 7 respectively adopts the prior art, as long as the compression of the grinding tool can be realized, such as bolt connection. In actual work, all the rectifiers 4 to be ground can be placed on the bottom plate 1 before grinding, whether the rectifiers need to be ground or not is determined, and grinding is carried out after grinding is carried out uniformly.
The invention is adopted for practical production, each engine is provided with 6 levels of rectifiers 4 according to the calculation of the productivity of the rectifiers 4, each level of rectifiers 4 is provided with 8 rectifiers, the time for assembling and repairing each rectifier 4 is about 2 hours, the repair quantity of the single-stage rectifiers 4 is about 80%, so the repair time of parts when all the rectifiers 4 of a single engine are assembled is as follows: 76.8 hours, the repair time is basically the same as the auxiliary time of cleaning, turnover, trial assembly and the like, and the cost is about according to the conservative time cost of 100 yuan/hour: 1.5 ten thousand yuan. The manufacturing cost of the grinding tool of the invention is about 0.3 ten thousand yuan, the cost of grinding the CBN abrasive cloth by a single machine is 100 yuan, the grinding and repairing time of a single rectifier 4 is about 0.5 hour, the hour cost is 40 yuan/hour, the grinding cost of the single rectifier 4 is about: 0.1 ten thousand yuan. If the grinding is carried out by a grinder method, the cost of a new grinding disc is about 5 ten thousand yuan, and the annual repair cost is about 0.5 ten thousand yuan. In summary, the annual saving value of the grinding tool of the present invention is estimated by 20 rectifiers 4 produced per year as follows: 20 × (1.5-0.1) +5.5-0.3 ═ 33.2 ten thousand yuan.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The grinding tool for machining the flatness of the reference surface of the step by the rectifier is characterized by comprising a mounting and fixing structure and a grinding tool;
the installation fixed knot constructs including bottom plate, top board and holding down plate, the bottom plate is provided with mounting panel grinding portion and lower mounting panel grinding portion, the top board grinding portion all is provided with the grinding apparatus with lower mounting panel grinding portion, the top board sets up and grinds portion in the top board and be used for compressing tightly the grinding apparatus, the holding down plate sets up and grinds portion in the lower mounting panel and be used for compressing tightly the grinding apparatus.
2. The grinding tool for machining flatness of a reference surface of a step of a rectifier according to claim 1, wherein the grinding part of the upper mounting plate and the grinding part of the lower mounting plate correspond to the surface position of the step on both sides of the flow passage of the rectifier, respectively, and the connection part of the grinding part of the upper mounting plate and the grinding part of the lower mounting plate forms a circular arc-shaped step.
3. The grinding tool for machining flatness of the reference surface of the step of the rectifier as recited in claim 1, wherein a circular arc surface is disposed on a side of the lower pressing plate close to the rectifier, the circular arc surface corresponds to a lower mounting plate of the rectifier, and the lower mounting plate of the rectifier is attached to the circular arc surface of the lower pressing plate to limit the rectifier.
4. The grinding tool for machining flatness of step reference surfaces of rectifiers of claim 1, wherein a circular arc surface is also arranged on one side of the upper pressure plate close to the rectifier, and the circular arc surface corresponds to an upper mounting plate of the rectifier.
5. The abrading tool for smoothing flatness of a step reference surface according to claim 1, wherein the abrading tool is an abrasive cloth laid on the surface of the upper mounting plate abrading portion and the lower mounting plate abrading portion.
6. The rectifier step datum plane flatness abrasive tool of claim 1, further including a handle.
7. A method for grinding flatness of a step reference surface machined by a commutator, which adopts the grinding tool for machining flatness of a step reference surface machined by a commutator claimed in claim 1, and is characterized by comprising the following steps:
s1, preparing a workpiece, namely placing the rectifier on a bottom plate of a grinding tool, checking a gap between a plane area of an installation plate between every two welding seams of a step datum plane of the rectifier and the corresponding surface of the bottom plate by using a feeler gauge, and grinding and repairing by using a grinding wheel when the gap is larger than 0.05 mm; when the clearance is less than or equal to 0.05mm, preparing to grind;
s2, grinding preparation, namely paving grinding tools on the surfaces of the grinding part of the upper mounting plate and the grinding part of the lower mounting plate, and respectively pressing the grinding tools through an upper pressing plate and a lower pressing plate;
s3, grinding the workpiece, and placing the reference surfaces of the steps on the two sides of the rectifier flow channel on a grinding tool of the grinding tool, wherein the upper mounting plate of the rectifier corresponds to the grinding part of the upper mounting plate, the lower mounting plate of the rectifier corresponds to the grinding part of the lower mounting plate, the lower mounting plate of the rectifier is attached to the arc surface of the lower pressure plate to position the rectifier, and the rectifier is manually driven to slide left and right along the arc surface direction of the lower pressure plate to grind the reference surfaces of the steps on the two sides of the rectifier flow channel;
and S4, checking, coating ink on the reference surfaces of the steps on the two sides of the rectifier flow channel, repeating the left-right sliding grinding action for 2-3 times, and grinding the ink in the plane area of the mounting plate between every two welding lines to obtain metallic luster, thereby finishing grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094456.8A CN110948346B (en) | 2019-11-11 | 2019-11-11 | Grinding tool and method for machining flatness of step datum plane of rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094456.8A CN110948346B (en) | 2019-11-11 | 2019-11-11 | Grinding tool and method for machining flatness of step datum plane of rectifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110948346A true CN110948346A (en) | 2020-04-03 |
| CN110948346B CN110948346B (en) | 2021-04-20 |
Family
ID=69977102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911094456.8A Active CN110948346B (en) | 2019-11-11 | 2019-11-11 | Grinding tool and method for machining flatness of step datum plane of rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110948346B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253268Y (en) * | 1995-09-12 | 1997-04-30 | 郝振亚 | High-precision double-face vertical grinder |
| US20080090496A1 (en) * | 2006-10-13 | 2008-04-17 | Gerard Santucci | Mirror image pair sanding blocks |
| CN201357350Y (en) * | 2009-02-23 | 2009-12-09 | 宝山钢铁股份有限公司 | Planer automatic grinding machine for cold-rolled strip steel |
| CN203901049U (en) * | 2014-05-06 | 2014-10-29 | 宁夏美力晶玻璃有限公司 | Vertical automatic edge grinding device |
| CN104354096A (en) * | 2014-10-28 | 2015-02-18 | 安费诺（常州）电子有限公司 | V-shaped groove grinding tool |
| CN204819077U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山高科磁性材料有限公司 | Manual grinding device of magnetic shoe outer arc step |
| CN207206040U (en) * | 2017-08-16 | 2018-04-10 | 上海龙磁电子科技有限公司 | A kind of two-sided edging device of magnet steel |
| CN108031944A (en) * | 2017-12-05 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fan-shaped fixture and method for reducing blade assembly welding deformation |
| CN108161684A (en) * | 2017-12-26 | 2018-06-15 | 马鞍山市鑫龙特钢有限公司 | A kind of steel ingot grinding device |
-
2019
- 2019-11-11 CN CN201911094456.8A patent/CN110948346B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253268Y (en) * | 1995-09-12 | 1997-04-30 | 郝振亚 | High-precision double-face vertical grinder |
| US20080090496A1 (en) * | 2006-10-13 | 2008-04-17 | Gerard Santucci | Mirror image pair sanding blocks |
| CN201357350Y (en) * | 2009-02-23 | 2009-12-09 | 宝山钢铁股份有限公司 | Planer automatic grinding machine for cold-rolled strip steel |
| CN203901049U (en) * | 2014-05-06 | 2014-10-29 | 宁夏美力晶玻璃有限公司 | Vertical automatic edge grinding device |
| CN104354096A (en) * | 2014-10-28 | 2015-02-18 | 安费诺（常州）电子有限公司 | V-shaped groove grinding tool |
| CN204819077U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山高科磁性材料有限公司 | Manual grinding device of magnetic shoe outer arc step |
| CN207206040U (en) * | 2017-08-16 | 2018-04-10 | 上海龙磁电子科技有限公司 | A kind of two-sided edging device of magnet steel |
| CN108031944A (en) * | 2017-12-05 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fan-shaped fixture and method for reducing blade assembly welding deformation |
| CN108161684A (en) * | 2017-12-26 | 2018-06-15 | 马鞍山市鑫龙特钢有限公司 | A kind of steel ingot grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110948346B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111962069B (en) | Deformed high-temperature alloy and stainless steel gas compressor rotor blade tip repairing method and tool | |
| CN105773085B (en) | A kind of numerical-control processing method of twisted blade class workpiece | |
| CN109926894A (en) | Turbine disc mortise form grinding process equipment and its application method | |
| CN111922444A (en) | Portable grinding device capable of achieving three-dimensional adjustment for gear shaping | |
| CN104440569A (en) | Grinding machine grinding wheel forming device | |
| CN110948346B (en) | Grinding tool and method for machining flatness of step datum plane of rectifier | |
| CN102922397A (en) | Accessory lathe-grinding integration device for lathe machining center and use method thereof | |
| CN110103087A (en) | A kind of integrated equipment of large scale circular cutter Double face grinding and its application method | |
| CN201205679Y (en) | Electrical discharge precision truing apparatus for metal-bonded grinding wheel | |
| CN202726682U (en) | Cut-in milling/ grinding /polishing processing internal/external curved surface system | |
| CN209664996U (en) | A kind of automatic beveling machine with flexible adjustment module | |
| CN110576372A (en) | Grinding, polishing and measuring integrated abrasive belt tool | |
| CN217316533U (en) | Cold welding device for manufacturing special equipment | |
| CN208713728U (en) | A kind of Combined drum edging wheel | |
| CN214135171U (en) | Multi-angle full-size flushing device of external machine tool | |
| CN213561832U (en) | Surface treatment device for quartz crystal oscillator upper cover | |
| CN215240150U (en) | Single-side grinding machine convenient for replacing workpiece | |
| CN210476544U (en) | Automatic five-axis linkage polishing machine for pipe fittings | |
| CN210189477U (en) | Special device for dressing grinding wheel of grinding machine | |
| CN210281894U (en) | Clamp for grinding wheel | |
| CN108723819B (en) | Clamping tool and method for F-shaped steel rail piece machining | |
| CN101264536A (en) | Metallic anchoring agent abrasive wheel electric spark precision truing device | |
| CN207788476U (en) | A kind of abrasive machine polished for extra-high-tension cable hanging insulator | |
| CN205674026U (en) | A kind of high-precision grinder with automatic control cooling function | |
| CN218137040U (en) | Device for machining turbine blades of an aircraft engine |
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 |