CN116494103A - Hole burr removing polishing tool - Google Patents

Hole burr removing polishing tool Download PDF

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Publication number
CN116494103A
CN116494103A CN202310568837.5A CN202310568837A CN116494103A CN 116494103 A CN116494103 A CN 116494103A CN 202310568837 A CN202310568837 A CN 202310568837A CN 116494103 A CN116494103 A CN 116494103A
Authority
CN
China
Prior art keywords
clamping
polishing
groove
sand paper
polishing sand
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.)
Pending
Application number
CN202310568837.5A
Other languages
Chinese (zh)
Inventor
刘炼红
闫守强
张明明
庹明伟
贺绍锋
刘剑桥
翟方宇
李涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Shengda Power Technology Co ltd
Original Assignee
Hubei Shengda Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Shengda Power Technology Co ltd filed Critical Hubei Shengda Power Technology Co ltd
Priority to CN202310568837.5A priority Critical patent/CN116494103A/en
Publication of CN116494103A publication Critical patent/CN116494103A/en
Pending legal-status Critical Current

Links

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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • 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
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a polishing tool for removing burrs of an orifice, which comprises a clamping assembly and polishing sand paper sheets, wherein the clamping assembly comprises a clamping mandrel, a clamping nut and a bearing pushing sheet, a through groove and a slit are formed in the clamping mandrel, the slit is communicated with the through groove, the lower part of the clamping mandrel is divided into two pieces, the bearing pushing sheet and the polishing sand paper sheets are arranged in the through groove in an up-down relationship, the upper end of the bearing pushing sheet abuts against the top of the through groove, the lower end of the bearing pushing sheet abuts against the upper end of the polishing sand paper sheets, the lower end of the polishing sand paper sheet assembly abuts against the bottom of the through groove, the clamping mandrel is in threaded connection with the clamping nut, and when the clamping mandrel is tightly screwed with the clamping nut, the through groove can be contracted to clamp the bearing pushing sheet and the polishing sand paper sheets. The polishing sand paper sheet is clamped by the clamping component and then is arranged on the machine tool spindle, the high-speed rotation of the machine tool spindle is utilized to drive the polishing sand paper sheet to rotate at a high speed, and the burrs of the orifice are removed by polishing, so that the surface roughness of the hole wall from which the burrs are removed is not reduced.

Description

Hole burr removing polishing tool
Technical Field
The invention relates to the technical field of machining, in particular to a polishing tool for removing burrs of an orifice.
Background
At present, in machining, a hole to be machined in a workpiece is cut by a cutter, and weak burrs usually remain at an orifice, and the weak burrs are usually removed by using tools such as an abrasive brush, a cutter, a drill bit and the like. The invention patent with the patent publication number of CN103111665A discloses a remanufacturing cutter for removing orifice burrs, which comprises a cutter bar formed by a drill bit body extending forwards and backwards, wherein the rear end of the cutter bar is a clamping end used for being clamped on a drill clamping head of a drilling machine, the front end of the cutter bar is later provided with a thin neck section thinner than the front end of the cutter bar, the outer peripheral surface of the thin neck section and the outer peripheral surface of the front end of the cutter bar are transited through a head step surface, the head step surface is provided with an inner orifice burr blade which faces backwards and is used for removing the inner orifice burrs on a part, the head step surface is a chamfer section or a right angle section or a round angle concave surface, the tail step surface is a chamfer section or a right angle section or a round angle concave surface, and a gap which is used for being arranged corresponding to the hole depth on the part is arranged between the head step surface and the tail step surface. When the prior art is used, the cutter bar can be clamped on the drill clamp head of the drilling machine through the clamping end, the front end of the cutter bar penetrates out of the inner hole of the part, the inner hole burr edge is enabled to cut burrs on the inner hole edge by combining the radial feeding of the cutter bar with the relative rotation between the cutter bar and the part, and the burrs on the inner hole edge can be removed through the inner hole burr edge. However, with respect to the surface requiring high surface roughness of the hole wall, the hole wall surface may be scratched while the hole burr is removed by the modifying tool, so that the surface roughness of the hole wall surface is deteriorated.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a polishing tool for removing orifice burrs, which is arranged on a main shaft of a machine tool after a polishing sand paper sheet is clamped by a clamping assembly, the polishing sand paper sheet is driven to rotate at a high speed by the high-speed rotation of the main shaft of the machine tool, when a little polishing sand paper sheet enters an orifice for pre-polishing and removing the orifice burrs, the orifice burrs are removed by polishing the polishing sand paper sheet which rotates at a high speed, the surface roughness of the wall of the orifice from which the burrs are removed is not reduced, the polishing tool is simple in structure, and is very convenient to assemble, disassemble and operate.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a remove drill way burr polishing tool, including clamping assembly and polishing sand paper piece, clamping assembly includes the centre gripping dabber, clamping nut and bears the shallow, the centre gripping dabber is equipped with runs through groove and slot, slot and run through the groove intercommunication, cut apart into two lamellas with the lower part of centre gripping dabber, bear the shallow and the polishing sand paper piece and locate the run through inslot in the upper and lower relation, bear the upper end of shallow and run through the groove top and offset, bear the lower extreme of shallow and the upper end of polishing sand paper piece offset, the lower extreme of polishing sand paper piece subassembly offsets with the bottom of the run through groove, clamping spindle and clamping nut threaded connection, when centre gripping dabber and clamping nut cooperation are screwed, can make the run through groove narrow, realize will bear the shallow and press from both sides tightly with polishing sand paper piece.
According to the scheme, the clamping mandrel comprises a stepped shaft with a conical surface, the clamping mandrel is sequentially provided with a machine tool chuck clamping part, an external thread part, an external conical surface part and a polishing sand paper sheet clamping part from top to bottom, the upper end of the penetrating groove is located at the external thread part, the lower end of the penetrating groove is located at the polishing sand paper sheet clamping part, the cutting slot is located at the lower end of the penetrating groove and communicated with the penetrating groove, and the external thread part and the external conical surface part are respectively matched with the inner hole of the clamping nut.
According to the scheme, the clamping nut comprises an outer hexagon nut, an inner threaded hole and an inner conical hole which are arranged in an up-down relation are arranged in the clamping nut, the inner conical hole and the inner threaded hole are arranged coaxially, the inner threaded hole is matched with an outer threaded portion of the clamping mandrel in a threaded pair mode, and the inner conical hole is matched with an outer conical surface portion of the clamping mandrel in a conical surface mode.
According to the scheme, the width of the polishing sand paper sheet clamping part is smaller than the aperture of the pre-polishing removal orifice burr by at least 1.2mm, and the two side surfaces of the polishing sand paper sheet clamping part are milled flat.
According to the scheme, the penetrating groove comprises a T-shaped groove, and the width of the penetrating groove is equal to 2 times of the thickness of the clamped polishing sand paper sheet.
According to the scheme, the width of the slit is 0.2mm.
According to the scheme, the bearing pushing piece comprises a T-shaped thin piece, the bearing pushing piece is provided with a large end part and a small end part, the width of the large end part is smaller than the diameter of the internal threaded hole of the clamping nut, and the width of the small end part is smaller than the diameter of the small end part of the internal conical hole of the clamping nut.
According to the scheme, the thickness of the small end part is smaller than the width of the penetrating groove of the clamping mandrel, and the small end part is thick at the upper part and thin at the lower part.
According to the scheme, the length of the addition of the bearing pushing piece and the polishing sand paper piece is equal to the length of the penetrating groove.
According to the scheme, the polishing sand paper sheets comprise a first polishing sand paper sheet and a second polishing sand paper sheet which are cut into small rectangles by sand paper with proper granularity, the back surfaces of the first polishing sand paper sheet and the second polishing sand paper sheet are propped against and placed in the through groove, and the length of the polishing sand paper sheet is larger than the aperture of the pre-polishing removal orifice burr by 3mm-6mm.
The invention has the beneficial effects that:
the invention adopts the structure, the polishing sand paper sheet is clamped by the clamping component and then is arranged on the main shaft of the machine tool, the polishing sand paper sheet is driven to rotate at high speed by the high-speed rotation of the main shaft of the machine tool, when the polishing sand paper sheet approaches or slightly enters the orifice of the pre-polished orifice burr removal, the orifice burr is removed by the polishing sand paper sheet rotating at high speed, the surface roughness of the wall of the orifice of the removed burr is not reduced, the structure is simple, and the assembly, the disassembly and the operation are very convenient.
Drawings
FIG. 1 is an elevational view of the overall structure of the present invention;
FIG. 2 is a front elevational view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view taken at the A-A position of FIG. 2;
FIG. 4 is an elevation view of a clamping mandrel of the present invention;
FIG. 5 is a front view of a clamping mandrel of the present invention;
FIG. 6 is an elevational view of the clamping nut of the present invention;
FIG. 7 is a cross-sectional view of a clamping nut of the present invention;
FIG. 8 is an elevation view of a load-bearing pusher of the present invention;
fig. 9 is a side view of a carrier tab of the present invention.
In the figure: 1. clamping the mandrel; 2. clamping a nut; 3. carrying the pushing piece; 4. polishing the sandpaper sheet; 11. clamping parts of machine tool chucks; 12. an external thread portion; 13. an outer cone portion; 14. polishing the clamping part of the sand paper sheet; 15. a through groove; 16. slotting; 21. an internal threaded hole; 22. an inner taper hole; 31. a large end; 32. a small end.
Detailed Description
The technical scheme of the invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 9, the polishing tool for removing burrs in an orifice according to the present invention comprises a clamping assembly and a polishing paper piece 4, wherein the clamping assembly comprises a clamping mandrel 1, a clamping nut 2 and a carrying push piece 3, a through groove 15 and a slit 16 are formed in the clamping mandrel 1, the slit 16 is communicated with the through groove 15, the lower part of the clamping mandrel 1 is divided into two pieces, the carrying push piece 3 and the polishing paper piece 4 are arranged in the through groove 15 in an up-down relationship, the upper end of the carrying push piece 3 abuts against the top of the through groove 15, the lower end of the carrying push piece 3 abuts against the upper end of the polishing paper piece 4, the lower end of the polishing paper piece assembly 4 abuts against the bottom of the through groove 15, the clamping mandrel 1 is in threaded connection with the clamping nut 2, and when the clamping mandrel 1 is screwed tightly in cooperation with the clamping nut 2, the through groove 15 is contracted to clamp the carrying push piece 3 and the polishing paper piece 4.
In this embodiment, the clamping mandrel 1 includes a stepped shaft with a conical surface, the clamping mandrel 1 is sequentially provided with a machine tool chuck clamping portion 11, an external thread portion 12, an external conical surface portion 13 and a polished abrasive paper clamping portion 14 from top to bottom, the upper end of the through groove 15 is located at the external thread portion 12, the lower end of the through groove 15 is located at the polished abrasive paper clamping portion 14, the slit 16 is located at the lower end of the through groove 15 and is communicated with the through groove 15, and the external thread portion 12 and the external conical surface portion 13 are respectively matched with the inner hole of the clamping nut 2.
In this embodiment, the clamping nut 2 includes an outer hexagonal nut, an internal threaded hole 21 and an internal tapered hole 22 which are disposed in a vertical relationship are disposed in the clamping nut 2, the internal tapered hole 22 and the internal threaded hole 21 are disposed coaxially, the internal threaded hole 21 is in threaded pair fit with the external threaded portion 12 of the clamping mandrel 1, and the internal tapered hole 22 is in tapered fit with the external tapered portion 13 of the clamping mandrel 1. When the clamping mandrel 1 and the clamping nut 2 are screwed, the through groove 15 is reduced by the fit of the inner taper hole 22 and the outer taper part 13.
In this embodiment, the width of the polishing sand paper clamping part 14 is at least 1.2mm smaller than the aperture of the pre-polishing hole for removing burrs, and the two side surfaces of the polishing sand paper clamping part 14 are milled flat. The sandpaper sheet clamping part 14 can be conveniently polished into the orifice for pre-polishing and removing orifice burrs.
In this embodiment, the through groove 15 includes a T-shaped groove, and the width of the through groove 15 is equal to 2 times the thickness of the nipped sanding sheet 4. In the initial state, the polishing pad 4 is easily loaded into and unloaded from the through-groove 15.
In this embodiment, the slit 16 has a width of 0.2mm. For controlling the clamping displacement of the lower end of the through slot 15.
In this embodiment, the carrying push plate 3 includes a T-shaped sheet, the carrying push plate 3 is provided with a large end 31 and a small end 32, the width of the large end 31 is smaller than the diameter of the internal threaded hole 21 of the clamping nut 2, and the width of the small end 32 is smaller than the diameter of the small end of the internal tapered hole 22 of the clamping nut 2. The carrying push plate 3 can be placed in the through groove 15 without interfering with the clamping nut 2.
In this embodiment, the thickness of the small end portion 32 is smaller than the width of the through groove 15 of the clamping mandrel 1, and the small end portion is thick at the top and thin at the bottom. The through groove 15 can clamp the carrying push plate 3 and the polishing abrasive paper sheet 4 when being contracted and closed.
In this embodiment, the length of the carrying push plate 3 added to the polishing pad 4 is equal to the length of the through slot 15. After the bearing push plate 3 and the polishing sand paper sheet 4 are arranged in the through groove 15, the upper end of the bearing push plate 3 can be propped against the top of the through groove 15, the lower end of the bearing push plate 3 is propped against the upper end of the polishing sand paper sheet 4, and the lower end of the polishing sand paper sheet assembly 4 is propped against the bottom of the through groove 15, so that the polishing sand paper sheet assembly has a compact structure.
In this embodiment, the polishing sand paper sheet 4 includes a first polishing sand paper sheet and a second polishing sand paper sheet cut into small rectangles by sand paper with proper granularity, the back surfaces of the first polishing sand paper sheet and the second polishing sand paper sheet are abutted in the through groove 15, and the length of the polishing sand paper sheet 4 is 3mm-6mm greater than the aperture of the pre-polishing removal orifice burr. When the polishing pad 4 approaches or slightly enters the orifice of the pre-polished orifice deburring, the orifice deburring can be polished with the polishing pad 4 rotating at a high speed without reducing the surface roughness of the wall of the orifice from which the deburring is removed.
The working principle of the invention is as follows:
placing the bearing push plate 3 in the through groove 15 of the clamping mandrel 1, enabling the upper end of the bearing push plate 3 to prop against the top of the through groove 15, placing 2 back-to-back polishing sand paper sheets 4 in the through groove 15 of the clamping mandrel 1, enabling the upper end of the polishing sand paper sheets 4 to prop against the bearing push plate 3, enabling the lower end of the polishing sand paper sheets 4 to prop against the bottom of the through groove 15, then matching and sleeving the clamping mandrel 1 and the clamping nut 2, when the clamping mandrel 1 is screwed down clockwise, pressing the outer conical surface 13 of the clamping mandrel 1 through the conical surface of the inner conical hole 22 of the clamping nut 2 to enable the part of the lower part of the clamping mandrel 1 divided into two parts to shrink inwards, the polishing tool can be mounted on the machine tool spindle by firmly clamping the bearing push plate 3 and the 2 back-to-back polishing sand paper sheets 4 which are positioned in the through groove 15 and clamping the machine tool chuck clamping part 11 of the clamping mandrel 1 by the chuck mounted on the machine tool spindle, when the machine tool spindle rotates at a high speed, the 2 back-to-back polishing sand paper sheets 4 clamped on the machine tool spindle can be driven by the polishing tool to rotate at a high speed, so that the 2 back-to-back polishing sand paper sheets 4 rotating at a high speed enter an orifice to be polished and deburred, burrs of the orifice can be removed and the orifice can be polished, and the surface roughness of the wall of the orifice can be not reduced when the orifice burrs are removed by selecting polishing sand paper sheets with proper granularity; when the clamping mandrel 1 is unscrewed anticlockwise, the conical surface of the inner conical hole 22 of the clamping nut 2 can loosen the outer conical surface part 13 of the clamping mandrel 1 matched with the conical surface, so that the lower part of the clamping mandrel 1 is divided into two parts to be outwards stretched and loosened, and the bearing pushing piece 3 and 2 back-to-back polishing sand paper sheets 4 placed in the through groove 15 can be taken out and replaced with new polishing sand paper sheets 4; the structure is simple, and the loading, unloading and operation are very convenient.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are all within the scope of the present invention.

Claims (10)

1. A hole burr removal polishing tool, characterized in that: including clamping assembly and polishing sand scraps of paper (4), clamping assembly includes clamping mandrel (1), clamping nut (2) and bears ejector pad (3), be equipped with on clamping mandrel (1) and run through groove (15) and slot (16), slot (16) and run through groove (15) intercommunication, lower part with clamping mandrel (1) becomes two lamella, bear ejector pad (3) and polishing sand scraps of paper (4) and locate in run through groove (15) in upper and lower relation, bear the upper end of ejector pad (3) and run through groove (15) top and offset, bear the lower extreme of ejector pad (3) and the upper end of polishing sand scraps of paper (4) offset, the lower extreme of polishing sand scraps of paper subassembly (4) and run through groove (15) bottom and offset, clamping mandrel (1) and clamping nut (2) threaded connection, when clamping mandrel (1) and clamping nut (2) cooperation can make run through groove (15) shrink, realize pressing from both sides tight with bearing ejector pad (3) and polishing sand scraps of paper (4).
2. The orifice deburring polishing tool of claim 1, further comprising: the clamping mandrel (1) comprises a stepped shaft with a conical surface, the clamping mandrel (1) is sequentially provided with a machine tool chuck clamping part (11), an external thread part (12), an external conical surface part (13) and a polishing sand paper sheet clamping part (14) from top to bottom, the upper end of a penetrating groove (15) is located the external thread part (12), the lower end of the penetrating groove (15) is located the polishing sand paper sheet clamping part (14), a cutting slit (16) is located the lower end of the penetrating groove (15) and is communicated with the penetrating groove (15), and the external thread part (12) and the external conical surface part (13) are respectively matched with an inner hole of a clamping nut (2).
3. The orifice deburring polishing tool as set forth in claim 2, wherein: the clamping nut (2) comprises an outer hexagonal nut, an inner threaded hole (21) and an inner conical hole (22) which are arranged in an up-down relation are formed in the clamping nut (2), the inner conical hole (22) and the inner threaded hole (21) are arranged in a coaxial mode, the inner threaded hole (21) is in threaded pair fit with an outer threaded portion (12) of the clamping mandrel (1), and the inner conical hole (22) and an outer conical portion (13) of the clamping mandrel (1) are in conical surface fit.
4. The orifice deburring polishing tool as set forth in claim 2, wherein: the width of the polishing sand paper piece clamping part (14) is smaller than the aperture of the pre-polishing removal orifice burr by at least 1.2mm, and two side surfaces of the polishing sand paper piece clamping part (14) are milled flat.
5. The orifice deburring polishing tool as set forth in claim 2, wherein: the through groove (15) comprises a T-shaped groove, and the width of the through groove (15) is equal to 2 times the thickness of the clamped polishing sand paper sheet (4).
6. The orifice deburring polishing tool as set forth in claim 2, wherein: the width of the slit (16) is 0.2mm.
7. The orifice deburring polishing tool of claim 1, further comprising: the bearing pushing piece (3) comprises a T-shaped thin sheet, a large end part (31) and a small end part (32) are arranged on the bearing pushing piece (3), the width of the large end part (31) is smaller than the diameter of an internal threaded hole (21) of the clamping nut (2), and the width of the small end part (32) is smaller than the diameter of a small end part of an internal conical hole (22) of the clamping nut (2).
8. The orifice deburring polishing tool of claim 7, further comprising: the thickness of the large end part (31) is consistent with the width of the penetrating groove (15) of the clamping mandrel (1), and the thickness of the small end part (32) is smaller than the width of the penetrating groove (15) of the clamping mandrel (1), and the upper part is thick and the lower part is thin.
9. The orifice deburring polishing tool of claim 1, further comprising: the length of the addition of the bearing pushing piece (3) and the polishing sand paper piece (4) is equal to the length of the through groove (15).
10. The orifice deburring polishing tool of claim 1, further comprising: the polishing sand paper sheets (4) comprise first polishing sand paper sheets and second polishing sand paper sheets which are cut into small rectangles by sand paper with proper granularity, the back surfaces of the first polishing sand paper sheets and the second polishing sand paper sheets are propped against each other to be arranged in the through groove (15), and the length of the polishing sand paper sheets (4) is larger than the aperture of 3mm-6mm for removing orifice burrs by pre-polishing.
CN202310568837.5A 2023-05-19 2023-05-19 Hole burr removing polishing tool Pending CN116494103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310568837.5A CN116494103A (en) 2023-05-19 2023-05-19 Hole burr removing polishing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310568837.5A CN116494103A (en) 2023-05-19 2023-05-19 Hole burr removing polishing tool

Publications (1)

Publication Number Publication Date
CN116494103A true CN116494103A (en) 2023-07-28

Family

ID=87326686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310568837.5A Pending CN116494103A (en) 2023-05-19 2023-05-19 Hole burr removing polishing tool

Country Status (1)

Country Link
CN (1) CN116494103A (en)

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