CN114769730A - Reamer with adjustable diameter - Google Patents
Reamer with adjustable diameter Download PDFInfo
- Publication number
- CN114769730A CN114769730A CN202210591343.4A CN202210591343A CN114769730A CN 114769730 A CN114769730 A CN 114769730A CN 202210591343 A CN202210591343 A CN 202210591343A CN 114769730 A CN114769730 A CN 114769730A
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- Prior art keywords
- control
- cutter body
- control rod
- reamer
- cutter
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- 238000005520 cutting process Methods 0.000 claims abstract description 26
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Classifications
-
- 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
- B23D77/00—Reaming tools
- B23D77/02—Reamers with inserted cutting edges
- B23D77/04—Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length
Abstract
The invention relates to a diameter adjustable reamer comprising: the novel cutter comprises a body, a control rod, a first cutter body and a second cutter body, wherein a mounting hole is formed in the middle of the body, the control rod is rotatably arranged in the mounting hole, a first control block and a second control block are arranged at the bottom of the control rod, a first control groove is formed in the first control block, a second control groove is formed in the second control block, the first cutter body is slidably arranged on the body and can extend out of the side face of the body, the first cutter body is connected with the first control groove, the second cutter body is slidably arranged on the body and can extend out of the side face of the body, and the second cutter body is connected with the second control groove 221. The reamer has the advantages that the control rod is arranged to control the cutting radius of the first cutter body and the cutting radius of the second cutter body, so that different working requirements of the reamer can be met.
Description
Technical Field
The invention relates to the field of reamers, in particular to a diameter-adjustable reamer.
Background
In the machining process, parts are often required to be punched, and the hole punching is also required to be subjected to fine machining. In this process, a reamer is required. The reamer has one or more teeth for cutting a rotating tool for machining a thin metal layer on the surface of the hole. The hole after reamer processing can obtain accurate size and shape.
In specific processing, for processing holes with different apertures, reamers with different diameters need to be used, and a cutter needs to be replaced, so that the cutter is suitable for the aperture of the processing hole.
However, the replacement of the tool is time-consuming and labor-consuming, and a plurality of sets of tools need to be prepared, and the searching of the tool for replacing the tool has an influence on the production efficiency.
In addition, when the reamer is used for cutting, the error is increased due to the fact that the cutting depth is too large, and the working time is longer and the efficiency is lower due to the fact that the cutting depth is smaller.
Disclosure of Invention
In view of the above, there is a need to address the above issues and to provide an adjustable diameter reamer.
The invention discloses a diameter-adjustable reamer, which comprises: a body; the middle part of the body is provided with a mounting hole; the control rod is rotatably arranged in the mounting hole, a first control block and a second control block are arranged at the bottom of the control rod, a first control groove is formed in the first control block, and a second control groove is formed in the second control block; the first cutter body is arranged on the body in a sliding mode and can extend out of the side face of the body, and the first cutter body is connected with the first control groove; the second cutter body is arranged on the body in a sliding mode and can extend out of the side face of the body, the second cutter body is connected with the second control groove, the first control block and the second control block can be driven to rotate synchronously by rotating the control rod, so that the first cutter body moves in the first control groove, the second cutter body moves in the second control groove, and the cutting radius of the first cutter body and the second cutter body can be controlled.
In one embodiment, when the control rod rotates forwards by 0 to 90 degrees, the first cutter body moves along the first control slot to approach the control rod, and the second cutter body moves along the second control slot to approach the control rod synchronously with the first cutter body.
In one embodiment, when the control rod rotates reversely by 0 to 90 degrees, the first cutter moves along the first control slot in a direction away from the control rod, and the second cutter moves along the second control slot in a direction close to the control rod.
In one embodiment, the body is sleeved with a limiting sleeve, the limiting sleeve is in threaded connection with the control rod, the lower end of the limiting sleeve is provided with a limiting ring, the top of the first cutter body is provided with a first abutting portion, the top of the second cutter body is provided with a second abutting portion, the limiting sleeve can be driven to move along the axial direction of the body by rotating the control rod, and the limiting sleeve is kept in abutting connection with the first abutting portion and the second abutting portion.
In one embodiment, the body is provided with an avoiding hole, the limiting sleeve is provided with an extending part, and the extending part extends into the avoiding hole and is in threaded connection with the control rod.
In one embodiment, the first abutting portion has a first abutting surface, and when the control rod rotates forwards from 0 degree to 90 degrees, the limiting sleeve moves downwards along the first abutting surface.
In one embodiment, the second abutting portion has a second abutting surface and a third abutting surface, and when the control rod rotates from 0 degrees to 90 degrees in the forward direction, the limiting sleeve moves downwards along the second abutting surface.
In one embodiment, when the control rod reversely rotates from 0 degrees to 90 degrees, the position limiting sleeve moves upwards along the first abutting surface, and simultaneously moves upwards along the third abutting surface.
The invention has the advantages that:
(1) the control rod is arranged to control the cutting radius of the first cutter body and the second cutter body, so that different working requirements of the reamer can be met;
(2) the first control groove and the second control groove are arranged, the control rod is rotated to control the first cutter body to slide in the first control groove, and the second cutter body to slide in the second control groove, so that the working positions of the first cutter body and the second cutter body are conveniently controlled, and the operation is simple;
(3) the limiting sleeve is arranged and can abut against the first cutter body and the second cutter body, so that the stability of the first cutter body and the second cutter body in working is improved, and the cutting precision is improved;
(4) the limiting sleeve is in threaded connection with the control rod, so that if the limiting sleeve, the first cutter body and the second cutter body can be synchronously controlled by rotating the control rod, and in the moving process of the cutter bodies, the limiting sleeve can always abut against the first cutter body and the second cutter body, so that the limiting sleeve can play a limiting role when the first cutter body and the second cutter body are positioned at any positions;
(5) the working states of the first cutter body and the second cutter body can be judged by observing the position of the limiting sleeve on the body, and the first cutter body and the second cutter body can be conveniently adjusted.
Drawings
FIG. 1 is a perspective view of a diameter adjustable reamer of the present invention;
FIG. 2 is a front view of a diameter adjustable reamer of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken at state D-D of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the state B-B according to FIG. 3 provided by the present invention;
FIG. 6 is a cross-sectional view of the present invention at state C-C according to FIG. 3;
FIG. 7 is a cross-sectional view of the present invention in another operational state according to FIG. 3;
FIG. 8 is a cross-sectional view taken at state D-D of FIG. 7 in accordance with the present invention;
FIG. 9 is a cross-sectional view taken at state B-B of FIG. 7 in accordance with the present invention;
FIG. 10 is a cross-sectional view taken at state C-C of FIG. 7 in accordance with the present invention;
FIG. 11 is a cross-sectional view of the present invention according to FIG. 3 in a further operational condition;
FIG. 12 is a cross-sectional view of the invention according to FIG. 11 in the state D-D;
FIG. 13 is a cross-sectional view taken at state B-B of FIG. 11 in accordance with the present invention;
FIG. 14 is a cross-sectional view taken at the C-C condition of FIG. 11 in accordance with the present invention;
FIG. 15 is a perspective view of a control lever provided by the present invention;
fig. 16 is a perspective view of a stop collar provided by the present invention.
In the figure, a body 1, a mounting hole 11, an avoiding hole 12, a control rod 2, a first control block 21, a first control groove 211, a second control block 22, a second control groove 221, a first cutter body 3, a first abutting part 31, a second cutter body 4, a second abutting part 41, a limiting sleeve 5, an extending part 51 and a limiting ring 52 are shown.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 16, the present invention discloses a diameter-adjustable reamer, which includes: the cutter comprises a body 1, a control rod 2, a first cutter body 3 and a second cutter body 4, wherein a mounting hole 11 is formed in the middle of the body 1, the control rod 2 is rotatably arranged in the mounting hole 11, a first control block 21 and a second control block 22 are arranged at the bottom of the control rod 2, a first control groove 211 is formed in the first control block 21, a second control groove 221 is formed in the second control block 22, the first cutter body 3 is slidably arranged on the body 1 and can extend out of the side face of the body 1, the first cutter body 3 is connected with the first control groove 211, the second cutter body 4 is slidably arranged on the body 1 and can extend out of the side face of the body 1, the second cutter body 4 is connected with the second control groove 221, and the first control block 21 and the second control block 22 can be driven to synchronously rotate by rotating the control rod 2, thereby moving the first tool body 3 in the first control groove 211 and the second tool body 4 in the second control groove 221, so that the cutting radius of the first tool body 3 and the second tool body 4 can be controlled.
It can be understood that the cutting radius is smaller, more accurate processing can be carried out, but the processing efficiency is lower, and through increasing the cutting radius, the processing efficiency can be effectively improved, so that different processing requirements are met, the reamer has greater processing flexibility, and the reamer is suitable for various processing conditions.
Further, by providing the first cutter body 3 and the second cutter body 4 and controlling the positions of the second cutter body 4 and the second cutter body 4, it is possible to perform gradient cutting on the first cutter body 3 and the second cutter body 4, and it can be understood that the cutting depth affects the machining efficiency, but an excessive cutting depth reduces the cutting angle and easily causes damage to the cutter bodies, and by providing a gradient distribution of the cutting radii formed by the first cutter body 3 and the second cutter body 4, it is possible to improve the stepwise cutting, to form a deeper cutting depth, and to obtain a better cutting accuracy.
Preferably, when the control rod 2 rotates forward by 0 to 90 degrees, the first cutter body 3 moves along the first control slot 211 in a direction approaching the control rod 2, and the second cutter body 4 moves along the second control slot 221 in a direction approaching the control rod 2 in synchronization with the first cutter body 3.
Preferably, when the control rod 2 is reversely rotated by 0 to 90 degrees, the first blade 3 moves along the first control groove 211 in a direction away from the control rod 2, and the second blade 4 moves along the second control groove 221 in a direction toward the control rod 2.
Preferably, the body 1 is sleeved with a limiting sleeve 5, the limiting sleeve 5 is in threaded connection with the control rod 2, the lower end of the limiting sleeve 5 is provided with a limiting ring 52, the top of the first cutter body 3 is provided with a first abutting portion 31, the top of the second cutter body 4 is provided with a second abutting portion 41, the control rod 2 is rotated to drive the limiting sleeve 5 to move along the axial direction of the body 1, and the limiting sleeve 5 is kept in abutting connection with the first abutting portion 31 and the second abutting portion 41.
Preferably, the body 1 is provided with an avoiding hole 12, the stop collar 5 is provided with an extending part 51, and the extending part 51 extends into the avoiding hole 12 and is in threaded connection with the control rod 2.
Preferably, the first contact portion 31 has a first contact surface 311, and when the control lever 2 is rotated from 0 degree to 90 degrees in the forward direction, the stop collar 5 moves downward along the first contact surface 311.
Preferably, the second contact portion 41 has a second contact surface 411 and a third contact surface 412, and when the control lever 2 is rotated from 0 degree to 90 degrees in the forward direction, the stopper sleeve 5 moves downward along the second contact surface 411.
Preferably, when the control lever 2 is reversely rotated from 0 degree to 90 degrees, the position-limiting sleeve 5 moves upward along the first abutment surface 311, and simultaneously the position-limiting sleeve 5 moves upward along the third abutment surface 412.
In this embodiment, two first control grooves 211 are arranged on the first control block 21 in a central symmetry manner, two second control grooves 221 are arranged on the second control block 22 in a central symmetry manner, two first cutters 3 and two second cutters 4 are symmetrically arranged on the body 1, and when the control rod 2 rotates, the two first cutters 3 and the two second cutters 4 can be synchronously controlled to move, so that the cutting efficiency of the reamer can be improved, and the reamer can keep balance and stability during rotation, and as can be seen from fig. 3 and 4, the limit ring can be abutted to the two first cutters 3 and the two second cutters 4 at the same time.
It should be noted that, because the two first control slots 211 are arranged in a central symmetry manner, the head end of one first control slot 211 is close to the tail end of the other first control slot 211, and a certain space is required for the connection between the first blade 3 and the first control slot 211, so that the control rod 2 cannot rotate 90 degrees completely, that is, in practical application, the maximum rotation angle of the control rod 2 is less than 90 degrees, and as shown in fig. 5, 9 and 13, the forward rotation to the maximum angle of the control rod 2 and the reverse rotation to the maximum angle do not coincide with each other, it should be known by those skilled in the art that the control rod 2 cannot rotate 90 degrees completely, and is only in a state close to 90 degrees.
The working mode of the invention is as follows: as shown in fig. 2 to 6, the reamer is in an initial state, the stop sleeve 5 is located at an intermediate position, the first cutter body 3 and the second cutter body 4 extend to the same length, so that when the reamer is machined, the cutting radii of the first cutter body 3 and the second cutter body 4 are the same, and as shown in fig. 7 to 10, the control rod 2 rotates forward by 90 degrees, the first cutter body 3 moves along the first control groove 211, and the second cutter body 4 moves along the second control groove 221, so that the extension lengths of the first cutter body 3 and the second cutter body 4 are synchronously reduced, and thus more accurate cutting can be performed; referring to fig. 11 to 14, the reamer rotates reversely 90 degrees from the initial state to the position shown in the figure, and the first cutter body 3 extends outwards, and the first cutter body 3 is folded inwards, so that a gradient structure with a large top and a small bottom is formed, stepped cutting can be performed, and the working efficiency is improved.
It should be mentioned that the first tool body 3 is provided with the first abutting portion 31, the second tool body 4 is provided with the second abutting portion 41, and the stop collar 5 is in threaded connection with the control rod 2, so that when the control rod 2 rotates to control the working positions of the first tool body 3 and the second tool body 4, the stop collar 5 can be simultaneously driven to move along the control rod 2, the stop collar 52 is kept in a state of abutting against the first abutting portion 31 and the second abutting portion 41, and the stability of the first tool body 3 and the second tool body 4 during cutting can be improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A diameter adjustable reamer, said diameter adjustable reamer comprising:
a body; the middle part of the body is provided with a mounting hole;
the control rod is rotatably arranged in the mounting hole, a first control block and a second control block are arranged at the bottom of the control rod, a first control groove is formed in the first control block, and a second control groove is formed in the second control block;
the first cutter body is arranged on the body in a sliding mode and can extend out of the side face of the body, and the first cutter body is connected with the first control groove;
the second cutter body is arranged on the body in a sliding mode and can extend out of the side face of the body, the second cutter body is connected with the second control groove,
the control rod can be rotated to drive the first control block and the second control block to synchronously rotate, so that the first cutter body moves in the first control groove, the second cutter body moves in the second control groove, and the cutting radius of the first cutter body and the second cutter body can be controlled.
2. The diameter adjustable reamer of claim 1 wherein the first cutter body moves along the first control slot in a direction closer to the control rod and the second cutter body moves along the second control slot in a direction closer to the control rod in synchronization with the first cutter body when the control rod is rotated forwardly by 0 to 90 degrees.
3. The adjustable diameter reamer of claim 2 wherein the first cutter moves along the first control slot in a direction away from the control rod and the second cutter moves along the second control slot in a direction toward the control rod when the control rod is counter-rotated 0 to 90 degrees.
4. The diameter adjustable reamer of claim 3, wherein the body is sleeved with a limiting sleeve, the limiting sleeve is in threaded connection with the control rod, the lower end of the limiting sleeve is provided with a limiting ring, the top of the first cutter body is provided with a first abutting portion, the top of the second cutter body is provided with a second abutting portion, the limiting sleeve can be driven to move along the axial direction of the body by rotating the control rod, and the limiting sleeve can be kept in abutting connection with the first abutting portion and the second abutting portion.
5. The diameter-adjustable reamer of claim 4, wherein the body is provided with an avoiding hole, the limiting sleeve is provided with an extending part, and the extending part extends into the avoiding hole and is in threaded connection with the control rod.
6. The adjustable diameter reamer of claim 4 wherein the first abutment has a first abutment surface along which the stop collar moves downwardly when the control rod is rotated forwardly from 0 to 90 degrees.
7. The diameter adjustable reamer of claim 6 wherein the second abutment has a second abutment surface and a third abutment surface, the stop collar moving downwardly along the second abutment surface when the control rod is rotated forwardly from 0 degrees to 90 degrees.
8. The adjustable diameter reamer of claim 7 wherein the stop collar moves upward along the first abutment while the stop collar moves upward along the third abutment when the control rod is rotated reversely from 0 to 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210591343.4A CN114769730B (en) | 2022-05-27 | 2022-05-27 | Reamer with adjustable diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210591343.4A CN114769730B (en) | 2022-05-27 | 2022-05-27 | Reamer with adjustable diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114769730A true CN114769730A (en) | 2022-07-22 |
| CN114769730B CN114769730B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210591343.4A Active CN114769730B (en) | 2022-05-27 | 2022-05-27 | Reamer with adjustable diameter |
Country Status (1)
| Country | Link |
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| CN (1) | CN114769730B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB134452A (en) * | 1919-02-08 | 1919-11-06 | James Long | Improvements in Built-up Milling Cutters, Reamers, and like Cutting Tools. |
| FR501544A (en) * | 1919-07-07 | 1920-04-16 | Henri Chapier | Extendable blade reamer |
| US4043012A (en) * | 1975-11-17 | 1977-08-23 | North American Products Corporation | Axially and radially adjustable cutter insert for rotary cutting tool |
| JPS6130343A (en) * | 1984-07-23 | 1986-02-12 | Honda Motor Co Ltd | Combined machining device for boring and honing |
| JP2001105231A (en) * | 1999-10-04 | 2001-04-17 | Mk Tool:Kk | Reamer capable of fine adjustment of machining dimension in reaming machining |
| JP2002059314A (en) * | 2000-06-06 | 2002-02-26 | Fuji Seiko Ltd | Machining tool |
| DE202004001293U1 (en) * | 2004-01-29 | 2004-05-06 | Bta-Tiefbohrsysteme Gmbh | Deep boring system has two diametrically opposite cutting blades on a rotating mounting inside an outer grip sleeve with radial grip bars to secure in the bore |
| WO2008155104A1 (en) * | 2007-06-20 | 2008-12-24 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Expandable reamer |
| JP2010094750A (en) * | 2008-10-14 | 2010-04-30 | Sugino Mach Ltd | Compound working tool |
| CN102039524A (en) * | 2009-10-21 | 2011-05-04 | 速技能机械有限公司 | Complex machine tools and processing methods |
| CN102581751A (en) * | 2010-12-14 | 2012-07-18 | 速技能机械有限公司 | Combined processing tool |
| CN205324874U (en) * | 2015-12-08 | 2016-06-22 | 太仓瑞鼎精密机械科技有限公司 | Welding reamer with adjustable processing major diameter hole |
| CN205362711U (en) * | 2015-10-21 | 2016-07-06 | 富鼎电子科技(嘉善)有限公司 | Cutting instrument |
| CN110497027A (en) * | 2019-08-31 | 2019-11-26 | 厦门曦哲贸易有限公司 | A kind of outer diameter adjustable reamer based on spiral fluted disc |
| CN211966160U (en) * | 2020-02-28 | 2020-11-20 | 苏州睿摩精密刀具有限公司 | Reamer fine-adjustment jig |
| CN112449616A (en) * | 2018-07-20 | 2021-03-05 | 本田技研工业株式会社 | Machining tool |
| CN113211115A (en) * | 2021-05-27 | 2021-08-06 | 津上精密机床（浙江）有限公司 | Stable collet chuck structure and machine tool applying same |
| CN215698494U (en) * | 2021-06-02 | 2022-02-01 | 无锡锐威精密刀具有限公司 | Combined PCD stepped reamer |
-
2022
- 2022-05-27 CN CN202210591343.4A patent/CN114769730B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB134452A (en) * | 1919-02-08 | 1919-11-06 | James Long | Improvements in Built-up Milling Cutters, Reamers, and like Cutting Tools. |
| FR501544A (en) * | 1919-07-07 | 1920-04-16 | Henri Chapier | Extendable blade reamer |
| US4043012A (en) * | 1975-11-17 | 1977-08-23 | North American Products Corporation | Axially and radially adjustable cutter insert for rotary cutting tool |
| JPS6130343A (en) * | 1984-07-23 | 1986-02-12 | Honda Motor Co Ltd | Combined machining device for boring and honing |
| JP2001105231A (en) * | 1999-10-04 | 2001-04-17 | Mk Tool:Kk | Reamer capable of fine adjustment of machining dimension in reaming machining |
| JP2002059314A (en) * | 2000-06-06 | 2002-02-26 | Fuji Seiko Ltd | Machining tool |
| DE202004001293U1 (en) * | 2004-01-29 | 2004-05-06 | Bta-Tiefbohrsysteme Gmbh | Deep boring system has two diametrically opposite cutting blades on a rotating mounting inside an outer grip sleeve with radial grip bars to secure in the bore |
| WO2008155104A1 (en) * | 2007-06-20 | 2008-12-24 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Expandable reamer |
| JP2010094750A (en) * | 2008-10-14 | 2010-04-30 | Sugino Mach Ltd | Compound working tool |
| CN102039524A (en) * | 2009-10-21 | 2011-05-04 | 速技能机械有限公司 | Complex machine tools and processing methods |
| CN102581751A (en) * | 2010-12-14 | 2012-07-18 | 速技能机械有限公司 | Combined processing tool |
| CN205362711U (en) * | 2015-10-21 | 2016-07-06 | 富鼎电子科技(嘉善)有限公司 | Cutting instrument |
| CN205324874U (en) * | 2015-12-08 | 2016-06-22 | 太仓瑞鼎精密机械科技有限公司 | Welding reamer with adjustable processing major diameter hole |
| CN112449616A (en) * | 2018-07-20 | 2021-03-05 | 本田技研工业株式会社 | Machining tool |
| CN110497027A (en) * | 2019-08-31 | 2019-11-26 | 厦门曦哲贸易有限公司 | A kind of outer diameter adjustable reamer based on spiral fluted disc |
| CN211966160U (en) * | 2020-02-28 | 2020-11-20 | 苏州睿摩精密刀具有限公司 | Reamer fine-adjustment jig |
| CN113211115A (en) * | 2021-05-27 | 2021-08-06 | 津上精密机床（浙江）有限公司 | Stable collet chuck structure and machine tool applying same |
| CN215698494U (en) * | 2021-06-02 | 2022-02-01 | 无锡锐威精密刀具有限公司 | Combined PCD stepped reamer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114769730B (en) | 2024-03-12 |
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