WO2019220926A1 - Deburring and chamfering tool - Google Patents

Deburring and chamfering tool Download PDF

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Publication number
WO2019220926A1
WO2019220926A1 PCT/JP2019/017802 JP2019017802W WO2019220926A1 WO 2019220926 A1 WO2019220926 A1 WO 2019220926A1 JP 2019017802 W JP2019017802 W JP 2019017802W WO 2019220926 A1 WO2019220926 A1 WO 2019220926A1
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Prior art keywords
deburring
spring
chamfering
tool
workpiece
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PCT/JP2019/017802
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French (fr)
Japanese (ja)
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ディン ディン グィエン
ヴァン ティエップ チャン
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カトウ工機株式会社
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Priority to CN201980030131.5A priority Critical patent/CN112074365A/en
Publication of WO2019220926A1 publication Critical patent/WO2019220926A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material

Definitions

  • the present invention relates to a deburring and chamfering tool, and more particularly to a tool capable of continuously deburring and chamfering the front and back of a workpiece.
  • Machined products and cast products generally have burrs at their corners, etc., so they cannot function as they are, and there is a risk of injury if touched.
  • An object of the present invention is to provide a deburring and chamfering tool that can easily automate deburring and chamfering.
  • the first spring and the second spring have a bi-directional extension mechanism
  • the first spring and the second spring are respectively K ⁇ F 0 ⁇ H / ⁇ L Having a spring constant K (N / mm) satisfying
  • F 0 is a standard set load (N)
  • H is a load change value (%)
  • ⁇ L is a length direction change value (mm)
  • H is 10% or less.
  • the cutting edge or the file portion of the deburring and chamfering tool is made of a “abacus” shaped cemented carbide.
  • the load change is small and the processed surface after deburring can be made uniform.
  • the deburring and chamfering tool of the present invention has an expansion / contraction mechanism in both directions, the front and back of the workpiece can be worked with one deburring and chamfering tool.
  • the deburring and chamfering tool of the present invention does not require adjustment of the spring force, and a tool suitable for the material and chamfering size of the workpiece can be easily selected.
  • Cast burr has uneven unevenness, making it difficult to program for machining. Therefore, the deburring tool needs to have a flexible extension / contraction mechanism. With the expansion and contraction mechanism, a safe and clean processed surface can be obtained with a simple program.
  • the expansion / contraction mechanism is required to have a small load change due to expansion / contraction from the viewpoint of usability.
  • FIG. 1 is a cross-sectional view showing a configuration of a deburring and chamfering tool 100 according to the present invention.
  • the deburring and chamfering tool 100 is attached to the shank 1 which is a connecting means between the main body 2 and a drive motor or a tool holder attached to the left of the main body 2 in the figure, and to the right of the main body 2 in the figure.
  • the cutting tool 13 is fixed to the main body by a taper collet 11 and a nut 10.
  • the first spring 4 is a compression coil spring and is disposed between the spring receiver 7 and the main body 2
  • the second spring 5 is a tension coil spring and is disposed between the spring receiver 7 and the main body 2.
  • the set load is set by the combination of the first spring 4 and the second spring 5.
  • the first spring 4 and the second spring 5 are respectively K ⁇ F 0 ⁇ H / ⁇ L Having a spring constant K (N / mm) satisfying
  • F 0 is a standard set load (N)
  • H is a load change value (%)
  • ⁇ L is a length direction change value (mm)
  • H is 10% or less.
  • the spring constants of the first spring 4 and the second spring 5 may be different.
  • FIG. 2 is a diagram showing processing of a workpiece (workpiece) by a conventional cutting edge or file 12.
  • Fig. 2 (a) shows the processing of the surface burr of the workpiece
  • Fig. 2 (b) shows the processing of the surface burr of the workpiece.
  • FIG. 3 is a view for explaining the movement of the cutting edge or the file portion 12 relative to the workpiece (workpiece) 20 according to the embodiment of the present invention.
  • the shape of the workpiece is simplified as shown on the left in the figure.
  • a workpiece has front and back burrs by machining and casting.
  • the cutting edge or file portion 12 of the present application is made of a cemented carbide material having an “abacus bead” shape, and can correspond to both front and back burrs as shown on the right side of the figure.
  • the front burr corresponds to the lower side of the “abacus pearl” shape
  • the back burr corresponds to the upper side of the “abacus pearl” shape.
  • the ability to handle both front and back burrs using the abacus-shaped cutting edge or file 12 is achieved by having the bi-directional expansion and contraction mechanism described above.
  • the deburring and chamfering tool of the present invention is a method of facilitating a tool adjusted to several kinds of set loads so as to adapt to various machining conditions, and selecting a tool according to the workpiece material, chamfer size, etc. .
  • the deburring and chamfering tool 100 of the present invention color-codes part or all of the main body 2, the cover 8, and the like.
  • 4 to 6 are graphs for selecting a suitable tool.
  • 4 is a graph for selecting a tool from the workpiece material and the chamfer size
  • FIG. 5 is a graph for selecting a tool from the hardness and chamfer size of the workpiece material
  • FIG. 6 is a tensile strength and chamfer of the workpiece material. It is a graph for selecting a tool from the size.
  • the graphs of FIGS. 4 to 6 show tools adjusted to four types of set loads, and tools adjusted to the highest set load or the lowest set load in order from the top.
  • the types of set loads are not limited to four.
  • the optimum deburring and chamfering tool 100 is selected from these graphs based on the material and the chamfer size. Since the deburring and chamfering tool 100 of the present invention is color-coded for each set load, the deburring and chamfering tool 100 having a desired set load can be selected without mistake.
  • the load change is small, the processed surface after deburring can be made uniform, Since the deburring and chamfering tool of the present invention has an expansion and contraction mechanism in both directions, the front and back of the workpiece can be worked with one deburring and chamfering tool, There is no need to adjust the spring force, and it is possible to easily select a tool suitable for the material and chamfer size of the workpiece.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Milling Processes (AREA)

Abstract

A deburring and chamfering tool, characterized in that: the tool has a bidirectional expansion-and-contraction mechanism configured from a first spring and a second spring; each of the first spring and the second spring has a spring constant K (N/mm) that satisfies the relationship K ≤ F0⋅H/ΔL, where F0 is the standard setting load (N), H is the load change value (%), and ΔL is the length-direction change value (mm); and H is 10% or less.

Description

バリ取り及び面取り工具Deburring and chamfering tools
　本発明は、バリ取り及び面取り工具に係り、より詳しくは、被加工物の表裏のバリ取り及び面取りを連続して行える工具に関する。 The present invention relates to a deburring and chamfering tool, and more particularly to a tool capable of continuously deburring and chamfering the front and back of a workpiece.
　機械加工品、鋳造品は一般的にその角部などにバリを有し、そのままでは機能を果たせず、触ると怪我をする恐れがある。 Machined products and cast products generally have burrs at their corners, etc., so they cannot function as they are, and there is a risk of injury if touched.
　したがって、バリ取りの工程は避けられないが、多くが手加工で行われている。 Therefore, the deburring process is inevitable, but many are done by hand.
　手加工では安全性確保が難しく、合わせて労働力の減少や原価低減のため、バリ取り加工の自動化は重用課題である。 Securing safety is difficult with manual machining, and automating deburring is an important issue because it reduces labor and costs.
　本発明の目的は、バリ取り及び面取り加工を自動化しやすいバリ取り及び面取り工具を提供することにある。 An object of the present invention is to provide a deburring and chamfering tool that can easily automate deburring and chamfering.
　本発明の実施例によれば、第１バネ、第２バネにより両方向の伸縮機構を有し、
　前記第１バネ、第２バネは、それぞれ
　Ｋ≦Ｆ０・Ｈ／△Ｌ
を満たすばね常数Ｋ（Ｎ／ｍｍ）を有し、
　ここでＦ０は標準設定荷重（Ｎ）であり、Ｈは荷重変化値（％）であり、△Ｌは長さ方向変化値（ｍｍ）であり、
　Ｈは１０％以下であることを特徴とする。 According to the embodiment of the present invention, the first spring and the second spring have a bi-directional extension mechanism,
The first spring and the second spring are respectively K ≦ F 0 · H / ΔL
Having a spring constant K (N / mm) satisfying
Here, F 0 is a standard set load (N), H is a load change value (%), ΔL is a length direction change value (mm),
H is 10% or less.
　本発明の実施例によれば、バリ取り及び面取り工具の切れ刃又はやすり部は、「そろばん珠」形状の超硬材からなることを特徴とする。 According to an embodiment of the present invention, the cutting edge or the file portion of the deburring and chamfering tool is made of a “abacus” shaped cemented carbide.
　本発明の実施例によれば、被加工物の材質、面取り大きさに対応する複数の設定荷重に調整された複数のバリ取り及び面取り工具であり、区別のために色分けされることを特徴とする。 According to an embodiment of the present invention, there are a plurality of deburring and chamfering tools adjusted to a plurality of set loads corresponding to the material and chamfering size of the workpiece, and are color-coded for distinction. To do.
　本発明のバリ取り及び面取り工具の使用により、荷重変化が少なく、バリ取り後の加工面を均一にできる。 ) By using the deburring and chamfering tool of the present invention, the load change is small and the processed surface after deburring can be made uniform.
　本発明のバリ取り及び面取り工具は、両方向に伸縮機構を有するので、被加工物の表裏を１つのバリ取り及び面取り工具により作業を行うことができる。 Since the deburring and chamfering tool of the present invention has an expansion / contraction mechanism in both directions, the front and back of the workpiece can be worked with one deburring and chamfering tool.
　本発明のバリ取り及び面取り工具は、ばね力の調整の必要が無く、被加工物の材質や面取り大きさに適した工具を容易に選択できる。 The deburring and chamfering tool of the present invention does not require adjustment of the spring force, and a tool suitable for the material and chamfering size of the workpiece can be easily selected.
本発明によるバリ取り及び面取り工具の構成を示す断面図である。It is sectional drawing which shows the structure of the deburring and chamfering tool by this invention. 従来の切れ刃又はやすり部によるワークの加工を示す図である。It is a figure which shows the process of the workpiece | work by the conventional cutting blade or a file part. 本発明の実施例による、ワークに対する切れ刃又はやすり部の動きを説明する図である。It is a figure explaining the motion of the cutting blade or the file part with respect to the workpiece | work by the Example of this invention. ワーク材質と面取り大きさから工具を選ぶためのグラフである。It is a graph for selecting a tool from a work material and a chamfer size. ワーク材料の硬度と面取り大きさから工具を選ぶためのグラフである。It is a graph for selecting a tool from the hardness and chamfer size of a workpiece material. ワーク材料の引っ張り強さと面取り大きさから工具を選ぶためのグラフである。It is a graph for selecting a tool from the tensile strength and chamfer size of a workpiece material.
　鋳造品のバリはその凸凹が不均一であり、機械加工のためのプログラムが作りにくい。そこで、バリ取り工具に凸凹に対する自在性のある伸縮機構が必要である。前記伸縮機構があれば簡単なプログラムにより安全できれいな加工面が得られる。 Cast burr has uneven unevenness, making it difficult to program for machining. Therefore, the deburring tool needs to have a flexible extension / contraction mechanism. With the expansion and contraction mechanism, a safe and clean processed surface can be obtained with a simple program.
　また、伸縮機構には、使い勝手の面から伸縮による荷重変化が小さいことが求められる。 Also, the expansion / contraction mechanism is required to have a small load change due to expansion / contraction from the viewpoint of usability.
　以下、図面を参照して本発明に係るバリ取り及び面取り工具を詳しく説明する。 Hereinafter, the deburring and chamfering tool according to the present invention will be described in detail with reference to the drawings.
　図１は、本発明によるバリ取り及び面取り工具１００の構成を示す断面図である。バリ取り及び面取り工具１００は、本体部２と、図中、本体部２の左に取付けられる駆動モータや工具ホルダ等との連結手段であるシャンク１と、図中、本体部２の右に取付けられるテーパコレット１１と、ナット１０と、シャンク１の一部を覆うカバー８と、切れ刃又はやすり部１２を有する刃具１３と、第１バネ４と、第２バネ５と、バネ受け部７と、芯棒６と、からなる。刃具１３は、テーパコレット１１、ナット１０により本体に固定される。 FIG. 1 is a cross-sectional view showing a configuration of a deburring and chamfering tool 100 according to the present invention. The deburring and chamfering tool 100 is attached to the shank 1 which is a connecting means between the main body 2 and a drive motor or a tool holder attached to the left of the main body 2 in the figure, and to the right of the main body 2 in the figure. A tapered collet 11, a nut 10, a cover 8 covering a part of the shank 1, a cutting tool 13 having a cutting edge or a file portion 12, a first spring 4, a second spring 5, and a spring receiving portion 7. , Core rod 6. The cutting tool 13 is fixed to the main body by a taper collet 11 and a nut 10.
　図１において、第１バネ４は圧縮コイルバネであり、ばね受け７と本体２の間に配置され、第２バネ５は引っ張りコイルバネであり、ばね受け７と本体２の間に配置される。 1, the first spring 4 is a compression coil spring and is disposed between the spring receiver 7 and the main body 2, and the second spring 5 is a tension coil spring and is disposed between the spring receiver 7 and the main body 2.
　第１バネ４、第２バネ５の組合せにより、設定荷重が設定される。 The set load is set by the combination of the first spring 4 and the second spring 5.
　従来、ばね力を利用したバリ取り及び面取り工具は、伸縮量に比例して荷重変化が大きく、凸凹がある形状のバリにおいては、バリをとった面の大きさが異なり見栄えが悪いものであった。 Conventional deburring and chamfering tools that use spring force have a large load change in proportion to the amount of expansion and contraction. It was.
　刃具１３が押される場合、第１バネ４は縮み、第１バネ４による荷重は増加するが、第２バネ５も縮み、第２バネ５よる荷重は減少し、荷重の変化は少なくなる。 When the blade 13 is pressed, the first spring 4 is contracted and the load by the first spring 4 is increased, but the second spring 5 is also contracted, the load by the second spring 5 is decreased, and the change in the load is reduced.
　しかしながら、荷重の変化はこれだけでは十分ではなく、本発明においては、さらに荷重変化を少なくする方法をとる。 However, this is not sufficient to change the load. In the present invention, a method of further reducing the load change is employed.
　第１バネ４、第２バネ５は、それぞれ
　Ｋ≦Ｆ０・Ｈ／△Ｌ
を満たすばね常数Ｋ（Ｎ／ｍｍ）を有し、
　ここでＦ０は標準設定荷重（Ｎ）であり、Ｈは荷重変化値（％）であり、△Ｌは長さ方向変化値（ｍｍ）であり、
　Ｈは１０％以下であることを特徴とする。
　第１バネ４、第２バネ５のばね常数は異なっていてもよい。 The first spring 4 and the second spring 5 are respectively K ≦ F 0 · H / ΔL
Having a spring constant K (N / mm) satisfying
Here, F 0 is a standard set load (N), H is a load change value (%), ΔL is a length direction change value (mm),
H is 10% or less.
The spring constants of the first spring 4 and the second spring 5 may be different.
　次に、切れ刃又はやすり部１２について説明する。 Next, the cutting edge or file part 12 will be described.
　図２は従来の切れ刃又はやすり部１２によるワーク（被加工物）の加工を示す図である。 FIG. 2 is a diagram showing processing of a workpiece (workpiece) by a conventional cutting edge or file 12.
　図２（ａ）はワークの表バリの加工を示し、図２（ｂ）はワークの表バリの加工を示す。 Fig. 2 (a) shows the processing of the surface burr of the workpiece, and Fig. 2 (b) shows the processing of the surface burr of the workpiece.
　それぞれ形状の異なる切れ刃又はやすり部１２を有する刃具１３を準備し、加工箇所に合わせて、刃具１３を取り換える必要があった。 It was necessary to prepare a cutting tool 13 having cutting edges or files 12 having different shapes, and to replace the cutting tool 13 in accordance with the processing location.
　図３は本発明の実施例による、ワーク（被加工物）２０に対する切れ刃又はやすり部１２の動きを説明する図である。 FIG. 3 is a view for explaining the movement of the cutting edge or the file portion 12 relative to the workpiece (workpiece) 20 according to the embodiment of the present invention.
　ワークの形状は、単純化すると図中左に示すような形状となる。一般的に機械加工、鋳造によりワークは表バリ、裏バリを有する。本願の切れ刃又はやすり部１２は「そろばん珠」形状を有する超硬材からなり、図中右に示すように、表バリ、裏バリの両方に対応できる。例えば、表バリに対しては、「そろばん珠」形状の下側で対応し、裏バリに対しては、「そろばん珠」形状の上側で対応する。 ワ ー ク The shape of the workpiece is simplified as shown on the left in the figure. Generally, a workpiece has front and back burrs by machining and casting. The cutting edge or file portion 12 of the present application is made of a cemented carbide material having an “abacus bead” shape, and can correspond to both front and back burrs as shown on the right side of the figure. For example, the front burr corresponds to the lower side of the “abacus pearl” shape, and the back burr corresponds to the upper side of the “abacus pearl” shape.
　刃具１３を交換することなく、表バリ、裏バリの両方に対応できることにより、工数が減り、段取り時間、加工時間を減少でき、加工効率を向上させ、自動化にも対応できるようになる。 Since both front and back burrs can be handled without replacing the cutting tool 13, man-hours can be reduced, setup time and machining time can be reduced, machining efficiency can be improved, and automation can be supported.
　「そろばん珠」形状の切れ刃又はやすり部１２を使用して表バリ、裏バリの両方に対応できるのは、前述した両方向の伸縮機構を有することにより達成される。 The ability to handle both front and back burrs using the abacus-shaped cutting edge or file 12 is achieved by having the bi-directional expansion and contraction mechanism described above.
　次にばね力の固定について説明する。現在片方向の伸縮に対応し、ばね力調整ができるバリ取り工具がある。しかしながらワークの材質やバリ・面取りの大きさなど加工条件に適したばね力に調整できたかの判断は難しく、また調整間違いの恐れもある。 Next, fixing the spring force will be explained. Currently, there are deburring tools that can adjust the spring force in response to one-way expansion and contraction. However, it is difficult to determine whether the spring force can be adjusted to suit the machining conditions such as the workpiece material, the size of burrs, and chamfering, and there is a risk of incorrect adjustment.
　そこで、本発明のバリ取り及び面取り工具は、様々な加工条件に適応するように数種類の設定荷重に調整した工具を容易し、ワーク材質、面取り大きさなどに応じて工具を選択する方式とした。 Therefore, the deburring and chamfering tool of the present invention is a method of facilitating a tool adjusted to several kinds of set loads so as to adapt to various machining conditions, and selecting a tool according to the workpiece material, chamfer size, etc. .
　ここで、設定荷重に応じて、本発明のバリ取り及び面取り工具１００は、本体部２、カバー８等の一部又は全部を色分けする。 Here, depending on the set load, the deburring and chamfering tool 100 of the present invention color-codes part or all of the main body 2, the cover 8, and the like.
　図４乃至図６は適した工具を選ぶためのグラフである。
　図４はワーク材質と面取り大きさから工具を選ぶためのグラフであり、図５はワーク材料の硬度と面取り大きさから工具を選ぶためのグラフであり、図６はワーク材料の引っ張り強さと面取り大きさから工具を選ぶためのグラフである。 4 to 6 are graphs for selecting a suitable tool.
4 is a graph for selecting a tool from the workpiece material and the chamfer size, FIG. 5 is a graph for selecting a tool from the hardness and chamfer size of the workpiece material, and FIG. 6 is a tensile strength and chamfer of the workpiece material. It is a graph for selecting a tool from the size.
　例として、図４乃至図６のグラフにおいては、４種類の設定荷重に調整した工具を示し、上から順に最高の設定荷重乃至最低の設定荷重に調整した工具を示す。もちろん、設定荷重の種類は、４種類に限定されない。 As an example, the graphs of FIGS. 4 to 6 show tools adjusted to four types of set loads, and tools adjusted to the highest set load or the lowest set load in order from the top. Of course, the types of set loads are not limited to four.
　実作業においては、材料、面取り大きさに基づき、これらのグラフから最適なバリ取り及び面取り工具１００を選択する。
　本発明のバリ取り及び面取り工具１００は、設定荷重ごとに色分けされているので、希望の設定荷重のバリ取り及び面取り工具１００を間違わずに選択できる。 In actual work, the optimum deburring and chamfering tool 100 is selected from these graphs based on the material and the chamfer size.
Since the deburring and chamfering tool 100 of the present invention is color-coded for each set load, the deburring and chamfering tool 100 having a desired set load can be selected without mistake.
　本発明の実施により荷重変化が少なく、バリ取り後の加工面を均一にでき、
　本発明のバリ取り及び面取り工具は、両方向に伸縮機構を有するので、被加工物の表裏などを１つのバリ取り及び面取り工具により作業を行うことができ、
　ばね力の調整の必要が無く、被加工物の材質や面取り大きさに適した工具を容易に選ぶことができる By carrying out the present invention, the load change is small, the processed surface after deburring can be made uniform,
Since the deburring and chamfering tool of the present invention has an expansion and contraction mechanism in both directions, the front and back of the workpiece can be worked with one deburring and chamfering tool,
There is no need to adjust the spring force, and it is possible to easily select a tool suitable for the material and chamfer size of the workpiece.
　１　シャンク
　２　本体
　４　第１バネ１
　５　第２バネ２
　７　バネ受け
　８　カバー
　１０　ナット
　１１　テーパコレット
　１２　切れ刃又はやすり部
　１３　刃具
　１００　バリ取り及び面取り工具 1 Shank 2 Body 4 First spring 1
5 Second spring 2
7 Spring support 8 Cover 10 Nut 11 Taper collet 12 Cutting edge or file part 13 Cutting tool 100 Deburring and chamfering tool

Claims (3)

  1. 　バリ取り及び面取り工具であって、
    　第１バネ、第２バネにより両方向の伸縮機構を有し、
    　前記第１バネ、第２バネは、それぞれ
    　Ｋ≦Ｆ０・Ｈ／△Ｌ
    を満たすばね常数Ｋ（Ｎ／ｍｍ）を有し、
    　ここでＦ０は標準設定荷重（Ｎ）であり、Ｈは荷重変化値（％）であり、△Ｌは長さ方向変化値（ｍｍ）であり、
    　Ｈは１０％以下であることを特徴とするバリ取り及び面取り工具。     A deburring and chamfering tool,
    It has a telescopic mechanism in both directions by the first spring and the second spring,
    The first spring and the second spring are respectively K ≦ F 0 · H / ΔL
    Having a spring constant K (N / mm) satisfying
    Here, F 0 is a standard set load (N), H is a load change value (%), ΔL is a length direction change value (mm),
    Deburring and chamfering tools characterized in that H is 10% or less.
  2. 　バリ取り及び面取り工具の切れ刃又はやすり部は、「そろばん珠」形状の超硬材からなることを特徴とする請求項１に記載のバリ取り及び面取り工具。 2. The deburring and chamfering tool according to claim 1, wherein a cutting edge or a file portion of the deburring and chamfering tool is made of a abacus-shaped carbide material.
  3. 　前記バリ取り及び面取り工具は、被加工物の材質、面取り大きさに対応する複数の設定荷重に調整された複数のバリ取り及び面取り工具であって、
    　前記複数のバリ取り及び面取り工具は、区別のために色分けされることを特徴とする請求項１に記載のバリ取り及び面取り工具。     The deburring and chamfering tools are a plurality of deburring and chamfering tools adjusted to a plurality of set loads corresponding to the material of the workpiece and the chamfering size,
    The deburring and chamfering tool according to claim 1, wherein the plurality of deburring and chamfering tools are color-coded for distinction.
PCT/JP2019/017802 2018-05-18 2019-04-25 Deburring and chamfering tool WO2019220926A1 (en)

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DE102021128197A1 (en) 2021-10-28 2023-05-04 Andreas Vratny Spiralized deburrer

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CN111940842B (en) * 2020-07-03 2022-10-25 中国第一汽车股份有限公司 Adjustable spiral type floating chamfering tool and chamfering method

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JP3115607U (en) * 2005-08-09 2005-11-10 株式会社兼古製作所 Color bit
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Publication number Priority date Publication date Assignee Title
JP6989196B1 (en) * 2021-08-31 2022-01-05 カトウ工機株式会社 Deburring holder
JP2023035131A (en) * 2021-08-31 2023-03-13 カトウ工機株式会社 deburring holder
DE102021128197A1 (en) 2021-10-28 2023-05-04 Andreas Vratny Spiralized deburrer

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CN112074365A (en) 2020-12-11
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