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WO2002066189A1 - Procede de fraisage utilisant un outil rotatif - Google Patents

Procede de fraisage utilisant un outil rotatif Download PDF

Info

Publication number
WO2002066189A1
WO2002066189A1 PCT/JP2002/001552 JP0201552W WO02066189A1 WO 2002066189 A1 WO2002066189 A1 WO 2002066189A1 JP 0201552 W JP0201552 W JP 0201552W WO 02066189 A1 WO02066189 A1 WO 02066189A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutting
concave portion
contour
rotary tool
numerical data
Prior art date
Application number
PCT/JP2002/001552
Other languages
English (en)
Japanese (ja)
Inventor
Shinjiro Yamada
Seiki Sato
Shinichi Abe
Takashi Inomata
Naoki Horiguchi
Kazuyasu Suda
Jun Nishijima
Original Assignee
Incs Inc.
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 Incs Inc. filed Critical Incs Inc.
Publication of WO2002066189A1 publication Critical patent/WO2002066189A1/fr

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Classifications

    • 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
    • B23C3/16—Working surfaces curved in two directions
    • B23C3/20—Working surfaces curved in two directions for shaping dies
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36214—Pocket machining, area clearance, contained cutting, axis milling

Definitions

  • the present invention relates to a cutting method, and more particularly, to a cutting method for forming a concave portion, a convex portion, and the like including a curved surface in a material by a cutting process using a rotary blade.
  • a method of forming concave portions and convex portions in a material such as a material by cutting is to rotate a cutting tool such as a drill or an end mill with a so-called spin drunit and cut the material to form concave portions and convex portions in a desired shape. There is a way to do it.
  • the amount of cutting per unit time is reduced by using a thin drill or a mill to increase processing accuracy. Therefore, a long working time is required until the concave and convex portions are completed.
  • a tool having a large cutting portion with a large removal amount is used, fine processing cannot be performed on the concave portion, the convex portion, and the like. For this reason, for example, in the concave portion for mold cavity, the concave portion is roughly cut with a thick cut portion. Kaloe is performed, and finally, the surface of the concave portion is finally finished with a tool having a cutting part for fine finishing.
  • the present invention focuses on the above points, and has as its basic object to provide a cutting method capable of performing high-precision cutting in a short working time. Disclosure of the invention
  • the present invention provides a method for forming a concave portion having at least a part formed of a curved surface in a material.
  • This method divides (a) the numerical value of the concave portion to be formed into a numerical value for each of a plurality of concave portions having different heights at upper and lower positions divided by contour lines divided by a predetermined height difference. And (b) using the elongated first rotating tool having cutting edges formed on the tip and side surfaces based on the numerical data for each of the concave portions, along the contour line that defines the highest concave portion.
  • D cutting the region surrounded by the contour groove cut in the previous step using the rotary tool of (1), and forming the highest concave portion on the surface of the material in a shape having a flat bottom; ) Based on the numerical data for each of the concave portions, using the first rotating tool
  • the bottom of the concave portion formed in the previous step, following the concave portion formed in the previous step, is equal to the thickness of the concave portion inside the contour line along the contour line that divides the concave portion having a height.
  • the surface of the concave portion is cut by a thin rotary blade, so that fine processing can be performed, processing accuracy is improved, and in some cases, finishing processing is unnecessary.
  • the present invention provides a method for forming a convex portion at least partially constituted by a curved surface on a material.
  • This method comprises the steps of: (a) forming a numerical value of a concave portion surrounding a convex portion to be formed by different heights vertically separated by contour lines divided by a predetermined height difference; (B) based on the numerical data for each of the concave portions, using a first elongated rotary tool having cutting edges formed on the tip and side surfaces. Cutting a contour groove having a depth equal to the thickness of the highest concave portion inside the contour line along the contour line defining the high concave portion; and (c) numerical value data for each concave portion.
  • the area outside the contour groove cut in the previous process is cut, and the highest concave portion is formed into a shape having a flat bottom.
  • D using the first rotating tool, on the bottom surface of the concave portion formed in the previous process, based on the numerical value data for each concave portion, Along a contour line that defines a concave portion having a height next to the formed concave portion, the inside of the contour line is A step of cutting a contour groove having a depth equal to the thickness of the concave portion, and (e) cutting in the previous step using the second rotary tool based on a numerical data for each concave portion. Cutting a region outside the contour groove to form a new concave portion having a flat bottom surface continuing below the already formed concave portion; and (f) forming the concave portion in the material. Repeating steps (d) and (e) until
  • the guide groove along a cutting line on which the contour groove is to be formed is formed by the first rotating tool. Form. According to such a configuration, the guide groove is formed at a more accurate position.
  • the guide groove is formed by the first rotary tool moving a plurality of times along a cutting line.
  • the difference in the predetermined height is 3 ⁇ m to 50 ⁇ m.
  • the present invention provides the first rotating tool, wherein the first rotating tool has a tip and a side face.
  • a cutting tool provided with a cutting blade and having an elongated cylindrical cutting portion having a diameter D of 1 mm or less and a ratio LZD of the effective length L to the diameter D of 10 or more.
  • FIG. 1 is a schematic perspective view of a machining center for performing a cutting process according to an embodiment of the present invention.
  • FIG. 2 is a side view of a ball end mill used for cutting according to the embodiment of the present invention.
  • FIG. 3 is a side view of a flat end mill used for cutting according to the embodiment of the present invention.
  • FIG. 4 is a side view of a mill having a substantially triangular tip at a cutting portion used for cutting according to the embodiment of the present invention.
  • FIG. 5 is a cross-sectional view illustrating a process of dividing the concave portion for forming the concave portion into the concave portion according to the first embodiment of the present invention.
  • FIG. 6 is a perspective view illustrating a process of dividing the concave portion for forming the concave portion into the concave portion according to the first embodiment of the present invention.
  • FIG. 7 is a perspective view illustrating a contour groove corresponding to the uppermost concave portion in the first embodiment of the present invention.
  • FIG. 8 is a cross-sectional view illustrating cutting of a contour groove for the uppermost concave portion in the first embodiment of the present invention.
  • FIG. 9 is a perspective view illustrating cutting of a region surrounded by a contour groove for the uppermost concave portion in the first embodiment of the present invention.
  • FIG. 10 is a perspective view showing the uppermost concave portion formed by cutting in the first embodiment of the present invention.
  • FIG. 11 is a perspective view illustrating cutting in a contour groove corresponding to the second concave portion in the first embodiment of the present invention.
  • FIG. 12 is a perspective view illustrating cutting of a region surrounded by a contour groove for the second concave portion in the first embodiment of the present invention.
  • FIG. 13 is a perspective view of a recess formed by cutting in the first embodiment of the present invention.
  • FIG. 14 is a cross-sectional view illustrating a contour groove corresponding to the uppermost concave portion in the second embodiment of the present invention.
  • FIG. 15 is a perspective view for explaining contour groove cutting of the uppermost concave portion in the second embodiment of the present invention.
  • FIG. 16 is a perspective view for explaining cutting of the outer region of the contour groove corresponding to the uppermost concave portion in the second embodiment of the present invention.
  • FIG. 1 is a schematic perspective view of the machining center 1.
  • the machining center 1 includes a base 2 installed on a floor surface, and a processing section 4 disposed above the base 2.
  • a processing table 8 on which a workpiece 6 to be cut is placed is provided below the processing section 4.
  • the processing table 8 is configured to be able to move vertically and horizontally by a known mechanism based on numerical data for cutting.
  • a head 10 is provided above the processing table 8, and a unit mounting portion 14 to which the spindle unit 12 is detachably mounted is provided below the head 10. ing.
  • the spindle unit 12 is attached to the unit mounting section 12 so that the cutting tool 16 attached to the tip of the spindle unit 12 faces the caroe table 8 and can cut the work 6 on the processing table 8. I have.
  • the head 10 is provided with a number for cutting by a known mechanism. It is possible to move vertically and horizontally with respect to the worktable 8 based on the value data ⁇
  • a chuck is built in the unit mounting portion 14, and a force bra (not shown) at the rear end of the spindle unit 12 is coupled to the chuck, thereby connecting the spindle unit 12 to the unit mounting portion 14. It can be detachably attached and fixed.
  • the spindle unit 12 is capable of cutting a workpiece 6 by rotating a cutting tool 16 attached to the tip of a rotatable main spindle at a speed of 500 rpm or more per minute by a built-in motor. It is.
  • the worktable 6 on which the work 6 is mounted and the spin drunk unit 12 are relatively moved based on the numerical data relating to the cutting work, so that the work 6 can be moved as desired. Can be cut.
  • the machining center 1 is equipped with a so-called ATC (Automatic Tool Changer) that can automatically change the spindle unit 12.
  • ATC Automatic Tool Changer
  • a replacement spindle unit mounting portion 18 is provided on the side of the head 10 for mounting a replacement spindle unit.
  • a plurality of replacement spindle units 20 to which cutting tools having different dimensions and shapes are mounted are mounted on the niche mounting portion 18.
  • a replacement unit for replacing the spindle unit 12 attached to the unit mounting portion 14 with the replacement spindle unit 20 attached to the replacement spindle unit mounting portion 18 is provided below the head 10.
  • An arm 22 is provided below the head 10.
  • the replacement spindle unit mounting section 18 sequentially moves the replacement spindle unit 20 in the direction of the replacement arm 22 by a drive mechanism (not shown), and the desired replacement spindle unit.
  • the unit 20 is configured to be gripped by the replacement arm 22 and exchangeable with the spindle unit 12 mounted on the unit mounting portion 14. Therefore, in machining center 1, the unit is mounted on the unit mounting section 14.
  • the work 6 can be subjected to various processes by exchanging the hinged unit 12 to be worn.
  • a cutting tool 16 which is a rotary tool attached to a spindle unit or a plurality of replacement spindle units 20 attached to a unit mounting portion is connected to a built-in motor output shaft. It is integrated with the main shaft.
  • the types of cutting tools 16 include the so-called ball end mill 24 (Fig. 2), in which the tip of the cutting part is substantially hemispherical, and the so-called flat end mill 26 (Fig. 3), in which the tip of the cutting part has a flat tip.
  • a mill 28 (FIG. 4) having a substantially conical cutting end.
  • a plurality of types of ball end mills 24, flat end mills 26, and mills 28 having different thicknesses (diameters) of cutting portions are mounted on a plurality of replacement spindle units 20, respectively.
  • Each of these minoles 24, 26, 28 has a cutting blade at the tip 24a, 26a, 28a and the side face 24b, 26b, 28b.
  • These mills include a thin mill with a diameter D of 1 mm or less and a slender cylindrical cutting part with a ratio L / D of effective length L to diameter D of 10 or more, that is, a small diameter cutting part. And thicker mills with a larger diameter than thinner mills.
  • FIGS. 5 to 13 a first embodiment of the present invention in which, for example, a concave portion serving as a cavity of a mold for manufacturing a cellular phone component is formed in a metal material for a mold (work 6).
  • the formation of the concave portion by the cutting method described above will be described.
  • metal materials for molds include, for example, rolled steel for general structures (SS), carbon steel for machine structures (SC, SCK), carbon tool steel (SK), alloy tool steel (SKS, SKD), High speed steel (SN C), high carbon chromium, bearing steel (SN J), nickel chromium molybdenum steel (SNC M), chromium molybdenum steel (SCM), aluminum chromium molybdenum steel (SA CM), pre-hardened steel, high tensile aluminum alloy And aluminum alloys such as duralumin (A7075) and copper alloys.
  • the numerical data of the concave portion to be formed is divided into numerical data for each of a plurality of concave portions having different heights up and down, which are defined by contour lines divided by a predetermined difference in height.
  • the concave portion W formed by the dotted line in FIG. 5 is horizontally divided at predetermined intervals as shown in FIG. 5 and FIG.
  • the concave portions W 1 to Wn are formed, and numerical values corresponding to the concave portions W 1 to Wn are generated.
  • the above-mentioned predetermined interval which is the thickness of each concave portion
  • the diameter of the tool to be used is extremely small, such as 0.2 mm, the diameter is about 3 m.
  • the diameter of the tool to be used is relatively large, such as l mm, the maximum diameter is about 50 mm. Is set.
  • the thickness of each concave portion is extremely large with respect to the dimension of the work 6 for clarity.
  • This step may be performed by an external computer for generating numerical data of the concave portion, an external or built-in computer for controlling the machining chamber, or another computer.
  • 1 2 is mounted on the unit mounting section 1 4, and the aluminum alloy (A7705) work 6 to be cut is placed on the processing table 4 and fixed.
  • a guide groove gl is formed along the contour line R1 using the ball-and-mill 24, which is the first slender rotating tool with cutting edges formed at the tip and side, along the contour line R1 that defines the highest concave portion W1. ( Figure 7).
  • the depth of the guide groove gl is smaller than the thickness of the concave portion W1.
  • the “contour line that defines the concave portion” means the concave portion and the concave portion located above and below the concave portion. And contour lines drawn at positions where the boundary surface intersects the contour surface of the concave portion. Therefore, the contour line R 1 that defines the concave portion W 1 at the highest position corresponds to the contour of the concave portion on the surface of the work 6, and the contour line R 2 that defines the second concave portion W 2 is the highest.
  • a boundary line between the concave portion W1 at the position and the second concave portion W2 is a contour line drawn at a position crossing the contour surface of the concave portion.
  • the cutting portion 24 c of the ball end mill 24 is moved by moving the cutting portion 24 c of the ball end mill 24 along the guide groove g 1 while rotating it at, for example, more than 50,000 rotations. Then, a vertical contour groove G1 having a depth equal to the thickness of the highest concave portion W1 is cut (FIGS. 7 and 8).
  • the formation of the guide groove gl and the contour groove G1 is based on the numerical data of the highest concave portion W1, and the inside of the contour line R1 where the cutting portion 24c of the ball end mill 24 defines the highest concave portion W1 This is performed by relatively moving the worktable 4 on which the work 6 is placed and the spindle unit 12 so that the workpiece moves along the contour line R1. Therefore, the formed contour groove G1 is inscribed in the contour line; R1.
  • the spindle unit 12 mounted on the spindle unit mounting section 14 is attached to a ball end mill having a cutting section 240 c larger than the ball end mill 24 used for cutting the groove.
  • Replace the spindle unit 20 with a new one.
  • the area surrounded by the contour groove G1 is cut using a thick ball end mill to make the highest recess W1 into a shape with a flat bottom. Formed on the surface of work 6 (Fig. 9).
  • the cutting portion 240 c of the ball-end mill moves in the region surrounded by the contour groove G1 and moves in the region surrounded by the contour groove G1.
  • FIG. 10 An uppermost concave portion W1 having a flat bottom is formed (FIG. 10).
  • the spindle unit 12 mounted on the spindle unit mounting portion 14 is transferred to the ball end mill 24 (first rotary tool) used for cutting the guide groove gl and the contour groove G1.
  • the cutting portion 24c of the ball end mill 24 is rotated at, for example, 500,000 revolutions or more per minute, so that the cutting portion 24c is formed on the bottom surface of the uppermost concave portion W1, which is the concave portion formed in the previous process.
  • a guide groove g 2 is formed along the contour line (that is, inscribed in the contour line) inside the contour line that defines the second concave portion W 2 at the height position next to the uppermost concave portion W 1. ( Figure 11).
  • the cutting portion 24c of the ball end mill 24 is moved along the guide groove g2 while rotating the cutting portion 24c of the ball end mill 24 at 500 or more revolutions per minute.
  • a vertical profile groove G2 having a depth equal to the thickness of the concave portion W2 is cut.
  • the formation of the guide groove (g 2) and the contour groove (G 2) is based on the numerical data of the second concave portion W 2, and the cutting portion 24 c of the ball end mill 24 is formed by the second concave portion W 2 Is carried out by moving the worktable 4 on which the work 6 is placed and the spindle unit 12 relatively so as to move along the contour line which defines the spindle unit again.
  • a guide groove g and a contour groove G are formed by cutting the narrow cutting portion 24c for each concave portion W, and then the metal material in the region surrounded by the contour groove G is removed by the thick cutting portion 240C. This process is repeated until the lowermost concave portion Wn is cut and formed to complete the concave portion W (FIG. 13).
  • the inner surface of the recess W formed in this manner is microscopically configured by a minute step-like shape whose height is the thickness of the recess, but the thickness of the recess is reduced to the dimension of the recess.
  • the inner surface becomes a substantially smooth curved surface. Therefore, the height (thickness) of the concave portion is changed according to the accuracy of the inner surface required for the concave portion.
  • the concave portion W since all the contours of the concave portion W are cut by the cut portion 24c having a small diameter, the concave portion W requires fine processing like a thin cut portion K shown in FIG. 8 and the like. Even if there is a part, it is possible to machine such a part requiring fine machining with high accuracy without changing tools.
  • a metal material for a mold (work 6) is used to form, for example, a convex portion forming a cavity of a mold for manufacturing a part of a mobile phone.
  • the formation of the projections by the cutting method according to the second embodiment of the present invention will be described.
  • the concave portion W which is a space, surrounds the convex portion P.
  • the object to be formed is a convex portion, but the convex portion to be formed: a space around P ( (Recess) Since the metal material located at W is gradually removed by cutting with a rotary tool, the guide groove g and the contour groove G are formed so as to circumscribe the contour line R, and Except that the outer metal material is removed, it basically has the same configuration as the concave portion formation of the first embodiment.
  • the numerical data of the portion (recess) to be removed from the data of the convex portion to be formed which is generated based on the design digital data generated by the three-dimensional CAD, is calculated.
  • the numerical data is divided into numerical data for each of a plurality of concave portions having different height positions in the vertical direction, which are defined by contour lines divided by a predetermined height difference.
  • a spindle unit 12 to which a ball mill 24 having a thin mill, in this embodiment, a diameter D of 0.4 mm and an effective length L of 10 mm is mounted is mounted on the unit mounting portion 14, and Place and fix work 6 to be machined on 4.
  • a guide groove gl is formed along the contour line that partitions the highest concave portion W1 .
  • the cutting part 24 c of the ball end mill 24 is moved by moving the cutting part 24 c of the ball end mill 24 along the guide groove g 1 while rotating at least 500 ° rotation or more.
  • the formation of the guide groove g 1 and the contour groove G 1 is based on the numerical value of the highest concave portion W 1, and the cutting section 24 c of the ball end mill 24 defines the highest concave portion W 1 This is performed by relatively moving the worktable 4 on which the work 6 is placed and the spindle unit 12 so as to move along the contour line outside the work. Therefore, the formed contour groove G1 circumscribes the contour line R1.
  • the spindle unit 12 mounted on the spindle unit mounting portion 14 is attached to a ball end mill having a cutting portion 240 c larger than the ball end mill 24 used for cutting the groove.
  • the highest concave portion W1 is formed on the surface of the work 6 in a shape having a flat bottom (FIG. 16).
  • the cutting part 240c of the ball-end mill moves in the area outside the contour groove G1 and moves in the area surrounded by the contour groove G1. This is performed by relatively moving the worktable 4 on which the work 6 is placed and the spindle unit 12 so as to perform cutting and removal.
  • a guide groove g and a contour groove G are cut and formed in each of the concave portions W by a thin cut portion 24c, and thereafter, a thick cut portion 240 is formed.
  • the step of removing the metal material in the region outside the contour groove G is repeated until the lowermost concave portion Wn is formed by cutting and the concave portion W is completed.
  • the outer surface of the convex portion P formed in this manner has a microscopic shape formed by minute steps whose height is equal to the thickness of the concave portion. By setting the dimensions very small for this dimension, this surface will be a substantially smooth curved surface. Therefore, the height (thickness) of the concave portion is changed according to the required surface accuracy of the convex portion.
  • the concave portion W or the convex portion: P is constituted by the wall of the contour groove cut by the small-diameter cutting portion, the concave portion W For example, even when it is used as a mold cavity, finishing is not required.
  • the removal of the metal material in the area surrounded by the contour groove (first embodiment) or the area outside the contour groove (second embodiment) is performed by a thick rotary tool having a large cutting amount. This removal can be completed in a short time, Alternatively, the time required for forming the projections is reduced.
  • the present invention is not limited to the embodiments described above.
  • all the concave portions have the same thickness.
  • the thickness of each concave portion (the difference in the predetermined height) is set according to the inclination of the inner surface of the concave portion (or the surface of the convex portion) formed by the concave portion. For example, the thickness may be increased in a portion where the inclination is large, and the thickness may be decreased in a portion where the inclination is small.
  • the machining center 1 in which the spindle unit can be automatically replaced is used.
  • the present invention can be implemented in a cutting machine in which the spindle unit cannot be replaced automatically or cannot be replaced. It is. In such a cutting machine, the operator manually replaces the entire spindle unit or the cutting tool (mill) in order to perform cutting with a mill having cutting sections of different diameters.
  • a ball end mill is used as a cutting tool, but other types of mills such as a flat end mill (FIG. 3), or a groove is formed by using another rotary tool, or The portion surrounded by the groove or the outer portion of the groove may be removed.
  • the guide groove and the contour groove are formed by rotating the cutting tool at 500 rpm or more, but the present invention is not limited to this rotation speed. However, for example, the number of revolutions may be more than or equal to 30000 revolutions per minute or less.
  • the above embodiment is a cutting process for forming a concave portion in a metal material, but the present invention cuts another type of material. ] Applicable to processing.
  • the guide groove and the contour groove are formed by the same mill in all the concave portions, but the mill to be used may be changed depending on the concave portion.
  • the above-mentioned predetermined interval which is the thickness of each concave portion, may be set to be substantially the same as the cutting depth (depth) that the cutting tool to be used can cut at one time, or set to a value larger than this. You may. If it is set to a value larger than the depth of cut (depth)
  • the cutting tool is moved along the cutting path a plurality of times while changing the position in the vertical (Z) direction to cut the guide groove or the contour groove, and In this case, cutting is performed in a region surrounded by or outside the contour groove.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Numerical Control (AREA)

Abstract

L'invention concerne un procédé de fraisage permettant de former un évidemment (W), avec une grande précision et dans un laps de temps très court, sous forme de surface incurvée, dans un matériau. Ce procédé consiste à trier les données numériques sur l'évidement formé et à former une pluralité de sections dans l'évidement selon une technique consistant à diviser l'évidement à l'aide de lignes de contour. Ce procédé consiste également à tailler des rainures de contour à l'aide d'un premier outil rotatif, à tailler les zones entourées par les rainures de contour formées dans l'étape précédente à l'aide d'un second outil rotatif ayant un diamètre supérieur à celui du premier outil, à tailler les rainures de contour dans les surfaces inférieures des parties en évidement formées dans l'étape précédente à l'aide du premier outil rotatif, à tailler les zones entourées par les rainures de contour formées dans l'étape précédente à l'aide du second outil rotatif et à répéter toutes ces étapes jusqu'à ce que l'évidement soit formé dans ledit matériau.
PCT/JP2002/001552 2001-02-23 2002-02-21 Procede de fraisage utilisant un outil rotatif WO2002066189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-47909 2001-02-23
JP2001047909A JP2002254232A (ja) 2001-02-23 2001-02-23 回転工具による切削加工方法

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Publication Number Publication Date
WO2002066189A1 true WO2002066189A1 (fr) 2002-08-29

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
FR3057480A1 (fr) * 2016-10-19 2018-04-20 Airbus Operations Procede d'usinage d'une alveole d'un panneau raidi

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Publication number Priority date Publication date Assignee Title
JP2005096399A (ja) * 2003-09-02 2005-04-14 Tokyo Denki Univ ボールエンドミル加工方法及びスクエアエンドミル加工方法
JP2009233815A (ja) * 2008-03-28 2009-10-15 Ihi Corp 台座の補強構造及び台座の補強方法
DE102012016676B4 (de) * 2012-08-23 2016-02-11 ModuleWorks GmbH Verfahren zur Schruppbearbeitung eines Werkstücks mit einer Mehrachs-Fräsmaschine
CN104014856B (zh) * 2014-05-16 2016-07-06 苏州创丰精密五金有限公司 一种用于方形产品中方形槽的加工装置
GB201616955D0 (en) * 2016-10-06 2016-11-23 University Of Newcastle Upon Tyne Micro-milling

Citations (2)

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Publication number Priority date Publication date Assignee Title
JPH1190775A (ja) * 1997-09-12 1999-04-06 Makino Milling Mach Co Ltd 切削加工方法及び装置
US5919012A (en) * 1995-09-28 1999-07-06 The Institute Of Physical And Chemical Research (Riken) Method of high speed cutting mold and ultra-high speed milling machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5919012A (en) * 1995-09-28 1999-07-06 The Institute Of Physical And Chemical Research (Riken) Method of high speed cutting mold and ultra-high speed milling machine
JPH1190775A (ja) * 1997-09-12 1999-04-06 Makino Milling Mach Co Ltd 切削加工方法及び装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3057480A1 (fr) * 2016-10-19 2018-04-20 Airbus Operations Procede d'usinage d'une alveole d'un panneau raidi
EP3311944A1 (fr) * 2016-10-19 2018-04-25 Airbus Operations S.A.S. Procede d'usinage d'une alveole d'un panneau raidi

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