WO2011145494A1 - Outil de coupe - Google Patents

Outil de coupe Download PDF

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Publication number
WO2011145494A1
WO2011145494A1 PCT/JP2011/060830 JP2011060830W WO2011145494A1 WO 2011145494 A1 WO2011145494 A1 WO 2011145494A1 JP 2011060830 W JP2011060830 W JP 2011060830W WO 2011145494 A1 WO2011145494 A1 WO 2011145494A1
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WO
WIPO (PCT)
Prior art keywords
cutting
mold
blade
cutting tool
cutting blade
Prior art date
Application number
PCT/JP2011/060830
Other languages
English (en)
Japanese (ja)
Inventor
信 高木
Original Assignee
コニカミノルタオプト株式会社
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 コニカミノルタオプト株式会社 filed Critical コニカミノルタオプト株式会社
Priority to JP2012515848A priority Critical patent/JPWO2011145494A1/ja
Priority to CN2011800237524A priority patent/CN102947034A/zh
Publication of WO2011145494A1 publication Critical patent/WO2011145494A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • 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
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/04—Angles
    • B23C2210/0407—Cutting angles

Definitions

  • the present invention relates to a cutting tool, and more particularly to a cutting tool suitable for cutting a mold.
  • a concave or convex portion corresponding to the lens shape is formed by a cutting tool, and an end mill or the like is used as the cutting tool.
  • the cutting tool is used not only for processing concave and convex portions but also for forming smooth surfaces in other parts.
  • Patent Document 2 describes a machining method using an end mill tool (4), and attempts to realize groove machining with excellent plane accuracy by adjusting the rotation axis of the end mill tool.
  • a main object of the present invention is to provide a cutting tool capable of forming a smooth surface excellent in specularity while suppressing an increase in tool radius and machining time.
  • An angle ⁇ formed between a portion corresponding to the bottom blade of the cutting blade and a surface having the rotation axis as a normal line satisfies the condition of formula (1). . -0.9 ° ⁇ ⁇ ⁇ + 0.9 ° (1)
  • the portion corresponding to the bottom blade of the cutting blade is shaped so that the angle ⁇ formed between the surface having the rotation axis as a normal line satisfies the condition of the expression (1).
  • a smooth surface excellent in specularity can be formed while suppressing an increase in processing time.
  • FIG. 3A It is a perspective view which shows schematic structure of a concave mold. It is sectional drawing which follows the II line
  • FIG. 3A It is a perspective view which shows schematic structure of a cutting device. It is the elements on larger scale of the cutting device of FIG. 3A. It is a perspective view which shows the modification of the cutting device of FIG. 3A. It is the elements on larger scale of the cutting device of FIG. 3C.
  • FIG. 6A It is a side view of the cutting blade of FIG. 6A. It is the schematic which shows the manufacturing method of a metal mold
  • FIG. 7B is a diagram for explaining a step subsequent to FIG. 7B. It is drawing for demonstrating the process of following FIG. 7C.
  • 7D is a diagram for explaining a step subsequent to FIG. 7D. It is drawing for demonstrating the process of following FIG. 7E. It is drawing for demonstrating the mode of a finishing process roughly. It is a top view for demonstrating schematically the aspect of an alignment mark.
  • FIG. 11B is a diagram for explaining a step subsequent to FIG. 11B.
  • the mold 100 has a substantially rectangular parallelepiped shape, and a plurality of concave portions 102 (cavities) are formed in an array on the surface.
  • the mold 100 is an example of a mold for an array lens, and is particularly suitable for molding a resin lens portion of a wafer lens, or can be used for manufacturing the resin transfer mold.
  • the flat portion 104, the inclined portion 106, the flat portion 108, the inclined portion 110, and the flat portion 112 are formed around the concave portion 102. These parts are formed concentrically around the recess 102 in order.
  • the optical axis (the optical axis of the optical system molded from the mold 100) is orthogonal to the center of the recess 102.
  • the shape of the mold 100 is not limited to a substantially rectangular parallelepiped, but may be a substantially cylindrical shape or a divided circle shape.
  • the cutting device 120 ⁇ / b> A has a surface plate 122.
  • a stage 124 having an orthogonal axis and a turning axis is provided.
  • the stage 124 can move along the X-axis direction and the Z-axis direction, and can rotate along the B-axis direction.
  • a spindle 126 is installed on the stage 124.
  • the surface plate 122 is provided with a fixture 128 for fixing an object to be cut (work material).
  • the spindle 126 and the fixture 128 are disposed to face each other.
  • the fixing tool 128 can move in the Y-axis direction, and the spindle 126 and the object to be cut can move relatively.
  • the spindle 126 has a built-in spindle motor. As shown in FIG. 3B, a ball end mill 132 is installed on the spindle 130 of the spindle motor. The ball end mill 132 is an example of a cutting tool. The spindle 126 provided with the ball end mill 132 is preferably a spindle having an air bearing in order to process the optical surface with high accuracy.
  • the power for rotating the spindle 126 includes a spindle motor system that incorporates a spindle motor and an air turbine system that supplies high-pressure air. As the power, it is desirable to adopt a spindle motor system for high rigidity.
  • the cutting device 120B of FIG. 3C may be used instead of the cutting device 120A of FIG. 3A.
  • the spindle 126 (ball end mill 132) can also rotate in the A-axis direction and the C-axis direction.
  • the rotation axes A, B, and C are orthogonal to each other.
  • Other configurations of the cutting device 120B are the same as those of the cutting device 120A (see FIG. 3D).
  • the ball end mill is configured so that the normal to the edge contour at an arbitrary point of the tip edge of the ball end mill 132 (such as a cutting edge 134 described later) and the normal to the processing surface are always parallel.
  • the posture of 132 can be controlled. As a result, machining can be performed at one point of the tool edge, and the influence of the tool edge contour error on the machining shape can be reduced.
  • a cutting blade 134 is brazed and fixed to the tip of the ball end mill 132.
  • the cutting blade 134 shown in FIGS. 4A and 4B is used for processing the concave portion 102 (optical transfer surface) having a shape corresponding to the lens portion.
  • the cutting blade 134 is a diamond tip made of single crystal diamond.
  • the cutting blade 134 has an arc portion 134a and a straight portion 134b.
  • the cutting blade 134 has straight portions 134c, 134d, and 134e as shown in FIG. 4B.
  • the arc portion 134a and the straight portions 134b to 134e correspond to ridge lines where the planes constituting the cutting blade 134 intersect.
  • the cutting blade 134 rotates while drawing a hemispherical locus in conjunction with the rotation (see the two-dot chain line in FIGS. 4A and 4B).
  • the contact points of the arc portion 134a and the straight portions 134b, 134c, and 134d are the rotation center portion 134f of the spindle 126, and the rotation center portion 134f does not substantially rotate.
  • the cutting blade 134 is disposed on the rotation shaft 250 (rotation center axis) of the ball end mill 132.
  • the rotation center portion 134 f is disposed on the rotation shaft 250.
  • FIG. 5 is an enlarged view of the cutting blade 136 when viewed from a direction perpendicular to the rake face of the cutting blade 136.
  • the shape of the cutting blade 136 of FIG. 5 when viewed from the side is the same as that shown in FIG. 4B.
  • the cutting blade 136 has straight portions 136a and 136b, an arc portion 136c, and straight portions 136d and 136e.
  • the straight portion 136d is bent from the straight portion 136e, and the rotation shaft 250 is arranged at a position intersecting with the straight portion 136e.
  • the straight portion 136d is a portion corresponding to a so-called bottom blade, and the flat portions 104, 108, 112 are processed by this portion.
  • the vicinity of the arc portion 136c that contacts the workpiece surface of the workpiece is the main machining site.
  • a straight portion 136d which is a portion corresponding to the bottom blade, forms a certain angle ⁇ with a surface having the rotation axis 250 as a normal line.
  • the angle ⁇ satisfies the condition of the expression (1), assuming that the angle parallel to the surface having the rotation axis 250 as a normal line is 0 °. -0.9 ° ⁇ ⁇ ⁇ + 0.9 ° (1)
  • the purpose of this is that the roughness Ry of the surface cut by the cutting blade 136 is 50 nm or less, and high-accuracy machining is practically stably performed.
  • the roughness Ry ( ⁇ m) is expressed by the following formula (2) by the cutting speed F (mm / min (min)) and the spindle rotation speed S (rpm), Ry ⁇ 1000 ⁇ (F / S) ⁇
  • ⁇ ⁇ 0.9548 obtained from a feed speed F> 15 mm / min (minutes) and a spindle rotation speed S> 5000 (rpm) as conditions that can be set when actually performing high-precision machining stably. It is set as an appropriate range as a tool manufacturing aim.
  • the relationship between the cutting speed F and the spindle rotation speed S needs to satisfy a certain condition from the equation (2), and can be freely set within a range that satisfies the equation (3).
  • the angle ⁇ takes a negative value as shown in FIG. 5, as the linear portion 136 d corresponding to the bottom blade approaches the rotating shaft 250 from the arc portion 136 c, the object to be processed is covered. It means that it is inclined away from the processing surface.
  • the linear portion 136d which is a portion corresponding to the bottom blade, is inclined so as to approach the workpiece surface of the workpiece as it approaches the rotation shaft 250 from the arc portion 136c.
  • the angle ⁇ is preferably ⁇ 0.9 ° to ⁇ 0.1 °, more preferably ⁇ 0.5 ° to ⁇ 0.1 °, and ⁇ 0.3 ° to ⁇ 0.1 °. More preferably it is.
  • the relationship between the width W1 of the straight portion 136d and the width W2 of the rotation radius (the distance from the rotation shaft 250 to the end of the straight portion 136d) satisfies the condition of the expression (4).
  • the value of W2-W1 is preferably 500 ⁇ m to 1 ⁇ m, and more preferably 500 ⁇ m to 5 ⁇ m.
  • the cutting blade 136 by providing a blade (part) inclined outward from the rotary shaft 250 adjacent to a part corresponding to the bottom blade of the cutting blade 136, such as a straight part 136b bent from the straight part 136a. Further, it is possible to easily perform processing such as forming a recess different from the optical transfer surface around the optical transfer surface.
  • the life of the cutting blade 136 can be extended. Furthermore, according to the cutting blade 136, the contact position between the portion corresponding to the bottom blade of the cutting blade 136 and the surface to be processed of the workpiece is located outside the rotating shaft 250, and therefore the inertial force accompanying the rotation. Is advantageous for processing. Note that the cutting blade 136 may have a shape without the straight portion 136a.
  • the cutting blade 138 of FIGS. 6A and 6B may be used.
  • the cutting blade 138 When the cutting blade 138 is viewed in plan, the cutting blade 138 has a straight portion 138a, an arc portion 138b, and a straight portion 138c, as shown in FIG. 6A.
  • the rotation shaft 250 is arranged at a position intersecting with the straight line portion 138c.
  • the cutting blade 138 When the cutting blade 138 is viewed from the side, the cutting blade 138 has straight portions 138d, 138e, 138f, an arc portion 138g, and a straight portion 138h, as shown in FIG. 6B.
  • single crystal diamond is preferably used as a material of the cutting blades 134, 136, 138.
  • the mold 100 is generally manufactured through steps (a) to (g).
  • the contents shown in FIGS. 7A to 7F correspond to the process contents of the steps (a) to (f).
  • a cutting object 140 is prepared and blank processing is performed on a predetermined region.
  • the metal include ferrous materials such as chromium / molybdenum steel, stainless steel, and pre-hardened steel, and non-ferrous alloys such as iron alloys, copper alloys, aluminum alloys, and zinc alloys.
  • the metallic glass include PdCuSi and PdCuSiNi.
  • the object to be cut 140 may be one in which an optical transfer surface is coated with an amorphous alloy such as electroless or electrolytic nickel phosphorous plating.
  • B An electroless nickel phosphorous plating process is performed on a predetermined region of the cutting object 140 to form a plating layer 142.
  • C Using a general-purpose machining center, the surface of the cutting object 140 (plating layer 142) is roughly processed to form an original shape (uneven shape) such as the recess 102.
  • the surface of the cutting target 140 after rough machining is polished and smoothed.
  • E Finishing the recess 102 and the like using a diamond cutting blade.
  • the surface of the cutting object 140 is planarized to form a reference surface, and an alignment mark 144 is formed on the reference surface.
  • the reference plane is a plane that serves as a reference when adjusting the height position with another member.
  • the alignment mark 144 is used for alignment with other members, alignment between the molded product of the mold 100 and other members, and the like.
  • polishing for smoothing the surface is performed after the steps (e) and (f).
  • the cutting object 140 is washed to remove machining wastes, and a SiO 2 film is formed on the surface of the cutting object 140 to apply a release agent.
  • the SiO 2 film functions as a base when applying the release agent.
  • the formation of the SiO 2 film is performed by any of vapor deposition, CVD, and sputtering. In order to form a SiO 2 film with a uniform film thickness on the surface of the cutting object 140, it is desirable to perform a CVD process.
  • the mold release agent facilitates mold release from the mold 100.
  • the cutting device 120A is basically used.
  • the spindle motor of the spindle 126 is operated to rotate the ball end mill 132 at a high speed.
  • the movement of the stage 124 in the X-axis direction and the Z-axis direction and the movement of the fixture 128 in the Y-axis direction are cooperated to rotate the ball end mill 132 with respect to the workpiece 140. That is, the ball end mill 132 is swirled while rotating to finish the surface of the recess 102.
  • the ball end mill 132 is swirled in a spiral shape while being rotated while being held in a state parallel to the optical axis.
  • a part or the whole of the concave portion 102 and the flat portion 104 is processed by contact.
  • a region 150 is a central portion of the recess 102 and includes a region orthogonal to the optical axis.
  • a region 152 is a region adjacent to the region 150 around the recess 102.
  • the region 154 is a region that is part or all of the flat portion 104 and is adjacent to the region 152.
  • the cutting device 120B may be used. Even when the cutting device 120B is used, the spindle motor of the spindle 126 is operated and the ball end mill 132 is rotated at a high speed as shown in FIG. At the same time, the movement of the stage 124 in the X-axis direction and the Z-axis direction and the movement of the fixture 128 in the Y-axis direction are cooperated to rotate the ball end mill 132 with respect to the workpiece 140.
  • the ball end mill 132 is swirled so as to be always processed at one point of the tool cutting edge (cutting blades 134 and 136), and the concave portion 102 or the flat portion 104 is thereby rotated. , 108, 112 are finished.
  • the cutting devices 120A and 120B are used.
  • the cutting blade 134 is replaced with the cutting blade 136 of FIG. ) Process.
  • the above cutting blade 136 since it has a special shape, it is possible to form a smooth surface excellent in specularity while suppressing an increase in tool radius and processing time. That is, theoretically generated irregularities can be suppressed to 50 nm or less, and the flat portions 104, 108, 112 can be processed with high accuracy and high efficiency.
  • the mirror surface portion such as a lens or a mirror part formed from the concave mold 100 is made highly accurate, or dirt or resin (such as resin transferred from the concave mold 100) on the flat surfaces 104, 108, 112 is attached. Can be reduced.
  • a cross-shaped alignment mark 144 (groove) having a constant line width is formed on the flat surface portion 112.
  • the intersection of the center lines of the vertical line width and the horizontal line width is used for alignment.
  • the cutting blade 136 is replaced with the cutting blade 138 of FIGS. 6A and 6B, and the ball end mill 132 is rotated and moved linearly along the forward direction 146 (solid line portion) of FIG. 9B.
  • the ball end mill 132 is moved along the reverse direction 148 (dotted line portion) opposite to the forward direction 146 so as to follow the movement locus in the forward direction 146 while rotating without changing the rotation direction.
  • the movement along the forward direction 146 is a down cut, and the movement along the reverse direction 148 is an up cut.
  • burrs 162 minute irregularities
  • burrs 162 are formed on the processed surface 160 formed by the movement of the ball end mill 132 in the forward direction 146, as shown in FIG. 9C. Therefore, the burr 162 is removed by moving in the reverse direction 148 here.
  • the ball end mill 132 is moved with a space 164 between the tip of the cutting blade 138 and the machining surface 160 (with the cutting blade 138 slightly lifted).
  • the interval 164 is preferably about 20 nm.
  • the ball end mill 132 is moved in the forward direction 146 and then moved in the reverse direction 148 so as to follow the movement locus thereof, as shown in FIG. 10B.
  • the burr 162 can be sufficiently removed (suppressed to 20 nm or less corresponding to the interval 164), and the formation surface (processed surface) of the alignment mark 144 can be processed with high accuracy. As a result, it is possible to reduce the adhesion of the resin, which is a problem in the resin transfer process using the mold 100.
  • the mold 200 in a plan view has a larger diameter than the mold 100 (see FIG. 1) and has a wafer shape.
  • the mold 200 has a plurality of recesses 102, and the mold 200 has more recesses 102 than the mold 100.
  • a plane portion 104, a slope portion 106, a plane portion 108, a slope portion 110, and a plane portion 112 are concentrically formed between the recesses 102.
  • the mold 200 is processed by the cutting devices 120 ⁇ / b> A and 120 ⁇ / b> B in the same manner as the mold 100, but the processing range 210 is narrower than the planar area of the mold 200 and is about 1 ⁇ 4 of the mold 200.
  • the manufacturing method of the mold 200 is basically the same as the manufacturing method of the mold 100 and is different in the following points. Since the processing range 210 of the cutting devices 120A and 120B is about 1 ⁇ 4 of the mold 200, the mold 200 is divided into four regions 202, 204, 206, and 208 as shown in FIG. The processes of steps (c) to (f) of 7F are repeated four times and repeated for each of the areas 202, 204, 206, and 208.
  • the region 202 included in the processing range 210 and the peripheral recess 102 are processed, and one alignment mark 144 is formed in each region 202, 204, 206, 208.
  • the mold 200 is rotated by 1 ⁇ 4 with respect to the processing range 210, and the concave portion 102 of the region 204 included in the processing range 210 is processed.
  • the alignment mark 144 in the region 204 is aligned with the position of the alignment mark 144 in the region 202, and the mold 200 is positioned when switching from the first time to the second time.
  • the mold 200 is further rotated by 1 ⁇ 4 to process the concave portion 102 of the region 206 included in the processing range 210.
  • the alignment mark 144 in the region 206 is matched with the position of the alignment mark 144 in the region 202, and the mold 200 is positioned when switching from the second time to the third time.
  • the mold 200 is further rotated by 1 ⁇ 4 (the alignment mark 144 in the region 208 is aligned with the position of the alignment mark 144 in the region 202), and the processing range 210 is reached. What is necessary is just to process the recessed part 102 etc. of the area
  • the mold 200 is divided into four areas 202, 204, 206, and 208, and the mold 200 is processed while being aligned for each of the areas 202, 204, 206, and 208. Therefore, even if the processing range 210 of the cutting devices 120A and 120B is narrower than the area of the mold 200, the large-diameter size die 200 can be processed by the general-purpose cutting devices 120A and 120B. As a result, there is no need to introduce a large cutting device, and there is no need to consider introduction costs for the cutting device and securing the installation space.
  • the mold 200 is processed four times as described above, and the processing time is long, and there is a possibility that the processing accuracy may decrease due to the influence of changes in the environmental temperature. Uses a material with a low coefficient of thermal expansion.
  • a shift (position shift) of the alignment mark 144 occurs when switching between the regions 202, 204, 206, and 208, the shift amount is detected, and software control is performed by processing the recess 102 or the like based on the detection result. The error may be corrected by.
  • the machining area of the mold 200 is not limited to the four areas 202, 204, 206, and 208, and may be divided into the number of areas corresponding to the machining range 210. In this case, in addition to the alignment mark 144 for positioning used in the second and subsequent processes, the alignment mark 144 for molding may be formed from the first time to the last time.
  • a workpiece (cutting object) made of oxygen-free copper is machined using a cutting blade made of single-crystal diamond and having the shape shown in FIG. Went.
  • the angle ⁇ of the bottom edge of the cutting tool was (1) -1.2 °, (2) -0.9 °, (3) -0.5 °, (4) + 0.5 °.
  • the processing target was a plane in the range of 1 mm 2 .
  • the processing conditions were a spindle rotation speed of 8000 rpm, a feed rate of 20 mm / min, a line feed pitch of 30 ⁇ m, and a cutting depth of 5 ⁇ m. Using white kerosene mist as the cutting fluid, this was sprayed onto the workpiece for cutting. When the roughness after processing was confirmed by a white interferometer, the results of (1) 61.3 nm, (2) 50.4 nm, (3) 33.4 nm, and (4) 34.9 nm were obtained, respectively.
  • the cutting distance is extended for the workpiece (cutting object) having the thick electroless nickel plating layer. And processed. Specifically, the plane in the range of 1 mm 2 was continuously processed 200 times. The processing conditions for each round were a spindle rotation speed of 8000 rpm, a feed rate of 20 mm / min, a line feed pitch of 30 ⁇ m, and a cutting depth of 5 ⁇ m. Using white kerosene mist as the cutting fluid, this was sprayed onto the workpiece for cutting. The roughness of the machined surface was confirmed with a white interferometer every time a predetermined number of machining operations were performed.
  • the value was in the range of 60 to 68 nm regardless of the cutting distance. Regardless of the distance, the value is in the range of 30 to 37 nm. In the case of (4), the value is almost 40 nm until the cutting distance is 3500 mm, and when the cutting distance exceeds 3500 mm, the roughness increases and 50 to 60 nm. The result was a range value.
  • the present invention can be suitably used for cutting a mold.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention porte sur un outil de coupe. L'outil de coupe selon l'invention, qui taille une matrice métallique pendant sa rotation, possède un bord de coupe (136) disposée sur l'axe de rotation (250). L'angle (?) entre une région (136d) correspondant au bord terminal du bord de coupe (136) et un plan perpendiculaire à l'axe de rotation (350) satisfait la relation (1). (1) -0,9° = ? = +0,9°
PCT/JP2011/060830 2010-05-17 2011-05-11 Outil de coupe WO2011145494A1 (fr)

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Application Number Priority Date Filing Date Title
JP2012515848A JPWO2011145494A1 (ja) 2010-05-17 2011-05-11 切削工具
CN2011800237524A CN102947034A (zh) 2010-05-17 2011-05-11 切削工具

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Application Number Priority Date Filing Date Title
JP2010-112740 2010-05-17
JP2010112740 2010-05-17

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WO2011145494A1 true WO2011145494A1 (fr) 2011-11-24

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CN103433949A (zh) * 2013-08-31 2013-12-11 青岛开世密封工业有限公司 高压橡胶活塞专用端面切刀
JP2016203324A (ja) * 2015-04-24 2016-12-08 京セラ株式会社 切削工具及びこれを用いた切削加工物の製造方法
IT202000024883A1 (it) * 2020-10-21 2022-04-21 Rc Stampi Di Roberto Campanini Sistema di realizzazione per stampi per prodotti cosmetici colati, metodo e stampo
JP7523001B1 (ja) 2024-03-26 2024-07-26 マイクロ・ダイヤモンド株式会社 単結晶ダイヤモンドマイクロエンドミル

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CN105312642A (zh) * 2015-10-22 2016-02-10 苏州市华扬电子有限公司 一种手机电池板制作时基材成型的方法

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JPS6370815U (fr) * 1986-10-23 1988-05-12
JPH02250706A (ja) * 1989-03-17 1990-10-08 O S G Kk エンドミルおよびその製造方法
JPH059819U (ja) * 1991-03-26 1993-02-09 三菱マテリアル株式会社 スローアウエイチツプ
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433949A (zh) * 2013-08-31 2013-12-11 青岛开世密封工业有限公司 高压橡胶活塞专用端面切刀
JP2016203324A (ja) * 2015-04-24 2016-12-08 京セラ株式会社 切削工具及びこれを用いた切削加工物の製造方法
IT202000024883A1 (it) * 2020-10-21 2022-04-21 Rc Stampi Di Roberto Campanini Sistema di realizzazione per stampi per prodotti cosmetici colati, metodo e stampo
WO2022084914A1 (fr) * 2020-10-21 2022-04-28 Rc Stampi Srl Moule pour produits cosmétiques coulés, système de fabrication et procédé de fabrication desdits moules
JP7523001B1 (ja) 2024-03-26 2024-07-26 マイクロ・ダイヤモンド株式会社 単結晶ダイヤモンドマイクロエンドミル

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