KR20090062939A - Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby - Google Patents

Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby Download PDF

Info

Publication number
KR20090062939A
KR20090062939A KR1020070130427A KR20070130427A KR20090062939A KR 20090062939 A KR20090062939 A KR 20090062939A KR 1020070130427 A KR1020070130427 A KR 1020070130427A KR 20070130427 A KR20070130427 A KR 20070130427A KR 20090062939 A KR20090062939 A KR 20090062939A
Authority
KR
South Korea
Prior art keywords
axis
workpiece
curved surface
curved
cutter
Prior art date
Application number
KR1020070130427A
Other languages
Korean (ko)
Inventor
양경태
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020070130427A priority Critical patent/KR20090062939A/en
Publication of KR20090062939A publication Critical patent/KR20090062939A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

Abstract

The present invention includes rotating a cutter formed such that a cutting line is curved along a first axis in the first axis direction, and the cutting target surface of the workpiece is directed in a radial direction of a second axis parallel to the first axis. A curved surface processing method comprising the step of cutting the workpiece by rotating the workpiece in the second axis direction, and a surface processing apparatus used therein and a window for a portable terminal manufactured by the same, which is mounted on the portable terminal In processing the curved surface of the window is to provide a processing method that can efficiently process the curved surface formed in a plurality of directions.

Description

CURVING METHOD AND CURVING DEVICE USED FOR THE SAME, AND WINDOW FOR MOBILE TERMINAL MADE BY THE SAME

The present invention relates to a method for processing a curved surface formed in a plurality of to have a different direction, a curved surface processing apparatus used therein, and a window for a portable terminal manufactured by the same.

A portable terminal is a portable device that is portable and has one or more functions such as voice and video calling, information input and output, and data storage.

As the functions are diversified, for example, the mobile terminal has complex functions such as taking a picture or video, playing a music or video file, playing a game, and receiving a broadcast, and is realized in the form of a comprehensive multimedia player. It is becoming.

Many new attempts are being applied to these multimedia devices in terms of hardware or software to implement complex functions. For example, a user interface environment is provided for a user to search for or select a function easily and conveniently.

In addition, while the portable terminal is regarded as a personal portable product for expressing its individuality, various designs are required.

As described above, according to the demand for diversification of designs, many attempts have been made to apply various designs to cases forming parts of portable terminals and components mounted thereon.

The present invention is to disclose an efficient processing method for processing curved surfaces formed in a plurality of directions in processing the curved surface of the window mounted to the portable terminal.

Moreover, it is for providing the curved surface processing apparatus used for the said processing method, and the window for portable terminals manufactured by it.

According to an exemplary embodiment of the present invention, there is provided a curved surface processing method including rotating a cutter formed such that a cutting line is curved along a first axis in the first axial direction, and the cutting target surface of the workpiece And cutting the workpiece by rotating the workpiece in the second axis direction so as to face in a radial direction of a second axis parallel to one axis.

In an embodiment of the present invention, the cutter is rotated in the first axial direction and the outer peripheral surface is formed in a plurality of the main body and the outer peripheral surface of the main circumference forming the cutting line in the first axial direction to cut the workpiece May contain bytes.

As an embodiment of the present invention, the main body may be formed so that the radius is changed along the first axis so that the cutting line is curved, the cutting line may be formed to have a concave arc shape along the first axis. .

As an embodiment of the present invention, the workpiece is rotated by being fixed to the support rotatable in the second axis direction, the support may be formed in a cylindrical shape having the second axis as a central axis.

On the other hand, the present invention is rotatable in the first axis direction and the cutter is formed so that the cutting line is curved along the first axis, and the workpiece is rotated in a second axis direction parallel to the first axis so that the workpiece is cut and A curved preliminary factory value including a support for supporting the workpiece such that a surface to be cut is directed in the radial direction of the second axis.

In addition, the present invention is a window mounted on the display of the portable terminal, the step of rotating the cutter, the cutting line is curved along the first axis in the first axis direction, and the cutting target surface of the workpiece is the first axis Disclosed is a window for a mobile terminal operated by a curved processing method comprising the step of cutting the workpiece by rotating the workpiece in the second axis direction so as to face in a radial direction of the second axis parallel to the second axis.

The present invention rotates the cutter formed so that the cutting line is curved along the first axis in the first axis direction, and rotates the workpiece in the second axis direction so that the cutting target surface is in the radial direction of the second axis. By cutting the workpiece, it is possible to process the first and second curved surfaces formed in different directions as a single process.

Further, by processing the first and second curved surfaces in a single process, it is possible to improve the processing efficiency in mass production of the window for a portable terminal.

Hereinafter, a curved surface processing method according to the present invention, a curved surface processing apparatus used therein, and a window for a portable terminal manufactured by the same will be described in more detail with reference to the accompanying drawings.

1 is a perspective view of a portable terminal 100 according to the present invention viewed from the front.

1, the portable terminal 100 includes a terminal body 110 and a band 120 connected to both ends thereof.

The display 111 is disposed on the terminal body 110 to display visual information, and a window 112 made of a light-transmissive material is mounted on the front surface of the display 111. The window 112 may be formed of a synthetic resin or tempered glass of a transparent material.

The inside of the terminal body 110 may be equipped with a communication module to enable communication with a base station, a server device, or an external device in the communication network.

The band is intended to be worn on the user's wrist, arm, or the like, and may be formed of leather, rubber, or plastics. Inside the band 120, the terminal body 110, the base station, an external independent device such as an ear set. An antenna radiator may be provided to wirelessly connect the additional device.

The band 120 may include a fastener 151 to attach the terminal body 110 to a wrist or an arm. The fastener 121 may be implemented by a buckle, a snap-fit hook structure, or the like. 1 illustrates an example in which the fastener 151 is buckle-shaped.

Between the connection portion of the terminal body 110 to which the display 111 and the band 120 are connected is provided with an operation unit 113 formed to be moved in a plurality of directions about a central axis.

The operation unit 113 includes a wheel 114 that is rotatably installed about a rotation axis parallel to the width direction of the band 120. A pair of push keys 115 and 116 are provided at both ends of the wheel 114 to be pushable. Furthermore, the wheel 114 may be formed to be input by itself by pressing.

In addition, a speaker 117 for outputting sound may be disposed between the display 111 and the other one of the two connection parts connected to the terminal body 110.

FIG. 2 is a perspective view of a window 112 mounted to the portable terminal 100 shown in FIG. 1, and FIGS. 3A and 3B are cross-sectional views of the window 120 along the X-X line and the Y-Y line of FIG. 2, respectively.

As shown in FIG. 2, the window 112 has curved surfaces 130 and 140 formed in different directions to implement a more three-dimensional design.

In other words, a first curved surface 130 is formed along the X-X line (see FIG. 3A) and a second curved surface 140 is formed along the Y-Y line (see FIG. 3B) in the window 112. The first and second curved surfaces 130 and 140 may be formed in a curved shape in which cross sections thereof have curvature radii of first and second reference values Rx and Ry, respectively.

Here, the windows 112 are continuously formed along curved lines parallel to the X-X line and the Y-Y line, and the first and second curved surfaces 130 and 140 use some of them as an example to explain them.

As described above, in order to process the window 112 having the curved surfaces 130 and 140 respectively formed in different directions, the first and second curved surfaces 130 and 140 may be manually formed, or the first and second curved surfaces may be used. Since the second curved surfaces 130 and 140 must be formed sequentially, there is an inefficient aspect in terms of mass production.

Hereinafter, a curved surface processing method capable of simultaneously processing the first and second curved surfaces 130, 140 as a single process in order to more efficiently process the window 112 having the curved surfaces (130,140) formed in different directions and The curved surface factory starts.

4 is a perspective view of a curved surface processing apparatus 200 according to an embodiment of the present invention. In the following drawings, the curved surfaces formed on the processing apparatus 200 are exaggerated for clarity.

Curved processing apparatus 200 according to the present invention is a cutter 210 that can be rotated in the first axis (I) direction, and a second axis (II) parallel to the first axis (I) can be rotated The support 220 is included.

The cutter 210 may include a main body 211 configured to form an outer appearance of the cutter 210 and rotated in the direction of the first axis I, and a bite 212 arranged in the main body 211.

The main body 211 may have a cylindrical shape formed to change its radius along the first axis I, and an outer circumferential surface of the main body 211 may have a cutting line 213 in the first axis I direction. To form.

The cutting line 213 is formed to form a curve along the first axis (I), and may be formed to have a concave arc shape along the first axis (I) as in the present embodiment. The cutting line I may be formed to have a radius of curvature of the first reference value Rx.

The bite 212 is for cutting the workpiece 230 according to the rotation of the workpiece 230 (for example, a synthetic resin of a translucent material), and may be arranged in a plurality on the outer circumferential surface of the body 211. A blade is formed at the end of the bite 212, and carbon steel, high speed steel, cemented carbide, ceramic, diamond, or the like may be used as the material of the blade.

The support 220 is used to transfer the workpiece 230 to the cutter 210 to cut the workpiece 230, and is configured to support the workpiece 230 and to be rotated at the same time.

The support 220 may be formed in a cylindrical shape having a second axis (II) as a central axis and having a predetermined radius, and the workpiece 230 may be mounted on the circumferential surface thereof. Here, the support 220 is disposed such that the gap between the cutter 210 and the support 220 is narrower than the thickness of the workpiece 230.

A mounting member 221 may be disposed on an outer circumferential surface of the support 220 so that one surface thereof corresponds to the shape of the workpiece in order to seat and fix the workpiece 230. In the present embodiment, a single workpiece 230 will be described based on the case in which the support 220 is disposed. However, the support 220 includes a plurality of workpieces 230 arranged in sequence along the outer circumferential surface of the support 220. In this case, a plurality of seating members 221 may be sequentially disposed on the outer circumferential surface of the support 220.

On the other hand, the support 220 may be any configuration other than the above configuration as long as the workpiece 220 can be rotated along a predetermined radius about the second axis (II). For example, one end of the support 220 may be rotatably connected to the second shaft (II), and the other end may have a configuration such as a rorating arm to which the workpiece 230 is fixed.

Hereinafter, the curved processing method for processing the curved surface of the window 112 using the curved surface processing apparatus 200 described above will be described.

5 and 6 are front and plan views of the curved surface processing apparatus 200 shown in FIG. 4, and FIG. 7 is a perspective view of a window 112 in which a cutting process is completed by the curved surface processing apparatus 200. 5 and 6, illustration of the bite 212 formed in the cutter 210 is omitted.

The curved surface processing method according to an embodiment of the present invention is to rotate the cutter 210 in the first axis (I) direction, and to rotate the workpiece 230 in the second axis (II) direction to the workpiece 230 Cutting a).

First, the cutter 210 formed such that the cutting line 213 is curved along the first axis I is rotated counterclockwise about the first axis I. Then, the workpiece is fixed to the outer circumferential surface of the support 220. Here, the workpiece 230 may be fixed to the seating member 221 disposed on the support 220.

Next, the workpiece 230 is cut by rotating the support 220 in a counterclockwise direction about the second axis II so that the workpiece 230 passes over the cutter 210. As the workpiece 230 is cut by the cutter 210, first and second curved surfaces 231 and 232 are formed in the workpiece 230 as shown in FIG. 7.

In the above, the case where the cutter 210 and the support 220 are rotated in the counterclockwise direction has been described as an example. However, the cutter 210 and the support 220 may be rotated in the clockwise direction, respectively.

5 and 7, the first curved surface 231 is formed by the cutting line 213 of the cutter 210, and the shape of the first curved surface 231 is the cutting line 213 of the cutter 210. It depends on the shape of. When the cutting line 213 of the cutter 210 has the radius of curvature of the first reference value Rx, the first curved surface 231 of the workpiece 230 also has the same radius of curvature of the first reference value Rx. To have.

6 and 7, the second curved surface 232 is formed by the workpiece 230 being rotated about the second axis II, and the radius of curvature of the second curved surface 232 is the workpiece. Is determined according to the radius of rotation of 230. For example, when the distance between the second axis II and the cutter 210 has a distance of the second reference value Ry, the second curved surface 232 also has the same radius of curvature of the second reference value Ry. To have.

As described above, the cutter 210 formed such that the cutting line 213 is curved along the first axis I is rotated in the direction of the first axis I, and the cutting target surface of the workpiece 230 is the second. The workpiece 230 is rotated in the direction of the second axis II so as to face the radial direction of the axis II to cut the workpiece 230 so that the workpiece 230 is perpendicular to the workpiece 230 in a single process. The first and second curved surfaces 231 and 232 may be formed together.

In the above description, the curved surface processing method of the window applied to the portable terminal has been described as an example. However, the curved surface processing method and the curved surface factory may be similarly applied to the curved surface of various components that may be mounted on the portable terminal. In addition, the curved surface processing method and the curved surface processing apparatus disclosed in the present invention may be applied to the processing of curved surfaces of various machined parts applied to not only portable terminals but also mechanical devices and electronic devices.

In the above described with reference to the accompanying drawings, the curved surface processing method according to the present invention and the curved surface processing apparatus used therein and the window for a portable terminal manufactured by the present invention, the present invention is limited by the embodiments and drawings disclosed herein Various modifications may be made by those skilled in the art without departing from the spirit of the present invention.

1 is a front perspective view of a mobile terminal according to an embodiment of the present invention;

FIG. 2 is a perspective view of a window mounted to the portable terminal shown in FIG. 1. FIG.

3A and 3B are cross-sectional views of windows along the X-X and Y-Y lines of FIG. 2, respectively.

Figure 4 is a perspective view of a curved surface processing apparatus according to an embodiment of the present invention.

5 is a front view of the curved surface processing apparatus shown in FIG.

And 6 is a plan view of the curved surface processing apparatus shown in FIG.

7 is a perspective view of a window in which the cutting process is completed by the curved surface processing apparatus.

Claims (10)

Rotating the cutter, wherein the cutter is formed such that a cutting line is curved along a first axis, in the first axis direction; And And cutting the workpiece by rotating the workpiece in the direction of the second axis such that the workpiece to be cut is directed in a radial direction of a second axis parallel to the first axis. The method of claim 1, wherein the cutter, A main body rotated in the first axial direction and having an outer circumferential surface forming the cutting line in the first axial direction; And And a bite arranged on the outer circumferential surface of the main body to cut the workpiece. The method of claim 2, The main body is a curved processing method characterized in that the cutting line is formed so that the radius is changed along the first axis to form a curve. The method of claim 3, And the cutting line is formed to have a concave arc shape along the first axis. The method of claim 3, And the cutting line has a radius of curvature of a first reference value so that a first curved surface is formed on a cutting surface of the workpiece. The method of claim 5, And the workpiece is rotated at a rotation radius of a second reference value with respect to the first axis such that a second curved surface in a direction perpendicular to the first curved surface is formed on the cutting surface. The method of claim 1, The workpiece is rotated by being fixed to the support rotatable in the second axis direction, The support is curved surface processing method characterized in that formed in the form of a cylinder having the second axis as a central axis. The method of claim 1, The workpiece is a curved surface processing method, characterized in that the synthetic resin of the light-transmissive material. A cutter rotatable in a first axial direction, the cutter having a cutting line curved along a first axis; And A curved surface processing apparatus including a support that rotates in a second axis direction parallel to the first axis such that the workpiece is cut, and supports the workpiece such that the workpiece to be cut faces in the radial direction of the second axis . In the window mounted to the display of the mobile terminal, The window is, Rotating a cutter whose cutting line is curved along a first axis in the first axis direction; And By cutting the workpiece by rotating the workpiece in the direction of the second axis with the workpiece to be cut toward the radial direction of the second axis parallel to the first axis; A mobile terminal window, characterized in that the operation.
KR1020070130427A 2007-12-13 2007-12-13 Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby KR20090062939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070130427A KR20090062939A (en) 2007-12-13 2007-12-13 Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070130427A KR20090062939A (en) 2007-12-13 2007-12-13 Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby

Publications (1)

Publication Number Publication Date
KR20090062939A true KR20090062939A (en) 2009-06-17

Family

ID=40992108

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070130427A KR20090062939A (en) 2007-12-13 2007-12-13 Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby

Country Status (1)

Country Link
KR (1) KR20090062939A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130033605A (en) * 2011-09-27 2013-04-04 삼성전자주식회사 Display window member for portable terminal and fabrication method thereof
US10541384B2 (en) 2016-12-06 2020-01-21 Samsung Display Co., Ltd. Display apparatus having arbitrary shape

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130033605A (en) * 2011-09-27 2013-04-04 삼성전자주식회사 Display window member for portable terminal and fabrication method thereof
US10541384B2 (en) 2016-12-06 2020-01-21 Samsung Display Co., Ltd. Display apparatus having arbitrary shape
US11108024B2 (en) 2016-12-06 2021-08-31 Samsung Display Co., Ltd. Display apparatus having arbitrary shape

Similar Documents

Publication Publication Date Title
TW200512569A (en) Computer system with rotatable display
CN104582366A (en) Terminal shell, applied terminal of terminal shell and terminal shell manufacturing method
CN103941426A (en) Wireless interactive headset
US7873395B2 (en) Headset
CN109571871B (en) Compression mold, housing of electronic device, and method for manufacturing housing
CN102256454A (en) Hand-held mobile equipment shell and forming method thereof
US20090097690A1 (en) Adjustable earphone
CN101103300A (en) Wireless interactive headset
KR20090062939A (en) Method for rounding curved plane, rounding device used therein, and window for portable terminal manufactured thereby
CN110834408B (en) Shell, manufacturing method thereof and electronic equipment
CN108882583B (en) Electronic device, shell assembly, middle frame assembly and positioning method of rear cover
JP3973555B2 (en) headset
JP2004517559A (en) Case
CN112346297A (en) Electronic equipment 3D rear cover, manufacturing method of electronic equipment 3D rear cover and electronic equipment
CN103096208B (en) Stereo microphone device
CN201868637U (en) Earphone adapter and electronic product with same
CN106375893B (en) Ear muff type earphone
CN205539985U (en) Take children's wrist -watch of CDMA2000 EVDO mobile communication
CN210075298U (en) Terminal housing and mobile terminal
CN209964104U (en) Cover plate decorative ring, middle frame assembly and electronic device
CN108897080B (en) Electronic device and method for processing flash lamp lens of electronic device
CN105142061A (en) Headphone
JP2004517499A (en) Portable communication device case
CN107627080B (en) Processing method of casing, shell and terminal
WO2019148682A1 (en) Protective housing for mobile phone

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination