CN105935883B - A kind of fine grinding device of metallurgy part - Google Patents
A kind of fine grinding device of metallurgy part Download PDFInfo
- Publication number
- CN105935883B CN105935883B CN201610422675.4A CN201610422675A CN105935883B CN 105935883 B CN105935883 B CN 105935883B CN 201610422675 A CN201610422675 A CN 201610422675A CN 105935883 B CN105935883 B CN 105935883B
- Authority
- CN
- China
- Prior art keywords
- spindle motor
- oil cylinder
- main support
- turntable
- motor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of fine grinding devices of metallurgical part, including device pedestal, described device pedestal both ends are coated with one group of foundation bolt, main support and slide are provided on described device pedestal, the main support and the slide are cooperated by lead screw, side is provided with spindle motor on the main support, spindle motor and oil cylinder, the main support other side is provided with automatically controlled, chuck bracket is provided on the slide, scroll chuck is provided on the chuck bracket, the spindle motor and assembly head cooperate, the oil cylinder is connect by spring with rotary tray motor, the rotary tray motor and turntable cooperate, one group of tool apron is provided on the turntable.The fine grinding device of metallurgy part can be equipped with a variety of processing cutter heads, have both the function of polishing and drilling, and a variety of cutter head transformation are convenient, it can quickly be adjusted, be improved work efficiency according to truth condition, while meet the various demands of metallurgical part processing, a tractor serves several purposes is worthy to be popularized.
Description
Technical field
The present invention relates to metallurgical ancillary equipment fields, the specially a kind of fine grinding device of metallurgical part.
Background technique
In the manufacturing process of metallurgical product, many metallurgy blank surfaces are all not smooth enough, requirement are not achieved, all
Need to carry out the polishing or polishing on surface, some parts are also different to the roughness requirements at each position in surface, this just needs to use
Detail sanding is carried out to different grinding apparatus, while being equipped with a variety of sanders and increasing cost, and replacement polishing back and forth
Machine also gives polishing work to bring many difficulties, has delayed the processing duration.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of fine grinding device of metallurgical part
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of fine grinding device of metallurgy part, including device
Pedestal, described device pedestal both ends are coated with one group of foundation bolt, and side is provided with main support, the dress on described device pedestal
The bottom set seat other side is provided with slide, the main support and the slide and is cooperated by lead screw, side setting on the main support
There are spindle motor, spindle motor and oil cylinder, the main support other side is provided with automatically controlled, is provided with chuck on the slide
Bracket is provided with scroll chuck on the chuck bracket, and the spindle motor and gear wheel cooperate, the spindle motor and assembly
Head cooperation, the oil cylinder are connect by spring with rotary tray motor, and the rotary tray motor and turntable cooperate, and are provided on the turntable
One group of tool apron.
Preferably, described device pedestal both ends are provided with step, and the foundation bolt is installed on the step.
Preferably, pinion gear is provided on the lead screw, the pinion gear is engaged with the gear wheel.
Preferably, the spindle motor, the spindle motor, the oil cylinder are provided with mounting base, the spindle motor,
The spindle motor, the oil cylinder are connect by the mounting base with the main support.
Preferably, key is provided on the assembly head, the side of the tool apron offers fitting groove, and the assembly head passes through
The key is adapted to the fitting groove.
Preferably, spring groove is offered on the piston of the oil cylinder, the spring is arranged in the spring groove, and described turn
Coil motor side is provided with telescopic rod, and the telescopic rod is adapted to the spring groove, and the spring is set in outside the telescopic rod
Portion.
Preferably, one group of bearing is provided on the turntable, the tool apron is matched by the bearing and turntable rotation
It closes.
Preferably, the tool apron can be with processing cutter head cooperation, and it is small drill bit, wammel respectively that there are four types of the processing cutter heads
Head, milling cutter and grinding head.
Preferably, it is provided with one group of control button on the automatically controlled platform, it is the spindle motor, the spindle motor, described
Oil cylinder and the rotary tray motor are electrically connected with described automatically controlled.
Compared with prior art, the beneficial effects of the invention are as follows：The fine grinding device of metallurgy part in use, pass through first
Foundation bolt fixes the present apparatus on the ground, then cooperates the metallurgical part and scroll chuck that need to polish, after clamping, passes through
Automatically controlled control spindle motor work, then spindle motor drives the rotation of gear wheel driving pinion, realizes the rotation of lead screw, so that it may
Easily to control slide movement, so that the metallurgical part of clamping is polished or is drilled close to processing cutter head on scroll chuck, oil
Cylinder can stretch, and when needing replacing processing cutter head, then oil cylinder stretches out, and assembly head and fitting groove separation, then turntable loses assembly
Head position-limiting action being rotated by rotary tray motor, realization different processing cutter heads is matched with assembly head, choose
After needing processing cutter head to be used, then retracted by automatically controlled control oil cylinder, then turntable is kept in the center, the fitting groove and dress of tool apron
It contacts with head, but not necessarily can suitably agree with, because the piston of oil cylinder is connect by spring with rotary tray motor, spring has deformation
Ability, even if the assembly head and fitting groove could not agree with completely, will not make turntable stress concentrate and damage, at this moment
Staff rotates processing cutter head manually, that is, may make fitting groove to agree with assembly head, completes the replacement of processing cutter head, very just
Just, polishing and boring work are then carried out by automatically controlled control spindle motor work；The present apparatus can be equipped with a variety of processing knives
Head has both the function of polishing and drilling, and a variety of cutter head transformation are convenient, can quickly be adjusted according to truth condition, improve work
Efficiency, while meeting the various demands of metallurgical part processing, a tractor serves several purposes is worthy to be popularized.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram of assembly head of the present invention.
Fig. 3 is the structural schematic diagram of the fitting groove on knife rest of the present invention.
Fig. 4 is the structural schematic diagram that oil cylinder of the present invention and rotary tray motor cooperate.
Fig. 5 is the structural schematic diagram of turntable of the present invention.
In figure：1- device pedestal；2- foundation bolt；3- main support；4- slide；5- lead screw；6- spindle motor；7- main shaft electricity
Machine；8- oil cylinder；9- automatically controlled；10- chuck bracket；11- scroll chuck；12- gear wheel；13- assembly head；14- spring；15- turns
Coil motor；16- turntable；17- tool apron；18- step；19- pinion gear；20- mounting base；21- key；22- piston；23- spring groove；
24- telescopic rod；25- fitting groove；26- bearing；The small drill bit of 27-；The big drill bit of 28-；29- milling cutter；30- grinding head；31- control is pressed
Button.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution：A kind of fine grinding device of metallurgy part, including device bottom
Seat 1,1 both ends of described device pedestal are coated with one group of foundation bolt 2, and side is provided with main support 3, institute on described device pedestal 1
It states 1 other side of device pedestal and is provided with slide 4, the main support 3 and the slide 4 pass through lead screw 5 and cooperate, the main support 3
Upper side is provided with spindle motor 6, spindle motor 7 and oil cylinder 8, and 3 other side of main support is provided with automatically controlled 9, described
It is provided with chuck bracket 10 on slide 4, scroll chuck 11, the spindle motor 6 and canine tooth are provided on the chuck bracket 10
12 cooperation of wheel, the spindle motor 7 cooperate with assembly head 13, and the oil cylinder 8 is connect by spring 14 with rotary tray motor 15, described
Rotary tray motor 15 and turntable 16 cooperate, and are provided with one group of tool apron 17 on the turntable 16,1 both ends of described device pedestal are provided with
Step 18, the foundation bolt 2 are installed on the step 18, and pinion gear 19, the pinion gear 19 are provided on the lead screw 5
It is engaged with the gear wheel 12, the spindle motor 6, the spindle motor 7, the oil cylinder 8 are provided with mounting base 20, described
Spindle motor 6, the spindle motor 7, the oil cylinder 8 are connect by the mounting base 20 with the main support 3, the assembly
Key 21 is provided on first 13, the side of the tool apron 17 offers fitting groove 25, and the assembly head 13 passes through the key 21 and institute
The adaptation of fitting groove 25 is stated, spring groove 23 is offered on the piston 22 of the oil cylinder 8, the spring 14 is arranged in the spring groove 23
In, 15 side of rotary tray motor is provided with telescopic rod 24, and the telescopic rod 24 is adapted to the spring groove 23, the spring 14
It is set in outside the telescopic rod 24, one group of bearing 26 is provided on the turntable 16, the tool apron 17 passes through the bearing 26
It is rotatably assorted with the turntable 16, the tool apron 17 can be with processing cutter head cooperation, and it is bradawl respectively that there are four types of the processing cutter heads
First 27, big drill bit 28, milling cutter 29 and grinding head 30 are provided with one group of control button 31, the lead screw electricity on described automatically controlled 9
Machine 6, the spindle motor 7, the oil cylinder 8 and the rotary tray motor 15 are electrically connected with described automatically controlled 9.
Working principle：In grinding device fine using the metallurgy part, the present apparatus is fixed on by foundation bolt 2 first
On ground, then the metallurgical part polished will be needed to cooperate with scroll chuck 11, after clamping, pass through automatically controlled 9 control spindle motor 6
Work, then spindle motor 6 drives the rotation of 12 driving pinion 19 of gear wheel, realizes the rotation of lead screw 5, so that it may convenient control
Slide 4 is mobile, so that the metallurgical part of clamping is polished or drilled close to processing cutter head on scroll chuck 11, oil cylinder 8 can be stretched
Contracting, when needing replacing processing cutter head, then oil cylinder 8 stretches out, and assembly head 13 and fitting groove 25 separate, then turntable 16 loses assembly head
13 position-limiting action being rotated by rotary tray motor 15, realization different processing cutter heads is matched with assembly head 13,
It chooses after needing processing cutter head to be used, is then retracted by automatically controlled 9 control oil cylinder 8, then turntable 16 is kept in the center, tool apron 17
Fitting groove 25 is contacted with assembly head 13, but not necessarily can suitably be agreed with, because the piston 22 of oil cylinder 8 passes through spring 14 and turntable electricity
Machine 15 connects, and there is spring 14 ability of deformation will not make even if the assembly head 13 and fitting groove 25 could not agree with completely
It obtains 16 stress of turntable to concentrate and damage, at this moment staff rotates processing cutter head manually, that is, may make fitting groove 25 and assembly
First 13 agree with, and complete the replacement of processing cutter head, very convenient, then by automatically controlled 9 control spindle motor 7 work, are beaten
Mill and boring work.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of fine grinding device of metallurgy part, including device pedestal（1）, it is characterised in that：Described device pedestal（1）It wears at both ends
Equipped with one group of foundation bolt（2）, described device pedestal（1）Upper side is provided with main support（3）, described device pedestal（1）It is another
Side is provided with slide（4）, the main support（3）With the slide（4）Pass through lead screw（5）Cooperation, the main support（3）Upper side
It is provided with spindle motor（6）, spindle motor（7）And oil cylinder（8）, the main support（3）The other side is provided with automatically controlled（9）,
The slide（4）On be provided with chuck bracket（10）, the chuck bracket（10）On be provided with scroll chuck（11）, the lead screw
Motor（6）With gear wheel（12）Cooperation, the spindle motor（7）With assembly head（13）Cooperation, the oil cylinder（8）Pass through spring
（14）With rotary tray motor（15）Connection, the rotary tray motor（15）With turntable（16）Cooperation, the turntable（16）On be provided with one
Group tool apron（17）, described device pedestal（1）Both ends are provided with step（18）, the foundation bolt（2）It is installed on the step
（18）On, the lead screw（5）On be provided with pinion gear（19）, the pinion gear（19）With the gear wheel（12）Engagement, it is described
Spindle motor（6）, the spindle motor（7）, the oil cylinder（8）It is provided with mounting base（20）, the spindle motor（6）, institute
State spindle motor（7）, the oil cylinder（8）Pass through the mounting base（20）With the main support（3）Connection, the assembly head
（13）On be provided with key（21）, the tool apron（17）Side offer fitting groove（25）, the assembly head（13）By described
Key（21）With the fitting groove（25）Adaptation, the oil cylinder（8）Piston（22）On offer spring groove（23）, the spring
（14）It is arranged in the spring groove（23）In, the rotary tray motor（15）Side is provided with telescopic rod（24）, the telescopic rod
（24）With the spring groove（23）Adaptation, the spring（14）It is set in the telescopic rod（24）Outside, the turntable（16）On
It is provided with one group of bearing（26）, the tool apron（17）Pass through the bearing（26）With the turntable（16）It is rotatably assorted.
2. a kind of fine grinding device of metallurgical part according to claim 1, it is characterised in that：The tool apron（17）Can with add
The cooperation of work cutter head, it is small drill bit respectively that there are four types of the processing cutter heads（27）, big drill bit（28）, milling cutter（29）And grinding head
（30）.
3. a kind of fine grinding device of metallurgical part according to claim 1, it is characterised in that：Described automatically controlled（9）On set
It is equipped with one group of control button（31）, the spindle motor（6）, the spindle motor（7）, the oil cylinder（8）And the turntable
Motor（15）With described automatically controlled（9）Electrical connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139699.4A CN109176030A (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
| CN201610422675.4A CN105935883B (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422675.4A CN105935883B (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139699.4A Division CN109176030A (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105935883A CN105935883A (en) | 2016-09-14 |
| CN105935883B true CN105935883B (en) | 2018-11-30 |
Family
ID=56872352
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422675.4A Active CN105935883B (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
| CN201811139699.4A Withdrawn CN109176030A (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139699.4A Withdrawn CN109176030A (en) | 2016-06-16 | 2016-06-16 | A kind of fine grinding device of metallurgy part |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105935883B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650131A (en) * | 2017-10-11 | 2018-02-02 | 深圳市乐业科技有限公司 | A kind of Multifunctional intelligent robot for being used to polish based on Internet of Things |
| CN108687973A (en) * | 2018-07-25 | 2018-10-23 | 蚌埠淮畔精密机械有限公司 | A kind of more drill bit glass drilling machines |
| CN109834198B (en) * | 2019-04-02 | 2021-02-19 | 山东红三叶钢结构工程有限公司 | Reinforcing steel bar bending mechanism for house bridge building and bending method thereof |
| CN110340380B (en) * | 2019-07-30 | 2020-08-21 | 浙江翊翔塑模股份有限公司 | Numerical control turning processing machine |
| CN110842622A (en) * | 2019-12-24 | 2020-02-28 | 舟山市舟鑫塑料机械有限公司 | Horizontal automatic tool changer |
| CN112247638B (en) * | 2020-10-12 | 2021-08-06 | 吉林大学 | High-freedom multi-angle adjustment type quick tool changing mechanism based on reliability design |
| CN112895166A (en) * | 2021-03-09 | 2021-06-04 | 重庆嘉肯科技有限公司 | Glass mold slotting operation device configured on milling machine |
| CN114571250A (en) * | 2022-03-28 | 2022-06-03 | 江苏宝亨新电气有限公司 | Fireproof intensive bus duct plug-in interface processing device and processing method thereof |
| CN115179125B (en) * | 2022-06-29 | 2024-03-22 | 芜湖仅一机械有限公司 | Surface treatment device and method for magnesium alloy part of communication base station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645278U (en) * | 2010-04-22 | 2010-11-24 | 内蒙古一机集团路通弹簧有限公司 | Spring end grinder |
| CN102672218A (en) * | 2012-05-23 | 2012-09-19 | 浙江摩多巴克斯汽配有限公司 | Tool rest |
| CN102886532A (en) * | 2011-07-22 | 2013-01-23 | 宁波北仑立洲自动化机械制造有限公司 | Efficient semi-automatic lathe |
| CN202910565U (en) * | 2012-10-20 | 2013-05-01 | 大连冶金工具厂有限公司 | Horizontal type machine tool for machining inner bore of oversized roller |
| CN205660395U (en) * | 2016-06-16 | 2016-10-26 | 安徽机电职业技术学院 | A metallurgical meticulous grinding device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201744665U (en) * | 2010-08-17 | 2011-02-16 | 钱伯均 | Turret lathe |
| CN103921120B (en) * | 2014-04-09 | 2016-07-20 | 中山建德工业有限公司 | A kind of turnning and milling bores attacks synthetic numerical control equipment |
-
2016
- 2016-06-16 CN CN201610422675.4A patent/CN105935883B/en active Active
- 2016-06-16 CN CN201811139699.4A patent/CN109176030A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645278U (en) * | 2010-04-22 | 2010-11-24 | 内蒙古一机集团路通弹簧有限公司 | Spring end grinder |
| CN102886532A (en) * | 2011-07-22 | 2013-01-23 | 宁波北仑立洲自动化机械制造有限公司 | Efficient semi-automatic lathe |
| CN102672218A (en) * | 2012-05-23 | 2012-09-19 | 浙江摩多巴克斯汽配有限公司 | Tool rest |
| CN202910565U (en) * | 2012-10-20 | 2013-05-01 | 大连冶金工具厂有限公司 | Horizontal type machine tool for machining inner bore of oversized roller |
| CN205660395U (en) * | 2016-06-16 | 2016-10-26 | 安徽机电职业技术学院 | A metallurgical meticulous grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105935883A (en) | 2016-09-14 |
| CN109176030A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105935883B (en) | A kind of fine grinding device of metallurgy part | |
| CN106078395B (en) | A kind of Hardware fitting processing sanding apparatus | |
| WO2004091856A3 (en) | Grinding apparatus and method | |
| CN107745307A (en) | A kind of robot belt sander | |
| CN107838756A (en) | A kind of bearing sander | |
| CN211220191U (en) | Novel steel surface polishing machine | |
| CN113146417A (en) | Precise machining machine for manufacturing and forming direct-current motor stator | |
| CN210024436U (en) | Multifunctional numerical control grinding machine | |
| CN111823086A (en) | Angle-adjustable plate edge grinding device for machining | |
| CN217750872U (en) | Polisher for surface machining of metal workpiece | |
| CN205660395U (en) | A metallurgical meticulous grinding device | |
| CN209811920U (en) | Device for polishing and removing burrs on arc edge of machined product | |
| CN214723330U (en) | Abrasive grinding tool capable of adjusting grinding degree | |
| CN208744477U (en) | A kind of multistation polishing grinding integrated machine tool | |
| CN208214987U (en) | A kind of interior base cylindrical grinder | |
| CN210451773U (en) | Cutting and grinding device for manufacturing metal ring piece | |
| CN207358812U (en) | A kind of vertical polishing machine | |
| JP2003170338A (en) | Method and device for grinding | |
| CN205968650U (en) | Diamond roll dresser | |
| CN214977990U (en) | Anti-abrasion polishing machine tool | |
| CN212653165U (en) | Angle-adjustable plate edge grinding device for machining | |
| CN212497190U (en) | Position-adjustable frosted base | |
| CN102441831A (en) | Quick polishing grinder | |
| CN217194481U (en) | Multi-position adjusting equipment for machining of grinding machine | |
| CN217096959U (en) | Grinding device for machining blank of spindle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180925 Address after: 230031 B-1014, 10 floor, business office building, Wo Ye garden, Shushan District, Hefei, Anhui. Applicant after: HEFEI WISDOM LONGTUTENG INTELLECTUAL PROPERTY CO., LTD. Address before: 241002 No. 16 Wen Jin Road, Yijiang Higher Education Park, Wuhu, Anhui Applicant before: Anhui Technical College of Mechanical and Electrical Engineering |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181017 Address after: 312300 Siluo village, Xiaoyue Town, Shangyu District, Shaoxing, Zhejiang Applicant after: Shaoxing Shangyu Yi Tian electromechanical Co., Ltd. Address before: 230031 B-1014, 10 floor, business office building, Wo Ye garden, Shushan District, Hefei, Anhui. Applicant before: HEFEI WISDOM LONGTUTENG INTELLECTUAL PROPERTY CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 274000 e7-1, Jiuwei Industrial Park, No. 2059, Zhonghua West Road, Wanfu office, high tech Zone, Heze City, Shandong Province Patentee after: Shandong Green Kairui Precision Instrument Co.,Ltd. Address before: 312300 Siluo village, Xiaoyue Town, Shangyu District, Shaoxing, Zhejiang Patentee before: Shaoxing Shangyu Yi Tian electromechanical Co.,Ltd. |