CN104801991B - Numerical control machining center with multi-direction machining function - Google Patents

Numerical control machining center with multi-direction machining function Download PDF

Info

Publication number
CN104801991B
CN104801991B CN201510209399.9A CN201510209399A CN104801991B CN 104801991 B CN104801991 B CN 104801991B CN 201510209399 A CN201510209399 A CN 201510209399A CN 104801991 B CN104801991 B CN 104801991B
Authority
CN
China
Prior art keywords
axis
rail
base
axis rail
head
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
Application number
CN201510209399.9A
Other languages
Chinese (zh)
Other versions
CN104801991A (en
Inventor
殷正斌
沈成辉
赵小雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Pratic CNC Science and Technology Co Ltd
Original Assignee
Foshan Pratic CNC Science and Technology Co Ltd
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 Foshan Pratic CNC Science and Technology Co Ltd filed Critical Foshan Pratic CNC Science and Technology Co Ltd
Priority to CN201510209399.9A priority Critical patent/CN104801991B/en
Publication of CN104801991A publication Critical patent/CN104801991A/en
Application granted granted Critical
Publication of CN104801991B publication Critical patent/CN104801991B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017Arrangements of ways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to the field of numerical control machining centers, in particular to a novel numerical control machining center with a multi-direction machining function. The novel numerical control machining center comprises a machine tool base, a machining cross beam, a longitudinal machine head and a transverse machine head, wherein X-axis rails, Y1-axis rails and Y2-axis rails are arranged on the upper surface of the machine tool base; the machining cross beam and the transverse machine head are correspondingly arranged on the Y1-axis rails and Y2-axis rails in a sliding manner; Z-axis rails are arranged on the cross beam; the longitudinal machine head is arranged on the Z-axis rails in a sliding manner; each of the longitudinal machine head and the transverse machine head is provided with a machining spindle; the machine tool base comprises a left-side base, a right-side base and an X-axis base; the Y1-axis rails and the Y2-axis rails are correspondingly arranged on the upper surface of the left-side base and the upper surface of the right-side base and are positioned on two sides of the X-axis rails; the left-side base and the right-side base are correspondingly connected with the left side face and the right side face of the X-axis base in a sliding manner. According to the contents, the invention provides the numerical control machining center with the advantages of more scientific structure, higher machining efficiency and higher machining precision.

Description

A kind of numerical control machining center with multidirectional machining function
Technical field
The present invention relates in numerical control machining center field, more particularly to a kind of digital control processing with multidirectional machining function The heart.
Background technology
Most traditional numerical control machining centers are provided only with a machining spindle, in order to many to realize using a main shaft The effect of face processing, is provided with the rotatable devices such as index dial to change the machine direction of main shaft on the mounting structure of main shaft. But, this processing processing mode causes position fixing process of the main shaft after switching machined surface to become and its complicated.Such as spindle processing After a complete upper horizontal surface, to be switched to some point on vertical side and start processing, it is necessary to main shaft elder generation withdrawing, Ran Houxuan Turn certain angle, by the synthesis movement in X, Y, Z axis, can just navigate to and be processed on some point of the side, And this error to knife is very big so that part processing precision is substantially reduced;This process to knife in rotary moving, needs root Arriving for COMPREHENSIVE CALCULATING is carried out in the position of the angle, tool length and concrete processing stand that rotate according to main shaft.So that numerical control machining center exists Extremely complex is become to the operation that concrete workpiece carries out multiaspect processing, also while greatly increased the difficulty of programming.
Also occur in that in prior art while being provided with the numerical control machining center of multiple machining spindles, but set on these lathes Several main shafts put be arranged in parallel, equivalent to being exactly the quantity that simply increased main shaft, so that digital control processing Center can simultaneously process multiple workpiece, increased the working (machining) efficiency of lathe.But, this multiaxis NC maching center can not utilize The main shaft set up is while the multiple faces to process workpiece, simply adds somewhat to working (machining) efficiency, it is impossible to meet more zero The processing of part needs.
The content of the invention
It is an object of the invention to carry a kind of with multiaspect machining spindle, the higher numerical control machining center of the free degree is processed.
It is that, up to this purpose, the present invention is employed the following technical solutions:
A kind of numerical control machining center with multidirectional machining function, including lathe base, processing crossbeam, longitudinal head and Horizontal head;
Further illustrate, the lathe base upper surface is provided with X-axis line rail and the Y vertical with X-axis line rail1Axis rail and Y2Axis rail;The X-axis line rail slides and is provided with workbench;The processing crossbeam is slideably positioned in Y2Axis rail, the horizontal head It is slideably positioned in the Y1Axis rail;The processing crossbeam is provided with the Y with X-axis line rail horizontal vertical3Axis rail and with the Y3 The vertically vertical z axis rail of axis rail;Longitudinal head slides and is located at the z axis rail;Longitudinal head and the horizontal stroke A machining spindle is designed with to head;
Further illustrate, the lathe base includes left-hand foot, right side base and X-axis base;The left-hand foot and The right side base splices respectively in the both sides of the X-axis base, the Y1Axis rail is arranged at the upper table of the left-hand foot Face, Y2Axis rail is arranged at the upper surface of the right side base, and positioned at the both sides of the X-axis line rail;The processing crossbeam bag The column of crossbeam and side is included, the column is provided with the tool magazine that tool changing can be carried out to the main shaft that longitudinal head is provided with.
More excellent, the left-hand foot is slidably connected to respectively the side of left and right two of the X-axis base with right side base On.
More excellent, the left-hand foot and the right side base are slideably positioned in the X that the X-axis base side is provided with1Axle Line rail.
It is more excellent, the frock clamp of workpiece by can the index dial of horizontal 360-degree rotation be installed on the upper of the workbench Surface.
It is more excellent, the left-hand foot and the right side seat aligned so that the Y1Axis rail and Y2Axis rail is conllinear.
Illustrate further, the crossbeam is connected to the upper end of the column, the column lower end slides and is located at the Y2 Axis rail, the z axis rail of the longitudinal head on the Z-direction slide plate that the crossbeam is provided with.The workbench is in the X Slip, the horizontal head on axis rail is in the Y1Slip, longitudinal head on axis rail is on the z axis rail Slip and the processing crossbeam in the Y2Slip on axis rail, is driven by screw mandrel.
The present invention proposes a kind of structure more science according to the above, and working (machining) efficiency is higher, the higher number of machining accuracy Control machining center.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention;
Wherein:Lathe base 100, left-hand foot 110, X-axis base 112, right side base 120, workbench 130, index dial 140, the frock clamp 150 of workpiece processes crossbeam 200, and crossbeam 210, column 220, longitudinal head 300, machining spindle 340 is horizontal To head 400, X-axis line rail 510, Y1Axis rail 520, Y2Axis rail 530, Y3Axis rail 540, z axis rail 550, X1Axis rail 560, tool magazine 600.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figure 1, a kind of numerical control machining center with multidirectional machining function, including lathe base 100, processing crossbeam 200th, longitudinal head 300 and laterally head 400;The upper surface of the lathe base 100 be provided with X-axis line rail 510 and with X-axis line rail 510 vertical Y1Axis rail 520 and Y2Axis rail 530;The X-axis line rail 510 slides and is provided with workbench 130;The processing crossbeam 200 are slideably positioned in the Y2Axis rail 530, the horizontal head 400 is slideably positioned in the Y1Axis rail 520;The processing Crossbeam 200 is provided with the Y with the horizontal vertical of X-axis line rail 5103Axis rail 540 and with the Y3The vertically vertical Z axis of axis rail 540 Line rail 550;Longitudinal head 300 slides and is located at the z axis rail 550;Longitudinal head 300 and the horizontal head 400 are respectively equipped with the first machining spindle 340 and the second machining spindle 340.
The numerical control machining center adopts all to be provided with the horizontal head 400 and longitudinal head 300 to be had The main shaft of elaboration, more optimizedly the two described main shafts are located at respectively on the head of two self-movements, respectively position On two of workpiece not coplanar, when the head is moved on corresponding line rail, with the good processing free degree;Two The machining spindle 340 on different directions can respectively to workpiece top surface and surrounding side precisely process, describe in detail, The machining spindle 340 that the horizontal head 400 is provided with can be through simple and quick adjustment, rapidly in workpiece surrounding Accurately positioning is found on side, the machining spindle 340 being provided with without longitudinal head 300 described in de-regulation again is processing Side;Meanwhile, the machining spindle 340 that the horizontal head 400 and longitudinal head 300 are provided with can be simultaneously to work Part is processed, and two heads are installed on motion of its machining spindle 340 on the lathe base 100 with correspondence is Relatively independent, can be separately controlled, it is also possible to which Collaborative Control is processed simultaneously;Described on wherein described longitudinal head 300 plus Work main shaft 340 is mounted to longitudinal head 300, hence in so that the machining spindle 340 on longitudinal head 300 With the preferably processing free degree, the processing needs of more different workpieces can be met;According to the above so that the numerical control adds The machining control at work center is more diversified, and flexibility is high, so that the working (machining) efficiency of the numerical control machining center is higher, fits It is wider with scope.
The lathe base 100 includes left-hand foot 110, right side base 120 and X-axis base;The He of the left-hand foot 110 The right side base 120 splices respectively in the both sides of the X-axis base, the Y1Axis rail 520 is arranged at the left-hand foot 110 upper surface, the Y2Axis rail 530 is arranged at the upper surface of the right side base 120, and positioned at the X-axis line rail 510 Both sides;The left-hand foot and the right side base are slideably positioned in the X that the X-axis base side is provided with1Axis rail.
The X-axis line rail 510 is that the Y line rail in traditional numeric-control machining center is separated into into the Y1Axis rail 520 and Y2Axle Two parts of line rail 530, so that the Y1Axis rail 520 and Y2Axis rail 530 is not an entirety, with what is be independently arranged Characteristic, also for the horizontal head 400 and longitudinal head 300 there is separately machined motion to provide setting basis.It is described Left-hand foot 110 and right side base 120 can be in the X1On axis rail 560 slidably, the left-hand foot 110 drives institute State horizontal head 400 to move, the right side base 120 drives longitudinal head 300 to move, so that two described machines Head being capable of each self-movement so that the processing mode of the numerical control machining center is more flexible, and then expands the numerical control The scope of application of machining center.
The frock clamp 150 of workpiece by can horizontal 360-degree rotation index dial 140 be installed on the workbench 130 Upper surface.
Because many workpiece are frequently not a side needs processing, therefore is directly fixed in the workbench 130 Upper surface, after the machining spindle 340 machines a side, then shut down reinstall workpiece, positioning, so allow for The process of side surface of workpiece is loaded down with trivial details, and machining accuracy is greatly reduced;After being provided with the index dial 140, the processing master Axle 340 often machines a side, and the workpiece turns an angle on the index dial 140, from carrying out next side The processing in face, because each index dial 140 has corresponding scale, therefore saves the mistake positioned after workpiece rotational workpieces Journey, further such that the processing of the workpiece is simpler, quick.
The left-hand foot 110 and the right side base 120 align so that the Y1Axis rail 520 and Y2Axis rail 530 Collinearly.
In many cases, the top surface of workpiece and side processing is carried out simultaneously, by the Y1Axis rail 520 and Y2Axle Line rail 530 is conllinear so that the horizontal head 400 and longitudinal head 300 at the same time workpiece top surface and side carried out respectively plus In man-hour, coordinate in the X-axis direction is identical, so as to enormously simplify control difficulty.
The processing crossbeam 200 includes the column 220 of crossbeam 210 and side, and the crossbeam 210 is connected to the column 220 upper end, the lower slide of the column 220 is located at the Y2Axis rail 530, longitudinal head 300 is located at the crossbeam The z axis rail 550 on the 210 Z-direction slide plates being provided with;The column 220 is provided with the master that can be provided with to longitudinal head 300 Axle carries out the tool magazine 600 of tool changing;The tool magazine 600 includes fixed seat, storehouse body and the rotary head being arranged inside the body of storehouse, described Storehouse body is fixed on the side of the column 220 by floor installation so that the rotary head rotates about the z axis carries out tool changing.
The crossbeam 210 is generally L-shaped, and handstand is arranged on the base of the lathe;Opposite side was not so both interfered with The setting of the horizontal head 400, causes the X-axis base to pass through from the lower section of the crossbeam 210, with enough mobile skies again Between, so that the mechanism of the numerical control machining center is more scientific and reasonable, use range is more extensive.In addition it is more excellent described The machining spindle 340 arranged on longitudinal head 300 of numerical control machining center can need to carry out cutter changing according to processing, and And the tool magazine 600 is direct to be electrically connected with corresponding control cabinet, it is not necessary to artificial operation, it is achieved thereby that the number The full-automatic processing of control machining center.
Slip, the horizontal head 400 of the workbench 130 on the X-axis line rail 510 is in the Y1Axis rail Slip and the processing crossbeam 210 of the slip, longitudinal head 300 on 520 on the z axis rail 550 is in the Y2 Slip on axis rail 530, is driven by screw mandrel.
Because in process the motion of the processing head will be leaned against to be slided on corresponding line rail and realized, and The stationarity moved in sliding process largely have impact on the precision of processing, and screw rod transmission is meeting stabilized driving Under the premise of, the stability of motion is also ensure that, so as to brief introduction ensure that the good machining accuracy of the numerical control machining center.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within Within protection scope of the present invention.

Claims (6)

1. a kind of numerical control machining center with multidirectional machining function, it is characterised in that including lathe base, processing crossbeam, vertical To head and horizontal head;
The lathe base upper surface is provided with X-axis line rail and the Y vertical with X-axis line rail1Axis rail and Y2Axis rail;The X-axis Line rail slides and is provided with workbench;The processing crossbeam is slideably positioned in Y2Axis rail, the horizontal head is slideably positioned in the Y1 Axis rail;The processing crossbeam is provided with the Y with X-axis line rail horizontal vertical3Axis rail and with the Y3Axis rail is vertically vertical Z axis rail;Longitudinal head slides and is located at the z axis rail;Longitudinal head is designed with one with the horizontal head Machining spindle;
The lathe base includes left-hand foot, right side base and X-axis base;The left-hand foot and the right side base are distinguished Splicing is in the both sides of the X-axis base, the Y1Axis rail is arranged at the upper surface of the left-hand foot, Y2Axis rail is arranged at The upper surface of the right side base, and positioned at the both sides of the X-axis line rail;The left-hand foot and right side base company of slip respectively It is connected on the side of left and right two of the X-axis base;
The processing crossbeam includes the column of crossbeam and side, and the column is provided with and the main shaft that longitudinal head is provided with can be entered The tool magazine of row tool changing.
2. a kind of numerical control machining center with multidirectional machining function according to claim 1, it is characterised in that the left side Wing base and the right side base are slideably positioned in the X that the X-axis base side is provided with1Axis rail.
3. a kind of numerical control machining center with multidirectional machining function according to claim 1, it is characterised in that workpiece Frock clamp by can the index dial of horizontal 360-degree rotation be installed on the upper surface of the workbench.
4. a kind of numerical control machining center with multidirectional machining function according to claim 1, it is characterised in that the left side Wing base and the right side seat aligned so that the Y1Axis rail and Y2Axis rail is conllinear.
5. a kind of numerical control machining center with multidirectional machining function according to claim 1, it is characterised in that the horizontal stroke Beam is connected to the upper end of the column, and the column lower end slides and is located at the Y2Axis rail, longitudinal head is located at described The z axis rail on the Z-direction slide plate that crossbeam is provided with.
6. a kind of numerical control machining center with multidirectional machining function according to claim 1, it is characterised in that the work Make slip, the horizontal head of the platform on the X-axis line rail in the Y1Slip, longitudinal head on axis rail is in institute Slip on z axis rail and the processing crossbeam are stated in the Y2Slip on axis rail, is driven by screw mandrel.
CN201510209399.9A 2015-04-28 2015-04-28 Numerical control machining center with multi-direction machining function Active CN104801991B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510209399.9A CN104801991B (en) 2015-04-28 2015-04-28 Numerical control machining center with multi-direction machining function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510209399.9A CN104801991B (en) 2015-04-28 2015-04-28 Numerical control machining center with multi-direction machining function

Publications (2)

Publication Number Publication Date
CN104801991A CN104801991A (en) 2015-07-29
CN104801991B true CN104801991B (en) 2017-04-26

Family

ID=53687405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510209399.9A Active CN104801991B (en) 2015-04-28 2015-04-28 Numerical control machining center with multi-direction machining function

Country Status (1)

Country Link
CN (1) CN104801991B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101234474A (en) * 2007-01-30 2008-08-06 山崎马扎克公司 Machining center
CN201157969Y (en) * 2008-02-03 2008-12-03 严孝诚 Numerical control vertical, transversal double-principal axis pentahedron machining center machine tool structure
CN201744851U (en) * 2009-09-27 2011-02-16 王建锐 Cross beam movable type NC (numerical control) boring-milling machine with single upright post
EP2527080A1 (en) * 2011-05-27 2012-11-28 Paolino Bacci S.r.l. Support and movement system of workpiece-supporting tables for machining centres or machine tools and machining center comprising said system
CN203791991U (en) * 2014-03-20 2014-08-27 广州市敏嘉制造技术有限公司 Gantry-type multi-spindle machining center

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101234474A (en) * 2007-01-30 2008-08-06 山崎马扎克公司 Machining center
CN201157969Y (en) * 2008-02-03 2008-12-03 严孝诚 Numerical control vertical, transversal double-principal axis pentahedron machining center machine tool structure
CN201744851U (en) * 2009-09-27 2011-02-16 王建锐 Cross beam movable type NC (numerical control) boring-milling machine with single upright post
EP2527080A1 (en) * 2011-05-27 2012-11-28 Paolino Bacci S.r.l. Support and movement system of workpiece-supporting tables for machining centres or machine tools and machining center comprising said system
CN203791991U (en) * 2014-03-20 2014-08-27 广州市敏嘉制造技术有限公司 Gantry-type multi-spindle machining center

Also Published As

Publication number Publication date
CN104801991A (en) 2015-07-29

Similar Documents

Publication Publication Date Title
EA027328B1 (en) Multi-carriage dual-spindle symmetrical grinding processing center
CN203316803U (en) Four-shaft linkage numerical control engraving and milling machine
CN103802180A (en) Numerical control five-axis tenon machining machine tool
CN107214521B (en) Turning and milling combined drilling and tapping center
KR20120081970A (en) Double spindle gang type cnc lathe
CN111002047A (en) Numerical control movable beam type five-axis gantry machining center machine tool
CN109262288A (en) Double main shaft double-workbench horizontal Machining centers
CN204397367U (en) A kind of dynamic post and beam gantry Five-axis NC Machining Center
KR20110120789A (en) Double spindle gang type cnc lathe
CN104801988B (en) Numerical control machine tool with multi-axial machining function
CN108274248A (en) Multi-panel integrated machining center
CN208033717U (en) A kind of gantry vertical bores lathe
CN104827353B (en) A kind of numerical control machining center of multiaxis multi-panel processing
CN104802013B (en) A kind of numerical control machining center of multiaspect processing
CN212217764U (en) Numerical control movable beam type five-axis gantry machining center machine tool
CN205818763U (en) There is the carving machine of detecting head
CN110340412B (en) Vertical and horizontal combined machining center
CN105033770B (en) A kind of numerically-controlled machine tool of multiaxis multi-panel processing
CN209441089U (en) A kind of 3D glass finishing impression equipment
US4043700A (en) X-Y control for radial arm and headstock of a radial drilling machine
CN209157698U (en) Double main shaft double-workbench horizontal Machining centers
CN104801991B (en) Numerical control machining center with multi-direction machining function
CN104802039B (en) A kind of Digit Control Machine Tool of new multiaxis multiaspect processing
CN104842172B (en) Numerical control machining center having multidirectional machining function
CN104801989B (en) A kind of numerically-controlled machine tool with Multi-axis Machining function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Numerical control machining center having multidirectional machining function

Effective date of registration: 20190703

Granted publication date: 20170426

Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd Sanshui branch

Pledgor: Foshan Pratic CNC Science & Technology Co., Ltd.

Registration number: 2019440000252

PE01 Entry into force of the registration of the contract for pledge of patent right
CP03 Change of name, title or address

Address after: Block 1 and block 3, No. 9, Lexin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province

Patentee after: Guangdong Pradi Technology Co., Ltd

Address before: 528137 No. 70, C District, Sanshui Central Industrial Park, Guangdong, Foshan

Patentee before: FOSHAN PRATIC CNC SCIENCE & TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210303

Granted publication date: 20170426

Pledgee: Guangdong Nanhai rural commercial bank Limited by Share Ltd. Sanshui branch

Pledgor: FOSHAN PRATIC CNC SCIENCE & TECHNOLOGY Co.,Ltd.

Registration number: 2019440000252

PC01 Cancellation of the registration of the contract for pledge of patent right