LU501566B1 - 3d laser head for co2 nonmetal laser cutting - Google Patents

3d laser head for co2 nonmetal laser cutting Download PDF

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Publication number
LU501566B1
LU501566B1 LU501566A LU501566A LU501566B1 LU 501566 B1 LU501566 B1 LU 501566B1 LU 501566 A LU501566 A LU 501566A LU 501566 A LU501566 A LU 501566A LU 501566 B1 LU501566 B1 LU 501566B1
Authority
LU
Luxembourg
Prior art keywords
axis
assembly
refractor
laser
laser head
Prior art date
Application number
LU501566A
Other languages
German (de)
Inventor
Liwei Fu
Zhenkui Zhao
Qun Sun
Xinhua Yan
Jianchao Wu
Dongjie Zhao
Original Assignee
Nobot Intelligent Equipment Shandong 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 Nobot Intelligent Equipment Shandong Co Ltd filed Critical Nobot Intelligent Equipment Shandong Co Ltd
Application granted granted Critical
Publication of LU501566B1 publication Critical patent/LU501566B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • B23K26/703—Cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Robotics (AREA)
  • Laser Beam Processing (AREA)

Abstract

Provided is a 3D laser head for CO2 nonmetal laser cutting, including a C-axis rotating assembly, a B-axis swinging assembly and a laser head, wherein the B-axis swinging assembly is installed on a spindle of the C-axis rotating assembly, and the laser head is installed on a swinging shaft of the B-axis swinging assembly. The C-axis rotating assembly can rotate by n×360°, and the B-axis swinging assembly is installed on the spindle of the C-axis rotating assembly and can be swing by ±135°; it is ensured that the internal laser beam inside the C-axis rotating assembly and the B-axis swinging assembly can be always reflected accurately in a moving process and can be stably outputted via a focusing lens of the laser head; a machining capacity of 3D laser cutting machines is extended.

Description

3D LASER HEAD FOR CO, NONMETAL LASER CUTTING LUS01566
TECHNICAL FIELD
[01] The present invention belongs to the technical field of laser cutting, and particularly relates to a 3D laser head for CO, nonmetal laser cutting.
BACKGROUND ART
[02] In recent years, due to excellent properties, composite materials have been widely applied in industrial fields such as aviation, aerospace, ships, high-speed rails and automobiles; composite materials generally feature high hardness, high strength, poor thermal conductivity, anisotropy and discreteness. With an increasing requirement for the structural complexity and machining precision of components, it is increasingly difficult for traditional machining methods to satisfy the machining requirements of composite components. A 3D CO, laser cutting machine can realize efficient and high precision machining of complex structural components of composite materials, which is an inevitable choice to satisfy the machining requirements of such components at present.
[03] A laser cutting head is a critical component of 3D CO, laser cutting machines. The 3D CO, laser cutting machines have specific structural requirements for the laser cutting head, such as rotation angle, machining temperature and weight during working, However, all kinds of 3D fiber laser heads and planar CO, laser heads in the market cannot satisfy the working requirements at present.
SUMMARY
[04] The present invention provides a 3D laser head for CO; nonmetal laser cutting to achieve the purposes of improving a machining precision and increasing an application scope of CO; laser cutting machines.
[05] A 3D laser head for CO; nonmetal laser cutting includes a C-axis rotating assembly, a B-axis swinging assembly and a laser head, wherein the B-axis swinging assembly is installed on a spindle of the C-axis rotating assembly, and the laser head is installed on a swinging shaft of the B-axis swinging assembly;
[06] the C-axis rotating assembly includes a spindle, a C-axis motor, a C-axis encoder and a pneumatic-electrical-hydraulic conductive slip ring; wherein a rotor of the C-axis motor is installed on the spindle, and a stator is installed inside a C-axis motor outer frame; a C-axis rear-end gland is installed at an upper end of the C-axis motor outer frame, and a stator locating boss for the C-axis motor is arranged at a lower side of the C-axis rear-end gland; angular contact bearings are arranged between an upper side of the spindle and the C-axis rear-end gland and between a lower side of the spindle and the C-axis motor outer frame respectively; a locknut is installed on the spindle at an upper side of the upper angular contact bearing; a rotating shaft of the C-axis encoder 1s installed at a top end of the spindle, and an outer ring of the C-axis encoder is installed at an upper end of the C-axis rear-end gland; a slip-ring rotor fixing flange of the pneumatic-electrical-hydraulic conductive slip ring is installed at an upper end of the rotating shaft of the C-axis encoder; a stator of the 1 pneumatic-electrical-hydraulic conductive slip ring is fixed by a slip-ring stator holder; LU501566 and
[07] the B-axis swinging assembly includes a swinging shaft, a B-axis motor, a B-axis encoder, a C-axis refractor assembly and a B-axis refractor assembly; wherein a rotor of the B-axis motor is installed on the swinging shaft, and a stator is installed inside a B-axis motor outer frame; the B-axis motor outer frame is installed at a lower end of the spindle, which can drive the B-axis swinging assembly to rotate; the C-axis refractor assembly, capable of converting a vertical laser transmission to a horizontal laser transmission, is installed at one end of the B-axis motor outer frame; a rotating shaft of the B-axis encoder is installed on the swinging shaft, and an outer ring of the B-axis encoder, capable of accurately detecting an angular displacement of the B-axis motor, is installed on the B-axis motor outer frame; a dual angular contact bearing is installed between the swinging shaft and a B-axis rear-end gland to support the rotating swinging shaft, a transition flange is installed on the B-axis rear-end gland, and an axial locating flange is arranged at a side of the transition flange in contact with the dual angular contact bearing; the B-axis refractor assembly, capable of refracting a laser into the laser head, is installed on the transition flange; a laser head mounting plate is installed at a lower end of the B-axis refractor assembly, and the laser head is installed on the laser head mounting plate.
[08] Further, a connecting flange fit with a tail end of a lifting ram of a laser cutting machine is arranged outside the C-axis motor outer frame.
[09] Further, the two angular contact bearings are reversely installed.
[10] Further, the slip-ring stator holder consists of a fixing support, a fixing block and a connector, wherein one end of the fixing support is connected to the C-axis rear-end gland, the other end is connected to the fixing block, the fixing block is connected to a slip-ring stator, and the connector is installed on the slip-ring stator.
[11] Further, dust rings are installed between the spindle and the B-axis motor outer frame and between the B-axis rear-end gland and the transition flange respectively.
[12] Further, both the C-axis refractor assembly and the B-axis refractor assembly include a refractor, a refractor seat, adjusting screws and a cooling water joint respectively; wherein, the refractor and the cooling water joint are installed on the refractor seats, and a water channel communicated with the cooling water joints is formed inside the refractor seat; the adjusting screws are installed on the refractor seat.
[13] Working principle of the present invention
[14] In the present invention, the pneumatic-electrical-hydraulic conductive slip ring, the C-axis encoder, the spindle, the B-axis encoder, the swinging shaft and the transition flange are all designed in a hollow structure to form a laser channel; both the C-axis motor and the B-axis motor are a frameless direct drive motor; the cooling water joint is arranged on the stator of the pneumatic-electrical-hydraulic conductive slip ring, and corresponding water channels are formed in circumferences of the spindle and the swinging shaft, through which circulating cooling water is introduced to reduce a working temperature of the motors during a working period, thereby ensuring the motors work for a long time.
[15] The present invention features the following beneficial effects: 2
[16] (1) The C-axis rotating assembly can rotate by nx360°, and the B-axis swinging LU501566 assembly is installed on the spindle of the C-axis rotating assembly and can swing by +135°; it is ensured that the internal laser beam inside the C-axis rotating assembly and the B-axis swinging assembly can be always reflected accurately in a moving process and can be stably outputted via a focusing lens of the laser head; a machining capacity of 3D laser cutting machines is extended.
[17] (2) The frameless direct drive motors serve to eliminate a reducer and other transmission mechanisms, reduce a weight and improve a transmission precision.
[18] (3) The pneumatic-electrical-hydraulic conductive slip ring integrates pneumatics, hydraulics, light and signal, thereby further compacting the overall structure.
BRIEF DESCRIPTION OF THE DRAWINGS
[19] FIG 1 is a structure view of the present invention;
[20] FIG 2 is a structure view of a C-axis rotating assembly in the present invention;
[21] FIG 3 is a structure sectional view in FIG. 2;
[22] FIG 4 is a structure view of a B-axis swinging assembly in the present invention;
[23] FIG 5 is a structure sectional view in FIG. 4.
[24] In the figures: 1. C-axis rotating assembly; 101. spindle; 102: C-axis motor; 103: C-axis motor outer frame; 104. C-axis rear-end gland; 105. angular contact bearing; 106. locknut; 107. C-axis encoder; 108. pneumatic-electrical-hydraulic conductive slip ring;
109. slip-ring rotor fixing flange; 110. slip-ring stator holder; 2. B-axis swinging assembly; 201. swinging shaft; 202. B-axis motor; 203. B-axis motor outer frame; 204. B-axis rear-end gland; 205. dual angular contact bearing; 206. B-axis encoder; 207. transition flange; 208. C-axis refractor assembly; 209. B-axis refractor assembly; 210. laser head mounting plate; 211. dust ring; 3. laser head.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[25] The technical solutions of the present invention will be further explained below with the specific implementation modes.
[26] As shown in the accompanying drawings, the present invention provides a 3D laser head for CO, nonmetal laser cutting, including a C-axis rotating assembly 1, a B-axis swinging assembly 2 and a laser head 3, wherein the B-axis swinging assembly is installed on a spindle of the C-axis rotating assembly, and the laser head 3 is installed on a swinging shaft of the B-axis swinging assembly 2.
[27] The C-axis rotating assembly 1 includes a spindle 101, a C-axis motor 102, a C-axis encoder 107 and a pneumatic-electrical-hydraulic conductive slip ring 108; wherein a rotor of the C-axis motor 102 is installed on the spindle 101 by a screw, and a stator is installed inside a C-axis motor outer frame 103; a connecting flange fit with a tail end of a lifting ram of a laser cutting machine is arranged outside the C-axis motor outer frame 103, and the 3D laser head can be installed on the laser cutting machine through the connecting flange; a C-axis rear-end gland 104 is installed at an upper end of the C-axis motor outer frame 103, and a stator locating boss for the C-axis motor 102 3 is arranged at a lower side of the C-axis rear-end gland 104. LU501566
[28] Angular contact bearings 105 are arranged between an upper side of the spindle 101 and the C-axis rear-end gland 104 and between a lower side of the spindle 101 and the C-axis motor outer frame 103 respectively, and the two angular contact bearings 105 are reversely installed to provide a positioning precision and bearing capacity; a locknut 106 is installed on the spindle 101 at an upper side of the upper angular contact bearing 105 to lock the angular contact bearings 105 and avoid their axial displacement; a rotating shaft of the C-axis encoder 107 is installed at a top end of the spindle 101, and an outer ring of the C-axis encoder 107, capable of accurately detecting an angular displacement of the C-axis motor 102, is installed at an upper end of the C-axis rear-end gland 104; a slip-ring rotor fixing flange 109, configured for fixing a rotor of the pneumatic-electrical-hydraulic conductive slip ring 108, is installed at an upper end of the rotating shaft of the C-axis encoder 107; the slip-ring stator holder 110, configured for fixing a stator of the pneumatic-electrical-hydraulic conductive slip ring 108, consists of a holder 111, a fixing block 112 and a connector 113; one end of the holder is connected to the C-axis rear-end gland, the other end is connected to the fixing block, the fixing block is connected to a slip-ring stator, and the connector is installed on the slip-ring stator.
[29] The pneumatic-electrical-hydraulic conductive slip ring 108 can satisfy an operation requirement of a 360° rotatory electric conduction with cooling water passing through.
[30] The B-axis swinging assembly 2 includes a swinging shaft 201, a B-axis motor 202, a B-axis encoder 206, a C-axis refractor assembly 208 and a B-axis refractor assembly 209; wherein a rotor of the B-axis motor 202 is installed on the swinging shaft 201 by a screw, and a stator is installed inside a B-axis motor outer frame 203; the B-axis motor outer frame 203 is installed at a lower end of the spindle 101, which can drive the B-axis swinging assembly 2 to rotate; the C-axis refractor assembly 208, capable of converting a vertical laser transmission to a horizontal laser transmission, is installed at a left end of the B-axis motor outer frame 203; a rotating shaft of the B-axis encoder 206 is installed on the swinging shaft 201, and an outer ring of the B-axis encoder 206, capable of accurately detecting an angular displacement of the B-axis motor 202, is installed on the B-axis motor outer frame 203; a dual angular contact bearing 205 is installed between the swinging shaft 201 and a B-axis rear-end gland 204 to support the rotating swinging shaft 201, and a transition flange 207 is installed on the B-axis rear-end gland 204, and a dust ring 211 is installed between the transition flange 207 and the B-axis rear-end gland 204 to prevent dust from entering; an axial locating flange is arranged at a side of the transition flange 207 in contact with the dual angular contact bearing 205; the B-axis refractor assembly 208, capable of refracting a laser into the laser head 3, is installed on the transition flange 207; a laser head mounting plate 210 is installed at a lower end of the B-axis refractor assembly 209, and the laser head is installed on the laser head mounting plate 210; the B-axis motor outer frame 203 is installed on the spindle 101, and a dust ring 211 is installed between the B-axis motor outer frame 203 and the spindle 101 to prevent dust from entering.
[31] The B-axis swinging assembly is installed on the spindle of the C-axis rotating 4 assembly and can swing by £135°. LU501566
[32] Both the C-axis refractor assembly 208 and the B-axis refractor assembly 209 include a refractor 212, a refractor seat 213, adjusting screws 214 and a cooling water joint 215 respectively; wherein the refractor 212 and the cooling water joint 215 are installed on the refractor seats 213, and a water channel communicated with the cooling water joint 215 is formed inside the refractor seat 213, through which circulating cooling water is introduced to reduce a temperature of the refractor 212 during a working period, thereby preventing a high temperature from affecting a working precision; the adjusting screws 214 for adjusting an inclination angle of the refractor 212 are installed evenly on the refractor seat 213. With the inclination angle of the two refractors 212 adjusted, an accurate reflection and transmission of a laser beam can be realized.

Claims (6)

WHAT IS CLAIMED IS: LUS01566
1. A 3D laser head for CO, nonmetal laser cutting, comprising a C-axis rotating assembly, a B-axis swinging assembly and a laser head, wherein the B-axis swinging assembly is installed on a spindle of the C-axis rotating assembly, and the laser head is installed on a swinging shaft of the B-axis swinging assembly; the C-axis rotating assembly comprises a spindle, a C-axis motor, a C-axis encoder and a pneumatic-electrical-hydraulic conductive slip ring; wherein a rotor of the C-axis motor is installed on the spindle, and a stator is installed inside a C-axis motor outer frame; a C-axis rear-end gland is installed at an upper end of the C-axis motor outer frame, and a stator locating boss for the C-axis motor is arranged at a lower side of the C-axis rear-end gland; angular contact bearings are arranged between an upper side of the spindle and the C-axis rear-end gland and between a lower side of the spindle and the C-axis motor outer frame respectively; a locknut is installed on the spindle at an upper side of the upper angular contact bearing; a rotating shaft of the C-axis encoder is installed at a top end of the spindle, and an outer ring of the C-axis encoder is installed at an upper end of the C-axis rear-end gland, a pneumatic-electrical-hydraulic conductive slip-ring rotor fixing flange is installed at an upper end of the rotating shaft of the C-axis encoder; a stator of the pneumatic-electrical-hydraulic conductive slip ring is fixed by a slip-ring stator holder; and the B-axis swinging assembly comprises a swinging shaft, a B-axis motor, a B-axis encoder, a C-axis refractor assembly and a B-axis refractor assembly; wherein a rotor of the B-axis motor is installed on the swinging shaft, and a stator is installed inside a B-axis motor outer frame; the B-axis motor outer frame is installed at a lower end of the spindle, which can drive the B-axis swinging assembly to rotate; the C-axis refractor assembly, capable of converting a vertical laser transmission to a horizontal laser transmission, is installed at one end of the B-axis motor outer frame; a rotating shaft of the B-axis encoder is installed on the swinging shaft, and an outer ring of the B-axis encoder, capable of accurately detecting an angular displacement of the B-axis motor, is installed on the B-axis motor outer frame; a dual angular contact bearing is installed between the swinging shaft and a B-axis rear-end gland to support the rotating swinging shaft, a transition flange is installed on the B-axis rear-end gland, and an axial locating flange is arranged at a side of the transition flange in contact with the dual angular contact bearing; the B-axis refractor assembly, capable of refracting a laser into the laser head, is installed on the transition flange; a laser head mounting plate is installed at a lower end of the B-axis refractor assembly, and the laser head is installed on the laser head mounting plate.
2. The 3D laser head for CO, nonmetal laser cutting of claim 1, wherein a connecting flange fit with a tail end of a lifting ram of a laser cutting machine is arranged outside the C-axis motor outer frame.
3. The 3D laser head for CO, nonmetal laser cutting of claim 1, wherein the two angular contact bearings are reversely installed.
4. The 3D laser head for CO, nonmetal laser cutting of claim 1, wherein the slip-ring stator holder consists of a fixing support, a fixing block and a connector; 1 wherein one end of the fixing support is connected to the C-axis rear-end gland, the LU501566 other end is connected to the fixing block, the fixing block is connected to a slip-ring stator, and the connector is installed on the slip-ring stator.
5. The 3D laser head for CO, nonmetal laser cutting of claim 1, dust rings are installed between the spindle and the B-axis motor outer frame and between the B-axis rear-end gland and the transition flange respectively.
6. The 3D laser head for CO, nonmetal laser cutting of claim 1, both the C-axis refractor assembly and the B-axis refractor assembly comprise a refractor, a refractor seat, adjusting screws and a cooling water joint respectively; wherein the refractor and the cooling water joint are installed on the refractor seats, and a water channel communicated with the cooling water joint are formed inside the refractor seat; the adjusting screws are installed on the refractor seats.
2
LU501566A 2021-03-03 2022-03-01 3d laser head for co2 nonmetal laser cutting LU501566B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110235562.4A CN112975156A (en) 2021-03-03 2021-03-03 For CO2Three-dimensional laser head for non-metal laser cutting

Publications (1)

Publication Number Publication Date
LU501566B1 true LU501566B1 (en) 2022-09-01

Family

ID=76352355

Family Applications (1)

Application Number Title Priority Date Filing Date
LU501566A LU501566B1 (en) 2021-03-03 2022-03-01 3d laser head for co2 nonmetal laser cutting

Country Status (3)

Country Link
CN (1) CN112975156A (en)
LU (1) LU501566B1 (en)
NL (1) NL2031100B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1320522B1 (en) * 2000-07-04 2003-12-10 Prima Ind Spa FOCUSING HEAD FOR A LASER MACHINE.
CN101178471A (en) * 2006-11-09 2008-05-14 深圳市大族激光科技股份有限公司 Reflecting mirror assembly for laser cutting machine tool
CN101332536B (en) * 2008-07-30 2011-08-24 山东大学 Laser bending shaping method and of light-wall conduit
CN102133694B (en) * 2011-01-31 2014-07-02 陈宏伟 Cutting or welding robot
CN203751519U (en) * 2013-12-09 2014-08-06 大连光洋科技工程有限公司 Direct driving type three-dimensional laser machining head of alternating current permanent magnet synchronous moment motor
CN105798457B (en) * 2016-05-25 2017-06-30 上海嘉强自动化技术有限公司 A kind of two axle three-dimensional laser heads for complicated processing curved surface

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Publication number Publication date
NL2031100A (en) 2022-09-23
NL2031100B1 (en) 2024-05-08
CN112975156A (en) 2021-06-18

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Effective date: 20220901