RU2015136478A - A method of processing materials using a multipath source of laser radiation - Google Patents

A method of processing materials using a multipath source of laser radiation Download PDF

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Publication number
RU2015136478A
RU2015136478A RU2015136478A RU2015136478A RU2015136478A RU 2015136478 A RU2015136478 A RU 2015136478A RU 2015136478 A RU2015136478 A RU 2015136478A RU 2015136478 A RU2015136478 A RU 2015136478A RU 2015136478 A RU2015136478 A RU 2015136478A
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RU
Russia
Prior art keywords
processing
sectors
laser
scanning
materials
Prior art date
Application number
RU2015136478A
Other languages
Russian (ru)
Inventor
Владимир Валентинович Павлов
Original Assignee
Владимир Валентинович Павлов
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Filing date
Publication date
Application filed by Владимир Валентинович Павлов filed Critical Владимир Валентинович Павлов
Priority to RU2015136478A priority Critical patent/RU2015136478A/en
Priority to PCT/RU2016/000002 priority patent/WO2017039478A1/en
Publication of RU2015136478A publication Critical patent/RU2015136478A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/105Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/082Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34Laser welding for purposes other than joining
    • B23K26/342Build-up welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Laser Beam Processing (AREA)

Claims (5)

1. Способ обработки материалов с использованием многолучевого источника лазерного излучения, выходные пучки которого с помощью призм, зеркал или оптических волокон направлены на входные окна лазерных сканирующих головок, работающих под управлением компьютерной программы и у которых выходные окна направлены на рабочее поле с обрабатываемым материалом, отличающийся тем, что обрабатываемое поле разделяют на сектора виртуальной сеткой с ячейками в виде равносторонних треугольников, при этом узлы сетки размещают напротив выходных окон сканирующих головок, которые устанавливают над рабочим полем на высоте, определяемой по формуле h=d/tgα, где d - длина стороны треугольного сектора, α - максимальный угол сканирования, и на каждом шаге обработки, определяемом компьютерной программой, оценивают объем необработанного материала в каждом секторе и направляют каждый луч в сектор, который находится в его области сканирования и имеет наибольший объем необработанного материала, затем обрабатывают материал в соответствии с программой, предусмотренной для этого шага обработки, а после полной обработки прилегающих к лучу секторов и до окончания обработки всех секторов рабочего поля, сканируют расфокусированным лучом сектора, в которые в процессе обработки было направлено наименьшее количество электромагнитной энергии, со скоростью, обеспечивающей приемлемые температурные градиенты в области обработанного слоя.1. A method of processing materials using a multipath source of laser radiation, the output beams of which with the help of prisms, mirrors or optical fibers are directed to the input windows of laser scanning heads operating under the control of a computer program and in which the output windows are directed to the working field with the processed material, characterized the fact that the processed field is divided into sectors by a virtual grid with cells in the form of equilateral triangles, while the grid nodes are placed opposite the output windows aniating heads, which are installed above the working field at a height determined by the formula h = d / tgα, where d is the side length of the triangular sector, α is the maximum scanning angle, and at each processing step determined by the computer program, the volume of raw material in each sector and direct each beam to the sector, which is in its scanning area and has the largest volume of raw material, then the material is processed in accordance with the program provided for this processing step, and after full processing of the sectors adjacent to the beam and until the processing of all sectors of the working field is completed, the sectors defected by the defocused beam are scanned, to which the least amount of electromagnetic energy was directed during processing, at a speed that provides acceptable temperature gradients in the region of the treated layer. 2. Способ обработки материалов с использованием многолучевого источника лазерного излучения по п. 1, отличающийся тем, что в секторах с меньшим количеством энергии, требуемой для полной обработки материала, сканирование расфокусированным лучом производят многократно, периодически прерывая основной процесс обработки материалов остро сфокусированным лучом.2. A method of processing materials using a multipath laser source according to claim 1, characterized in that in sectors with less energy required for complete processing of the material, scanning with a defocused beam is performed repeatedly, periodically interrupting the main process of processing materials with a sharply focused beam. 3. Способ обработки материалов с использованием многолучевого источника лазерного излучения по п. 2, отличающийся тем, что сканирование расфокусированным лучом производят многократно, периодически прерывая 3. A method of processing materials using a multipath source of laser radiation according to claim 2, characterized in that the scanning with a defocused beam is performed repeatedly, intermittently interrupting основной процесс обработки материалов остро сфокусированным лучом, во всех секторах.The main process of processing materials is a sharply focused beam, in all sectors. 4. Способ обработки материалов с использованием многолучевого источника лазерного излучения по п. 1, 2 или 3, отличающийся тем, что перед началом процесса обработки производят вычисление поправок для компенсации ошибок юстировки лазерных сканирующих головок путем последовательного наведения каждого луча на несколько общих для каждой пары лучей датчиков пространственного положения в системе координат, связанной с рабочим полем, которые устанавливают между обрабатываемым полем и выходными окнами лазерных головок в периферийной зоне сканирования, не используемой при обработке материалов.4. A method of processing materials using a multi-beam laser source according to claim 1, 2 or 3, characterized in that before the start of the processing process, corrections are calculated to compensate for alignment errors of the laser scanning heads by sequentially pointing each beam to several beams common to each pair spatial position sensors in the coordinate system associated with the working field, which are installed between the treated field and the output windows of the laser heads in the peripheral zone of the ska ation is not used in the processing of materials.
RU2015136478A 2015-08-28 2015-08-28 A method of processing materials using a multipath source of laser radiation RU2015136478A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2015136478A RU2015136478A (en) 2015-08-28 2015-08-28 A method of processing materials using a multipath source of laser radiation
PCT/RU2016/000002 WO2017039478A1 (en) 2015-08-28 2016-01-13 Method of treating materials using multibeam laser scanning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015136478A RU2015136478A (en) 2015-08-28 2015-08-28 A method of processing materials using a multipath source of laser radiation

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WO (1) WO2017039478A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739265C1 (en) * 2017-12-26 2020-12-22 Арселормиттал Butt-welding method of two metal sheets by first and second front laser beams and rear laser beam

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111036901A (en) * 2019-12-10 2020-04-21 西安航天发动机有限公司 Selective laser melting forming method for multi-material part
DE102020107800A1 (en) 2020-03-20 2021-09-23 Carl Zeiss Ag MANUFACTURING DEVICE FOR ADDITIVE MANUFACTURING OF AN OBJECT AND METHOD FOR ADDITIVE MANUFACTURING OF AN OBJECT
CN111805181A (en) * 2020-07-20 2020-10-23 石家庄恒融世通电子科技有限公司 Method for preparing preformed soldering lug

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US5393482A (en) * 1993-10-20 1995-02-28 United Technologies Corporation Method for performing multiple beam laser sintering employing focussed and defocussed laser beams
RU2386517C1 (en) * 2008-08-07 2010-04-20 Российская Федерация, от имени которой выступает государственный заказчик - Министерство промышленности и торговли Российской Федерации (Минпромторг России) Method for sintering in laser layer powder synthesis of volume parts
CN105492188B (en) * 2013-06-10 2018-09-11 瑞尼斯豪公司 Selective laser curing apparatus and method
EP2878409B2 (en) * 2013-11-27 2022-12-21 SLM Solutions Group AG Method of and device for controlling an irradiation system
BE1024052B1 (en) * 2013-12-03 2017-11-08 Layerwise N.V. METHOD AND DEVICE FOR CALIBRATING MULTIPLE ENERGY RAYS FOR ADDITIVELY MANUFACTURING AN OBJECT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739265C1 (en) * 2017-12-26 2020-12-22 Арселормиттал Butt-welding method of two metal sheets by first and second front laser beams and rear laser beam

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Effective date: 20180829