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SU545123A1 - Pulse generator for electrical discharge machining - Google Patents

Pulse generator for electrical discharge machining

Info

Publication number
SU545123A1
SU545123A1 SU2025821A SU2025821A SU545123A1 SU 545123 A1 SU545123 A1 SU 545123A1 SU 2025821 A SU2025821 A SU 2025821A SU 2025821 A SU2025821 A SU 2025821A SU 545123 A1 SU545123 A1 SU 545123A1
Authority
SU
USSR - Soviet Union
Prior art keywords
pulse generator
transformer
discharge machining
electrical discharge
pulse
Prior art date
Application number
SU2025821A
Other languages
Russian (ru)
Inventor
В.С. Всильев
М.Ш. Отто
А.Л Лившиц
М.В Кренблюм
В.А. Винник
Б.В Срдюк
В.Н Хмарский
Нв. Кутовой
Не. Прокпьев
В.Е. Лебедев
Original Assignee
Одена Трудового Красного Знамени Экспериментальный Научно-Исследовательский Институт Металлорежущих Станков
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 Одена Трудового Красного Знамени Экспериментальный Научно-Исследовательский Институт Металлорежущих Станков filed Critical Одена Трудового Красного Знамени Экспериментальный Научно-Исследовательский Институт Металлорежущих Станков
Priority to SU2025821A priority Critical patent/SU545123A1/en
Priority to GB23009/75A priority patent/GB1483679A/en
Priority to IT41627/75A priority patent/IT1036618B/en
Priority to FR7516326A priority patent/FR2273409B1/fr
Priority to SE7505962A priority patent/SE402228B/en
Priority to CH679475A priority patent/CH586586A5/xx
Priority to JP50062601A priority patent/JPS51143989A/en
Application granted granted Critical
Publication of SU545123A1 publication Critical patent/SU545123A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
    • B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Description

цепи: средн   точка О первичной обмоткиCircuit: Midpoint About Primary Winding

19импульсного трансформатора 20, часть 21 перви:ч.ной обмотки, одна из обмоток реактора 11, открытый тиристор анодной группы и одна из обмоток согласующего трансформатора /. При зар де конденсатора 23 по первичной обмотке 19 импульсного трансформатора19 impulse transformer 20, part 21 of the first: a winding, one of the windings of the reactor 11, an open anode thyristor and one of the windings of the matching transformer /. When charging the capacitor 23 across the primary winding 19 of the pulse transformer

20протекает ток, который формирует импульс на зажпмах вторичной обмотки 24, подключенной к межэлектродпоиму промежутку. После зар да конденсатора 23 управл ющий импульс подаетс  одновременно на тиристоры20 current flows, which forms a pulse on the power supply terminals of the secondary winding 24 connected to the interelectrode across the gap. After charging the capacitor 23, the control pulse is simultaneously applied to the thyristors

8, 9, 10 катодной группы, и осуществл етс  перезар д конденсатора 23 по цепи: одна из вторичных обмоток согласующего трансформатора 1, открытый тиристор катодной группы , реактор 15 и часть 22 первичной обмотки импульсного трансформатора 20. При перезар дке конденсатора 23 на зажимах вторичной обмотки 3 также формируетс  имцульс напр жени . Включение того или иного тиристора определ етс  фазой питающего напр жени . Частота следовани  импульсов, включающих тиристоры анодной или катодной группы мостового выпр мител , может составл ть несколько дес тко.в килогерц, например 8-25 кГц, а соответствевно та.кова же чаi f S - S-Vo г/7 f;g8, 9, 10 of the cathode group, and the capacitor 23 is recharged along the circuit: one of the secondary windings of the matching transformer 1, the open thyristor of the cathode group, the reactor 15 and the primary winding part 22 of the pulse transformer 20. When the capacitor 23 is recharged at the secondary terminals The winding 3 also forms a voltage pulse. The switching on of one or another thyristor is determined by the phase of the supply voltage. The pulse frequency, including thyristors of the anodic or cathodic group of the bridge rectifier, can be several tens of kilohertz, for example, 8-25 kHz, and correspondingly the same f S - S-Vo g / 7 f; g

стота и силовых импульсов на выходе генератора на зажимах вторичной обмотки импульсного трансформатора 20. Таким образом, предложенный генератор -позвол ет по сравнению с прототипом значительно повысить частоту импульсов на его выходе, а следовательно повысить качество обработки.The output and power pulses at the generator output at the terminals of the secondary winding of the pulse transformer 20. Thus, the proposed generator allows, in comparison with the prototype, to significantly increase the frequency of the pulses at its output, and therefore improve the quality of processing.

Claims (1)

Формула изобретени Invention Formula Генератор импульсо1в дл  электроэрозионной обработки металлов, в котором первичные обмотки трехфазного согласующего трансформатора подключены к питающей сети промышленной частоты, а вторичные, соединенные в звезду, - ко входу мостового выпр мител  па тиристорах, отличающийс  тем, что, с целью повыщени  качества обработки за счет увеличени  частоты следовани  импульсов, в него введен импульсный трансформатор , первична  обмотка которого подключена к выходу указанного мостового выпр мител , причем ее средп   точка св зана через конденсатор с общей точкой вторичных обмотох согласующего трансформатора, а вторична  обмотка подсоединена к межэлектродному промежутку.An impulse generator for electrical erosion processing of metals, in which the primary windings of a three-phase matching transformer are connected to a power supply network of industrial frequency, and the secondary, connected in a star, to the input of a bridge rectifier on thyristors, in order to increase processing quality by increasing pulse frequency, a pulse transformer is introduced into it, the primary winding of which is connected to the output of the specified bridge rectifier, and its midpoint is connected via end ensator to the common point of the secondary obmotoh matching transformer, while the secondary winding is connected to the interelectrode gap. 2323
SU2025821A 1974-05-27 1974-05-27 Pulse generator for electrical discharge machining SU545123A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SU2025821A SU545123A1 (en) 1974-05-27 1974-05-27 Pulse generator for electrical discharge machining
GB23009/75A GB1483679A (en) 1974-05-27 1975-05-23 Pulse generator for electro-erosion machining of current conducting materials
IT41627/75A IT1036618B (en) 1974-05-27 1975-05-26 PULSE GENERATOR FOR THE PROCESSING RATION OF CURRENT CONDUCTOR MATERIALS FOR ELECTROEROSION
FR7516326A FR2273409B1 (en) 1974-05-27 1975-05-26
SE7505962A SE402228B (en) 1974-05-27 1975-05-26 PULSE GENERATOR FOR ELECTRIC EROSION PROCESSING OF POWER CONDUCTIVE MATERIAL
CH679475A CH586586A5 (en) 1974-05-27 1975-05-27
JP50062601A JPS51143989A (en) 1974-05-27 1975-05-27 Pulse generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2025821A SU545123A1 (en) 1974-05-27 1974-05-27 Pulse generator for electrical discharge machining

Publications (1)

Publication Number Publication Date
SU545123A1 true SU545123A1 (en) 1977-06-25

Family

ID=20585053

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2025821A SU545123A1 (en) 1974-05-27 1974-05-27 Pulse generator for electrical discharge machining

Country Status (7)

Country Link
JP (1) JPS51143989A (en)
CH (1) CH586586A5 (en)
FR (1) FR2273409B1 (en)
GB (1) GB1483679A (en)
IT (1) IT1036618B (en)
SE (1) SE402228B (en)
SU (1) SU545123A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149539U (en) * 1977-04-28 1978-11-25
DE2918333A1 (en) * 1979-05-07 1980-11-20 Metacon Ag METALLURGICAL OVEN
IN159046B (en) * 1982-04-22 1987-03-14 Dresser Uk Ltd
JPS6037798U (en) * 1983-05-20 1985-03-15 メタコン　アクチエンゲゼルシヤフト metallurgical furnace

Also Published As

Publication number Publication date
SE402228B (en) 1978-06-26
JPS546311B2 (en) 1979-03-27
FR2273409A1 (en) 1975-12-26
IT1036618B (en) 1979-10-30
FR2273409B1 (en) 1977-04-15
JPS51143989A (en) 1976-12-10
GB1483679A (en) 1977-08-24
SE7505962L (en) 1975-11-28
CH586586A5 (en) 1977-04-15

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