SU1578452A1 - Method of checking thickness of coatings in the process of deposition - Google Patents
Method of checking thickness of coatings in the process of deposition Download PDFInfo
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- SU1578452A1 SU1578452A1 SU874344478A SU4344478A SU1578452A1 SU 1578452 A1 SU1578452 A1 SU 1578452A1 SU 874344478 A SU874344478 A SU 874344478A SU 4344478 A SU4344478 A SU 4344478A SU 1578452 A1 SU1578452 A1 SU 1578452A1
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- SU
- USSR - Soviet Union
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- thickness
- electrophoretic coating
- measurement
- electrically conductive
- test object
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Abstract
Изобретение относитс к измерительной технике и может быть использовано в автоматизированном производстве электрофорезного покрыти , обладающего диэлектрическими свойствами. Цель - повышение точности за счет исключени косвенного измерени и получени информации с самого объекта контрол . В основу способа положен емкостной метод измерени электрофорезных покрытий, когда одним электродом измерительного датчика вл етс электропровод щий корпус объекта контрол , а вторым - корпус ванны, котора заполнена электропровод щим раствором лакокрасочного материала. Емкостной датчик включен в мостовую измерительную схему, запитываемую специальным генератором частотой 10 кГц. Специально подобранна фильтраци дл анодного напр жени электрофорезного покрыти позвол ет непосредственно в процессе осаждени производить измерение толщины электрофорезного покрыти с микрометрической точностью.The invention relates to a measurement technique and can be used in the automated production of an electrophoretic coating with dielectric properties. The goal is to increase accuracy by eliminating indirect measurement and obtaining information from the control object itself. The method is based on the capacitive method of measuring electrophoresis coatings, when one electrode of the measuring sensor is an electrically conductive body of the test object, and the second is the body of the bath, which is filled with an electrically conductive paintwork material. A capacitive sensor is included in the bridge measuring circuit, powered by a special 10 kHz generator. Specially selected filtration for the anode voltage of an electrophoretic coating allows the measurement of the thickness of an electrophoretic coating with micrometric accuracy directly during the deposition process.
Description
Изобретение относитс к измерительной технике и может быть применено в гибком автоматизированном производстве электрофорезного покрыти .The invention relates to a measurement technique and can be applied in a flexible, automated production of an electrophoretic coating.
Цель изобретени - повышение точности при контроле электрофорезного покрыти за счет использовани емкостного измерени и исключени косвенного измерени и получени информационного сигнала с самого объекта контрол .The purpose of the invention is to improve the accuracy in monitoring the electrophoretic coating by using capacitive measurement and eliminating indirect measurement and obtaining an information signal from the control object itself.
Способ реализуетс следующим образом.The method is implemented as follows.
Емкостный датчик -измерител толщины диэлектрическогр электрофорезного покрыти , образованный электродами, электропровод щим корпусом объекта контрол и корпусом ванны злектроосаждени , помещают в электропровод щий раствор водоразбавл е- .мого лакокрасочного материала, включают в одно плечо измерительного моста. Величина емкости датчика зависит от толщины диэлектрического покрыти объекта контрол .A capacitive sensor measuring the thickness of the dielectric electrophoresis coating formed by the electrodes, the electrically conductive body of the test object and the body of the electroplating bath is placed in an electrically conductive solution of water-based paint and varnish material in one shoulder of the measuring bridge. The capacitance value of the sensor depends on the thickness of the dielectric coating of the test object.
Величина образцовой емкости С подбираетс такой, чтобы при достижении заданной толщины покрыти d, с диагонали моста снималс нулевой сигнал, т. е. . Два других плеча запитываютс от генератора синусоидального напр жени частотой 10 кГц со стабилизированной амплитудой. Принцип такой стабилизации заключаетс в сравнении амплитудного значени синусоидального напр жени генератора с опорным посто нным напр жением и сведении этой разницы к нулю.The magnitude of the model capacitance C is chosen such that when a given thickness of coating d is reached, a zero signal is removed from the bridge diagonal, i.e. The other two arms are powered by a 10 kHz sinusoidal voltage generator with stabilized amplitude. The principle of this stabilization is to compare the amplitude value of the sinusoidal voltage of the generator with the reference constant voltage and reduce this difference to zero.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874344478A SU1578452A1 (en) | 1987-12-15 | 1987-12-15 | Method of checking thickness of coatings in the process of deposition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874344478A SU1578452A1 (en) | 1987-12-15 | 1987-12-15 | Method of checking thickness of coatings in the process of deposition |
Publications (1)
Publication Number | Publication Date |
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SU1578452A1 true SU1578452A1 (en) | 1990-07-15 |
Family
ID=21342669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU874344478A SU1578452A1 (en) | 1987-12-15 | 1987-12-15 | Method of checking thickness of coatings in the process of deposition |
Country Status (1)
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SU (1) | SU1578452A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2665356C1 (en) * | 2017-11-16 | 2018-08-29 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Method of thickness control of coating in process of its chemical deposition on a component |
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1987
- 1987-12-15 SU SU874344478A patent/SU1578452A1/en active
Non-Patent Citations (1)
Title |
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Авторское свидетельство СССР № 1305530, кл. G 01 В 7/06, 1985. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2665356C1 (en) * | 2017-11-16 | 2018-08-29 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Method of thickness control of coating in process of its chemical deposition on a component |
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