SU108583A1 - Electromagnetic device for determining the thickness of non-magnetic coatings - Google Patents
Electromagnetic device for determining the thickness of non-magnetic coatingsInfo
- Publication number
- SU108583A1 SU108583A1 SU455433A SU455433A SU108583A1 SU 108583 A1 SU108583 A1 SU 108583A1 SU 455433 A SU455433 A SU 455433A SU 455433 A SU455433 A SU 455433A SU 108583 A1 SU108583 A1 SU 108583A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- thickness
- determining
- magnetic coatings
- electromagnetic device
- core
- Prior art date
Links
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
Предметом изобретени вл етс получающий питание от сети переменного тока электромагнитный прибор, действие которого основано на измерении силы тока отрыва сердечника электромагнита от поверхности издели , предназначенный дл определени толщины немагнитных покрытий на детал х из ферромагнитного материала, с содержанием углерода до 1 %.The subject of the invention is an electromagnetic device powered by an alternating current network, which is based on measuring the current strength of the electromagnet core from the surface of the product, designed to determine the thickness of non-magnetic coatings on parts of a ferromagnetic material with a carbon content of up to 1%.
Известные электромагнитные приборы дл определени толщины немагнитных покрытий недостаточно стабильны в действии и могут быть использованы только дл измерени толщины покрыти на издели х оп ределенного профил .The known electromagnetic devices for determining the thickness of non-magnetic coatings are not sufficiently stable in operation and can only be used to measure the thickness of the coating on the products of a specific profile.
Особенностью предлагаемого прибора вл етс применение сердечника игольчатой формы с диаметром наконечника, равным 1,5 мм, и конусной намотки катущки датчика, спр мл ющей щкалу.The peculiarity of the proposed device is the use of a needle-shaped core with a tip diameter of 1.5 mm and a cone winding of the sensor coil, which guides the gauge.
Такое выполнение прибора позвол ет достичь независимости показаний его от профил детали при радиусе кривизны не менее 1,5 мм и повысить чувствительность измерений.Such an embodiment of the device makes it possible to achieve independence of its readings from the part profile with a radius of curvature of at least 1.5 mm and to increase the sensitivity of measurements.
На чертеже показан электромагнит прибора с игольчатым сердечником / и конусной намоткой катущки датчика 2, спр мл ющей щкалу и повышающей чувствительность измерений. К рабочему концу сердечника / прикреплен щарик 5.The drawing shows an electromagnet of a device with a needle core / and the tapered winding of the sensor 2 coil, which guides the probe and increases the measurement sensitivity. To the working end of the core / ball 5 is attached.
Кроме электромагнита, прибор включает и другие обычные элементы дл электромагнитных измерений толщины покрытий, не показанные на фигуре понижающий трансформатор, автотрансформатор дл регулировани силы тока, сигнализатор с лампой, фиксирующей момент отрыва сердечника электромагнита от поверхности детали, миллиамперметр , предназначенный дл измерени толщины покрытий по силе тока.In addition to an electromagnet, the device includes other conventional elements for electromagnetic measurements of coating thickness, a step-down transformer, not shown in the figure, an autotransformer for controlling the current, a signaling device with a lamp fixing the moment of breaking the electromagnet core from the surface of the part, a milliammeter, for measuring the thickness of the coatings by force current.
Предлагаемый прибор может найти применение дл контрол толщины металлических (цинк, кадмий, медь, хром) и неметаллических (лаки, эмали, фосфатна пленка) немагнитных покрытий.The proposed device can be used to control the thickness of metallic (zinc, cadmium, copper, chromium) and non-metallic (varnishes, enamels, phosphate films) non-magnetic coatings.
Предмет изобретени Subject invention
Электромагнитный прибор дл определени толщины немагнитных покрытий на детал х из ферромагнитного материала, основанный на измерении силы тока отрыва сердечника от испытуемого издели и получающий питание от сети переменного тока, отличающийс тем, что, с целью достижени независимости показаний прибора от профил детали при радиусе кривизны не менее 1,5 мм и повыщени чувствительности измерений, в нем применены сердечники игольчатой формы и конусна намотка катущки датчика, спр мл юща щкалу.Electromagnetic device for determining the thickness of non-magnetic coatings on parts made of ferromagnetic material, based on measuring the current strength of the core from the test product and receiving power from an AC network, characterized in that, in order to achieve independence of the instrument readings from the part profile with a radius of curvature not less than 1.5 mm and increase the sensitivity of measurements, it uses needle-shaped cores and tapered winding of the sensor's coil, which directs the gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU455433A SU108583A1 (en) | 1954-12-23 | 1954-12-23 | Electromagnetic device for determining the thickness of non-magnetic coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU455433A SU108583A1 (en) | 1954-12-23 | 1954-12-23 | Electromagnetic device for determining the thickness of non-magnetic coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU108583A1 true SU108583A1 (en) | 1956-11-30 |
Family
ID=48381685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU455433A SU108583A1 (en) | 1954-12-23 | 1954-12-23 | Electromagnetic device for determining the thickness of non-magnetic coatings |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU108583A1 (en) |
-
1954
- 1954-12-23 SU SU455433A patent/SU108583A1/en active
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