SU402917A1 - METHOD FOR DETERMINING THE LIFETIME OF A MAGNETIC SERVICE - Google Patents
METHOD FOR DETERMINING THE LIFETIME OF A MAGNETIC SERVICEInfo
- Publication number
- SU402917A1 SU402917A1 SU1696232A SU1696232A SU402917A1 SU 402917 A1 SU402917 A1 SU 402917A1 SU 1696232 A SU1696232 A SU 1696232A SU 1696232 A SU1696232 A SU 1696232A SU 402917 A1 SU402917 A1 SU 402917A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- determining
- service life
- inductance
- lifetime
- magnetic
- Prior art date
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
1one
Изобретение относитс к области приборостроени и может быть использовано дл определени срока службы магнитных головок , примен ющихс в аппаратуре магнитной записи.The invention relates to the field of instrumentation and can be used to determine the service life of magnetic heads used in magnetic recording equipment.
Известен способ определени срока службы магнитных головок, путем оценки уменьшени глубины рабочего зазора. В этом случае определ ют срок службы головки путем измерени ее индуктивности в начале и в коппе временного интервала, по своей величине меньшего максимального срока службы головки , и умножают величину этого временного интервала на отношение максимально допустимого изменени индуктивности к изменению индуктивности в течение этого интервала . There is a method for determining the service life of magnetic heads, by estimating a decrease in the depth of the working gap. In this case, the service life of the head is determined by measuring its inductance at the beginning and in the kappa of the time interval, which is smaller than the maximum service life of the head, and multiplies this time interval by the ratio of the maximum permissible inductance change to the inductance change during this interval.
Однако при таком способе на измерени необходимо затрачивать много времени, а сам процесс измерени весьма сложен. Кроме того, сокращаетс срок службы магнитных головок на величину временного интервала, в течение которого провод тс измерени индуктивности .However, with this method, it is necessary to spend a lot of time on measurements, and the measurement process itself is very complicated. In addition, the service life of the magnetic heads is reduced by the amount of the time interval during which inductance measurements are made.
Дл ускорени и упрощени процесса измерени требуемых параметров при определении и продлепии срока службы магнитных головок предлагаетс способ, по которому определ ют разность между измеренной индуктивностью и максимально допустимой величиной изменени последней и осуществл ют деление указанной разности на величину изменени индуктивности в единицу времени,To speed up and simplify the process of measuring the required parameters when determining and prolonging the service life of magnetic heads, a method is proposed by which the difference between the measured inductance and the maximum permissible change in the last is determined and the said difference is divided by the change in inductance per unit of time,
предварительно определенную по эталонной магнитной головке.pre-determined by reference magnetic head.
При реализации описываемого способа необходимо па эталонной головке производить измерени индуктивности в начале и в концеWhen implementing the described method, it is necessary to make inductance measurements at the beginning and at the end of the reference head.
временного интервала, который должен быть меньше срока службы рабочей головки.time interval, which must be less than the service life of the working head.
Предмет н з о б р е т е н и Subject N o d e b e
Снособ определени срока службы магнитных головок путем пзмерени их индуктивности и оценки уменьшени глубины рабочего зазора в течение временного интервала, меньшего максимального срока службы головок,A method for determining the service life of magnetic heads by measuring their inductance and estimating a decrease in the depth of the working gap during a time interval smaller than the maximum service life of the heads,
отличающийс тем, что, с целью ускорени и упрощени нроцесса измерени требуемых параметров при определении и продлении срока службы головок, определ ют разпость между измеренной индуктивностью и максимально допустимой величиной изменени последпей н осуществл ют деление указаиной разности на величину изменени индуктивности в единицу времени, предварительно определенную по эталонной магнитной головке.characterized in that, in order to speed up and simplify the process of measuring the required parameters in determining and extending the service life of the heads, the difference between the measured inductance and the maximum permissible change in the afterbirth is determined by dividing the pointer by the change in inductance per unit time predetermined on the reference magnetic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1696232A SU402917A1 (en) | 1971-08-16 | 1971-08-16 | METHOD FOR DETERMINING THE LIFETIME OF A MAGNETIC SERVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1696232A SU402917A1 (en) | 1971-08-16 | 1971-08-16 | METHOD FOR DETERMINING THE LIFETIME OF A MAGNETIC SERVICE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU402917A1 true SU402917A1 (en) | 1973-10-19 |
Family
ID=20487599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1696232A SU402917A1 (en) | 1971-08-16 | 1971-08-16 | METHOD FOR DETERMINING THE LIFETIME OF A MAGNETIC SERVICE |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU402917A1 (en) |
-
1971
- 1971-08-16 SU SU1696232A patent/SU402917A1/en active
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