JPS57536A - Ultramicro torque measuring device - Google Patents
Ultramicro torque measuring deviceInfo
- Publication number
- JPS57536A JPS57536A JP7455580A JP7455580A JPS57536A JP S57536 A JPS57536 A JP S57536A JP 7455580 A JP7455580 A JP 7455580A JP 7455580 A JP7455580 A JP 7455580A JP S57536 A JPS57536 A JP S57536A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- torque
- measured
- springs
- measurement range
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/14—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft
- G01L3/1407—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs
- G01L3/1428—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers
- G01L3/1435—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers involving magnetic or electromagnetic means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
PURPOSE:To permit arbitrary setting of a measurement range without lowering resolving power and reduce blind zone errors and nonlinear errors by controlling the stresses of balance springs by a bias voltage generating means. CONSTITUTION:Microvoltage of a frequency lower than the natural frequency of a rotating part 1 and sufficiently higher than the speed at which the torque to be measured changes is applied to a positive pole terminal 2e and a negative pole terminal 2f, and this voltage is applied via springs 1a, 1b to a coil 1c. The magnetic field of permanent magnets 2h, 2i passes the coil 1c, and the coil 1c finely vibrates. When the torque to be measured is applied from an object 3 to be measured to the rotating part 1, a pointer 1f stops at the point where the rotating torque and the torque produced by the deformation of the springs 1a, 1b balance. The high frequency voltage which is to be applied to the coil 1c and to which DC bias is added is applied and the torque in a backward direction is beforehand applied to the coil 1c, whereby the measurement range is expanded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7455580A JPS57536A (en) | 1980-06-03 | 1980-06-03 | Ultramicro torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7455580A JPS57536A (en) | 1980-06-03 | 1980-06-03 | Ultramicro torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57536A true JPS57536A (en) | 1982-01-05 |
Family
ID=13550590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7455580A Pending JPS57536A (en) | 1980-06-03 | 1980-06-03 | Ultramicro torque measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57536A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012053044A (en) * | 2010-08-31 | 2012-03-15 | Rolex Sa | Device for measuring torque of balance spring |
-
1980
- 1980-06-03 JP JP7455580A patent/JPS57536A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012053044A (en) * | 2010-08-31 | 2012-03-15 | Rolex Sa | Device for measuring torque of balance spring |
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