CN101963535B - Radial force measurement method for measuring radial force value of lip-shaped sealing ring thereof - Google Patents
Radial force measurement method for measuring radial force value of lip-shaped sealing ring thereof Download PDFInfo
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- CN101963535B CN101963535B CN 201010274222 CN201010274222A CN101963535B CN 101963535 B CN101963535 B CN 101963535B CN 201010274222 CN201010274222 CN 201010274222 CN 201010274222 A CN201010274222 A CN 201010274222A CN 101963535 B CN101963535 B CN 101963535B
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Abstract
The invention relates to sealing technology, in particular to a radial force measurement instrument and a method for measuring the radial force value of a lip-shaped sealing ring thereof. The radial force measurement instrument comprises a two-half partition combined shaft, a two-half partition combined shaft base and a control panel, wherein a fastening adjusting screw is arranged on the two-half partition combined shaft base, and the two-half partition combined shaft base is moved by adjusting the fastening adjusting screw so that the two-half partition combined shaft placed on the two-halfpartition combined shaft base forms a circumference structure and then is assembled and fastened; and a time counter, an automatic and manual switch, a zero clearing button, a power supply switch, a display screen, a red indicating lamp and a green indicating lamp are arranged on the control panel. The method for measuring the radial force value of the lip-shaped sealing ring is specified so thatthe radial force value of the lip-shaped sealing ring is measured under the specified conditions, the accuracy of the radial force measurement value is ensured, the quality control level in the sealing ring manufacturing process is improved, the comprehensive rejection rate is reduced, the sealing performance of the sealing ring is stabilized, the service life of the sealing ring is prolonged, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of Sealing Technology, its lip-type packing radial force values determination method of especially a kind of radial force analyzer.
Background technology
Radial force is a key factor that influences the lip-type packing performance, also is a leading indicator in the control of the O-ring seal quality of production, the excessive or too small sealing property and the mission life that all can influence O-ring seal of the value of radial force; And the assay method correctness of radial force value influences the accuracy of its radial force measured value of measured seal ring again.For this reason, need the assay method of standard lip-type packing radial force value, make the measured seal ring radial force can under defined terms, measure and the collection of data.
Summary of the invention
Its lip-type packing radial force values determination method of a kind of radial force analyzer of the present invention; Its standard the assay method of lip-type packing radial force value; Make lip-type packing radial force value can under defined terms, measure and the collection of data; Guarantee the accuracy of radial force measured value, improved the quality control level in the O-ring seal manufacture process, reduced comprehensive rejection rate; Can be used as the sampling assay method standard of bulk article radial force value in addition, to the sealing property of stabilized seal circle with the serviceable life of improving O-ring seal and enhance productivity and have vital role.
The technical scheme that the present invention adopted is:
1, its lip-type packing radial force values determination method of a kind of radial force analyzer; Said radial force analyzer comprises that two halves are cut apart built-up shaft, two halves are cut apart built-up shaft base and control panel; Two halves are cut apart the built-up shaft base and are provided with fastening adjustment screws; Thereby move two halves and cut apart the built-up shaft base through regulating fastening adjustment screws, when making that being placed on two halves cuts apart two halves on the built-up shaft base and cut apart built-up shaft formation circle configurations, install fastening; Control panel is provided with time counter, reaches hand switch, reset button, power switch, display screen, red led and green indicating lamp automatically; Described radial force analyzer, its two halves are cut apart the built-up shaft base and are arranged on the control panel; Described radial force analyzer, its two halves are cut apart size and the interchangeable corresponding with the diameter of measured piece of built-up shaft, during test measured piece are packed into and are cut apart in the circle configurations that built-up shaft is combined to form by two halves; Described radial force analyzer, it is digital display type, its inside is provided with analog-digital commutator, measured simulating signal is changed into digital signal show output; It is characterized in that:
The first step; Two halves are installed are cut apart built-up shaft: install with the corresponding two halves of sample to be tested lip seal loop diameter and cut apart built-up shaft; Move two halves through the adjusting fastening adjustment screws and cut apart the built-up shaft base, make when two halves are cut apart built-up shaft formation circle configurations, install fastening;
In second step, energized: open power switch device, the power switch pilot lamp is bright;
The 3rd step, zero-bit adjustment: press reset button, display screen is carried out the zero-bit adjustment, make it be shown as 0.0 state;
In the 4th step, mode is selected: switch the mensuration mode through reaching hand switch automatically;
The 5th step, setting-up time: set minute through time counter;
The 6th step; Sample is installed: two vertical direction are carried out in the sample to be tested lip-type packing, i.e. directions X and Y direction, mark; Again with the mark of sample to be tested lip-type packing, steadily be inserted in two halves and cut apart in the circle configurations that built-up shaft is combined to form according to directions X;
In the 7th step, force value tests: time counter starts, and red led is bright, begins to have the numeral demonstration of beating on the display screen, follows instrumentation radial force value simultaneously;
In the 8th step, record data: after reaching the time of setting, the time counter timing stops, and red led goes out; Green indicating lamp is bright, the numerical stability that shows on the display screen, record data; Take off the tested sample lip-type packing, green indicating lamp goes out, and radial force value instrumentation finishes;
The 9th step, the adjustment direction: with the tested sample lip-type packing take off park after,, again it steadily is inserted in two halves and cuts apart in the circle configurations that built-up shaft is combined to form its half-twist according to the ready-made mark of institute;
In the tenth step, continue test: do the radial force power value instrumentation of Y direction, repeated for the 3rd step to the 5th step, and the 7th step and the 8th step;
The 11 step, data processing: calculate the X of tested sample lip-type packing, the arithmetic mean of radial force value that the Y both direction is measured, be the radial force value of this tested sample lip-type packing, be its static complete all radial force value.
Its lip-type packing radial force values determination method of described radial force analyzer, it gets the mensuration result of the arithmetic mean of the radial force value that 6 sample lip-type packings are measured as its radial force value of this batch lip-type packing.
Its lip-type packing radial force values determination method of described radial force analyzer, its mode are selected to switch the mensuration mode to automated manner through reaching hand switch automatically in the step.
Its lip-type packing radial force values determination method of described radial force analyzer; Setting minute through time counter in its setting-up time step is 20 seconds, and the time of in the adjustment direction step tested sample lip seal circle being parked at normal temperatures is more than 4 minutes.
Its lip-type packing radial force values determination method of described radial force analyzer, but its radial force value indication range is 0-± 9999 newton, but the scope of radial force measured value is＞6.0 newton.
Its lip-type packing radial force values determination method of described radial force analyzer, its sample lip seal circle adopts elastomeric material, and for being with spring or not being with spring structure.
Its lip-type packing radial force values determination method of a kind of radial force analyzer of the present invention; Its standard the assay method of lip-type packing radial force value; Make lip-type packing radial force value can under defined terms, measure and the collection of data; Guarantee the accuracy of radial force measured value, improved the quality control level in the O-ring seal manufacture process, reduced comprehensive rejection rate; Can be used as the sampling assay method standard of bulk article radial force value in addition, to the sealing property of stabilized seal circle with the serviceable life of improving O-ring seal and enhance productivity and have vital role.
Description of drawings
Fig. 1 is a radial force analyzer structural representation of the present invention.
Wherein, 1 two halves are cut apart built-up shaft, and 2 is the sample lip-type packing, and 3 is fastening adjustment screws; 4 cut apart the built-up shaft base for two halves, and 5 is time counter, and 6 is control panel; 7 is to reach hand switch automatically, and 8 is reset button, and 9 is power switch; 10 is red led, and 11 is display screen, and 12 is green indicating lamp.
Embodiment
As shown in Figure 1; Its lip-type packing radial force values determination method of a kind of radial force analyzer; Said radial force analyzer comprises that two halves are cut apart built-up shaft 1, two halves are cut apart built-up shaft base 4 and control panel 6, and two halves are cut apart built-up shaft base 4 and are provided with fastening adjustment screws 3, cuts apart built-up shaft base 4 thereby move two halves through adjusting fastening adjustment screws 3; When making that be placed on two halves cuts apart two halves on the built-up shaft base 4 and cut apart built-up shaft 1 and form circle configurations, install fastening; Control panel 6 is provided with time counter 5, reaches hand switch 7, reset button 8, power switch 9, display screen 11, red led 10 and green indicating lamp 12 automatically.Two halves are cut apart built-up shaft base 4 and are arranged on the control panel 6; Two halves are cut apart size and the interchangeable corresponding with the diameter of measured piece of built-up shaft 1, during test measured piece are packed into and are cut apart in the circle configurations that built-up shaft 1 is combined to form by two halves; The radial force analyzer is digital display type, and its inside is provided with analog-digital commutator, measured simulating signal is changed into digital signal show output through display screen 11; Its lip-type packing radial force values determination method of described a kind of radial force analyzer:
The first step; Two halves are installed are cut apart built-up shaft: install with the corresponding two halves of sample to be tested lip-type packing 2 diameters and cut apart built-up shaft 1; Move two halves through adjusting fastening adjustment screws 3 and cut apart built-up shaft base 4, make when two halves are cut apart built-up shaft 1 formation circle configurations, install fastening;
In second step, energized: open power switch device 9, the power switch pilot lamp is bright;
The 3rd step, zero-bit adjustment: press reset button 8, display screen 11 is carried out the zero-bit adjustment, make it be shown as 0.0 state;
In the 4th step, mode is selected: switch the mensuration modes to automated manner through reaching hand switch 7 automatically;
In the 5th step, setting-up time: setting minute through time counter 5 is 20 seconds;
The 6th step; Sample is installed: two vertical direction are carried out in sample to be tested lip-type packing 2, i.e. directions X and Y direction, mark; Again with the mark of sample to be tested lip-type packing 2, steadily be inserted in two halves and cut apart in the circle configurations that built-up shaft 1 is combined to form according to directions X;
In the 7th step, force value tests: time counter 5 starts, and red led 10 is bright, begins to have the numeral demonstration of beating on the display screen 11, follows instrumentation radial force value simultaneously;
In the 8th step, record data: after reaching the time of setting, time counter 5 timing stop, and red led 10 goes out; Green indicating lamp 12 is bright, the numerical stability that shows on the display screen 11, record data; Take off tested sample lip-type packing 2, green indicating lamp 12 goes out, and radial force value instrumentation finishes;
The 9th step, adjustment direction: after tested sample lip-type packing 2 taken off the time of parking at normal temperatures more than 4 minutes, with its half-twist, again it steadily is inserted in two halves and cuts apart in the circle configurations that built-up shaft 1 is combined to form according to the ready-made mark of institute;
In the tenth step, continue test: do the radial force power value instrumentation of Y direction, repeated for the 3rd step to the 5th step, and the 7th step and the 8th step;
The 11 step, data processing: calculate the X of tested sample lip-type packing 2, the arithmetic mean of radial force value that the Y both direction is measured, be the radial force value of this tested sample lip-type packing 2, be its static complete all radial force value.
Here, sample lip seal circle 2 adopts elastomeric material, and for not being with spring structure.Getting 6 models is 100X125X12, and promptly the product nominal size is: internal diameter Φ 100, external diameter Φ 125, height 12, unit: mm; Sample lip-type packing 2, its radial force value of measuring is respectively: 13.7,13,13.8; 13.6,13.6,14.2, unit is newton.The arithmetic mean of the radial force value of above sample lip-type packing 2 is 13.65, and unit is newton, is the mensuration result of this batch lip-type packing 2 its radial force values.Be 14.2 by the radial force value maximal value of measuring in addition, minimum value is 13, can know, the maximum mean deviation rate of the radial force value of mensuration is 4.76%, and the minimum average B configuration deviation ratio is 4.03%.
As shown in Figure 1, embodiment 1 its lip-type packing radial force values determination method of described a kind of radial force analyzer is characterized in that:
The first step; Two halves are installed are cut apart built-up shaft: install with the corresponding two halves of sample to be tested lip-type packing 2 diameters and cut apart built-up shaft 1; Move two halves through adjusting fastening adjustment screws 3 and cut apart built-up shaft base 4, make when two halves are cut apart built-up shaft 1 formation circle configurations, install fastening;
In second step, energized: open power switch device 9, the power switch pilot lamp is bright;
The 3rd step, zero-bit adjustment: press reset button 8, display screen 11 is carried out the zero-bit adjustment, make it be shown as 0.0 state;
In the 4th step, mode is selected: switch the mensuration modes to automated manner through reaching hand switch 7 automatically;
In the 5th step, setting-up time: setting minute through time counter 5 is 20 seconds;
The 6th step; Sample is installed: two vertical direction are carried out in sample to be tested lip-type packing 2, i.e. directions X and Y direction, mark; Again with the mark of sample to be tested lip-type packing 2, steadily be inserted in two halves and cut apart in the circle configurations that built-up shaft 1 is combined to form according to directions X;
In the 7th step, force value tests: time counter 5 starts, and red led 10 is bright, begins to have the numeral demonstration of beating on the display screen 11, follows instrumentation radial force value simultaneously;
In the 8th step, record data: after reaching the time of setting, time counter 5 timing stop, and red led 10 goes out; Green indicating lamp 12 is bright, the numerical stability that shows on the display screen 11, record data; Take off tested sample lip-type packing 2, green indicating lamp 12 goes out, and radial force value instrumentation finishes;
The 9th step, adjustment direction: after tested sample lip-type packing 2 taken off the time of parking at normal temperatures more than 4 minutes, with its half-twist, again it steadily is inserted in two halves and cuts apart in the circle configurations that built-up shaft 1 is combined to form according to the ready-made mark of institute;
In the tenth step, continue test: do the radial force power value instrumentation of Y direction, repeated for the 3rd step to the 5th step, and the 7th step and the 8th step;
The 11 step, data processing: calculate the X of tested sample lip-type packing 2, the arithmetic mean of radial force value that the Y both direction is measured, be the radial force value of this tested sample lip-type packing 2, be its static complete all radial force value.
Here, sample lip seal circle 2 adopts elastomeric material, and for not being with spring structure.Getting 8 models is 100X125X12, and promptly the product nominal size is internal diameter Φ 100, external diameter Φ 125, height 12, unit: mm; Sample lip-type packing 2, its radial force value of measuring is respectively: 13.7,13,13.8,13.6; 13.6,14.2,13.5,14.1, unit is newton.The arithmetic mean of the radial force value of above sample lip-type packing 2 is 13.69, and unit is newton, is the mensuration result of this batch lip-type packing 2 its radial force values.Be 14.2 by the radial force value maximal value of measuring in addition, minimum value is 13, can know, the maximum mean deviation rate of the radial force value of mensuration is 5.02%, and the minimum average B configuration deviation ratio is 3.74%.
As shown in Figure 1, embodiment 1 its lip-type packing radial force values determination method of described a kind of radial force analyzer is characterized in that:
The first step; Two halves are installed are cut apart built-up shaft: install with the corresponding two halves of sample to be tested lip-type packing 2 diameters and cut apart built-up shaft 1; Move two halves through adjusting fastening adjustment screws 3 and cut apart built-up shaft base 4, make when two halves are cut apart built-up shaft 1 formation circle configurations, install fastening;
In second step, energized: open power switch device 9, the power switch pilot lamp is bright;
The 3rd step, zero-bit adjustment: press reset button 8, display screen 11 is carried out the zero-bit adjustment, make it be shown as 0.0 state;
In the 4th step, mode is selected: switch the mensuration modes to automated manner through reaching hand switch 7 automatically;
In the 5th step, setting-up time: setting minute through TIME time counter 5 is 20 seconds;
The 6th step; Sample is installed: two vertical direction are carried out in sample to be tested lip-type packing 2, i.e. directions X and Y direction, mark; Again with the mark of sample to be tested lip-type packing 2, steadily be inserted in two halves and cut apart in the circle configurations that built-up shaft 1 is combined to form according to directions X;
In the 7th step, force value tests: time counter 5 starts, and red led 10 is bright, begins to have the numeral demonstration of beating on the display screen 11, follows instrumentation radial force value simultaneously;
In the 8th step, record data: after reaching the time of setting, time counter 5 timing stop, and red led 10 goes out; Green indicating lamp 12 is bright, the numerical stability that shows on the display screen 11, record data; Take off tested sample lip-type packing 2, green indicating lamp 12 goes out, and radial force value instrumentation finishes;
The 9th step, adjustment direction: after tested sample lip-type packing 2 taken off the time of parking at normal temperatures more than 4 minutes, with its half-twist, again it steadily is inserted in two halves and cuts apart in the circle configurations that built-up shaft 1 is combined to form according to the ready-made mark of institute;
In the tenth step, continue test: do the radial force power value instrumentation of Y direction, repeated for the 3rd step to the 5th step, and the 7th step and the 8th step;
The 11 step, data processing: calculate the X of tested sample lip-type packing 2, the arithmetic mean of radial force value that the Y both direction is measured, be the radial force value of this tested sample lip-type packing 2, be its static complete all radial force value.
Here, sample lip seal circle 2 adopts elastomeric material, and for not being with spring structure.Getting 11 models is 50X72X8, and promptly the product nominal size is: internal diameter Φ 50, external diameter Φ 72, height 8, unit: mm; Sample lip-type packing 2, its radial force value of measuring is respectively: 11.3,12.7,12.9,12.3; 13.2,11.5,12.9,12.1; 12.6,12.3,11.6, unit is newton.The arithmetic mean of the radial force value of above sample lip-type packing 2 is 12.31, and unit is newton, is the mensuration result of this batch lip-type packing 2 its radial force values.Be 13.2 by the radial force value maximal value of measuring in addition, minimum value is 11.3, can know, the maximum mean deviation rate of the radial force value of mensuration is 8.2%, and the minimum average B configuration deviation ratio is 7.24%.
Its lip-type packing radial force values determination method of a kind of radial force analyzer of the present invention; Its standard the assay method of lip-type packing radial force value; Make lip-type packing radial force value can under defined terms, measure and the collection of data; Guarantee the accuracy of radial force measured value, improved the quality control level in the O-ring seal manufacture process, reduced comprehensive rejection rate; Can be used as the sampling assay method standard of bulk article radial force value in addition, to the sealing property of stabilized seal circle with the serviceable life of improving O-ring seal and enhance productivity and have vital role.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all embodiments.Conspicuous variation that every technical scheme that belongs to the utility model is extended out or change still are in the row of the protection domain of the utility model.
Claims (6)
1. its lip-type packing radial force values determination method of radial force analyzer; Said radial force analyzer comprises that two halves are cut apart built-up shaft (1), two halves are cut apart built-up shaft base (4) and control panel (6); Two halves are cut apart built-up shaft base (4) and are provided with fastening adjustment screws (3); Thereby move two halves and cut apart built-up shaft base (4) through regulating fastening adjustment screws (3), when making that being placed on two halves cuts apart two halves on the built-up shaft base (4) and cut apart built-up shaft (1) formation circle configurations, install fastening; Control panel (6) is provided with time counter (5), reaches hand switch (7), reset button (8), power switch (9), display screen (11), red led (10) and green indicating lamp (12) automatically; Two halves are cut apart built-up shaft base (4) and are arranged on the control panel (6); Two halves are cut apart the size of built-up shaft (1) and the corresponding and interchangeable of diameter of tested sample lip-type packing (2), during test tested sample lip-type packing (2) are packed into and are cut apart in the circle configurations that built-up shaft (1) is combined to form by two halves; It is digital display type, and its inside is provided with analog-digital commutator, measured simulating signal is changed into digital signal show output through display screen (11); It is characterized in that:
The first step; Two halves are installed are cut apart built-up shaft: install with the corresponding two halves of tested sample lip-type packing (2) diameter and cut apart built-up shaft (1); Cut apart built-up shaft base (4) through regulating the mobile two halves of fastening adjustment screws (3), make when two halves are cut apart built-up shaft (1) formation circle configurations, install fastening;
In second step, energized: open power switch device (9), the power switch pilot lamp is bright;
The 3rd step, zero-bit adjustment: press reset button (8), display screen (11) is carried out the zero-bit adjustment, make it be shown as 0.0 state;
In the 4th step, mode is selected: switch the mensuration mode through reaching hand switch (7) automatically;
The 5th step, setting-up time: set minute through time counter (5);
The 6th step; Sample is installed: two vertical direction are carried out in tested sample lip-type packing (2); Be the mark of directions X and Y direction,, steadily be inserted in two halves and cut apart in the circle configurations that built-up shaft (1) is combined to form again with the mark of tested sample lip-type packing (2) according to directions X;
In the 7th step, force value tests: time counter (5) starts, and red led (10) is bright, begins to have the numeral demonstration of beating on the display screen (11), follows instrumentation radial force value simultaneously;
In the 8th step, record data: after reaching the time of setting, time counter (5) timing stops; Red led (10) goes out, and green indicating lamp (12) is bright, and display screen (11) is gone up the numerical stability that shows; Record data; Take off tested sample lip-type packing (2), green indicating lamp (12) goes out, and radial force value instrumentation finishes;
The 9th step, the adjustment direction: with tested sample lip-type packing (2) take off park after,, again it steadily is inserted in two halves and cuts apart in the circle configurations that built-up shaft (1) is combined to form its half-twist according to the ready-made mark of institute;
In the tenth step, continue test: do the radial force power value instrumentation of Y direction, repeated for the 3rd step to the 5th step, and the 7th step and the 8th step;
The 11 step, data processing: calculate the X of tested sample lip-type packing (2), the arithmetic mean of radial force value that the Y both direction is measured, be the radial force value of this tested sample lip-type packing (2), be its static complete all radial force value.
2. its lip-type packing radial force values determination method of radial force analyzer according to claim 1 is characterized in that: get the mensuration result of the arithmetic mean of the radial force value that 6 tested sample lip-type packings (2) are measured as its radial force value of this batch tested sample lip-type packing (2).
3. its lip-type packing radial force values determination method of radial force analyzer according to claim 1 is characterized in that: mode is selected to switch the mensuration mode to automated manner through reaching hand switch (7) automatically in the step.
4. its lip-type packing radial force values determination method of radial force analyzer according to claim 1; It is characterized in that: setting minute through time counter (5) in the setting-up time step is 20 seconds, and the time of in the adjustment direction step tested sample lip-type packing (2) being parked at normal temperatures is more than 4 minutes.
5. its lip-type packing radial force values determination method of radial force analyzer according to claim 1 is characterized in that: but radial force value indication range is 0-± 9999 newton, but the scope of radial force measured value is＞6.0 newton.
6. its lip-type packing radial force values determination method of radial force analyzer according to claim 1 is characterized in that: elastomeric material is adopted in tested sample lip-type packing (2), and for being with spring or not being with spring structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010274222 CN101963535B (en) | 2010-09-07 | 2010-09-07 | Radial force measurement method for measuring radial force value of lip-shaped sealing ring thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010274222 CN101963535B (en) | 2010-09-07 | 2010-09-07 | Radial force measurement method for measuring radial force value of lip-shaped sealing ring thereof |
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| CN101963535A CN101963535A (en) | 2011-02-02 |
| CN101963535B true CN101963535B (en) | 2012-12-05 |
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| CN 201010274222 Expired - Fee Related CN101963535B (en) | 2010-09-07 | 2010-09-07 | Radial force measurement method for measuring radial force value of lip-shaped sealing ring thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076170B (en) * | 2013-01-10 | 2015-10-28 | 哈尔滨东安发动机（集团）有限公司 | Radial graphite-seal ring elasticity measuring device |
| CN106907336B (en) * | 2017-03-13 | 2019-04-30 | 江苏大学 | A kind of mixed-flow pump impeller instantaneous radial measuring device and method |
| CN108151942A (en) * | 2018-01-30 | 2018-06-12 | 湖州职业技术学院 | A kind of sealing ring radial load testboard |
| CN111157159B (en) * | 2020-01-13 | 2021-10-22 | 宁波高新区琪明机械设备有限公司 | Oil seal radial force testing method |
| CN113310648B (en) * | 2021-03-25 | 2022-09-20 | 吉林大学 | Piston ring circumference radial elasticity detection device |
| CN113432767A (en) * | 2021-06-17 | 2021-09-24 | 人本股份有限公司 | Device for testing lip pressing force of bearing sealing element |
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|---|---|---|---|---|
| US3447361A (en) * | 1966-01-31 | 1969-06-03 | Freudenberg Carl | Method and apparatus for testing fluid seals or the like |
| DE2747262A1 (en) * | 1977-10-21 | 1979-04-26 | Kupfer Asbest Co | Radial force meter for annular test objects - uses ring seating and spreading plug with two halves and measured gap |
| CN2049774U (en) * | 1988-11-25 | 1989-12-20 | 陈宗绂 | Dynamic measurer for oil seal radical force |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2444036A1 (en) * | 1974-09-14 | 1976-03-25 | Volkswagenwerk Ag | Shaft sealing ring testing device - measures inwardly directed radial force by longitudinally split mandrel for ring stretching |
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- 2010-09-07 CN CN 201010274222 patent/CN101963535B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US3447361A (en) * | 1966-01-31 | 1969-06-03 | Freudenberg Carl | Method and apparatus for testing fluid seals or the like |
| DE2747262A1 (en) * | 1977-10-21 | 1979-04-26 | Kupfer Asbest Co | Radial force meter for annular test objects - uses ring seating and spreading plug with two halves and measured gap |
| CN2049774U (en) * | 1988-11-25 | 1989-12-20 | 陈宗绂 | Dynamic measurer for oil seal radical force |
Non-Patent Citations (2)
| Title |
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| 刘洪清.扩大YJ-Ⅱ型油封径向力测定仪测量范围.《计量技术》.1994,(第6期),11-13. * |
| 金喜平,缪宇.现代油封径向力测试技术及装置.《沈阳工业大学学报》.1986,第8卷(第2期),37-44. * |
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