CN109724922B - Detection method of soft magnetic stripe dust falling detection device - Google Patents

Detection method of soft magnetic stripe dust falling detection device Download PDF

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CN109724922B
CN109724922B CN201811533642.2A CN201811533642A CN109724922B CN 109724922 B CN109724922 B CN 109724922B CN 201811533642 A CN201811533642 A CN 201811533642A CN 109724922 B CN109724922 B CN 109724922B
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cylinder
magnetic
magnetic ring
cotton cloth
soft magnetic
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CN109724922A (en
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何俊
陈林
王文顶
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Anhui Higasket Plastics Co ltd
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Anhui Higasket Plastics Co ltd
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Abstract

The invention discloses a detection method of a soft magnetic stripe dust falling detection device, wherein the detection device comprises a flat plate, a bracket, a cylinder with a magnetic ring, an air pipe, an electromagnetic valve, an air supply pump, a clamping seat, a guide rod, an annular weight block, a friction head, a magnetic stripe clamping plate, an annular clamping hoop, standard cotton cloth, a magnetic switch and a control counter. The detection method comprises the following steps: the method comprises the following steps of intercepting a soft magnetic strip with a certain length, installing the soft magnetic strip on a magnetic strip clamping plate, wrapping standard cotton cloth on a lower end guide rod friction head, clamping the standard cotton cloth by using an annular clamping hoop, selecting a standard annular weight block, installing and fixing the annular weight block on a guide rod, setting the number of times of controlling a counter to instruct a cylinder to reciprocate, starting a detection device to work, taking down the standard cotton cloth after stopping, and comparing the standard cotton cloth with a Ringelmann blackness card. The method has the advantages of accurate detection, no need of damaging the soft magnetic stripe, simple and convenient operation, capability of qualitatively and quantitatively evaluating the actual ash falling condition of the soft magnetic stripe, and suitability for popularization and use in the detection of the ash falling condition of the magnetic stripe.

Description

Detection method of soft magnetic stripe dust falling detection device
Technical Field
The invention relates to the field of a magnetic stripe ash drop detection method, and particularly belongs to a detection method of a soft magnetic stripe ash drop detection device.
Background
The soft magnetic stripe is mainly applied to door seal rubber sleeves of refrigerators, kitchen appliances, bathroom facilities, doors and windows and the like, and is combined with the plastic sleeve to form a door seal with moderate suction, so that the door seal has the advantages of good sealing performance, wide temperature application range, convenience in opening and durability, and is widely applied to various industries. At present, the ash falling condition of the soft magnetic strip occurs in the actual use process. When the soft magnetic door seal is touched or wiped by hands, black powder is on the surface of the ash-falling soft magnetic strip, which seriously influences the appearance and the practical use of the soft magnetic door seal. However, at present, the detection of ash falling of the soft magnetic stripe generally depends on visual observation or hand friction, and no detection device can detect the ash falling of the soft magnetic stripe. Meanwhile, a uniform method and standard are not available in detection, the ash falling condition of the soft magnetic stripe can be judged only by people roughly, the ash falling degree cannot be quantified, and accurate detection cannot be carried out. Therefore, the invention provides a detection method of a soft magnetic stripe ash falling detection device.
The standard cotton cloth obtained by detection is compared with a Ringelmann blackness card, the ash falling grade of the soft magnetic strip is judged, and qualitative and quantitative evaluation is further carried out on the ash falling condition of the soft magnetic strip.
Disclosure of Invention
The invention provides a detection method of a soft magnetic stripe dust falling detection device, which can solve the problems mentioned in the background technology.
The technical scheme adopted by the invention for realizing the aim is as follows:
a soft magnetic stripe dust falling detection device is characterized by comprising a flat plate, a support, a cylinder with a magnetic ring, an air pipe, an electromagnetic valve, an air supply pump, a clamping seat, a guide rod, an annular weight block, a friction head, a magnetic stripe splint, an annular clamp, standard cotton cloth, a magnetic switch and a control counter, wherein the support is arranged on the right side of the upper surface of the flat plate, the cylinder with the magnetic ring is arranged on the support, the air supply pump is arranged on the outer side of the flat plate, the air inlet end of the electromagnetic valve is connected with the air supply pump through the air pipe, the air outlet end of the electromagnetic valve is respectively connected with an air inlet and an air outlet of the cylinder with the magnetic ring through the air pipe, the right side of the clamping seat is connected with a push rod of the cylinder with the magnetic ring, a circular through hole is arranged in the middle area of the clamping seat, the guide rod is integrally cylindrical, a circular boss is arranged in the middle of the guide rod, external threads are arranged at the bottom of the guide rod, the circular boss and the external threads are fixedly embedded inside the circular through hole of the clamping seat, the whole suit of annular ballast piece is in the guide arm upper portion outside, side contact on annular ballast piece downside and the ring shape boss of guide arm, friction head top has half counter bore of internal thread, the friction head passes through half counter bore of internal thread and adorns soon in the guide arm bottom outside, the standard cotton passes through annular clamp hoop suit in the first bottom outside of friction, magnetic stripe splint install in dull and stereotyped support left side above, the middle zone above the magnetic stripe splint has horizontal recess of level, magnetic switch has two, two magnetic switch install the left and right sides above taking the magnetic ring cylinder respectively, control counter installs on the support right side, control counter passes through the pencil and is connected with two magnetic switch of solenoid valve respectively, annular ballast piece has standard weight to constitute, it has built-in magnetic ring to inlay above taking magnetic ring cylinder push rod.
The method for detecting the soft magnetic stripe dust falling detection device comprises the following steps:
the method comprises the following steps: cutting a soft magnetic strip with the length of 100mm, and installing and fixing a horizontal transverse groove in the middle area on the magnetic strip clamping plate;
step two: wrapping standard cotton cloth on a lower end guide rod friction head at room temperature, and clamping the standard cotton cloth by using an annular clamp to ensure that the bottom of the standard cotton cloth is horizontally parallel to the upper surface of the soft magnetic strip in the horizontal transverse groove on the magnetic strip clamping plate in the step one;
step three: according to the difference of the detected soft magnetic strips, a standard annular weight block is selected, and the annular weight block is installed and fixed on the upper part of the guide rod;
step four: setting the number of times of reciprocating friction motion of the cylinder with the magnetic ring on a control counter;
step five: starting an electromagnetic valve on a cylinder with a magnetic ring in a detection device, wherein the cylinder with the magnetic ring is internally provided with the magnetic ring at the right starting point of the cylinder with the magnetic ring, the magnetic switch at the right side of the cylinder with the magnetic ring is communicated under the action of the internally provided magnetic ring, the magnetic switch at the right side transmits a signal to a control counter through a wire harness, the control counter receives the signal and then instructs the electromagnetic valve to supply air to the cylinder with the magnetic ring, a push rod of the cylinder with the magnetic ring pushes a clamping seat, the clamping seat drives a guide rod friction head standard cotton cloth to linearly move leftwards along a detected soft magnetic strip so as to ensure that the surfaces of the standard cotton cloth and the detected soft magnetic strip are mutually rubbed, the internally provided magnetic ring also moves leftwards, the internally provided magnetic ring in the cylinder with the magnetic ring moves leftwards, when the position of the magnetic switch at the left side of the cylinder with the magnetic ring is reached, the magnetic switch at the right side is disconnected, and the magnetic switch at the right side transmits the signal to the control counter through the wire harness, after receiving the signal, the control counter instructs the electromagnetic valve to stop feeding air to the cylinder with the magnetic ring; meanwhile, under the action of a built-in magnetic ring, a left magnetic switch is communicated, the left magnetic switch transmits signals to a control counter through a wire harness, the control counter instructs an electromagnetic valve to exhaust air for a cylinder with the magnetic ring after receiving the signals, a push rod of the cylinder with the magnetic ring pushes a clamping seat, the clamping seat drives a guide rod friction head standard cotton cloth to linearly move back to the right along a detected soft magnetic strip, the surfaces of the standard cotton cloth and the detected soft magnetic strip are ensured to rub against each other, the built-in magnetic ring also moves to the right, when the position of the right magnetic switch is moved, the left magnetic switch is disconnected, the left magnetic switch transmits the signals to the control counter through the wire harness, and after the control counter receives the signals, the electromagnetic valve is instructed to stop exhausting air for the cylinder with the magnetic ring, the surfaces of the standard cotton cloth and the detected soft magnetic strip are ensured to rub against each other in sequence and the detection work is carried out;
step six: when the number of times of reciprocating friction motion of the cylinder with the magnetic ring reaches and the friction number set by the counter is controlled, the detection is stopped, and the standard cotton cloth after the friction between the upper surface of the friction head and the soft magnetic strip is removed;
step seven: and under a standard light source color matching lamp box, comparing standard cotton cloth obtained after the standard cotton cloth is rubbed with the soft magnetic stripe with a Ringelmann blackness card, and judging the ash falling grade of the soft magnetic stripe according to the Ringelmann blackness card.
Compared with the prior art, the invention has the following beneficial effects:
the present invention can solve the problems mentioned in the background art as described above, compared with the prior art. The method has the advantages that the problem that the existing detection of the ash falling of the magnetic stripe generally depends on visual observation or hand friction, the detection device can not detect the ash falling of the soft magnetic stripe, and meanwhile, the detection method has no unified method and standard, can only roughly judge the ash falling condition of the magnetic stripe manually, cannot quantify the ash falling degree, and cannot perform accurate detection is solved. The standard cotton cloth obtained by the detection of the invention is compared with a Ringelmann blackness card to judge the ash falling grade of the soft magnetic strip. And further carrying out qualitative and quantitative evaluation on the ash falling condition of the soft magnetic strip. The method has the advantages of accurate detection, high precision, no damage to the soft magnetic strip, simple and convenient operation, capability of qualitatively and quantitatively evaluating the actual ash falling performance condition of the soft magnetic strip, and suitability for popularization and use in the process of detecting ash falling of the magnetic strip.
Drawings
FIG. 1 is a block flow diagram of a practical method of detection according to the present invention;
FIG. 2 is a schematic view of a detecting device according to the present invention;
FIG. 3 is a schematic view of the assembly of the friction head of the present invention with a standard cotton cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the attached drawing, the soft magnetic stripe dust falling detection device is characterized by comprising a flat plate (1), a bracket (2), a cylinder (8) with a magnetic ring, an air pipe, an electromagnetic valve (11), an air supply pump (12), a clamping seat (5), a guide rod (7), an annular weight block (6), a friction head (4), a magnetic stripe clamping plate (3), an annular clamping hoop, standard cotton cloth (13), a magnetic switch (9) and a control counter (10), wherein the bracket (2) is arranged on the right side of the upper surface of the flat plate (1), the cylinder (8) with the magnetic ring is arranged on the upper surface of the bracket (2), the air supply pump (12) is arranged on the outer side of the flat plate (1), the air inlet end of the electromagnetic valve (11) is connected with the air supply pump (12) through the air pipe, the air outlet end of the electromagnetic valve (11) is respectively connected with an air inlet vent hole of the cylinder (8) with the air pipe, the right side of the clamping seat (5) is connected with a push rod of the cylinder (8) with the magnetic ring through the air pipe, a circular through hole is arranged in the middle area of the clamping seat (5), the guide rod (7) is integrally cylindrical, a circular boss is arranged in the middle of the guide rod (7), external threads are arranged at the bottom of the guide rod (7), an area between the circular boss and the external threads of the guide rod (7) is fixedly embedded inside the circular through hole of the clamping seat (5), the annular weight block (6) is integrally sleeved outside the upper part of the guide rod (7), the lower side surface of the annular weight block (6) is contacted with the upper side surface of the circular boss of the guide rod (7), an internal thread semi-counter bore is arranged at the top of the friction head (4), the friction head (4) is rotatably arranged outside the bottom of the guide rod (7) through the internal thread semi-counter bore, standard cotton cloth (13) is sleeved outside the bottom of the friction head (4) through an annular clamp, the magnetic stripe clamp plate (3) is arranged on the left side of the bracket (2) on the flat plate (1), a horizontal transverse groove is arranged in the middle area on the magnetic stripe clamp plate (3), the number of the magnetic switches (9) is two, the two magnetic switches (9) are respectively installed on the left side and the right side of the upper surface of the cylinder (8) with the magnetic ring, the control counter (10) is installed on the right side of the support (2), the control counter (2) is respectively connected with the two magnetic switches (9) of the electromagnetic valve (11) through a wire harness, the annular weight pressing block (6) is composed of standard weights, and the built-in magnetic ring is embedded on the push rod of the cylinder (8) with the magnetic ring.
The method for detecting the soft magnetic stripe dust falling detection device comprises the following steps:
the method comprises the following steps: cutting out a soft magnetic strip with the length of 100mm, and installing and fixing a horizontal transverse groove in the middle area on the magnetic strip clamping plate (3);
step two: under the condition of room temperature, wrapping standard cotton cloth (13) on a friction head (4) of a lower end guide rod (7), clamping the standard cotton cloth (13) by using an annular clamp, and ensuring that the bottom of the standard cotton cloth (13) is horizontally parallel to the upper surface of a soft magnetic strip in a horizontal transverse groove on a magnetic strip clamping plate (3) in the step one;
step three: according to the difference of the detected soft magnetic strips, a standard annular weight block (6) is selected, and the annular weight block (6) is installed and fixed on the upper part of the guide rod (7);
step four: the number of times of reciprocating friction motion of the cylinder (8) with the magnetic ring is set on the control counter (10);
step five: starting an electromagnetic valve (11) on a cylinder (8) with a magnetic ring in a detection device, wherein the cylinder (8) with the magnetic ring is internally provided with the magnetic ring and is positioned at the right starting point of the cylinder (8) with the magnetic ring, a magnetic switch (9) at the right side of the cylinder (8) with the magnetic ring is under the action of the internally provided magnetic ring, the right magnetic switch (9) is communicated, meanwhile, the right magnetic switch (9) transmits signals to a control counter (10) through a wire harness, the control counter (10) instructs the electromagnetic valve (11) to supply air to the cylinder (8) with the magnetic ring after receiving the signals, a push rod of the cylinder (8) with the magnetic ring pushes a clamping seat (5), the clamping seat (5) drives a guide rod (7) and a friction head (4) of a magnetic ring to perform linear motion leftwards along a detected soft magnetic strip, so as to ensure that the standard cotton cloth (13) and the surface of the detected soft magnetic strip are mutually rubbed, the internally provided with the magnetic ring also moves leftwards, and the cylinder (8) with the magnetic ring moves leftwards, when the position of a magnetic switch (9) on the left side of the air cylinder (8) with the magnetic ring is reached, the right magnetic switch (9) is switched off, the right magnetic switch (9) transmits a signal to a control counter (10) through a wire harness, and the control counter (10) instructs an electromagnetic valve (11) to stop air intake for the air cylinder (8) with the magnetic ring after receiving the signal; meanwhile, under the action of a built-in magnetic ring, a left magnetic switch (9) is communicated, the left magnetic switch (9) transmits signals to a control counter (10) through a wire harness, the control counter (10) instructs an electromagnetic valve (11) after receiving the signals to exhaust air for a cylinder (8) with the magnetic ring, a push rod of the cylinder (8) with the magnetic ring pushes a clamping seat (5), the clamping seat (5) drives a guide rod (7) to rub a head (4) and standard cotton cloth (13) and linearly move back to the right along a detected soft magnetic strip to ensure that the surfaces of the standard cotton cloth (13) and the detected soft magnetic strip rub with each other, the built-in magnetic ring also moves to the right, when the built-in magnetic switch moves to the position of a right magnetic switch (9), the left magnetic switch (9) is disconnected, the left magnetic switch (9) transmits the signals to the control counter (10) through the wire harness, and the control counter (, stopping exhausting the air cylinder (8) with the magnetic ring, and sequentially and circularly ensuring that the surfaces of the standard cotton cloth (13) and the soft magnetic stripe to be detected are mutually rubbed to carry out detection work;
step six: when the number of times of reciprocating friction motion of the cylinder (8) with the magnetic ring reaches and the friction number set by the counter (10) is controlled, the detection is stopped, and the standard cotton cloth (13) which is arranged on the friction head (4) and is rubbed with the soft magnetic strip is taken down;
step seven: under a standard light source color matching lamp box, standard cotton cloth (13) obtained after friction with the soft magnetic stripe is compared with a Ringelmann blackness card, and the gray falling grade of the soft magnetic stripe is judged according to the Ringelmann blackness card.
When the soft magnetic stripe ash falling detection device is used for detection in practice: firstly, cutting a soft magnetic strip with the length of 100mm, and installing and placing the soft magnetic strip in a horizontal transverse groove in the middle area on a magnetic strip clamping plate (3); wrapping standard cotton cloth (13) on a friction head (4) of a lower end guide rod (7) at room temperature, and clamping the standard cotton cloth (13) by using an annular clamp; according to the difference of the detected soft magnetic strips, a standard annular weight block (6) is selected, and the annular weight block (6) is installed and fixed on the upper part of the guide rod (7); setting the times of the control counter (10) for instructing the cylinder (8) with the magnetic ring to reciprocate; starting a detection device to perform detection work, and performing work according to the fifth step; after the detection is stopped, taking down the standard cotton cloth (13) on the friction head (4); and under a standard light source color matching lamp box, comparing the obtained product after being rubbed with the soft magnetic stripe with a standard cotton cloth (13) and a Ringelmann blackness card, and judging the ash falling grade of the soft magnetic stripe.
The method has the beneficial effects that the standard cotton cloth (13) obtained by detection is compared with the Ringelmann blackness card, and the ash falling grade of the soft magnetic stripe is judged. And further carrying out qualitative and quantitative evaluation on the ash falling condition of the soft magnetic strip. The method has the advantages of accurate detection, high precision, no damage to the soft magnetic strip, simple and convenient operation, capability of qualitatively and quantitatively evaluating the actual ash falling performance condition of the soft magnetic strip, and suitability for popularization and use in the process of detecting ash falling of the magnetic strip.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (1)

1. A detection method by using a soft magnetic stripe dust falling detection device is characterized in that the soft magnetic stripe dust falling detection device comprises a flat plate, a bracket, a cylinder with a magnetic ring, an air pipe, an electromagnetic valve, an air supply pump, a clamping seat, a guide rod, an annular weight block, a friction head, a magnetic stripe clamping plate, an annular clamping hoop, standard cotton cloth, a magnetic switch and a control counter, wherein the bracket is arranged on the right side of the upper surface of the flat plate, the cylinder with the magnetic ring is arranged on the upper surface of the bracket, the air supply pump is arranged on the outer side of the flat plate, the air inlet end of the electromagnetic valve is connected with the air supply pump through the air pipe, the air outlet end of the electromagnetic valve is respectively connected with an air inlet and an air outlet of the cylinder with the magnetic ring through the air pipe, the right side of the clamping seat is connected with a push rod of the cylinder with the magnetic ring, the middle area of the clamping seat is provided with a circular through hole, the guide rod is integrally cylindrical, the middle part of the guide rod is provided with an annular boss, the bottom of the guide rod is provided with an external thread, the area between the annular boss and the external thread, the device comprises a guide rod, a magnetic strip clamping plate, a control counter, a standard weight and a push rod of a cylinder with a magnetic ring, wherein the guide rod is fixedly embedded in the inner side of a circular through hole of a clamping seat;
the detection method comprises the following steps:
the method comprises the following steps: cutting a soft magnetic strip with the length of 100mm, and installing and fixing a horizontal transverse groove in the middle area on the magnetic strip clamping plate;
step two: wrapping standard cotton cloth on a lower end guide rod friction head at room temperature, and clamping the standard cotton cloth by using an annular clamp to ensure that the bottom of the standard cotton cloth is horizontally parallel to the upper surface of the soft magnetic strip in the horizontal transverse groove on the magnetic strip clamping plate in the step one;
step three: according to the difference of the detected soft magnetic strips, a standard annular weight block is selected, and the annular weight block is installed and fixed on the upper part of the guide rod;
step four: setting the number of times of reciprocating friction motion of the cylinder with the magnetic ring on a control counter;
step five: starting an electromagnetic valve on a cylinder with a magnetic ring in a detection device, wherein the cylinder with the magnetic ring is internally provided with the magnetic ring at the right starting point of the cylinder with the magnetic ring, the magnetic switch at the right side of the cylinder with the magnetic ring is communicated under the action of the internally provided magnetic ring, the magnetic switch at the right side transmits a signal to a control counter through a wire harness, the control counter receives the signal and then instructs the electromagnetic valve to supply air to the cylinder with the magnetic ring, a push rod of the cylinder with the magnetic ring pushes a clamping seat, the clamping seat drives a guide rod friction head standard cotton cloth to linearly move leftwards along a detected soft magnetic strip so as to ensure that the surfaces of the standard cotton cloth and the detected soft magnetic strip are mutually rubbed, the internally provided magnetic ring also moves leftwards, the internally provided magnetic ring in the cylinder with the magnetic ring moves leftwards, when the position of the magnetic switch at, after receiving the signal, the control counter instructs the electromagnetic valve to stop feeding air to the cylinder with the magnetic ring; meanwhile, under the action of a built-in magnetic ring, a left magnetic switch is communicated, the left magnetic switch transmits signals to a control counter through a wire harness, the control counter instructs an electromagnetic valve to exhaust air for a cylinder with the magnetic ring after receiving the signals, a push rod of the cylinder with the magnetic ring pushes a clamping seat, the clamping seat drives a guide rod friction head standard cotton cloth to linearly move back to the right along a detected soft magnetic strip, the surfaces of the standard cotton cloth and the detected soft magnetic strip are ensured to rub against each other, the built-in magnetic ring also moves to the right, when the position of the right magnetic switch is moved, the left magnetic switch is disconnected, the left magnetic switch transmits the signals to the control counter through the wire harness, and after the control counter receives the signals, the electromagnetic valve is instructed to stop exhausting air for the cylinder with the magnetic ring, the surfaces of the standard cotton cloth and the detected soft magnetic strip are ensured to rub against each other in sequence and the detection work is carried out;
step six: when the number of times of reciprocating friction motion of the cylinder with the magnetic ring reaches and the friction number set by the counter is controlled, the detection is stopped, and the standard cotton cloth after the friction between the upper surface of the friction head and the soft magnetic strip is removed;
step seven: and under a standard light source color matching lamp box, comparing standard cotton cloth obtained after the standard cotton cloth is rubbed with the soft magnetic stripe with a Ringelmann blackness card, and judging the ash falling grade of the soft magnetic stripe according to the Ringelmann blackness card.
CN201811533642.2A 2018-12-14 2018-12-14 Detection method of soft magnetic stripe dust falling detection device Active CN109724922B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900656A (en) * 2009-05-27 2010-12-01 鸿富锦精密工业(深圳)有限公司 Abrasion resistance testing device
JP2011185934A (en) * 2010-03-05 2011-09-22 Nordson Corp Bond strength testing device including switchable backlash control
CN203148798U (en) * 2013-04-15 2013-08-21 北京理工大学 Micro dynamic tension/compression test system with preloading function
CN106338466A (en) * 2016-08-30 2017-01-18 江苏中天科技股份有限公司 Wiping device for detecting curing degree of colored optical fiber printing ink

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900656A (en) * 2009-05-27 2010-12-01 鸿富锦精密工业(深圳)有限公司 Abrasion resistance testing device
JP2011185934A (en) * 2010-03-05 2011-09-22 Nordson Corp Bond strength testing device including switchable backlash control
CN203148798U (en) * 2013-04-15 2013-08-21 北京理工大学 Micro dynamic tension/compression test system with preloading function
CN106338466A (en) * 2016-08-30 2017-01-18 江苏中天科技股份有限公司 Wiping device for detecting curing degree of colored optical fiber printing ink

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