CN113740252A - Nondestructive testing method for inlaying fastness of jewelry - Google Patents
Nondestructive testing method for inlaying fastness of jewelry Download PDFInfo
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- CN113740252A CN113740252A CN202111077802.9A CN202111077802A CN113740252A CN 113740252 A CN113740252 A CN 113740252A CN 202111077802 A CN202111077802 A CN 202111077802A CN 113740252 A CN113740252 A CN 113740252A
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- fastness
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 11
- 238000013020 steam cleaning Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 239000010437 gem Substances 0.000 abstract description 50
- 229910052751 metal Inorganic materials 0.000 abstract description 17
- 239000002184 metal Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 229910001751 gemstone Inorganic materials 0.000 description 41
- 210000000078 claw Anatomy 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 235000010585 Ammi visnaga Nutrition 0.000 description 3
- 244000153158 Ammi visnaga Species 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009022 nonlinear effect Effects 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
Abstract
The invention discloses a nondestructive testing method for the inlaying fastness of a jewelry mosaic, which comprises the following steps: preparing a detection solution, pouring the detection solution into an ultrasonic water tank, and controlling the temperature of the detection solution in the ultrasonic water tank to be between 40 and 60 ℃; putting part or all of the jewelry to be detected into detection liquid in an ultrasonic water tank; setting detection time and detection frequency of ultrasonic equipment, and starting ultrasonic detection; and detecting the inlaying fastness of the jewelry in the ultrasonic detection process or after the ultrasonic detection is finished. The method utilizes ultrasonic cavitation to generate jet flow to play roles of drilling, differentiating and dissolving various tiny cracks and dead positions of the gem inlaying products and oil stains and particles mixed in the inlaying processing process on the surfaces of the gems, thereby achieving the effect of separating dirt between the gems and the metal, and after the dirt between the gems and the metal is removed, the gems can be loosened and even fall off, thereby being convenient for detection personnel to quickly, simply and conveniently observe the gem inlaying fastness.
Description
Technical Field
The invention relates to the field of jewelry detection, in particular to a nondestructive detection method for the inlaying fastness of jewelry.
Background
When the jewelry setting fastness is detected, the following detection modes are mostly adopted in the prior art. And (3) observing with a magnifying glass by naked eyes: the fitting degree between the gem and the rabbet and the fitting degree between the claws and the teeth and the star facets of the gem table top or the kite surface are observed by naked eyes through a special 10-time magnifier for jewelry detection, so as to judge whether to compact and stably sit. Toothpick detection: the bamboo stick or wood stick is utilized to implement multi-point pushing and stamping actions on the surface and the bottom of the finished jewel according to different inlaying technique characteristics, and if the jewel does not move, the inlaying fastness is considered to meet the quality inspection requirement. Detecting metal tweezers: and detecting the inlaying fastness of the inlaying technology finished products with the exposed gem waistline and the products with larger gems by using metal tweezers. The method specifically comprises the steps of clamping a jewel at the waist line of the jewel firmly by using metal tweezers, applying proper force to rotate the jewel according to experience, and judging the jewel to be unqualified if the jewel rotates. And (3) detecting the thin paper sheet: aiming at the claw tooth inlay, a thin paper sheet is tried to be inserted from the top end of the contact between the claw or the tooth and the jewel, and if the insertion can be measured, the inlaying is determined to be insecure. Comprehensive detection method: the 4 detection methods are comprehensively applied according to the characteristics of various mosaic techniques.
However, the above detection methods all have certain disadvantages, such as: the magnifier can only observe the structure on the surface when detecting, the magnifier can not be used as the power for the shielded part, the magnifier can clearly observe the attaching degree of the 'jewel support' and the bottom of the jewel when detecting the inlaying process of the jewel inlaying structure point and the noble metal structure exposed outside, and the inlaying processes except the 'claw inlaying' are not suitable for inspecting the inlaying fastness of the jewel by the magnifier detection method. Second, the magnifying glass assay must rely on the rich manufacturing experience of the examiner. Inspectors need to master various gem inlaying techniques and know various gem characteristics to effectively judge the inlaying fastness of the gems through the inspection of a visual magnifier. Toothpick detection when applying pressure on the surface and bottom of the gemstone with a toothpick, the degree of pressure application is difficult to control. The pressure application degree can not be controlled and measured by an absolute standard, and judgment errors can be generated once the force is too small; if the force is too large, the original inlaying fastness is damaged slightly, and the jewel is directly ejected out to cause 'falling rocks'. This can result in unnecessary "rework" instead. The metal tweezers can scratch marks on the finished product if the metal tweezers are detected improperly, so that the surface quality of the finished product is affected. The detection of the thin paper sheet has extremely small covering surface, and is only used for detecting large-particle plain surfaces, facet gem claw setting and diamond claw setting above 0.30 CT.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a nondestructive testing method for the inlaying fastness of a jewelry inlaying ornament.
The technical scheme adopted by the invention for solving the technical problems is as follows: the nondestructive testing method for the inlaying fastness of the jewelry inlaying ornament comprises the following steps:
preparing a detection solution, pouring the detection solution into an ultrasonic water tank, and controlling the temperature of the detection solution in the ultrasonic water tank to be between 40 and 60 ℃;
a step of placing, in which part or all of the jewelry to be detected is placed in the detection liquid in the ultrasonic water tank;
starting, setting detection time and detection frequency of ultrasonic equipment, and starting ultrasonic detection;
and a detection step, wherein the inlaying fastness of the jewelry is detected in the ultrasonic detection process or after the ultrasonic detection is finished.
In the nondestructive testing method for the inlaying fastness of the jewelry inlaying ornament, the testing liquid is prepared by adding clear water into wax removing water, and the volume ratio of the wax removing water to the clear water is 3: 10.
In the nondestructive testing method for the mosaic fastness of the jewelry setting, the wax removing water is ULTRA-CLEAN P60.
In the nondestructive testing method for the setting fastness of the jewelry setting, before the step of putting, the testing method also comprises the following steps:
and a pre-detection step, namely observing the integrity, the existence of cracks and the inlaying fastness of the jewelries, screening the jewelries with poorer integrity, cracks and inlaying fastness, and performing an embedding step on the jewelries with better integrity, no cracks and higher inlaying fastness and performing ultrasonic detection.
In the nondestructive testing method for the setting fastness of the jewelry setting, after the preliminary testing step, the testing method further comprises the following steps:
classifying, namely classifying the jewelry to be detected according to types and structural shapes, and respectively suspending the jewelry to be detected on an ultrasonic detection bracket according to the classification;
the step of placing is specifically to place part or all of the jewelry to be detected on the ultrasonic detection bracket into the detection liquid in the ultrasonic water tank.
In the nondestructive testing method for the inlaying fastness of the jewelry setting, the testing time is 5-15 minutes, and the testing frequency is 40 KHZ.
In the nondestructive testing method for the setting fastness of the jewelry setting, after the testing step, the testing method further comprises the following steps:
and a cleaning step, namely taking the jewelry subjected to ultrasonic detection out and putting the jewelry into clear water for ultrasonic cleaning for 20-40 seconds.
In the nondestructive testing method for the setting fastness of the jewelry setting, after the cleaning step, the testing method further comprises the following steps:
and a cleaning step, wherein the cleaned jewelry is subjected to steam cleaning treatment.
In the nondestructive testing method for the setting fastness of the jewelry setting, after the cleaning step, the testing method further comprises the following steps:
and a drying step, drying the jewelry subjected to the steam cleaning treatment.
In the nondestructive testing method for the setting fastness of the jewelry setting, after the drying step, the testing method further comprises the following steps:
and in the observation step, ten times of magnifying glass is used for observing the inlaying fastness of the jewelry.
The implementation of the nondestructive testing method for the inlaying fastness of the jewelry inlaying ornament has the following beneficial effects: when the nondestructive testing method for the inlaying fastness of the jewelry inlay is used, the ultrasonic testing method mainly converts the sound energy of a power ultrasonic frequency source into mechanical vibration through the transducer, and radiates ultrasonic waves to the testing liquid in the groove through the cleaning groove wall. The micro-bubbles in the detection liquid in the tank can keep vibrating under the action of sound waves due to the radiation of the ultrasonic waves. By using the ultrasonic cavitation effect, when the energy reaches a certain threshold value, the bubbles expand rapidly and close suddenly to generate shock waves, so that 1012-1013pa local temperature adjustment is generated around the bubbles. The huge pressure generated by the ultrasonic cavitation can destroy insoluble dirt to enable the insoluble dirt to be differentiated into solution, on one hand, the adsorption of the dirt and the surface of a detection piece is destroyed, on the other hand, the dirt layer can be damaged by fatigue and is separated, once metal and other dirt in the process of inlaying the gem have seams and can be drilled, air bubbles immediately drill and vibrate to enable the metal and other dirt to fall off. Due to the cavitation effect of the ultrasonic waves, the ultrasonic waves can generate positive and negative alternating sound pressure when being transmitted in detection liquid to form jet flow to wash a detection piece, and meanwhile, due to the fact that sound flow and micro sound generated by the nonlinear effect flow through the ultrasonic cavitation to generate high-speed micro jet flow on a solid and liquid interface, the stirring and diffusion effects of the liquid in the detection groove are increased, the dissolution of soluble impurity dirt is accelerated, and the effects of damaging the dirt package and the outlet or weakening the surface of the gemstone and a dirt layer at the boundary of the gemstone and metal are achieved. This detection method utilizes ultrasonic cavitation to produce the efflux and plays "drill into", "differentiate", "dissolve" each tiny "crack" of product is inlayed to the precious stone, in the precious stone surface owing to inlay greasy dirt, the granule that mix with in the course of working to reach the effect of the filth between separation precious stone and the metal, after getting rid of the filth between precious stone and metal, can cause the precious stone not hard up or even drop, the fastness is inlayed to the observation precious stone that the measurement personnel of being convenient for are faster, simple and convenient.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of the nondestructive testing method for the setting fastness of the jewelry setting.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIG. 1, in the first embodiment of the method for non-destructive testing of the setting fastness of a jewelry setting of the present invention, the method comprises:
a preparation step S101, preparing a detection solution, pouring the detection solution into an ultrasonic water tank, and controlling the temperature of the detection solution in the ultrasonic water tank to be between 40 and 60 ℃.
And S102, partially or completely placing the jewelry to be detected into the detection liquid in the ultrasonic water tank.
Step S103 is started, the ultrasonic apparatus detection time and detection frequency are set, and ultrasonic detection is started.
And a detection step S104, detecting the inlaying fastness of the jewelry in the ultrasonic detection process or after the ultrasonic detection is finished.
When the nondestructive testing method for the inlaying fastness of the jewelry inlay is used, the ultrasonic testing method mainly converts the sound energy of a power ultrasonic frequency source into mechanical vibration through the transducer, and radiates ultrasonic waves to the testing liquid in the groove through the cleaning groove wall. The micro-bubbles in the detection liquid in the tank can keep vibrating under the action of sound waves due to the radiation of the ultrasonic waves. By using the ultrasonic cavitation effect, when the energy reaches a certain threshold value, the bubbles expand rapidly and close suddenly to generate shock waves, so that 1012-1013pa local temperature adjustment is generated around the bubbles. The huge pressure generated by the ultrasonic cavitation can destroy insoluble dirt to enable the insoluble dirt to be differentiated into solution, on one hand, the adsorption of the dirt and the surface of a detection piece is destroyed, on the other hand, the dirt layer can be damaged by fatigue and is separated, once metal and other dirt in the process of inlaying the gem have seams and can be drilled, air bubbles immediately drill and vibrate to enable the metal and other dirt to fall off. Due to the cavitation effect of the ultrasonic waves, the ultrasonic waves can generate positive and negative alternating sound pressure when being transmitted in detection liquid to form jet flow to wash a detection piece, and meanwhile, due to the fact that sound flow and micro sound generated by the nonlinear effect flow through the ultrasonic cavitation to generate high-speed micro jet flow on a solid and liquid interface, the stirring and diffusion effects of the liquid in the detection groove are increased, the dissolution of soluble impurity dirt is accelerated, and the effects of damaging the dirt package and the outlet or weakening the surface of the gemstone and a dirt layer at the boundary of the gemstone and metal are achieved. This detection method utilizes ultrasonic cavitation to produce the efflux and plays "drill into", "differentiate", "dissolve" each tiny "crack" of product is inlayed to the precious stone, in the precious stone surface owing to inlay greasy dirt, the granule that mix with in the course of working to reach the effect of the filth between separation precious stone and the metal, after getting rid of the filth between precious stone and metal, can cause the precious stone not hard up or even drop, the fastness is inlayed to the observation precious stone that the measurement personnel of being convenient for are faster, simple and convenient.
Ultrasonic detection has solved "stone volume is big", "dead angle position", "harmless" three big problems, when confirming detection effect, accomplishes environmental protection, convenient, especially to the product fastness inspection of inlaying that a large amount of precious stones crowd inlayed, inspection efficiency promotes more than 5 times.
Specifically, the detection liquid is prepared by adding clear water into wax removing water, and the volume ratio of the wax removing water to the clear water is 3: 10. Preferably, the dewaxed water is ULTRA-CLEAN P60.
Further, before the step of placing, the method for detecting further comprises:
and a pre-detection step, namely observing the integrity, the existence of cracks and the inlaying fastness of the jewelries, screening the jewelries with poorer integrity, cracks and inlaying fastness, and performing an embedding step on the jewelries with better integrity, no cracks and higher inlaying fastness and performing ultrasonic detection.
Through the pre-detection step, the jewelry with poor integrity, cracks and poor inlaying fastness is primarily screened.
Further, after the pre-inspecting step, the inspecting method further includes:
and a classification step, classifying the jewelry to be detected according to the type and the structural shape, and respectively suspending the jewelry to be detected on an ultrasonic detection bracket according to the classification.
The step of placing is specifically to place part or all of the jewelry to be detected on the ultrasonic detection bracket into the detection liquid in the ultrasonic water tank.
When ultrasonic detection is carried out, the jewelry can be completely immersed into the detection liquid, or the inlaid jewel part of the jewelry can be immersed into the detection liquid, so that the purpose of fastness detection can be achieved.
In the detection method, the detection time is 5-15 minutes, and the detection frequency is 40 KHZ.
Further, after the detecting step, the detecting method further includes:
and a cleaning step, namely taking the jewelry subjected to ultrasonic detection out and putting the jewelry into clear water for ultrasonic cleaning for 20-40 seconds.
Further, after the washing step, the detection method further includes:
and a cleaning step, wherein the cleaned jewelry is subjected to steam cleaning treatment.
Further, after the cleaning step, the detection method further includes:
and a drying step, drying the jewelry subjected to the steam cleaning treatment.
Further, after the drying step, the detection method further comprises:
and in the observation step, ten times of magnifying glass is used for observing the inlaying fastness of the jewelry.
After the jewelry is subjected to ultrasonic detection, the jewelry can be put into clear water for ultrasonic cleaning, then the jewelry is subjected to steam cleaning treatment and drying treatment, finally, a tester observes the jewelry embedding fastness by using a ten-fold magnifier after the drying is finished, and an identification report can be issued after the jewelry is observed to be firmly embedded. When the infirm setting of the gem is observed, the gem can be reworked and trimmed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A nondestructive testing method for the inlaying fastness of a jewelry inlaying ornament is characterized by comprising the following steps:
preparing a detection solution, pouring the detection solution into an ultrasonic water tank, and controlling the temperature of the detection solution in the ultrasonic water tank to be between 40 and 60 ℃;
a step of placing, in which part or all of the jewelry to be detected is placed in the detection liquid in the ultrasonic water tank;
starting, setting detection time and detection frequency of ultrasonic equipment, and starting ultrasonic detection;
and a detection step, wherein the inlaying fastness of the jewelry is detected in the ultrasonic detection process or after the ultrasonic detection is finished.
2. The method for nondestructive testing of the inlaying fastness of jewelry inlaid with jewelry according to claim 1, wherein the detection liquid is prepared by adding clear water to wax removal water, and the volume ratio of the wax removal water to the clear water is 3: 10.
3. The method for nondestructive testing of the setting fastness of a jewelry setting according to claim 2, wherein the wax removing water model is ULTRA-CLEAN P60.
4. The method of non-destructive testing of the setting fastness of a jewelry setting according to claim 1, wherein prior to said inserting step, said testing method further comprises:
and a pre-detection step, namely observing the integrity, the existence of cracks and the inlaying fastness of the jewelries, screening the jewelries with poorer integrity, cracks and inlaying fastness, and performing an embedding step on the jewelries with better integrity, no cracks and higher inlaying fastness and performing ultrasonic detection.
5. The method of non-destructive testing of setting fastness of jewelry sets according to claim 4, wherein after said pre-testing step, said testing method further comprises:
classifying, namely classifying the jewelry to be detected according to types and structural shapes, and respectively suspending the jewelry to be detected on an ultrasonic detection bracket according to the classification;
the step of placing is specifically to place part or all of the jewelry to be detected on the ultrasonic detection bracket into the detection liquid in the ultrasonic water tank.
6. The method for nondestructive testing of the setting fastness of a jewelry setting according to claim 1, wherein the testing time is 5 to 15 minutes and the testing frequency is 40 KHZ.
7. The method of non-destructive testing of the setting fastness of a jewelry setting according to claim 1, wherein after said step of testing, said testing method further comprises:
and a cleaning step, namely taking the jewelry subjected to ultrasonic detection out and putting the jewelry into clear water for ultrasonic cleaning for 20-40 seconds.
8. The method of non-destructive testing of the setting fastness of a jewelry setting according to claim 7, wherein after said cleaning step, said testing method further comprises:
and a cleaning step, wherein the cleaned jewelry is subjected to steam cleaning treatment.
9. The method of non-destructive testing of the setting fastness of a jewelry setting according to claim 8, wherein after said cleaning step, said testing method further comprises:
and a drying step, drying the jewelry subjected to the steam cleaning treatment.
10. The method of non-destructive testing of setting fastness of a jewelry setting according to claim 9, wherein after said drying step, said testing method further comprises:
and in the observation step, ten times of magnifying glass is used for observing the inlaying fastness of the jewelry.
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| CN202111077802.9A CN113740252A (en) | 2021-09-15 | 2021-09-15 | Nondestructive testing method for inlaying fastness of jewelry |
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