CN103884567A - Pre-milling machine for metallographic microscopic samples - Google Patents
Pre-milling machine for metallographic microscopic samples Download PDFInfo
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- CN103884567A CN103884567A CN201410112535.8A CN201410112535A CN103884567A CN 103884567 A CN103884567 A CN 103884567A CN 201410112535 A CN201410112535 A CN 201410112535A CN 103884567 A CN103884567 A CN 103884567A
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- pedestal
- door frame
- slide plate
- perforate
- piston rod
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- 238000003801 milling Methods 0.000 title abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 244000137852 Petrea volubilis Species 0.000 claims description 20
- 238000005088 metallography Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000004576 sand Substances 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract 4
- 239000000498 cooling water Substances 0.000 abstract 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 238000000227 grinding Methods 0.000 description 12
- 238000005498 polishing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
A pre-milling machine for metallographic microscopic samples comprises a pedestal, tracks are arranged at both sides of the inner side of the upper part of the pedestal, the track is internally provided with a sliding plate, a sliding plate power system for driving the sliding plate to move forwards and backwards is arranged below the pedestal, a sliding bar and a sandpaper clamping mechanism are arranged at the bottom of the sliding plate, a portal frame is arranged at the upper part of the pedestal, a clamping mechanism and a water inlet pipe are arranged on the portal frame, a partition plate sliding groove for allowing the sliding bar to move forwards and backwards is arranged on the partition plate, the periphery of the sliding groove protrudes upwards to prevent the cooling water from flowing into the lower space of the pedestal through the sliding groove of the partition plate, a drainage outlet is arranged at the middle position of the bottom of the partition plate, the portal frame has portal frame openings, threads are arranged in the portal frame openings and the adjacent portal frame openings are communicated with each other by virtue of portal frame opening grooves. Scratches on the surfaces of the samples processed by the device are arranged in the same direction, and the surfaces of the samples have uniform roughness; the samples are mechanically clamped to ensure that the samples and the sandpaper are always in a fit state, thereby saving labor and being reliable; the problems of heat generation of the samples and rinsing of sand grains ground off can be solved by cooling water and the structure of the pre-milling machine is simple and feasible.
Description
Technical field
The present invention relates to a kind of equipment for metallography microscope sample mechanical polishing, particularly a kind of design of metallography microscope sample pre-mill.
Background technology
For metallographic microstructure being differentiated and being studied, need to first analyzed metal material be prepared into the sample of certain size, observe, analyze metal microstructure and distribution situation thereof through grinding, after the operation such as polishing and corrosion by metaloscope.Grinding is in order to obtain smooth flour milling, for polishing is prepared, is generally divided into corase grind and fine grinding, and the object of fine grinding is the darker polishing scratch staying while eliminating corase grind.Conventional fine grinding has manual polishing and mechanical polishing, and both all need hand-held sample: manual polishing is that one direction passing grinds on abrasive paper for metallograph, mentions sample while retracting, makes it to depart from sand paper; Mechanical polishing is that sample flour milling is gently pressed on the pre-mill that posts sand paper, utilizes the sand paper of rotation that metallographic specimen is levigate, and conventional equipment is disc type pre-mill.
Although can improving, disc type pre-mill grinds efficiency, but the metallographic specimen that sometimes can not meet degree of precision is prepared requirement, because it can not ensure sample cut in the same direction, and due to disk rotational speed difference everywhere, thereby the roughness of specimen surface also seems even not.Meanwhile, disc type pre-mill generally needs hand-held sample, and this not only easily causes the inclination of sample and steps on limit, but also the risk that exists sample to be taken out of by high speed rotating plate.If publication number is CN102528612A, patent name is the patent of " a kind of Linear reciprocating type pre-milling machine ", utilize reciprocating mechanism to make grinding platform do straight reciprocating motion, although this has ensured specimen surface cut in the same direction, but because metallographic specimen is manual clamping, thereby easily cause the inclination of sample and step on limit, and there is certain danger.Publication number is CN103234800A, patent name is the patent of " a kind of pre-grinding test sample of gold phase machine ", utilize specimen holder to avoid sample being carried out to manual clamping grinding in process, time saving and energy saving, but the structure of whole pre-mill is very complicated, kinematic train is more, meanwhile, in the friction process of sample and sand paper, the size of sample is constantly reducing, and the clamping device that this patent adopts is just fixed sample in advance, thus be difficult to ensure sample all the time with sand paper in fit-state.In addition, also there are two problems in above-mentioned two patents simultaneously: the one, and reciprocating mechanism used is slider-crank mechanism in essence, this mechanism is in fact difficult to ensure that slide block at the uniform velocity moves back and forth, thereby cannot ensures that sample grinds even surface roughness.If attempt to realize at the uniform velocity moving back and forth of slide block by Electric Machine Control,, to the having relatively high expectations of motor, cost is larger; The 2nd, do not have solve grind sample in process heating problem and grind off the washing problems of the grains of sand, thereby cannot avoid sample to be heated and cause tissue change, also cannot avoid coarse sand grain to take in fine grinding operation, cause be difficult to elimination polishing scratch.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of metallography microscope sample pre-mill, can ensure specimen surface cut in the same direction, make specimen surface roughness even, can realize again mechanical grip and keep sample and sand paper in fit-state, can also solve grinding the heating problem of sample in process and grind off the washing problems of the grains of sand.
A kind of metallography microscope sample pre-mill, it comprises pedestal, pedestal separates pedestal is divided into upper and lower two parts with dividing plate, the both sides, inner side of the upper part of pedestal offer track, in track, be provided with slide plate, the bottom of pedestal is arranged with slide plate power system, slide plate power system is used for driving slide plate to move forward and backward, slide plate bottom is provided with slide bar and sand paper clamp system, pedestal top is provided with door frame, door frame is provided with clamping device and water inlet pipe, described dividing plate is provided with dividing plate and opens chute, for moving back and forth of slide bar, chute surrounding raises up, for preventing that chilled water from flowing to the lower segment space of pedestal by dividing plate chute, the centre position, bottom of dividing plate is provided with freeing port, described door frame is provided with several door frame perforates, in perforate, there is screw thread, between adjacent door frame perforate by the door frame connection of slotting, be used for the movement of sample clamping mechanism with fixing, described clamping device is by piston rod, sleeve, spring, snap ring and elastic ring composition, one end of piston rod and sleeve socket, spring and snap ring are all located in sleeve, elastic ring is located at the inwall upper end of snap ring, on described piston rod, there are the external thread corresponding with door frame perforate and the breach with the same width of door frame fluting, the height of breach is consistent with the degree of depth of door frame fluting, and piston rod and door frame are turned on maybe will tighten time, just just align with the lower surface of door frame fluting in the upper surface of piston rod breach, and the rotation of establishing piston rod can not drive sleeve rotating, described sleeve lining be provided with two pairs of straight type grooves with and be connected their ring groove, for rotation and the location of snap ring, wherein one end of straight type groove is blocked, the two ends of straight type groove are all openings, there is a pair of bulge-structure the upper end of described snap ring, the shape of bulge-structure is mated with straight type groove and ring groove.
Above-mentioned slide plate power system comprises motor, motor output shaft is provided with belt, and the belt other end is wound around cylindrical cam, and the two ends of cylindrical cam are fixed on pedestal lower end by bearing seat, on cylindrical cam, establish rail groove, the bottom of slide bar is embedded in the rail groove of cylindrical cam.
Above-mentioned slide plate symmetria bilateralis is furnished with several rollers, and roller rolls on pedestal track.
Above-mentioned sand paper clamp system comprises the slide plate perforate being arranged on slide plate, has screw thread in perforate, offers slide plate fluting in the inner side of slide plate, is hinged with a depression bar on slide plate, and there is depression bar perforate one end of depression bar, and depression bar perforate is blind hole.
Above-mentioned dividing plate is the feature of " surrounding is high, middle low ", is convenient to chilled water and discharges.
Above-mentioned door frame two ends have been arranged symmetrically with four chucking lugs, for being installed into water pipe.
Above-mentioned water inlet pipe is provided with several apopores, and the quantity of apopore is the twice of door frame the number of openings, and the position of apopore is corresponding with the position of door frame perforate.
Between above-mentioned bearing seat and pedestal, fix by the end cap of end cap screw and base ends.
The present invention has obtained following technique effect:
Use specimen surface cut of the present invention in the same direction, and even surface roughness; Mechanical grip sample and guarantee sample and sand paper all the time in fit-state, laborsaving and reliable; Chilled water can solve the heating problem of sample and grind off the washing problems of the grains of sand, simple for structure.In addition, the present invention contributes to improve sand paper utilization factor, is applicable to grinding of different size standard sample, has good application prospect.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is mainly the partial perspective view of pedestal of the present invention;
Fig. 3 is mainly the partial perspective view of slide plate of the present invention;
Part sectioned view when Fig. 4 is mainly clamping device work of the present invention;
Fig. 5 is the partial perspective view of sleeve of the present invention;
Fig. 6 is the partial perspective view of water inlet pipe of the present invention.
In figure: pedestal 1, dividing plate 2, dividing plate fluting 2-A, freeing port 2-B, slide plate 3, slide plate perforate 3-A, slide plate fluting 3-B, depression bar bolt 4, depression bar 5, depression bar perforate 5-A, hinged place 5-B, roller 6, door frame 7, chucking lug 7-A, door frame perforate 7-B, door frame fluting 7-C, clamping device 8, external thread 8-1A, breach 8-1B, piston rod 8-1, sleeve 8-2, straight type groove 8-2A, 8-2B, ring groove 8-2C, spring 8-3, snap ring 8-4, elastic ring 8-5, sample 9, water inlet pipe 10, apopore 10-A, water inlet 10-B, sand paper 11, end cap screw 12, end cap 13, belt 14, motor 15, slide bar 16, cylindrical cam 17, bearing seat 18.
Embodiment
Shown in accompanying drawing 1, a kind of metallography microscope sample pre-mill, formed by pedestal 1, slide plate 3, clamping device 8, door frame 7, water inlet pipe 10, slide bar 16 etc., slide plate power system comprises motor 15, motor output shaft is provided with belt 14, and the belt other end is wound around cylindrical cam 17, and the two ends of cylindrical cam are fixed on pedestal lower end by bearing seat 18, on cylindrical cam, establish rail groove, the bottom of slide bar is embedded in the rail groove of cylindrical cam.
In Fig. 2, pedestal 1 use dividing plate 2 separates, pedestal 1 is divided into upper and lower two parts, on pedestal 1, the both sides, inner side of part offer track, for moving back and forth of slide plate 2, be provided with the bearing seat 18 for support cylinder cam 17 at the two ends of 1 time part of pedestal, fixing by end cap screw 12 and end cap 13 between bearing seat 18 and pedestal 1, on pedestal 1, the centre of part is crossed with door frame 7, between dividing plate 2, door frame 7 and pedestal 1, is welded and fixed.
In Fig. 2, dividing plate 2 is provided with dividing plate fluting 2-A, and for moving back and forth of slide bar 16, fluting 2-A surrounding raises up, for preventing that chilled water from flowing to the lower segment space of pedestal 1 by the dividing plate 2-A that slots.The centre position, bottom of dividing plate 2 is provided with freeing port 2-B, and dividing plate 2 is the feature of " surrounding is high, middle low ", is convenient to chilled water and discharges.
In Fig. 1,2, door frame 7 is provided with several door frame perforates 7-B, has screw thread in perforate, between adjacent door frame perforate 7-B, be communicated with by door frame fluting 7-C, be used for the movement of sample clamping mechanism 8 with fixing, door frame 7 two ends have been arranged symmetrically with four chucking lug 7-A, are mainly used in being installed into water pipe 10.
In Fig. 3, slide plate is provided with sand paper clamp system, and sand paper clamp system is included in slide plate 3 and is provided with slide plate perforate 3-A, has screw thread in perforate, offers slide plate fluting 3-B in the inner side of slide plate 3.On slide plate 3, be hinged with a depression bar 5, there is depression bar perforate 5-A one end of depression bar 5, and depression bar perforate 5-A is blind hole, fixing by depression bar bolt 4 when clamping.
In Fig. 3, slide plate 3 symmetria bilateralis are furnished with several rollers 6, and roller 6 can roll on pedestal 1 track, is fixed with slide bar 16 below slide plate 3, and one end of slide bar 16 is embedded in the middle of the rail groove of cylindrical cam 17, form cam mechanism.
In Fig. 4, clamping device 8 is made up of piston rod 8-1, sleeve 8-2, spring 8-3, snap ring 8-4 and elastic ring 8-5 etc.One end of piston rod 8-1 and sleeve 8-2 socket, spring 8-3 and snap ring 8-4 are all located in sleeve 8-2, and elastic ring 8-5 is located at the inwall upper end of snap ring 8-4.
In Fig. 4, on piston rod 8-1, there is the external thread 8-1A corresponding with door frame perforate 7-B, there is the breach 8-1B with the same width of door frame fluting 7-C, the height of breach 8-1B is consistent with the degree of depth of door frame fluting 7-C, and regulation is turned on maybe and will be tightened once piston rod 8-1 and door frame 7, the upper surface F of piston rod breach 8-1B just just aligns with the lower surface E of door frame fluting 7-C, and the rotation of establishing piston rod 8-1 can be with moving sleeve 8-2 rotation.
In Fig. 5, sleeve 8-2 inwall is provided with two couples of straight type groove 8-2A and 8-2B and is connected their ring groove 8-2C, and for rotation and the location of snap ring 8-4, wherein one end of straight type groove 8-2A is blocked, and the two ends of straight type groove 8-2B are all openings.There is a pair of bulge-structure the upper end of snap ring 8-4, and the shape of bulge-structure is mated with straight type groove and ring groove, and snap ring 8-4 has multiple different structure, can be used in conjunction with the sample of different structure size.
In Fig. 6, water inlet pipe 10 is provided with several apopores 10-A, and the quantity of apopore 10-A is the twice of door frame perforate 7-B quantity, and the position of apopore 10-A is corresponding with the position of door frame perforate 7-B.
Owing to having adopted said structure, the step of pre-grinding metallography microscope sample is:
First, sand paper 11 is filled in slide plate fluting 3-B, rotation depression bar 5, makes slide plate perforate 3-A coaxial with depression bar perforate 5-A, compresses depression bar 5, thereby clamp the sand paper 11 being contained on slide plate 3 by rotation depression bar bolt 4.Secondly, mention by hand piston rod 8-1, and the snap ring 8-4 that mates with sample of selection, the bulge-structure of snap ring 8-4 is filled in straight type groove 8-2B, by hand snap ring 8-4 upwards pushed and rotated, overcoming the acting force of spring 8-3, making two bulge-structures of snap ring 8-4 rely on ring groove 8-2C passages to move in straight type groove 8-2A, because one end of straight type groove 8-2A is blocked, thereby snap ring 8-4 can not drop.Again, sample 9 is packed in snap ring 8-4, sample 9 is owing to being subject to the extruding of the upper elastic ring 8-5 of snap ring 8-4, and 8-4 is locked each other with snap ring, thereby in the moving process of clamping device 8, sample 9 can not drop.Then, utilize the matching relationship of the upper external thread of piston rod 8-1 and door frame fluting 7-C internal thread, carry out the spring 8-3 in clamp sleeve 8-2 by tightening piston rod 8-1, make metallographic specimen 9 and sand paper 11 remain laminating.Then, open the water swivel being connected with water inlet pipe 10, water flows into from water inlet 10-B, flow on the slide plate sand paper 11 on clamping device 8 both sides by apopore 10-A.Last starter motor 15 drives cylindrical cam 17 to rotate by belt 14, relies on cam mechanism, realizes slide plate 3 uniform motion back and forth on pedestal track.Moving back and forth in process of slide plate 3, water is finally discharged by the freeing port 2-B on dividing plate 2.
In the course of the work, if think, conversion grinds the position of face, i.e. mobile clamping device 8, can first unscrew piston rod 8-1, and mention piston rod 8-1 dependence breach 8-1B and slot coordinating of 7-C with door frame, piston rod 8-1 is moved to next door frame perforate 7-B place, now put down again piston rod 8-1 and start to tighten, just can carry out the spring 8-3 in clamp sleeve 8-2 by piston rod 8-1, make metallographic specimen 9 and sand paper 11 keep laminating, and ensure sample 9 surface scratch self-consistentencies.
Claims (8)
1. a metallography microscope sample pre-mill, it is characterized in that: it comprises pedestal (1), dividing plate for pedestal (2) separates pedestal is divided into upper and lower two parts, the both sides, inner side of the upper part of pedestal offer track, in track, be provided with slide plate (3), the bottom of pedestal is arranged with slide plate power system, slide plate power system is used for driving slide plate to move forward and backward, slide plate bottom is provided with slide bar (16) and sand paper clamp system, pedestal top is provided with door frame (7), door frame is provided with clamping device (8) and water inlet pipe (10), described dividing plate is provided with dividing plate and opens chute (2-A), for moving back and forth of slide bar, chute surrounding raises up, for preventing that chilled water from flowing to the lower segment space of pedestal by dividing plate chute, the centre position, bottom of dividing plate is provided with freeing port (2-B), described door frame is provided with several door frame perforates (7-B), in perforate, there is screw thread, between adjacent door frame perforate by door frame slot (7-C) be communicated with, be used for the movement of sample clamping mechanism with fixing, described clamping device is by piston rod (8-1), sleeve (8-2), spring (8-3), snap ring (8-4) and elastic ring (8-5) composition, one end of piston rod and sleeve socket, spring and snap ring are all located in sleeve, elastic ring is located at the inwall upper end of snap ring, on described piston rod, there are the external thread corresponding with door frame perforate (8-1A) and the breach (8-1B) with the same width of door frame fluting, the height of breach is consistent with the degree of depth of door frame fluting, and piston rod and door frame are turned on maybe will tighten time, just just align with the lower surface of door frame fluting in the upper surface of piston rod breach, and the rotation of establishing piston rod can not drive sleeve rotating, described sleeve lining is provided with two pairs of straight type grooves (8-2A) and (8-2B) and is connected their ring groove (8-2C), for rotation and the location of snap ring, wherein one end of straight type groove is blocked, the two ends of straight type groove are all openings, there is a pair of bulge-structure the upper end of described snap ring, the shape of bulge-structure is mated with straight type groove and ring groove.
2. metallography microscope sample pre-mill according to claim 1, it is characterized in that: described slide plate power system comprises motor (15), motor output shaft is provided with belt (14), the belt other end is wound around cylindrical cam (17), the two ends of cylindrical cam are fixed on pedestal lower end by bearing seat (18), on cylindrical cam, establish rail groove, the bottom of slide bar is embedded in the rail groove of cylindrical cam.
3. metallography microscope sample pre-mill according to claim 2, is characterized in that: described slide plate symmetria bilateralis is furnished with several rollers (6), and roller rolls on pedestal track.
4. metallography microscope sample pre-mill according to claim 2, it is characterized in that: described sand paper clamp system comprises the slide plate perforate (3-A) being arranged on slide plate, in perforate, there is screw thread, offer slide plate fluting (3-B) in the inner side of slide plate, on slide plate, be hinged with a depression bar (5), there is depression bar perforate (5-A) one end of depression bar, and depression bar perforate is blind hole.
5. metallography microscope sample pre-mill according to claim 1 and 2, is characterized in that: described dividing plate is the feature of " surrounding is high, middle low ", is convenient to chilled water and discharges.
6. metallography microscope sample pre-mill according to claim 1 and 2, is characterized in that: described door frame two ends have been arranged symmetrically with four chucking lugs (7-A), for being installed into water pipe.
7. metallography microscope sample pre-mill according to claim 1 and 2, it is characterized in that: described water inlet pipe is provided with several apopores (10-A), the quantity of apopore is the twice of door frame the number of openings, and the position of apopore is corresponding with the position of door frame perforate.
8. metallography microscope sample pre-mill according to claim 1 and 2, is characterized in that: the end cap (13) by end cap screw (12) and base ends between described bearing seat and pedestal is fixing.
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CN201410112535.8A CN103884567B (en) | 2014-03-25 | 2014-03-25 | A kind of metallography microscope sample pre-mill |
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CN103884567B CN103884567B (en) | 2016-03-23 |
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Cited By (4)
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CN105252411A (en) * | 2015-10-26 | 2016-01-20 | 长安大学 | Clamp with automatically steerable clamping head |
CN105510107A (en) * | 2016-01-25 | 2016-04-20 | 太原科技大学 | Metallographic sample polishing device |
CN107671655A (en) * | 2017-11-14 | 2018-02-09 | 广东大雅智能厨电股份有限公司 | Profiled-cross-section tubing plane is roughly ground and fine grinding integrative-structure |
CN111595644A (en) * | 2020-05-26 | 2020-08-28 | 中国地质科学院矿产资源研究所 | Rock sample grinding and polishing loading device, sample preparation system and sample preparation method |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105510107A (en) * | 2016-01-25 | 2016-04-20 | 太原科技大学 | Metallographic sample polishing device |
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CN107671655A (en) * | 2017-11-14 | 2018-02-09 | 广东大雅智能厨电股份有限公司 | Profiled-cross-section tubing plane is roughly ground and fine grinding integrative-structure |
CN111595644A (en) * | 2020-05-26 | 2020-08-28 | 中国地质科学院矿产资源研究所 | Rock sample grinding and polishing loading device, sample preparation system and sample preparation method |
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