CN110644024B - Electronic component re-melting production system and production process thereof - Google Patents
Electronic component re-melting production system and production process thereof Download PDFInfo
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- CN110644024B CN110644024B CN201910889825.6A CN201910889825A CN110644024B CN 110644024 B CN110644024 B CN 110644024B CN 201910889825 A CN201910889825 A CN 201910889825A CN 110644024 B CN110644024 B CN 110644024B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Abstract
The invention discloses an electronic component re-melting production system and a production process thereof, wherein a series of procedures of discharging, drying and preheating, melting in an air furnace, soaking and cooling, wind resistance blow-drying, material receiving and the like are carried out on an electroplated strip electronic component, so that a bright (mirror surface) coating is formed on a dark tin coating on the surface of the electronic component in an instant melting and water cooling mode, the surface quenching treatment is carried out on the high-temperature material, the hardness of the material is increased, the plugging resistance of the electronic element can be improved, the traditional mode of forced cooling by immediate air blowing is changed, the surface of the material is easy to generate wind veins, meanwhile, the melting equipment is almost in seamless connection with the water cooling equipment, so that the forming rate of a bright (mirror surface) coating is greatly improved, and compared with the traditional method of adding a brightener, the method can form a surface coating with very high glossiness, and ensures the appearance quality and the service performance of a better product.
Description
Technical Field
The invention relates to the technical field of surface coating treatment of electronic elements, in particular to an electronic element re-melting production system and a production process thereof.
Background
After the electronic element is subjected to the electrotinning process, a dark tin plating layer is formed on the surface of the electronic element, so that the surface glossiness of the electronic element is insufficient, and the binding force, the weldability and the electric conductivity of the electronic element are influenced. In a general treatment mode, a brightener is added in the electroplating process to reduce the adsorption of impurities in the electroplating process as much as possible, but no matter how to adjust the components and the dosage of the brightener, the glossiness of the surface of the electronic element still cannot be greatly improved after the electroplating is finished, the brightening improvement effect is not obvious, and some dark impurities exist more or less. Therefore, there is a need to find an alternative way to replace the method of adding brighteners to convert dark tin coatings to bright or mirror coatings, thereby improving the gloss and performance of the tin coatings.
Disclosure of Invention
The invention aims to provide an electronic element re-melting production system and a production process thereof, so as to increase the brightness of the surface of an electronic element and increase the bonding force, the weldability and the conductivity of a tin coating.
The purpose of the invention is realized by the following technical scheme: the utility model provides an electronic component melts production system again, includes that the level just arranges in proper order that double-disk blowing machine, direction tensioner, front side stoving case, preheating cabinet, atmosphere stove, water tank, rear side stoving case, speed governing tractor and tension receive the material machine, the export of atmosphere stove links to each other with the import of the one end of water tank, and water tank one side is provided with the aqua storage tank, and the aqua storage tank is interior to be injected into has the water source that is less than the normal atmospheric temperature, is provided with an at least inlet tube and an at least outlet pipe between aqua storage tank and the water tank, installs the water pump on the inlet tube.
Further, the water tank comprises a tank body, a guide wheel component and a spraying component, wherein an inlet is formed in one side of the tank body, an outlet is formed in the other side of the tank body, the inlet of the tank body is connected with the outlet of the atmosphere furnace through a flange, two partition plates for horizontally dividing the inner cavity of the tank body into three containing spaces are arranged in the tank body, the two partition plates are parallel to each other, a through hole is formed in each partition plate, drain holes are formed in the containing spaces on the two sides, a drain pipe is connected between each drain hole and the water storage tank, a water inlet hole is formed in the middle containing space, a water inlet pipe is connected between each water inlet hole and the water storage tank, the guide wheel component is arranged between the two partition plates and comprises a support plate and a plurality of guide wheels arranged on the support plate, the support plate is arranged between the two partition plates, the spraying component is communicated with the water inlet pipe.
Furthermore, the spraying assembly comprises a communicating pipe and a sprayer with an inner cavity, one end of the communicating pipe is connected with the water inlet pipe through a flange, the other end of the communicating pipe is communicated with the inner cavity of the sprayer, and a plurality of spraying holes communicated with the inner cavity of the sprayer are processed on the lower surface of the sprayer.
Further, the sprinkler includes inner bag and outer courage, and outer courage one side is opened there is outer water inlet, communicating pipe one end is connected with outer water inlet, one side that the inner bag of sprinkler is close to outer water inlet is opened there is interior water inlet, all is provided with the closing plate on the inner bag wall of interior water inlet both sides, and the closing plate middle part is articulated with the inner bag wall, and the closing plate outside can closely laminate and prevent in rivers get into outer courage with the outer courage wall of outer water inlet department, be provided with in the sprinkler and be used for making two closing plates draw close together or detached switch module simultaneously.
Furthermore, the switch component comprises a T-shaped three-way shell, a screw rod, a push plug and two locking rods, the three-way shell is fixed at an inner water inlet of the inner container, one end of the screw rod penetrates through the sprinkler and is in threaded fit with a vertical branch pipe of the three-way shell, the push plug is positioned in the vertical branch pipe of the three-way shell and is connected with a screwing end of the screw rod, the two locking rods are respectively slidably positioned in two horizontal branch pipes of the three-way shell, the inner end face of each locking rod is an inclined face, the inclined face inclines to one side far away from the push plug, and the outer end face of each locking rod is in contact with the inner side of the sealing.
Further, the sealing plate is made of stainless steel, and the outer end of the lock rod is a magnetic head.
Furthermore, a square hole is formed above the partition plate and is positioned right above the through hole, and two ends of the sprinkler respectively penetrate through the square hole.
Furthermore, the guide wheels are uniformly divided into two rows and are arranged between the two through holes, the arrangement direction of each row of guide wheels is the same as the connecting line direction of the two through holes, and the guide wheels in one row are movably arranged on the supporting plate.
Furthermore, the guide wheel movably arranged on the supporting plate can slide towards the direction vertical to the connecting line direction of the two through holes.
A re-melting production process of electronic elements by adopting a re-melting production system of the electronic elements comprises the steps of sequentially pulling strip electronic elements wound on a double-disc feeder to pass through a guide tensioner, a front side drying box, a preheating box, an atmosphere furnace, a water pump, a rear side drying box and a speed-regulating tractor and finally to be wound on a tension material collecting machine, starting the double-disc feeder, the guide tensioner, the front side drying box, the preheating box, the atmosphere furnace, the water tank, the rear side drying box, the speed-regulating tractor and the tension material collecting machine, regulating the drying temperature of the front drying box to 100-150 ℃, regulating the preheating temperature of the preheating box to 150-220 ℃, regulating the hot melting temperature of the atmosphere furnace to 400-500 ℃, controlling the water source temperature in the water tank to 15-25 ℃ and regulating the drying temperature of the rear drying box to 100-150 ℃.
The invention carries out a series of procedures of discharging, drying and preheating, melting in an air furnace, soaking and cooling, wind resistance blow-drying, receiving and the like on the electroplated strip electronic component, so that a dark tin coating on the surface of the electronic component original is formed into a bright (mirror surface) coating in an instant melting and water cooling mode, and a high-temperature material is subjected to surface quenching treatment, thereby increasing the hardness of the material, improving the plugging resistance of the electronic component, changing the traditional immediate blowing forced cooling mode, easily generating wind lines on the surface of the material, and simultaneously enabling the melting equipment to be almost seamlessly connected with the water cooling equipment, greatly improving the forming speed of the bright (mirror surface) coating, forming a surface coating with very high glossiness compared with the traditional brightener adding mode, and ensuring the appearance quality and the service performance of a better product.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the water tank of the present invention;
FIG. 3 is a schematic view of a part of the structure of the water tank of the present invention;
FIG. 4 is a schematic view showing the internal structure of the sprinkler according to the present invention;
fig. 5 is a schematic structural diagram of the switch assembly of the present invention.
The labels in the figure are: 1-double-tray discharging machine; 2-guiding a tension machine; 3-a front drying oven; 4-preheating box; 5-atmosphere furnace; 6-a water tank; 7-a water storage tank; 8-a water pump; 9-a drain pipe; 10-a water inlet pipe; 11-a post-drying oven; 12-speed governing traction machine; 13-tension material receiving machine; 14-tape type electronic components; 61-a box body; 62-rear partition board; 63-a front baffle; 64-sprinklers; 65-communicating tube; 66-a guide wheel assembly; 67-drain holes; 68-an outlet; 69-punching; 641-outer bladder; 642-inner container; 643-spray orifice; 644-sealing plate; 645 — a switching component; 661-support plate; 662-guide wheels; 663-strip hole; 664-an axle; 6451-three-way housing; 6452-screw; 6453-connecting pins; 6454-a plunger; 6455-locking bar; 6456-magnetic head.
Detailed Description
As shown in fig. 1 to 5, the electronic component remelting production system provided in this embodiment includes a double-tray feeding machine 1, a guiding tension machine 2, a front-side drying box 3, a preheating box 4, an atmosphere furnace 5, a water tank 6, a rear-side drying box 11, a speed-adjusting tractor 12 and a tension receiver 13, which are horizontally and sequentially arranged, and the strip-like electronic component 14 wound on the double-tray feeding machine 1 is sequentially pulled to pass through the guiding tension machine 2, the front-side drying box 3, the preheating box 4, the atmosphere furnace 5, the water tank 6, the rear-side drying box 11 and the speed-adjusting tractor 12 and finally wound on the tension receiver 13, so as to constitute the whole electronic component remelting production system, and since the key part of the dark tin coating on the surface of the strip-like electronic component 14 is converted into a bright (mirror) coating, which is a process of instantly melting of the atmosphere furnace 5 and water cooling, the connection mode of the emphasis water tank 6 and the structure of the water tank 6 are improved and designed in this system, the rest can be replaced by the existing mature product.
In this embodiment, the water tank 6 is directly connected to the atmosphere furnace 5 to shorten the traveling path of the strip-type electronic component 14 and ensure timely water cooling, specifically, the water tank 6 includes a box 61, a guide wheel assembly 66 and a spraying assembly, one side of the box 61 is provided with an inlet, the other side is provided with an outlet 68, the inlet of the box 61 is connected to the outlet of the atmosphere furnace 5 through a flange to achieve seamless connection as much as possible, the box 61 is provided with a front partition 63 and a rear partition 62 which horizontally divide the inner cavity of the box 61 into three containing spaces, the front partition 63 and the rear partition 62 are parallel to each other and are provided with a through hole 69 on the surface, in order to ensure that the through hole 69 is adjustable, a circular plate as shown in fig. 3 can be detachably connected to the partition through a bolt, and the through plate is replaced to change the form of the through hole 69, so as to. In this embodiment, two through holes 69 are aligned with the centers of the inlet and outlet 68 of the case 61 to facilitate the passage of the tape type electronic component 14, and the two through holes 69 are preferably elongated holes matching the shape of the tape type electronic component 14.
The box 61 one side is provided with aqua storage tank 7, it has the mobile water source that is less than normal atmospheric temperature (25 ℃) to pour into in the aqua storage tank 7, mobile water source realizes through being connected with the running water pipe, all be provided with wash port 67 in the splendid attire space of both sides, be connected with drain pipe 9 between wash port 67 and the aqua storage tank 7, be provided with the inlet opening in the splendid attire space of centre, connect inlet tube 10 between inlet opening and the aqua storage tank 7, install water pump 8 on the inlet tube 10, water pump 8 pumps the cooling water source in the aqua storage tank 7 to the inlet tube 10 in the splendid attire space in the middle of reentrant, the water source lasts and overflows to perforation 69 and in the splendid attire space of both sides again, the strip class electronic component 14 that passes.
In order to facilitate the electronic component 14 of the tape type to smoothly pass through the front partition 63 and the rear partition 62, the guide wheel assembly 66 is disposed between the front partition 63 and the rear partition 62, the guide wheel assembly 66 includes a support plate 661 and a plurality of guide wheels 662 disposed on the support plate 661, the support plate 661 is fixed between the two partitions below the through holes 69, the plurality of guide wheels 662 are equally divided into two rows and arranged on the support plate 661 between the two through holes 69, the arrangement direction of each row of guide wheels is the same as the connecting direction of the two through holes 69, one of the rows of guide wheels 662 is movably mounted on the support plate 662, the guide wheels 662 movably mounted on the support plate 661 can slide in the direction perpendicular to the connecting direction of the two through holes 69, specifically, a plurality of strip holes 663 equal to the number of guide wheels 662 in the single row of guide wheels 662 are formed on the support plate 661, the length direction of the strip holes 663, the axle 664 of the guide wheel 662 passes through the strip-shaped hole 663, and a portion of the axle 664 passing through the strip-shaped hole 663 is threaded, and two nuts are fitted to the portion, which are respectively located on the upper and lower sides of the support plate 661, and the position of the guide wheel 662 can be changed by screwing or unscrewing the two nuts, thereby accommodating the tape-like electronic components 14 of different widths to be guided.
Considering the phenomenon of uneven water cooling on the upper surface and the lower surface of the strip electronic component 14, the spraying assembly is fixed between the front partition 63 and the rear partition 62 above the through hole 69, specifically, the spraying assembly comprises an L-shaped communicating pipe 65 and a sprayer 64 with an inner cavity, one end of the communicating pipe 65 is connected with the water inlet pipe 10 through a flange, the other end of the communicating pipe 65 is communicated with the inner cavity of the sprayer 64, the lower surface of the sprayer 64 is processed with a plurality of spraying holes 643 communicated with the inner cavity of the sprayer 64, the front partition 63 and the rear partition 62 are both provided with square holes, the square holes are positioned right above the through hole 69, two ends of the sprayer 64 respectively pass through the square holes, so that the effective spraying area of the sprayer 64 can be increased, the water pump 8 pumps the cooling water source in the water storage tank 7 into the water inlet pipe 10, the cooling water enters the sprayer 64 through the communicating pipe 65 for spraying, and the sprayed water source, and the sprayed water source continuously overflows in the middle containing space at the same time to carry out water cooling on the lower surface of the electronic element 14, so that the water cooling uniformity of the upper surface and the lower surface of the strip electronic element 14 is greatly improved.
Considering that the two different types of strip electronic components 14 commonly used in production also have uneven water cooling due to different widths, in this embodiment, the strip electronic component 14 with a larger width is used for design, so as to selectively change the spraying area of the sprayer 64 to adapt to the two strip electronic components 14 with different widths for water cooling, specifically, the sprayer 64 includes an inner container 642 and an outer container 641, an outer water inlet is formed at one side of the outer container 641, one end of the communicating pipe 65 is connected with the outer water inlet by a flange, an inner water inlet is formed at one side of the inner container 642 near the outer water inlet, sealing plates 644 are respectively arranged on the walls of the inner container 642 at the two sides of the inner water inlet, the middle parts of the sealing plates 644 are hinged with the walls of the inner container 642 by hinges, the outer sides of the sealing plates 644 can be tightly attached to the walls of the outer container 641 at the outer water inlet to prevent water from entering the outer container, the preferable attaching method is oblique surface attaching, a switch assembly 645 for simultaneously closing or separating the two sealing plates 644 is arranged in the sprinkler 64, when the two sealing plates 644 are closed, the passage at the inlet of the outer container 641 is blocked, so that the water source in the communicating pipe 65 is prevented from entering the outer container 641, when the two sealing plates 644 are separated, the passage at the inlet of the outer container 641 is opened, and the water source in the communicating pipe 65 can enter the outer container 641.
In view of convenience and reliability of the switching assembly 645, the switching assembly 645 includes a T-shaped three-way housing 6451, a screw 6452, a plunger 6454, and two locking rods 6455, the three-way housing 6451 is fixed at an inner water inlet of the inner container 642, a top wall of a vertical leg thereof is welded to a top wall of an inner cavity of the sprinkler 64, one end of the screw 6452 passes through the sprinkler 64 and is screw-engaged with the vertical leg of the three-way housing 6451, the other end of the screw 6452 has a nut, the plunger 6454 is positioned in the vertical leg of the three-way housing 6451 and is connected to a screwing end of the screw 6452 by a connecting pin 6453, one end of the connecting pin 6453 is welded to a lower end surface of the screw 6452, the other end thereof passes through the plunger 6454 and is fixed with a retainer ring, the two locking rods 6455 are slidably positioned in the two lateral legs of the three-way housing 6451, respectively, an inner end surface of the locking rod 6455 is an inclined surface, the inclined surface is inclined toward a side away from, in order to ensure the stability of the abutting connection, the sealing plate 644 is made of stainless steel, the outer end of the locking rod 6455 is a magnetic head 6456, the screw 6452 is rotated outside the sprayer 64, the push plug 6454 moves downwards, the two locking rods 6455 are spread to abut against the inner side of the sealing plate 644, the outer sides of the sealing plate 644 are close to each other, finally, the purpose of blocking a passage at the inlet of the outer container 641 is achieved, the screw 6452 is rotated reversely, the push plug 6454 moves upwards, the two locking rods 6455 are in a free sliding state within a certain distance, the sealing plate 644 is in a free rotating state, a high-pressure water source in the communicating pipe 65 pushes the sealing plate 644 away, so that the water source enters the outer container 641, the effective spraying area of the sprayer 64 is increased, and the spraying water cooling of the wider strip electronic component 14 is adapted.
The embodiment also provides an electronic component production process adopting the electronic component re-melting production system, firstly, a strip-type electronic component 14 wound on a double-disk feeder 1 is sequentially pulled to pass through a guide tensioner 2, a front side drying box 3, a preheating box 4, an atmosphere furnace 5, a water tank 6, a rear side drying box 11 and a speed-regulating tractor 12 and finally wound on a tension material collecting machine 13, the guide tensioner 2, the front side drying box 3, the preheating box 4, the atmosphere furnace 5, a water pump 8, the rear side drying box 11 and the speed-regulating tractor 12 are respectively started, the drying temperature of the front drying box 3 is regulated to 100-150 ℃, preferably 120 ℃, the preheating temperature of the preheating box 4 is regulated to 150-220 ℃, preferably 200 ℃, the hot melting temperature of the atmosphere furnace 5 is regulated to 400-500 ℃, preferably 480 ℃, the water source temperature in the water tank 6 is controlled to 15-25 ℃, preferably 20 ℃, the temperature control mode is realized by continuously injecting a cold water source, the temperature is measured by a thermometer, the water source entering the water tank 6 is lower than the normal temperature, the drying temperature of the rear drying box is adjusted to 100-150 ℃, the temperature is preferably 120 ℃, the material is prevented from being annealed and softened due to overhigh temperature, the double-disc discharging machine 1 and the tension receiving machine 13 are started, the speed parameters of the double-disc discharging machine 1 and the tension receiving machine 13 are adjusted, the remelting process automation of the strip electronic element 14 is realized, and the part of the head which is not subjected to the remelting process is cut off.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.
Claims (9)
1. An electronic component re-melting production system is characterized in that: the device comprises a double-disc discharging machine, a guiding tensioner, a front side drying box, a preheating box, an atmosphere furnace, a water tank, a rear side drying box, a speed-regulating tractor and a tension material collecting machine which are horizontally and sequentially arranged, wherein an outlet of the atmosphere furnace is connected with an inlet at one end of the water tank, a water storage tank is arranged at one side of the water tank, a water source lower than the normal temperature is injected into the water storage tank, at least one water inlet pipe and at least one water outlet pipe are arranged between the water storage tank and the water tank, and a water pump is arranged on the water;
the water tank comprises a tank body, a guide wheel component and a spraying component, wherein an inlet is formed in one side of the tank body, an outlet is formed in the other side of the tank body, the inlet of the tank body is connected with the outlet of the atmosphere furnace through a flange, two partition plates for horizontally dividing the inner cavity of the tank body into three containing spaces are arranged in the tank body, the two partition plates are parallel to each other, a through hole is formed in each partition plate, drain holes are formed in the containing spaces on the two sides, a drain pipe is connected between each drain hole and a water storage tank, a water inlet hole is formed in the containing space in the middle, a water inlet pipe is connected between each water inlet hole and the water storage tank, the guide wheel component is arranged between the two partition plates, the guide wheel component comprises a supporting plate and a plurality of guide wheels arranged on the supporting plate, the supporting, the spraying component is communicated with the water inlet pipe.
2. The electronic component re-melting production system of claim 1, wherein: the spraying assembly comprises a communicating pipe and a sprayer with an inner cavity, one end of the communicating pipe is connected with the water inlet pipe through a flange, the other end of the communicating pipe is communicated with the inner cavity of the sprayer, and a plurality of spraying holes communicated with the inner cavity of the sprayer are formed in the lower surface of the sprayer.
3. The electronic component re-melting production system of claim 2, wherein: the sprinkler includes inner bag and outer courage, and outer courage one side is opened there is outer water inlet, communicating pipe one end is connected with outer water inlet, one side that the inner bag of sprinkler is close to outer water inlet is opened there is interior water inlet, all is provided with the closing plate on the inner bag wall of interior water inlet both sides, and the closing plate middle part is articulated with the inner bag wall, in the closing plate outside can closely laminate and prevent rivers entering outer courage with the outer courage wall of outer water inlet department, be provided with in the sprinkler and be used for making two closing plates draw close or detached switch module simultaneously.
4. The electronic component re-melting production system of claim 3, wherein: the switch component comprises a T-shaped three-way shell, a screw rod, a push plug and two locking rods, the three-way shell is fixed at an inner water inlet of the inner container, one end of the screw rod penetrates through the sprinkler and is in threaded fit with a vertical branch pipe of the three-way shell, the push plug is positioned in the vertical branch pipe of the three-way shell and is connected with a screwing end of the screw rod, the two locking rods are respectively slidably positioned in two transverse branch pipes of the three-way shell, the inner end face of each locking rod is an inclined face, the inclined face inclines to one side far away from the push plug, and the outer end face of each locking rod is in contact with the inner side of.
5. The electronic component re-melting production system of claim 4, wherein: the sealing plate is made of stainless steel, and the outer end of the lock rod is a magnetic head.
6. The electronic component re-melting production system of claim 3, wherein: a square hole is formed above the partition plate and is positioned right above the through hole, and two ends of the sprinkler respectively penetrate through the square hole.
7. The system for re-melting electronic components as claimed in any one of claims 1 to 6, wherein: the guide wheels are uniformly divided into two rows and are arranged between the two through holes, the arrangement direction of each row of guide wheels is the same as the connecting line direction of the two through holes, and one row of guide wheels is movably arranged on the supporting plate.
8. The electronic component re-melting production system of claim 7, wherein: the guide wheel movably arranged on the supporting plate can slide towards the direction vertical to the connecting line direction of the two through holes.
9. An electronic component re-melting production process using the electronic component re-melting production system according to claim 1, characterized in that: the method comprises the steps of sequentially drawing and conveying belt electronic components wound on a double-disc discharging machine to pass through a guide tensioner, a front side drying box, a preheating box, an atmosphere furnace, a water pump, a rear side drying box and a speed regulation tractor, and finally winding the belt electronic components on a tension material collecting machine, starting the double-disc discharging machine, the guide tensioner, the front side drying box, the preheating box, the atmosphere furnace, a water tank, the rear side drying box, the speed regulation tractor and the tension material collecting machine, adjusting the drying temperature of the front drying box to 100-150 ℃, adjusting the preheating temperature of the preheating box to 150-220 ℃, adjusting the hot melting temperature of the atmosphere furnace to 400-500 ℃, controlling the water source temperature in the water tank to 15-25 ℃, and adjusting the drying temperature of the rear drying box to 100-150 ℃.
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| CN201910889825.6A CN110644024B (en) | 2019-09-20 | 2019-09-20 | Electronic component re-melting production system and production process thereof |
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| CN201910889825.6A CN110644024B (en) | 2019-09-20 | 2019-09-20 | Electronic component re-melting production system and production process thereof |
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| CN110644024B true CN110644024B (en) | 2021-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01123092A (en) * | 1987-11-05 | 1989-05-16 | Kawasaki Steel Corp | Method for controlling amount of alloy in tin plating layer |
| JPH059783A (en) * | 1991-06-28 | 1993-01-19 | Kawasaki Steel Corp | Method for preventing stain of tin electroplated steel sheet in quenching |
| JP4402132B2 (en) * | 2007-05-18 | 2010-01-20 | 日鉱金属株式会社 | Reflow Sn plating material and electronic component using the same |
| JP5984981B2 (en) * | 2015-02-24 | 2016-09-06 | Ｊｘ金属株式会社 | Sn plating material for electronic parts |
| CN109943692A (en) * | 2019-04-15 | 2019-06-28 | 石家庄石基科贸有限公司 | A kind of intelligence end face quenching press and its working method |
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