CN106825989A - A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology - Google Patents
A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology Download PDFInfo
- Publication number
- CN106825989A CN106825989A CN201710129210.4A CN201710129210A CN106825989A CN 106825989 A CN106825989 A CN 106825989A CN 201710129210 A CN201710129210 A CN 201710129210A CN 106825989 A CN106825989 A CN 106825989A
- Authority
- CN
- China
- Prior art keywords
- condenser pipe
- refrigeration plant
- compressor circuit
- silver solder
- plant compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0227—Rods, wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3006—Ag as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
It is by mass percentage Ag44.0~46.0%, Cu29.0~31.0%, Zn23.0~25.0%, In0.8~1.2% in its component the invention discloses a kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe.The silver solder solidus temperature that the present invention is obtained is 650 DEG C, liquidus temperature is 720 DEG C, reach the technical standard of the conventional BAg45CuZn silver solders of current refrigeration plant compressor circuit, condenser pipe, the present invention has obtained having more preferable welding effect by adding In components, has good application prospect in terms of refrigeration plant compressor circuit, condenser pipe welding.
Description
Technical field
The present invention relates to welding material of metal field, and in particular to the special silver of refrigeration plant compressor circuit, condenser pipe
Solder.
Background technology
With China's economic development, for the raising of refrigerating field compressor, the demand of condenser and quality, compressor
Pipeline, condenser pipe solder technology are particularly significant for the service life of refrigeration plant, and more high-quality is easy to use meets for exploitation
The solder of national standard turns into the important research direction of this area.
Compressor circuit, the requirement of condenser pipe solder technology are very high, and compressor operation speed is very in operation for refrigeration plant
Hurry up, braking is rapid, compressor circuit, the welding position of condenser pipe are subject to the superposition that jerk suddenly plays impulsive force, vibration force etc. to make
With, it is easy to there are crack conditions, cause major quality accident.While weld strength is met, reduce welding temperature to protect
Strength of parent after card welding, welding material would generally be using the relatively low BAg45CuZn silver solders of fusing point, but this solder
Requirement to welding conditions such as welding temperature uniformities is harsher, therefore special for refrigeration plant compressor circuit, condenser pipe
Use silver solder realistic meaning.
The content of the invention
The purpose of the present invention, the characteristics of aiming at refrigeration plant, develops a kind of special silver solder.
The object of the present invention is achieved like this：
The present invention provides a kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe includes following components and quality
Percentage composition：Ag44.0~46.0%, Cu29.0~31.0%, Zn23.0~25.0%, In0.8~1.2%, above component it
Be 100%.
The present invention also provides a kind of refrigeration plant compressor circuit, the optimization formula of the special silver solder of condenser pipe, including
Following components and weight/mass percentage composition Ag45%, Cu30%, Zn24%, In1.0%.
The present invention also provides a kind of refrigeration plant compressor circuit, the production technology of the special silver solder of condenser pipe, including
Following steps：
(1) smelting furnace that silver, copper, zinc, indium are put into Medium frequency induction control is carried out into melting, is fully stirred after being completely melt
Mix, 900~950 DEG C of smelting temperature；
(2) except removing dross, horizontal casting, a diameter of 12~13mm of φ of prepares line base, automatic lopping, pulling rate 1m/ are carried out
min；
(3) line base prepared by step (2) is repeatedly rolled by three-high mill, is rolled to the line of 7.0~7.5mm of φ
Material；
(4) stretched the wire rod of step (3) institute's moral wire rod tube reducing to 2~3mm of φ by common wire drawing machine；
(5) by filament cutter first step (4) is said wire rod align after cut into 500mm bars long；
(6) the bar removal surface and oil contaminant of step (5) and oxide layer can be obtained of the invention using tumbling mode
Silver solder.
The step (3) in a kind of above-mentioned refrigeration plant compressor circuit, the production technology of the special silver solder of condenser pipe
Also include eliminating the annealing operation of processing hardening, annealing temperature is 600 DEG C.
Its solidus temperature is 650 DEG C on the silver solder that the present invention is provided, and liquidus temperature (considers survey for 720 DEG C
Determine error), the present invention provide technical scheme for the BAg45CuZn solders in prior art, with soldered fitting
The characteristics of anti-vibration fatigue behaviour and good comprehensive mechanical performance, it is particularly well-suited to refrigeration plant compressor circuit, condenser pipe welding.
Specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Following examples use commercially available silver, cathode copper, metallic zinc, indium metal, are weighed by formula in embodiment, use
Following steps are prepared：
(1) smelting furnace that silver, copper, zinc, indium are put into Medium frequency induction control is carried out into melting, is fully stirred after being completely melt
Mix, 950 DEG C of smelting temperature；
(2) except removing dross, horizontal casting, a diameter of φ 12mm of prepares line base, automatic lopping, pulling rate 1m/min are carried out；
(3) line base prepared by step (2) is repeatedly rolled by three-high mill and is carried out annealing operation, annealing temperature
It is 600 DEG C, is rolled to the wire rod of φ 7.0mm；
(4) stretched the wire rod of step (3) institute's moral wire rod tube reducing to φ 2mm by common wire drawing machine；
(5) by filament cutter first step (4) is said wire rod align after cut into 500mm bars long；
(6) the bar removal surface and oil contaminant of step (5) and oxide layer can be obtained of the invention using tumbling mode
Silver solder.
Embodiment 1：
45.0% Ag, 30.0% Cu, 24% Zn, 1.0% In.The silver solder that mentioned component proportioning is obtained is used
Gas brazing mode, does not use brazing flux, brazed seam strength of joint when soldering mother metal is following combination to see data in bracket：Red copper-
Red copper (Rm=240 ± 20MPa), mild steel-mild steel (Rm=380 ± 20MPa), low-alloy steel-low-alloy steel (Rm=
460 ± 20MPa), with BAg45CuZn, solder coordinates scaling powder soldering red copper-red copper, mild steel-mild steel, low-alloy
The soldered fitting mechanical property of steel-low-alloy steel is suitable.
Embodiment 2：
44.0% Ag, 30.0% Cu, 25% Zn, 1.0% In.The silver solder that mentioned component proportioning is obtained is used
Gas brazing mode, does not use brazing flux, brazed seam strength of joint when soldering mother metal is following combination to see data in bracket：Red copper-
Red copper (Rm=230 ± 20MPa), mild steel-mild steel (Rm=370 ± 20MPa), low-alloy steel-low-alloy steel (Rm=
450 ± 20MPa), with BAg45CuZn, solder coordinates scaling powder soldering red copper-red copper, mild steel-mild steel, low-alloy
The soldered fitting mechanical property of steel-low-alloy steel is suitable.
Embodiment 3：
46.0% Ag, 30.0% Cu, 23% Zn, 1.0% In.The silver solder that mentioned component proportioning is obtained is used
Gas brazing mode, does not use brazing flux, brazed seam strength of joint when soldering mother metal is following combination to see data in bracket：Red copper-
Red copper (Rm=250 ± 20MPa), mild steel-mild steel (Rm=400 ± 20MPa), low-alloy steel-low-alloy steel (Rm=
480 ± 20MPa), with BAg45CuZn, solder coordinates scaling powder soldering red copper-red copper, mild steel-mild steel, low-alloy
The soldered fitting mechanical property of steel-low-alloy steel is suitable.
The present invention with the addition of after component In, and fusing point decreases, and reduce brazing temperature.Component becomes in prescribed limit
Dynamic, joint mechanical property is suitable with existing product, without the big change of appearance.The technical scheme that the present invention is provided is relative to existing
For BAg45CuZn solders in technology, it is larger that it spreads speed, area under identical brazing temperature, secondly with mother
Material associativity more preferably, can well soak mother metal, the contact surface and adhesion in gap, increase and mother metal be penetrated into, with more preferable
Mobility and wetability；And because the relatively low therefore required welding temperature of fusing point itself is relatively low, reduce mother metal
Deformation extent and post-weld stress.The features such as soldered fitting anti-vibration fatigue behaviour and good comprehensive mechanical performance, it is particularly well-suited to system
Cool equipment compressor circuit, condenser pipe welding.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent skills
Art scheme should also belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe, it is characterised in that including following components and quality
Percentage composition：Ag44.0~46.0%, Cu29.0~31.0%, Zn23.0~25.0%, In0.8~1.2%, above component it
Be 100%.
2. as claimed in claim 1 a kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe, it is characterised in that
Including following components and weight/mass percentage composition Ag45%, Cu30%, Zn24%, In1.0%.
3. as claimed in claim 1 a kind of refrigeration plant compressor circuit, the production technology of the special silver solder of condenser pipe, its
It is characterised by, comprises the following steps：
(1) smelting furnace that silver, copper, zinc, indium are put into Medium frequency induction control is carried out into melting, is sufficiently stirred for after being completely melt,
900~950 DEG C of smelting temperature；
(2) except removing dross, horizontal casting, a diameter of 12~13mm of φ of prepares line base, automatic lopping, pulling rate 1m/min are carried out；
(3) line base prepared by step (2) is repeatedly rolled by three-high mill, is rolled to the wire rod of 7.0~7.5mm of φ；
(4) stretched the wire rod of step (3) institute's moral wire rod tube reducing to 2~3mm of φ by common wire drawing machine；
(5) by filament cutter first step (4) is said wire rod align after cut into 500mm bars long；
(6) bar of step (5) is removed by surface and oil contaminant and oxide layer using tumbling mode.
4. as claimed in claim 3 a kind of refrigeration plant compressor circuit, the production technology of the special silver solder of condenser pipe, its
It is characterised by, the step (3) also includes annealing operation, annealing temperature is 600 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129210.4A CN106825989A (en) | 2017-03-06 | 2017-03-06 | A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129210.4A CN106825989A (en) | 2017-03-06 | 2017-03-06 | A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106825989A true CN106825989A (en) | 2017-06-13 |
Family
ID=59138020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129210.4A Pending CN106825989A (en) | 2017-03-06 | 2017-03-06 | A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106825989A (en) |
-
2017
- 2017-03-06 CN CN201710129210.4A patent/CN106825989A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8783544B2 (en) | Brazing alloys and methods of brazing | |
| CN101671783B (en) | Copper-zinc-nickel-cobalt-indium alloy and preparation method thereof | |
| CN100496864C (en) | Cadmium-free silver solder containing gallium, indium, and rare earth neodymium and cerium | |
| CN103317253B (en) | Zn-Al-Cu-based solder for aluminum/copper brazing and preparing method thereof | |
| CN101716705B (en) | Multi-alloy cadmium-free phosphor-free copper-based solder | |
| CN101279407A (en) | Cadmium-free silver solder containing indium and silicon | |
| CN101130220A (en) | Solder without cadmium and silver | |
| CN103909363A (en) | Cadmium-free low-silver solder containing tin, manganese and indium | |
| CN104191103A (en) | Medium-temperature magnesium alloy solder containing rare earth element La and preparing method thereof | |
| CN103537821B (en) | A kind of high temperature brazing iron nickel-based solder | |
| KR100620368B1 (en) | Copper phosphorus brazing alloy containing ni-sn element | |
| CN100398251C (en) | Cadmium-free silver solder containing gallium and cerium | |
| CN106825989A (en) | A kind of refrigeration plant compressor circuit, the special silver solder of condenser pipe and its production technology | |
| CN106624443A (en) | Yellow brass brazing filler metal alloy | |
| CN106938374A (en) | A kind of special silver solder of EMUs electric machine end ring soldering and its production technology | |
| CN102489892A (en) | SnZn-based lead-free brazing filler metal containing Cr | |
| CN103769762A (en) | Brazing filler alloy and preparing method thereof | |
| CN107052614A (en) | Without silver yellow spelter solder | |
| CN100457368C (en) | No-cadmium brazing silver alloy containing Ga and Ce | |
| CN103805795B (en) | A kind of alterant for tin-silver-copper solder or Sn-Cu solder melting and using method | |
| CN103567662B (en) | A kind of iron-based solder obtaining high tenacity soldered fitting | |
| US20030026724A1 (en) | Phosphorus-copper-antimony-tin brazing alloy | |
| CN114131241B (en) | Bronze welding flux for tunnel furnace and welding method | |
| CN102489893A (en) | SnZn-based lead-free brazing alloy | |
| CN1657225B (en) | Ultra particle leadless brazing filler and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |