CN108436391B - Machining method for STR static disc forged piece of turbo compressor - Google Patents
Machining method for STR static disc forged piece of turbo compressor Download PDFInfo
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- CN108436391B CN108436391B CN201810204059.0A CN201810204059A CN108436391B CN 108436391 B CN108436391 B CN 108436391B CN 201810204059 A CN201810204059 A CN 201810204059A CN 108436391 B CN108436391 B CN 108436391B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
The invention relates to the technical field of forging processing methods, in particular to a processing method of an STR static disc forging of a turbo compressor, which specifically comprises the following steps: (1) blanking, (2) light string treatment, (3) heating, (4) pre-forging, (5) coating treatment, (6) heating, (7) forming, (8) heat treatment, (9) finishing and (10) shot blasting treatment. The machining method of the STR static disc forged piece of the turbo compressor can effectively ensure the forming and the quality of the forged piece through reasonable process and parameter design, and ensures the stability of the forging and higher forming performance by adopting the workpiece pre-forging and carrying out the membrane treatment after the pre-forging.
Description
Technical Field
The invention relates to the technical field of forging processing methods, in particular to a processing method of a turbine compressor STR static disc forging.
Background
In the prior art, in the process of forging the STR static disc of the worm gear compressor, the forging structure is complex, the deformation of the forging is large, the phenomena of cracking, local material shortage and the like are easy to occur, and the yield of products is low.
Disclosure of Invention
The invention aims to provide a machining method of an STR static disc forge piece of a turbo compressor, which has high forge piece quality and high yield and solves the defects of the technology.
In order to achieve the purpose, the invention discloses a machining method of an STR static disc forging of a turbocompressor, which comprises the following steps:
(1) cutting steel into a round cake-shaped workpiece;
(2) putting the workpiece into a polishing machine for light string treatment, wherein the light string time is 30-80min, the frequency of the polishing machine is 40-70Hz, and the discharging time is controlled to be 5-20 min; then cleaning, drying after blow-drying, wherein the drying temperature is 70-120 ℃, and the frequency of a dryer is 40-60 Hz;
(3) transferring the workpiece after light coupling to a rotary hearth furnace, heating the workpiece to 400-490 ℃, and preserving heat for more than 60 min;
(4) heating the pre-forging die to 200-280 ℃, uniformly coating a release agent in the die cavity, and putting the heated workpiece into the pre-forging die for pre-forging;
(5) transferring the pre-forged workpiece to a leather membrane treatment station for leather membrane treatment, heating a rotary hearth furnace to 210 ℃ and 260 ℃, loading the pre-forged workpiece into the rotary hearth furnace, preserving the heat for more than 10min, taking out the workpiece by using a pliers, immersing the workpiece into a leather membrane agent for 2-8s, taking out the workpiece, drying the workpiece by using the waste heat of the workpiece, and cooling the workpiece to room temperature, wherein the temperature of the leather membrane agent is less than or equal to 90 ℃;
(6) conveying the workpiece after the membrane treatment to a rotary hearth furnace, preheating the rotary hearth furnace to 400-plus-one 490 ℃, preserving the heat for more than 60min, starting assembling, and then heating the workpiece to 500-plus-one 510 ℃;
(7) heating the mold to 200-350 ℃, then uniformly spraying a release agent according to a spiral shape, and putting the heated workpiece into the mold for compression molding; by adopting reasonable die temperature, the phenomena of edge deletion, cracks and the like of the forge piece can be effectively avoided, and the quality and the yield of the forge piece are improved.
(8) Connecting two mesh belt furnaces with the total length of 8-10m, arranging quenching liquid between the two mesh belt furnaces, uniformly dividing the mesh belt furnace at the front end into four zones, namely a solid solution 1 zone, a solid solution 2 zone, a solid solution 3 zone and a solid solution 4 zone, wherein the temperature of the solid solution 1 zone is 505-plus 525 ℃, the temperature of the solid solution 2 zone is 500-plus 520 ℃, the temperatures of the solid solution 3 zone and the solid solution 4 zone are 495-plus 515 ℃, the time from the entrance to the output of a workpiece from the mesh belt furnace at the front end is 60-80min, then the workpiece enters the quenching liquid, the temperature of the quenching liquid is lower than 60 ℃, and the workpiece is cooled in the quenching liquid for at least 10 min; then the workpiece enters a mesh belt furnace at the rear end, the temperature of the mesh belt furnace at the rear end is controlled at 220 ℃, and the time from the entry to the output of the workpiece from the mesh belt furnace at the rear end is 380 min;
(9) performing finish machining on the workpiece to meet the size requirement to obtain a rough blank of the forge piece;
(10) and (4) placing the rough blank of the forge piece into a shot blasting machine for shot blasting treatment, wherein the shot blasting time is 10-25min, and obtaining the forge piece.
The machining method of the STR static disc forged piece of the turbo compressor can effectively ensure the forming and the quality of the forged piece through reasonable process and parameter design, and ensures the stability of the forging and higher forming performance by adopting the workpiece pre-forging and carrying out the membrane treatment after the pre-forging.
Detailed Description
The invention is further described by way of example with reference to the accompanying drawings.
Example 1:
the machining method for the STR static disc forged piece of the turbo compressor described in the embodiment specifically comprises the following steps:
(1) cutting steel into a round cake-shaped workpiece;
(2) putting the workpiece into a polishing machine for light string treatment, wherein the light string time is 40min, the frequency of the polishing machine is 40Hz, and the discharging time is controlled at 8 min; then cleaning, drying after blow-drying, wherein the drying temperature is 80 ℃, and the frequency of a dryer is 45 Hz;
(3) transferring the workpiece after the light is mixed to a rotary hearth furnace, heating the workpiece to 400 ℃, and preserving heat for more than 60 min;
(4) heating a pre-forging die to 200 ℃, uniformly coating a release agent in a die cavity, and putting a heated workpiece into the pre-forging die for pre-forging;
(5) transferring the pre-forged workpiece to a membrane treatment station for membrane treatment, heating a rotary hearth furnace to 215 ℃, loading the pre-forged workpiece into the rotary hearth furnace, preserving the temperature for more than 10min, taking out the workpiece by using a clamp, immersing the workpiece into the membrane for 2s, taking out the workpiece, drying the workpiece by using the residual heat of the workpiece, and cooling the workpiece to room temperature, wherein the temperature of the membrane is less than or equal to 90 ℃;
(6) conveying the workpiece with the processed skin membrane to a rotary hearth furnace, preheating the rotary hearth furnace to 400 ℃, preserving heat for more than 60min, starting to assemble, and then heating the workpiece to 500 ℃;
(7) heating the die to 220 ℃, uniformly spraying a release agent according to a spiral shape, and putting the heated workpiece into the die for compression molding;
(8) connecting two mesh belt furnaces with the total length of 8-10m, arranging quenching liquid between the two mesh belt furnaces, uniformly dividing the mesh belt furnace at the front end into four zones, namely a solid solution 1 zone, a solid solution 2 zone, a solid solution 3 zone and a solid solution 4 zone, wherein the temperature of the solid solution 1 zone is 510 ℃, the temperature of the solid solution 2 zone is 505 ℃, the temperatures of the solid solution 3 zone and the solid solution 4 zone are both 500 ℃, the time from the entry to the output of a workpiece from the mesh belt furnace at the front end is 65min, then the workpiece enters the quenching liquid, the temperature of the quenching liquid is lower than 60 ℃, and cooling the workpiece in the quenching liquid for at least 10 min; then the workpiece enters a mesh belt furnace at the rear end, the temperature of the mesh belt furnace at the rear end is controlled at 195 ℃, and the time from the entrance to the output of the workpiece from the mesh belt furnace at the rear end is 360 min;
(9) performing finish machining on the workpiece to meet the size requirement to obtain a rough blank of the forge piece;
(10) and (4) putting the rough blank of the forge piece into a shot blasting machine for shot blasting treatment, wherein the shot blasting time is 15min, and obtaining the forge piece.
Example 2:
the machining method for the STR static disc forged piece of the turbo compressor described in the embodiment specifically comprises the following steps:
(1) cutting steel into a round cake-shaped workpiece;
(2) putting the workpiece into a polishing machine for light string treatment, wherein the light string time is 70min, the frequency of the polishing machine is 50Hz, and the discharging time is controlled to be 15 min; then cleaning, drying after blow-drying, wherein the drying temperature is 110 ℃, and the frequency of a dryer is 50 Hz;
(3) transferring the workpiece after the light is mixed to a rotary hearth furnace, heating the workpiece to 450 ℃, and preserving the heat for more than 60 min;
(4) heating the pre-forging die to 250 ℃, uniformly coating a release agent in the die cavity, and putting the heated workpiece into the pre-forging die for pre-forging;
(5) transferring the pre-forged workpiece to a leather membrane treatment station for leather membrane treatment, heating a rotary hearth furnace to 255 ℃, loading the pre-forged workpiece into the rotary hearth furnace, preserving the temperature for more than 10min, taking out the workpiece by using a clamp, immersing the workpiece into the leather membrane for 5s, taking out the workpiece, drying the workpiece by using the waste heat of the workpiece, and cooling the workpiece to room temperature, wherein the temperature of the leather membrane is less than or equal to 90 ℃;
(6) conveying the workpiece with the skin membrane treated to a rotary hearth furnace, preheating the rotary hearth furnace to 460 ℃, preserving heat for more than 60min, starting assembling, and then heating the workpiece to 505 ℃;
(7) heating the die to 320 ℃, uniformly spraying a release agent according to a spiral shape, and putting the heated workpiece into the die for compression molding;
(8) connecting two mesh belt furnaces with the total length of 8-10m, arranging quenching liquid between the two mesh belt furnaces, uniformly dividing the mesh belt furnace at the front end into four zones, namely a solid solution 1 zone, a solid solution 2 zone, a solid solution 3 zone and a solid solution 4 zone, wherein the temperature of the solid solution 1 zone is 520 ℃, the temperature of the solid solution 2 zone is 515 ℃, the temperatures of the solid solution 3 zone and the solid solution 4 zone are both 510 ℃, the time from the entrance to the output of a workpiece from the mesh belt furnace at the front end is 75min, then the workpiece enters the quenching liquid, the temperature of the quenching liquid is lower than 60 ℃, and cooling the workpiece in the quenching liquid for at least 10 min; then the workpiece enters a mesh belt furnace at the rear end, the temperature of the mesh belt furnace at the rear end is controlled at 205 ℃, and the time from the entrance to the output of the workpiece from the mesh belt furnace at the rear end is 375 min;
(9) performing finish machining on the workpiece to meet the size requirement to obtain a rough blank of the forge piece;
(10) and (4) putting the rough blank of the forge piece into a shot blasting machine for shot blasting treatment, wherein the shot blasting time is 20min, and obtaining the forge piece.
Example 3:
the machining method for the STR static disc forged piece of the turbo compressor described in the embodiment specifically comprises the following steps:
(1) cutting steel into a round cake-shaped workpiece;
(2) putting the workpiece into a polishing machine for light string treatment, wherein the light string time is 60min, the frequency of the polishing machine is 45Hz, and the discharging time is controlled to be 10 min; then cleaning, drying after blow-drying, wherein the drying temperature is 100 ℃, and the frequency of a dryer is 45 Hz;
(3) transferring the workpiece after the light coupling to a rotary hearth furnace, heating the workpiece to 490 ℃, and preserving the heat for more than 60 min;
(4) heating a pre-forging die to 240 ℃, uniformly coating a release agent in a die cavity, and putting a heated workpiece into the pre-forging die for pre-forging;
(5) transferring the pre-forged workpiece to a leather membrane treatment station for leather membrane treatment, heating a rotary hearth furnace to 240 ℃, loading the pre-forged workpiece into the rotary hearth furnace, preserving the temperature for more than 10min, taking out the workpiece by using a clamp, immersing the workpiece into the leather membrane for 4s, taking out the workpiece, drying the workpiece by using the waste heat of the workpiece, and cooling the workpiece to room temperature, wherein the temperature of the leather membrane is less than or equal to 90 ℃;
(6) conveying the workpiece subjected to the skin membrane treatment to a rotary hearth furnace, preheating the rotary hearth furnace to 490 ℃, preserving heat for more than 60min, starting assembling, and then heating the workpiece to 505 ℃;
(7) heating the die to 300 ℃, uniformly spraying a release agent according to a spiral shape, and putting the heated workpiece into the die for compression molding;
(8) connecting two mesh belt furnaces with the total length of 8-10m, arranging quenching liquid between the two mesh belt furnaces, uniformly dividing the mesh belt furnace at the front end into four zones, namely a solid solution 1 zone, a solid solution 2 zone, a solid solution 3 zone and a solid solution 4 zone, wherein the temperature of the solid solution 1 zone is 510 ℃, the temperature of the solid solution 2 zone is 505 ℃, the temperatures of the solid solution 3 zone and the solid solution 4 zone are both 500 ℃, the time from the entry to the output of a workpiece from the mesh belt furnace at the front end is 70min, then the workpiece enters the quenching liquid, the temperature of the quenching liquid is lower than 60 ℃, and cooling the workpiece in the quenching liquid for at least 10 min; then the workpiece enters a mesh belt furnace at the rear end, the temperature of the mesh belt furnace at the rear end is controlled at 200 ℃, and the time from the entrance to the output of the workpiece from the mesh belt furnace at the rear end is 375 min;
(9) performing finish machining on the workpiece to meet the size requirement to obtain a rough blank of the forge piece;
(10) and (4) putting the rough blank of the forge piece into a shot blasting machine for shot blasting treatment, wherein the shot blasting time is 15min, and obtaining the forge piece.
Claims (1)
1. A machining method for a turbine compressor STR static disc forging is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) cutting steel into a round cake-shaped workpiece;
(2) putting the workpiece into a polishing machine for light string treatment, wherein the light string time is 30-80min, the frequency of the polishing machine is 40-70Hz, and the discharging time is controlled to be 5-20 min; then cleaning, drying after blow-drying, wherein the drying temperature is 70-120 ℃, and the frequency of a dryer is 40-60 Hz;
(3) transferring the workpiece after light coupling to a rotary hearth furnace, heating the workpiece to 400-490 ℃, and preserving heat for more than 60 min;
(4) heating the pre-forging die to 200-280 ℃, uniformly coating a release agent in the die cavity, and putting the heated workpiece into the pre-forging die for pre-forging;
(5) transferring the pre-forged workpiece to a leather membrane treatment station for leather membrane treatment, heating a rotary hearth furnace to 210-260 ℃, loading the pre-forged workpiece into the rotary hearth furnace, preserving heat for more than 10min, taking out the workpiece by using a clamp, immersing the workpiece into the leather membrane for 2-8s, taking out the workpiece, drying the workpiece by using the waste heat of the workpiece, and cooling the workpiece to room temperature, wherein the temperature of the leather membrane is less than or equal to 90 ℃;
(6) conveying the workpiece after the membrane treatment to a rotary hearth furnace, preheating the rotary hearth furnace to 400-plus-one 490 ℃, preserving the heat for more than 60min, starting assembling, and then heating the workpiece to 500-plus-one 510 ℃;
(7) heating the mold to 350 ℃ for 201 ℃, then uniformly spraying a release agent according to a spiral shape, and putting the heated workpiece into the mold for compression molding;
(8) connecting two mesh belt furnaces with the total length of 8-10m, arranging quenching liquid between the two mesh belt furnaces, uniformly dividing the mesh belt furnace at the front end into four zones, namely a solid solution 1 zone, a solid solution 2 zone, a solid solution 3 zone and a solid solution 4 zone, wherein the temperature of the solid solution 1 zone is 505-plus 525 ℃, the temperature of the solid solution 2 zone is 500-plus 520 ℃, the temperatures of the solid solution 3 zone and the solid solution 4 zone are 495-plus 515 ℃, the time from the entrance to the output of a workpiece from the mesh belt furnace at the front end is 60-80min, then the workpiece enters the quenching liquid, the temperature of the quenching liquid is lower than 60 ℃, and the workpiece is cooled in the quenching liquid for at least 10 min; then the workpiece enters a mesh belt furnace at the rear end, the temperature of the mesh belt furnace at the rear end is controlled at 220 ℃, and the time from the entry to the output of the workpiece from the mesh belt furnace at the rear end is 380 min;
(9) performing finish machining on the workpiece to meet the size requirement to obtain a rough blank of the forge piece;
(10) and (4) placing the rough blank of the forge piece into a shot blasting machine for shot blasting treatment, wherein the shot blasting time is 10-25min, and obtaining the forge piece.
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| CN201810204059.0A CN108436391B (en) | 2018-03-13 | 2018-03-13 | Machining method for STR static disc forged piece of turbo compressor |
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| CN201810204059.0A CN108436391B (en) | 2018-03-13 | 2018-03-13 | Machining method for STR static disc forged piece of turbo compressor |
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| CN108436391B true CN108436391B (en) | 2020-02-21 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158362A (en) * | 1996-12-06 | 1997-09-03 | 魁永生 | Multicomponent alloyed cast and forged wearing, corrosion resistant and high toughness grinding balls and its prodn. method |
| CN101070582A (en) * | 2007-06-12 | 2007-11-14 | 江阴康瑞不锈钢制品有限公司 | Austenite cold-forged stainless-steel and steel wire making method |
| CN102059525A (en) * | 2011-01-10 | 2011-05-18 | 周志勇 | Manufacturing method of fishing line wheel footstand |
| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
| JP2015018231A (en) * | 2013-06-14 | 2015-01-29 | 日東電工株式会社 | Double-refraction lenticular lens film, manufacturing method of double-refraction lenticular lens film, polarizing plate with double-refraction lenticular lens film, and image display device |
| CN105983816A (en) * | 2015-01-27 | 2016-10-05 | 佛山市南海中宇渔具有限公司 | Integral forming method for reel throwing line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551546B (en) * | 2014-11-19 | 2017-09-05 | 塞里姆株式会社 | A kind of manufacture method and its manufacture device of the clutch lever of fishing reel part |
-
2018
- 2018-03-13 CN CN201810204059.0A patent/CN108436391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158362A (en) * | 1996-12-06 | 1997-09-03 | 魁永生 | Multicomponent alloyed cast and forged wearing, corrosion resistant and high toughness grinding balls and its prodn. method |
| CN101070582A (en) * | 2007-06-12 | 2007-11-14 | 江阴康瑞不锈钢制品有限公司 | Austenite cold-forged stainless-steel and steel wire making method |
| CN102059525A (en) * | 2011-01-10 | 2011-05-18 | 周志勇 | Manufacturing method of fishing line wheel footstand |
| CN102581556A (en) * | 2012-02-23 | 2012-07-18 | 绍兴康健镁业有限公司 | Processing technology of static iron core of electromagnetic valve |
| JP2015018231A (en) * | 2013-06-14 | 2015-01-29 | 日東電工株式会社 | Double-refraction lenticular lens film, manufacturing method of double-refraction lenticular lens film, polarizing plate with double-refraction lenticular lens film, and image display device |
| CN105983816A (en) * | 2015-01-27 | 2016-10-05 | 佛山市南海中宇渔具有限公司 | Integral forming method for reel throwing line |
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