CN112518593A - Shot blasting cleaning method for machining castings - Google Patents
Shot blasting cleaning method for machining castings Download PDFInfo
- Publication number
- CN112518593A CN112518593A CN202011403783.XA CN202011403783A CN112518593A CN 112518593 A CN112518593 A CN 112518593A CN 202011403783 A CN202011403783 A CN 202011403783A CN 112518593 A CN112518593 A CN 112518593A
- Authority
- CN
- China
- Prior art keywords
- shot blasting
- casting
- shot
- castings
- treatment
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Cleaning In General (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to a shot blasting cleaning method for processing castings, which comprises the following steps: degreasing, washing and drying a processed casting to be subjected to shot blasting; selecting shot blasting abrasive, cleaning, drying and putting into shot blasting line equipment; placing the casting in a shot blasting chamber of shot blasting line equipment, and performing shot blasting treatment on the casting; brushing off the pellets adhered to the casting; and (5) inspecting the castings after shot blasting treatment and making inspection and acceptance records. Compared with the prior art, the shot blasting machine has the advantages that the processed casting is subjected to pre-cleaning treatment, the mixed abrasive is used as the shot blasting abrasive, the problem of dark color is solved, the treatment effect of shot blasting on the casting is improved, reasonable shot blasting parameters of the shot blasting gun are set, and subsequent cleaning is carried out in the shot blasting chamber, so that the roughness of the surface of the casting is effectively reduced, the appearance performance and the mechanical performance of the casting are improved, and the functional requirements of the casting are further ensured.
Description
Technical Field
The invention relates to the technical field of casting machining, in particular to a shot blasting cleaning method for machining a casting.
Background
Shot blasting is one of important processes in the casting processing link, and shot blasting is needed to clean the casting in order to remove scales such as molding sand attached to the surface of the casting and rust formed on the surface of a base material after casting, and the quality and quality of the processed casting are directly affected if the processing is not good. However, the existing shot blasting method for processing castings has the problem of unsatisfactory shot blasting effect, and after shot blasting is performed on the processed castings, the castings have high surface roughness and dark color, so that the appearance performance and the mechanical performance of the castings are poor, and the functional requirements of the castings are finally influenced.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a shot blasting method for processing castings.
In order to achieve the purpose, the invention adopts the following technical scheme:
a shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting, and then putting the casting into a drying chamber for drying;
(2) selecting a mixed abrasive as a shot blasting abrasive, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance range between a shot blasting gun and the surface of the casting to be 300-2Performing shot blasting treatment on the casting with the impact strength;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, and making inspection acceptance records.
Preferably, the step (1) uses compressed air to blow off water on the surface of the casting.
Preferably, when the casting is dried in the step (1), the water content of the casting is less than 0.4 wt%.
Preferably, the shot blasting abrasive in the step (2) adopts a mixture of steel grit and steel shot.
Preferably, the shot blasting time in the step (3) is 11-16 min.
Preferably, the shot-blasting direction of the shot-blasting gun in the step (3) is 15-30 degrees from the normal line of the surface of the casting.
Preferably, the surface roughness of the casting in the step (5) is in the range of 10.5 to 45 μm.
The invention has the beneficial effects that: compared with the prior art, the shot blasting cleaning method for the machined casting solves the problem of dark color and improves the treatment effect of shot blasting cleaning of the casting by pre-cleaning the machined casting and adopting mixed abrasive as shot blasting abrasive, effectively reduces the roughness of the surface of the casting by setting reasonable shot blasting parameters of a shot blasting gun and performing subsequent cleaning in a shot cleaning chamber, improves the appearance performance and the mechanical performance of the casting, and further ensures the functional requirements of the casting.
Detailed Description
The invention is further illustrated by the following examples:
a shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting, and then putting the casting into a drying chamber for drying;
(2) selecting a mixed abrasive as a shot blasting abrasive, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance range between a shot blasting gun and the surface of the casting to be 300-2The impact strength of the alloy is used for carrying out shot blasting treatment on the casting；
(4) After the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, and making inspection acceptance records.
Preferably, the step (1) uses compressed air to blow off water on the surface of the casting.
Preferably, when the casting is dried in the step (1), the water content of the casting is less than 0.4 wt%.
Preferably, the shot blasting abrasive in the step (2) adopts a mixture of steel grit and steel shot.
Preferably, the shot blasting time in the step (3) is 11-16 min.
Preferably, the shot-blasting direction of the shot-blasting gun in the step (3) is 15-30 degrees from the normal line of the surface of the casting.
Preferably, the surface roughness of the casting in the step (5) is in the range of 10.5 to 45 μm.
Example 1
A shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting by adopting a compressed air mode, and then putting the casting into a drying chamber for drying until the water content of the casting is less than 0.4 wt%;
(2) selecting a mixed abrasive as a shot blasting abrasive, wherein the shot blasting abrasive is a mixture of steel grit and steel shots, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance between a shot blasting gun and the surface of the casting to be 300mm, adjusting the throwing angle of the shot blasting gun, and clamping the spraying direction of the shot blasting gun and the normal line of the surface of the castingThe angle is 15 degrees, the shot blasting amount is 180kg/min and 9kg/cm2Performing shot blasting treatment on the casting with the impact strength, wherein the shot blasting treatment time is 16 min;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, wherein the surface roughness of the castings is 10.5 mu m, and making inspection and acceptance records.
Example 2
A shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting by adopting a compressed air mode, and then putting the casting into a drying chamber for drying until the water content of the casting is less than 0.4 wt%;
(2) selecting a mixed abrasive as a shot blasting abrasive, wherein the shot blasting abrasive is a mixture of steel grit and steel shots, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance range between a shot blasting gun and the surface of the casting to be 300-2Performing shot blasting treatment on the casting with the impact strength, wherein the shot blasting treatment time is 16 min;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, wherein the surface roughness of the castings is 45 mu m, and making inspection and acceptance records.
Example 3
A shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting by adopting a compressed air mode, and then putting the casting into a drying chamber for drying until the water content of the casting is less than 0.4 wt%;
(2) selecting a mixed abrasive as a shot blasting abrasive, wherein the shot blasting abrasive is a mixture of steel grit and steel shots, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance range between a shot blasting gun and the surface of the casting to be 300-2Performing shot blasting treatment on the casting with the impact strength, wherein the shot blasting treatment time is 13 min;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, wherein the surface roughness of the castings is 35 mu m, and making inspection and acceptance records.
Example 4
A shot blasting cleaning method for processing castings comprises the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting by adopting a compressed air mode, and then putting the casting into a drying chamber for drying until the water content of the casting is less than 0.4 wt%;
(2) selecting a mixed abrasive as a shot blasting abrasive, wherein the shot blasting abrasive is a mixture of steel grit and steel shots, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting the distance range between a shot blasting gun and the surface of the casting to be 300-2Performing shot blasting treatment on the casting with the impact strength, wherein the shot blasting treatment time is 15 min;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, wherein the surface roughness of the castings is 35 mu m, and making inspection and acceptance records.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (7)
1. A shot blasting method for processing castings is characterized by comprising the following steps:
(1) putting a processed casting to be subjected to shot blasting cleaning into a degreasing agent solution for degreasing treatment, then putting the casting into clear water for washing, taking out the casting, blowing off water on the surface of the casting, and then putting the casting into a drying chamber for drying;
(2) selecting a mixed abrasive as a shot blasting abrasive, screening the mixed abrasive into uniform granularity by using a screen, cleaning, drying and putting into shot blasting line equipment;
(3) placing the casting in a shot blasting chamber of shot blasting line equipment, adjusting the position of the casting, adjusting a shot blasting gun and castingThe distance between the surfaces of the pieces ranges from 300-2Performing shot blasting treatment on the casting with the impact strength;
(4) after the shot blasting treatment is finished, the casting is transferred to a shot cleaning chamber, a brush is tightly abutted against the casting in the shot cleaning chamber, the casting is moved, and the shot adhered to the casting is brushed down;
(5) and (4) inspecting the castings after shot blasting treatment, inspecting the surface roughness and grade of the castings according to the standard requirements, and making inspection acceptance records.
2. A shot blasting method for processing castings according to claim 1, characterized in that the step (1) is performed by blowing off water on the casting surface by means of compressed air.
3. The shot blasting method for processing castings according to claim 1, characterized in that, when the castings are subjected to the drying treatment in step (1), the moisture content of the castings is less than 0.4 wt%.
4. The shot blasting method for processing castings according to claim 1, characterized in that the shot blasting abrasive in the step (2) is a mixture of steel grit and steel shot.
5. The shot blasting method for processing castings according to claim 1, characterized in that the shot blasting time in the step (3) is 11-16 min.
6. A shot blasting method for machining castings according to claim 1, characterized in that the shot blasting direction of the shot blasting gun in the step (3) is at an angle of 15-30 ° to the normal of the casting surface.
7. The shot blasting method for processing castings according to claim 1, characterized in that the roughness of the surface of the castings in the step (5) ranges from 10.5 μm to 45 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403783.XA CN112518593A (en) | 2020-12-03 | 2020-12-03 | Shot blasting cleaning method for machining castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403783.XA CN112518593A (en) | 2020-12-03 | 2020-12-03 | Shot blasting cleaning method for machining castings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112518593A true CN112518593A (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011403783.XA Withdrawn CN112518593A (en) | 2020-12-03 | 2020-12-03 | Shot blasting cleaning method for machining castings |
Country Status (1)
| Country | Link |
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| CN (1) | CN112518593A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362933A (en) * | 2008-03-02 | 2009-02-11 | 淄博大亚金属制品有限公司 | Mixed metal abrasives for cleaning cast and production technology |
| CN101362934A (en) * | 2008-03-02 | 2009-02-11 | 淄博大亚金属制品有限公司 | Mixed metal abrasives for cleaning stainless steel plate and production technology |
| CN104924220A (en) * | 2015-04-23 | 2015-09-23 | 共享铸钢有限公司 | Method for cleaning surface of large stainless steel casting |
| CN104972099A (en) * | 2015-06-30 | 2015-10-14 | 柳州金特新型耐磨材料股份有限公司 | Cleaning method for casting |
| CN105441782A (en) * | 2014-09-28 | 2016-03-30 | 天津众达精密机械有限公司 | Ductile iron casting and manufacturing method thereof |
| CN107650026A (en) * | 2017-11-13 | 2018-02-02 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique method for steel plate |
| CN107671736A (en) * | 2017-11-13 | 2018-02-09 | 江苏飞腾铸造机械有限公司 | One kind improves steel plate impeller blasting technique |
| CN107738190A (en) * | 2017-11-14 | 2018-02-27 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique method for workpiece |
| CN107855944A (en) * | 2017-11-13 | 2018-03-30 | 江苏飞腾铸造机械有限公司 | A kind of Shot Blasting technique of hook type shot-blasting machine |
| CN107891374A (en) * | 2017-11-14 | 2018-04-10 | 江苏飞腾铸造机械有限公司 | A kind of Shot Blasting technique |
| CN107914020A (en) * | 2017-11-14 | 2018-04-17 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique of the preparation method and application of the shot shot |
| CN109333369A (en) * | 2018-10-30 | 2019-02-15 | 山西太钢不锈钢股份有限公司 | The method for reducing hot plate Shot Blasting rear surface roughness |
| JP6563571B1 (en) * | 2018-08-23 | 2019-08-21 | Ｒｔｍ 株式会社 | Mold manufacturing method |
| CN110923784A (en) * | 2019-11-29 | 2020-03-27 | 江苏竣昌科技有限公司 | Surface treatment method of magnesium alloy die casting |
-
2020
- 2020-12-03 CN CN202011403783.XA patent/CN112518593A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362933A (en) * | 2008-03-02 | 2009-02-11 | 淄博大亚金属制品有限公司 | Mixed metal abrasives for cleaning cast and production technology |
| CN101362934A (en) * | 2008-03-02 | 2009-02-11 | 淄博大亚金属制品有限公司 | Mixed metal abrasives for cleaning stainless steel plate and production technology |
| CN105441782A (en) * | 2014-09-28 | 2016-03-30 | 天津众达精密机械有限公司 | Ductile iron casting and manufacturing method thereof |
| CN104924220A (en) * | 2015-04-23 | 2015-09-23 | 共享铸钢有限公司 | Method for cleaning surface of large stainless steel casting |
| CN104972099A (en) * | 2015-06-30 | 2015-10-14 | 柳州金特新型耐磨材料股份有限公司 | Cleaning method for casting |
| CN107671736A (en) * | 2017-11-13 | 2018-02-09 | 江苏飞腾铸造机械有限公司 | One kind improves steel plate impeller blasting technique |
| CN107650026A (en) * | 2017-11-13 | 2018-02-02 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique method for steel plate |
| CN107855944A (en) * | 2017-11-13 | 2018-03-30 | 江苏飞腾铸造机械有限公司 | A kind of Shot Blasting technique of hook type shot-blasting machine |
| CN107738190A (en) * | 2017-11-14 | 2018-02-27 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique method for workpiece |
| CN107891374A (en) * | 2017-11-14 | 2018-04-10 | 江苏飞腾铸造机械有限公司 | A kind of Shot Blasting technique |
| CN107914020A (en) * | 2017-11-14 | 2018-04-17 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique of the preparation method and application of the shot shot |
| JP6563571B1 (en) * | 2018-08-23 | 2019-08-21 | Ｒｔｍ 株式会社 | Mold manufacturing method |
| CN109333369A (en) * | 2018-10-30 | 2019-02-15 | 山西太钢不锈钢股份有限公司 | The method for reducing hot plate Shot Blasting rear surface roughness |
| CN110923784A (en) * | 2019-11-29 | 2020-03-27 | 江苏竣昌科技有限公司 | Surface treatment method of magnesium alloy die casting |
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Application publication date: 20210319 |