CN107791156A - A kind of Shot Blasting method for steel plate derusting rust-proofing - Google Patents

A kind of Shot Blasting method for steel plate derusting rust-proofing Download PDF

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Publication number
CN107791156A
CN107791156A CN201711115082.4A CN201711115082A CN107791156A CN 107791156 A CN107791156 A CN 107791156A CN 201711115082 A CN201711115082 A CN 201711115082A CN 107791156 A CN107791156 A CN 107791156A
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CN
China
Prior art keywords
steel plate
shot blasting
ball blast
thickness
seconds
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
Application number
CN201711115082.4A
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Chinese (zh)
Inventor
潘绍兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Flying Casting Machinery Co Ltd
Original Assignee
Jiangsu Flying Casting Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Flying Casting Machinery Co Ltd filed Critical Jiangsu Flying Casting Machinery Co Ltd
Priority to CN201711115082.4A priority Critical patent/CN107791156A/en
Publication of CN107791156A publication Critical patent/CN107791156A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods 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
    • B24C1/086Descaling; Removing coating films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002Pretreatement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102Pretreatment of metallic substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/003Removing abrasive powder out of the blasting machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00Metallic substrate
    • B05D2202/10Metallic substrate based on Fe
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00Pretreatment of the substrate
    • B05D2350/30Change of the surface
    • B05D2350/33Roughening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a kind of Shot Blasting method for steel plate derusting rust-proofing, it is related to ball blast field, comprises the following steps:S1:Survey steel plate thickness;S2:Carry out ungrease treatment;S3:Washed, draining, dried;S4:Steel plate carries out ball blast, adjusts the electric current of shot-blasting machine according to the thickness of the S1 steel plates measured and the cooperation of time, steel plate thickness are less than 3mm, should forbid handling;Steel plate thickness is 3 3.5mm, and current control is in 15 20A, and ball blast time control was at 60 70 seconds;Steel plate thickness is 3.5 4mm, and current control is in 15 20A, and ball blast time control was at 70 90 seconds;Steel plate thickness is more than 4mm, then current control is in 20 30A, and ball blast time control was at 80 100 seconds;S5:The pill of workpiece surface is cleared up using round brush or scraper plate;S6:Workpiece is tested;S7:Qualified surface of steel plate rust prevention by applying liquid material paint.The present invention according to the thickness of steel plate to adjust Shot Blasting when electric current and the time, ensure ball blast effect while saved resource, reduce cost.

Description

A kind of Shot Blasting method for steel plate derusting rust-proofing
Technical field
The present invention relates to ball blast technique technical field, more particularly to a kind of Shot Blasting side for steel plate derusting rust-proofing Method.
Background technology
Ball blast is a kind of title of the process of surface treatment of mechanical aspects, and similar to sandblasting and shot-peening, its principle is electricity consumption Machine impeller body rotates, and by the effect of centrifugal force, a ball is thrown to the surface of workpiece, the surface of workpiece is reached certain thick Rugosity, workpiece is set to change the appearance, or the welding tension of change workpiece is compression, improves the service life of workpiece.Almost For machinery most of fields, such as build ship, auto parts and components, aircraft components, firearms tank surface, bridge, steel construction, Glass, steel pipe etc..
And steel plate is almost the material that each mechanical field can be used, when carrying out Shot Blasting to steel plate, due to steel The thickness of plate is different, therefore using unified ball blast technique some steel plates can be caused to produce gross distortion, and other steel plates Ball blast does not reach preferable effect also.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of Shot Blasting method for steel plate derusting rust-proofing, root Electric current and time during according to the thickness of steel plate to adjust Shot Blasting, ensure to have saved resource while ball blast effect, reduce Cost.
In order to solve the above technical problems, technical scheme is as follows:
A kind of Shot Blasting method for steel plate derusting rust-proofing, comprise the following steps:
S1:Measure the thickness of steel plate;
S2:Steel plate is placed on operating desk, the alkaline defatting agent aqueous solution is heated to 40-50 DEG C, is then uniformly sprayed onto it The surface of steel plate, carry out ungrease treatment;
S3:Steel plate after ungrease treatment is placed in clear water, washed, then takes out steel plate, draining, drying;
S4:Steel plate is placed in shot blast room, carries out Shot Blasting, is adjusted according to the thickness of the S1 steel plates measured in Shot Blasting The electric current of shot-blasting machine and the cooperation between the time, if steel plate thickness is less than 3mm, Shot Blasting can cause steel plate deformed serious, should Forbid handling;If steel plate thickness is 3-3.5mm, current control is in 15-20A, and ball blast time control is in the 60-70 seconds;If steel plate is thick Spend for 3.5-4mm, current control is in 15-20A, and ball blast time control is in the 70-90 seconds;If steel plate thickness is more than 4mm, electric current control Make in 20-30A, ball blast time control is in the 80-100 seconds;
S5:After ball blast terminates, the pill of workpiece surface is cleared up using round brush or scraper plate;
S6:Workpiece is tested, check workpiece surface whether oil-free, rustless, non-scale, check workpiece surface roughness be It is no to meet the requirements;
S7:Qualified surface of steel plate rust prevention by applying liquid material paint is being examined, the temperature control for job site of painting is at 10-30 DEG C.
Technique effect:The electric current of impeller head is bigger, and the flow of pill is bigger, and cleaning speed is faster;And the Shot Blasting time Longer, the roughness of workpiece surface is bigger, and processing time is long, first, energy waste and pill can be caused to consume increase, increase Cost, second, workpiece surface roughness is excessive, influences the consumption of antiseptic property and application, processing time is too short, then can cause Processing is not net, influences follow-up processing, in the present invention, during electric current and ball blast during according to the thickness of steel plate to adjust Shot Blasting Between, resource has been saved while ball blast effect is ensured, cost is reduced 15-20%.
Further, the S2 neutral and alkalis degreasing agent aqueous solution is the aqueous solution that 2wt% is made into by alkaline defatting agent 364FS.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, the temperature dried in S3 is 80-100 DEG C.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, in S4, if steel plate thickness is less than 3mm, throwing Ball processing can cause steel plate deformed serious, should forbid handling;If steel plate thickness is 3-3.5mm, current control is in 17A, ball blast Between control at 65 seconds;If steel plate thickness is 3.5-4mm, current control is in 17A, and ball blast time control was at 80 seconds;If steel plate thickness More than 4mm, then current control is in 25A, and ball blast time control was at 90 seconds.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, the pill of Shot Blasting uses alloy in S4 Shot.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, a diameter of 0.8-1.2mm of alloy balls.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, rust prevention by applying liquid material paint is using air spray in S7 Apply, spray gun is with being sprayed the distance controlling on surface in 200-300mm.
Preceding a kind of described Shot Blasting method for steel plate derusting rust-proofing, the air pressure of spray gun is 0.3- 0.6MPa。
The beneficial effects of the invention are as follows:
(1) in the present invention, antirust paint is being coated with except derusting afterwards using ball blast technique, is ensureing the cleaning of surface of steel plate, makes The antirust ability of steel plate improves 12-16%;
(2) in the present invention, workpiece is being carried out to carry out ungrease treatment between ball blast, grease, dirt of workpiece surface etc. is being removed, makes Workpiece surface is clean, and the dust for avoiding being stained with ball blast after the workpiece ball blast with greasy dirt forms greasy filth, influences shot-blasting quality, fat processing Washed again afterwards, ensure the cleanliness factor of workpiece surface as far as possible, improve the quality of ball blast;
(3) in the present invention, using pill of the alloy balls as Shot Blasting, caused dust is less, and non-friable, uses Life-span is longer, and cost performance is higher, using a diameter of 0.8-1.2mm cast steel ball, has both met the cleaning speed of workpiece and coarse Degree requires, meets the needs of productive temp, while service life is also longer;
(4) in spray painting, the temperature of construction environment is too high, and relative humidity conference causes layer of paint to turn white, and orange peel shape is presented, and warm Spend low, enamelled coating can be caused easily to trickle, in the present invention, the temperature control for job site of painting is at 10-30 DEG C, and relative humidity is not More than 80%, the efficiency of spray painting is improved, while makes the Quality advance of spray painting 20-24%.
Embodiment
A kind of Shot Blasting method for steel plate derusting rust-proofing that the present embodiment provides, comprises the following steps:
S1:Measure the thickness of steel plate;
S2:Steel plate is placed on operating desk, alkaline defatting agent 364FS is made into the 2wt% aqueous solution, by the alkaline defatting agent The aqueous solution is heated to 40-50 DEG C, then it is uniformly sprayed onto to the surface of steel plate, carries out ungrease treatment;
S3:Steel plate after ungrease treatment is placed in clear water, washed, then takes out steel plate, draining, is dried, drying Temperature be 80-100 DEG C;
S4:Steel plate is placed in shot blast room, carries out Shot Blasting, is adjusted according to the thickness of the S1 steel plates measured in Shot Blasting The electric current of shot-blasting machine and the cooperation between the time, if steel plate thickness is less than 3mm, Shot Blasting can cause steel plate deformed serious, should Forbid handling;If steel plate thickness is 3-3.5mm, current control is in 17A, and ball blast time control was at 65 seconds;If steel plate thickness is 3.5-4mm, current control is in 17A, and ball blast time control was at 80 seconds;If steel plate thickness is more than 4mm, current control is in 25A, throwing Ball time control at 90 seconds, wherein, the pill of Shot Blasting uses a diameter of 0.8-1.2mm alloy balls;
S5:After ball blast terminates, the pill of workpiece surface is cleared up using round brush or scraper plate;
S6:Workpiece is tested, check workpiece surface whether oil-free, rustless, non-scale, check workpiece surface roughness be It is no to meet the requirements;
S7:It is relatively wet at 10-30 DEG C in the qualified surface of steel plate rust prevention by applying liquid material paint of inspection, the temperature control for job site of painting Degree is no more than 80%, and rust prevention by applying liquid material paint uses aerial spraying, and spray gun is with being sprayed the distance controlling on surface in 200-300mm, compression Air-pressure controlling is in 2-4kg/cm3
It will be contrasted using the workpiece and the workpiece of traditional ball blast technique of the present embodiment ball blast technique processing, Shot Blasting Time is identical, comparing result such as table 1:
Table 1
As can be seen from Table 1, under the identical Shot Blasting time, compared with the workpiece of traditional ball blast technique processing, using this The roughness that invention ball blast technique carries out the workpiece not only workpiece of Shot Blasting is higher, and the cleannes of workpiece surface are also more Height, in addition, rustless property is also more superior.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape Into technical scheme, all fall within the protection domains of application claims.

Claims (8)

  1. A kind of 1. Shot Blasting method for steel plate derusting rust-proofing, it is characterised in that:Comprise the following steps:
    S1:Measure the thickness of steel plate;
    S2:Steel plate is placed on operating desk, the alkaline defatting agent aqueous solution is heated to 40-50 DEG C, is then uniformly sprayed onto it The surface of steel plate, carry out ungrease treatment;
    S3:Steel plate after ungrease treatment is placed in clear water, washed, then takes out steel plate, draining, drying;
    S4:Steel plate is placed in shot blast room, carries out Shot Blasting, is adjusted according to the thickness of the S1 steel plates measured in Shot Blasting The electric current of shot-blasting machine and the cooperation between the time, if steel plate thickness is less than 3mm, Shot Blasting can cause steel plate deformed serious, should Forbid handling;If steel plate thickness is 3-3.5mm, current control is in 15-20A, and ball blast time control is in the 60-70 seconds;If steel plate is thick Spend for 3.5-4mm, current control is in 15-20A, and ball blast time control is in the 70-90 seconds;If steel plate thickness is more than 4mm, electric current control Make in 20-30A, ball blast time control is in the 80-100 seconds;
    S5:After ball blast terminates, the pill of workpiece surface is cleared up using round brush or scraper plate;
    S6:Workpiece is tested, check workpiece surface whether oil-free, rustless, non-scale, check workpiece surface roughness be It is no to meet the requirements;
    S7:Qualified surface of steel plate rust prevention by applying liquid material paint is being examined, the temperature control for job site of painting is at 10-30 DEG C.
  2. A kind of 2. Shot Blasting method for steel plate derusting rust-proofing according to claim 1, it is characterised in that:The S2 The neutral and alkali degreasing agent aqueous solution is the aqueous solution that 2wt% is made into by alkaline defatting agent 364FS.
  3. A kind of 3. Shot Blasting method for steel plate derusting rust-proofing according to claim 1, it is characterised in that:The S3 The temperature of middle drying is 80-100 DEG C.
  4. A kind of 4. Shot Blasting method for steel plate derusting rust-proofing according to claim 1, it is characterised in that:The S4 In, if steel plate thickness is less than 3mm, Shot Blasting can cause steel plate deformed serious, should forbid handling;If steel plate thickness is 3- 3.5mm, current control is in 17A, and ball blast time control was at 65 seconds;If steel plate thickness is 3.5-4mm, current control is in 17A, ball blast Time control was at 80 seconds;If steel plate thickness is more than 4mm, current control is in 25A, and ball blast time control was at 90 seconds.
  5. A kind of 5. Shot Blasting method for steel plate derusting rust-proofing according to claim 1, it is characterised in that:The S4 The pill of middle Shot Blasting uses alloy balls.
  6. A kind of 6. Shot Blasting method for steel plate derusting rust-proofing according to claim 5, it is characterised in that:The conjunction A diameter of 0.8-1.2mm of golden shot.
  7. A kind of 7. Shot Blasting method for steel plate derusting rust-proofing according to claim 1, it is characterised in that:The S7 Middle rust prevention by applying liquid material paint uses aerial spraying, and spray gun is with being sprayed the distance controlling on surface in 200-300mm.
  8. A kind of 8. Shot Blasting method for steel plate derusting rust-proofing according to claim 7, it is characterised in that:The spray The air pressure of rifle is 0.3-0.6MPa.
CN201711115082.4A 2017-11-13 2017-11-13 A kind of Shot Blasting method for steel plate derusting rust-proofing Pending CN107791156A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN108806933A (en) * 2018-06-07 2018-11-13 山东泰开箱变有限公司 A kind of oil tank of transformer surface treatment method
CN108838050A (en) * 2018-07-16 2018-11-20 苏州艾斯肯机电设备有限公司 A kind of electromechanics product anticorrosive treatment process
CN111168577A (en) * 2020-01-14 2020-05-19 诸暨市领诚信息技术有限公司 Surface treatment method for copper processing product material
CN114378721A (en) * 2021-12-16 2022-04-22 沈阳天通电气有限公司 Surface anticorrosion coating pretreatment process for cold-rolled steel plate welded structural part
CN114438570A (en) * 2022-02-22 2022-05-06 江门市亚伯拉罕金属有限公司 Automobile part surface electrophoresis method and device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108806933A (en) * 2018-06-07 2018-11-13 山东泰开箱变有限公司 A kind of oil tank of transformer surface treatment method
CN108838050A (en) * 2018-07-16 2018-11-20 苏州艾斯肯机电设备有限公司 A kind of electromechanics product anticorrosive treatment process
CN111168577A (en) * 2020-01-14 2020-05-19 诸暨市领诚信息技术有限公司 Surface treatment method for copper processing product material
CN114378721A (en) * 2021-12-16 2022-04-22 沈阳天通电气有限公司 Surface anticorrosion coating pretreatment process for cold-rolled steel plate welded structural part
CN114438570A (en) * 2022-02-22 2022-05-06 江门市亚伯拉罕金属有限公司 Automobile part surface electrophoresis method and device
CN114438570B (en) * 2022-02-22 2024-01-23 江门市亚伯拉罕金属有限公司 Surface electrophoresis method and device for automobile parts

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Application publication date: 20180313