CN1153684A - Prodn process of colour powder sprayed hot galvanized sheet shape - Google Patents
Prodn process of colour powder sprayed hot galvanized sheet shape Download PDFInfo
- Publication number
- CN1153684A CN1153684A CN 95117806 CN95117806A CN1153684A CN 1153684 A CN1153684 A CN 1153684A CN 95117806 CN95117806 CN 95117806 CN 95117806 A CN95117806 A CN 95117806A CN 1153684 A CN1153684 A CN 1153684A
- Authority
- CN
- China
- Prior art keywords
- galvanized sheet
- sheet shape
- hot galvanized
- production process
- sprayed hot
- 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
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
Abstract
The production process includes the steps of degreasing, water washing, production of phosphate film, water washing, stoving, spraying with polyester powder, curing and others. After color powder spraying, the hot galvanized sheet has enhanced surface hardness and gloss, improved shock resistance and weatherability, and manifold color. The present invention is suitable for production of steel door and window.
Description
The present invention relates to a kind of empty stomach steel window and door sectional material spraying production technique.
Existing empty stomach steel window and door sectional material mainly is cold rolling thin steel band or colored enamelled coating steel plate.Its spray production technique comprises part, pre-treatment, bottom layer treatment, dries, is coated with surface layer, curing and following part operation.Pretreatment procedure mainly is that pickling is derusted, decontamination; Bottom layer treatment generally is brush one deck rust-proofing primer, or uses electrophoretic painting; Being coated with the surface layer operation is at section bar surface brush one deck paint, coating or spray polyester lacquer.The steel sash topcoating layer hardness that goes out with this explained hereafter is lower, and dope layer sticking power and impact resistance have much room for improvement, and surface layer scratches easily, collides with, comes off; The surface easily loss of gloss, fade, weather resistance is relatively poor, steel sash was exposed to the weather through the several years, mopping again, maintenance.In addition, use existing processes, the section bar color is few, can not satisfy customer requirements.
The purpose of this invention is to provide a kind of production process of colour powder sprayed hot galvanized sheet shape, as base material,, improve its surface hardness and surface gloss, improve impact resistance and weather resistance through color powder spraying section bar with heat zinc coating plate.
Technical scheme of the present invention is:
Production process of colour powder sprayed hot galvanized sheet shape comprises part, pre-treatment, bottom layer treatment, dries, is coated with surface layer, curing and following part operation, it is characterized in that:
The step of pretreatment procedure has:
Degreasing,
Once washing,
Secondary water washing;
The bottom layer treatment operation is:
Phosphatize phosphate coat changes into,
Washing,
Pure water is washed;
Being coated with the surface layer operation is: with polyester powder spraying, coating thickness 45-60 μ m;
The FC of degreasing is 434g, and temperature is 50-60 ℃, concentration 8-9PT, operating pressure 0.1-0.12MPa;
The temperature of once washing after the degreasing is 40 ℃, and the temperature of secondary water washing is a normal temperature.
The temperature that phosphatize phosphate coat changes into is 35-40 ℃, and MET is 1303, and operating pressure is 0.1-0.15MPa.
Phosphatize phosphate coat changes into the back and washes with the backflow pure water earlier, washes with the pure water of water electric conductivity≤5 μ S/cm again, and operating pressure is 0.08-0.1MPa.
A tolerance of polyester film spraying is 0.75MPa, and secondary tolerance is 0.25MPa, and operating voltage is 60-80KV, reciprocating stroke 30 times/minute.
Technical process of the present invention:
----------phosphatize phosphate coat changes into, and----pure water is washed--dries--the following part of polyester powder spraying--curing--to secondary water washing in washing in once washing in degreasing to go up part after heat zinc coating plate interlock moulding.
Advantage of the present invention: adopt production process of colour powder sprayed hot galvanized sheet shape, make steel casement door window coating hardness height (3H), strong adhesion (0 grade), coating impact resistance good (reverse impact 5.3Nm), good film flexibility (the crooked 3mm of cylinder), glossiness is good, and color is complete, has avoided colliding with in the assembling procedure, has scratched phenomenon; Good weatherability (500 hours no changes of artificial accelerated aging; Salt spray resistance, no foaming in 500 hours, non-corroding, no considerable change), adapt to various weather condition and change, do not fade, not loss of gloss; Antirust processing adopts phosphatize phosphate coat to change into, and makes its technology more simple and reliable.
Below in conjunction with drawings and Examples the present invention is elaborated:
Fig. 1 is a process flow sheet of the present invention.
Last part--after heat zinc coating plate interlock moulding, workpiece is transported worktable;
Degreasing--FC is 434g, and temperature is 50-60 ℃, concentration 8-9PT, operating pressure 0.1-0.12MPa;
Once the washing--temperature be 40 ℃, pH value 6-9;
Secondary water washing--temperature be normal temperature, pH value 6-9;
Phosphatize phosphate coat changes into--and the temperature that phosphatize phosphate coat changes into is 35-40 ℃, and MET is 1303, and operating pressure is 0.1-0.15MPa;
Washing--wash pH value 6-9 with the backflow pure water;
Pure water is washed--and wash with the pure water of water electric conductivity≤5 μ S/cm, operating pressure is 0.08-0.1MPa again;
Spraying--with polyester powder spraying, coating thickness 45-60 μ m; A tolerance of polyester film spraying is 0.75MPa, and secondary tolerance is 0.25MPa, looks institute and sprays the material shape adjusting;
Solidify--solidification value is 180-190 ℃, 20 minutes set times;
Following part--series arrangement integral body, conveyer chain speed are the 1.7m/ branch.
The present invention uses Shanghai Baosteel substrate, as adopts other material, corresponding adjusting process parameter.
Claims (6)
1, a kind of production process of colour powder sprayed hot galvanized sheet shape comprises part, pre-treatment, bottom layer treatment, dries, is coated with surface layer, curing and following part operation, it is characterized in that:
The step of pretreatment procedure has:
Degreasing,
Once washing,
Secondary water washing;
The bottom layer treatment process is:
Phosphatize phosphate coat changes into,
Washing,
Pure water is washed;
Being coated with the surface layer operation is: with polyester powder spraying, coating thickness 45-60 μ m;
2, production process of colour powder sprayed hot galvanized sheet shape according to claim 1 is characterized in that: the FC of degreasing is 434g, and temperature is 50-60 ℃, concentration 8-9PT, operating pressure 0.1-0.12MPa.
3, production process of colour powder sprayed hot galvanized sheet shape according to claim 1 is characterized in that: the temperature of once washing after the degreasing is 40 ℃, and the temperature of secondary water washing is a normal temperature.
4, production process of colour powder sprayed hot galvanized sheet shape according to claim 1 is characterized in that: the temperature that described phosphatize phosphate coat changes into is 35-40 ℃, and MET is 1303, and operating pressure is 0.1-0.15MPa.
5, production process of colour powder sprayed hot galvanized sheet shape according to claim 1 is characterized in that: phosphatize phosphate coat changes into the back and washes with the backflow pure water earlier, washes with the pure water of water electric conductivity≤5 μ S/cm again, and operating pressure is 0.08-0.1MPa.
6, production process of colour powder sprayed hot galvanized sheet shape according to claim 1 is characterized in that: a tolerance of described polyester powder spraying is 0.75MPa, and secondary tolerance is 0.25MPa, and operating voltage is 60-80KV, reciprocating stroke 30 times/minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95117806 CN1153684A (en) | 1995-12-04 | 1995-12-04 | Prodn process of colour powder sprayed hot galvanized sheet shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95117806 CN1153684A (en) | 1995-12-04 | 1995-12-04 | Prodn process of colour powder sprayed hot galvanized sheet shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1153684A true CN1153684A (en) | 1997-07-09 |
Family
ID=5081356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95117806 Pending CN1153684A (en) | 1995-12-04 | 1995-12-04 | Prodn process of colour powder sprayed hot galvanized sheet shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1153684A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320964C (en) * | 2004-10-21 | 2007-06-13 | 于志诚 | Automatic color spraying technique for PVC Shaped section |
| CN101702333B (en) * | 2009-11-05 | 2013-05-29 | 周宏伟 | Compound copper conductor with decoration and antiseptic effect and manufacturing method thereof |
| CN104929293A (en) * | 2015-06-03 | 2015-09-23 | 安徽鸿路钢结构(集团)股份有限公司 | Treatment method of galvanized bottom plate of floor support plate of steel bar truss |
| CN105344508A (en) * | 2015-10-26 | 2016-02-24 | 南京万德游乐设备有限公司 | Powder spray process for fitness equipment |
| CN105817839A (en) * | 2016-04-21 | 2016-08-03 | 滁州博昊门业制造有限公司 | Production technical process of zinc-steel guardrails |
| CN106760134A (en) * | 2017-02-20 | 2017-05-31 | 南通中港涂装设备有限公司 | New special lightgage steel joist |
-
1995
- 1995-12-04 CN CN 95117806 patent/CN1153684A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320964C (en) * | 2004-10-21 | 2007-06-13 | 于志诚 | Automatic color spraying technique for PVC Shaped section |
| CN101702333B (en) * | 2009-11-05 | 2013-05-29 | 周宏伟 | Compound copper conductor with decoration and antiseptic effect and manufacturing method thereof |
| CN104929293A (en) * | 2015-06-03 | 2015-09-23 | 安徽鸿路钢结构(集团)股份有限公司 | Treatment method of galvanized bottom plate of floor support plate of steel bar truss |
| CN105344508A (en) * | 2015-10-26 | 2016-02-24 | 南京万德游乐设备有限公司 | Powder spray process for fitness equipment |
| CN105817839A (en) * | 2016-04-21 | 2016-08-03 | 滁州博昊门业制造有限公司 | Production technical process of zinc-steel guardrails |
| CN106760134A (en) * | 2017-02-20 | 2017-05-31 | 南通中港涂装设备有限公司 | New special lightgage steel joist |
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| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |