First, make sure that the surface to be painted is clean, free of rust. In addition, the paint may be fed under pressure to the gun. Spray painting is a painting technique in which a device sprays coating material paint, ink. The basic principle of spray application is to atomise the paint into a fine spray and to direct the spray onto the object to be coated. Analysis of droplet impingement of different atomizers used in spray. The aim of the paper is to study productivity of the current production. Spray painting and powder coating code of practice 2021 page 5 of 54 1. As an aerosol, paint is suspended in solid or liquid form in a gas that is sprayed on an object. Automated spray painting process is gaining interest in industry and research recently due to extensive application of spray painting in automobile industries. How to paint any car yourself stepbystep car painting. Paint preparation and paint application how tos the paint shop. Painting process is an important process in automotive industry. Automating spray painting process has advantages of improved quality, productivity, reduced labor, clean environment and particularly cost effectiveness. Spray painting and panel beating are generally performed in designated areas, often without physical barriers between them, particularly in smaller workshops.
The best option is to start with the pressure low and gradually increase the pressure until the break up of paint is sufficient. Spray painting process, spray painting may be achieved by any combination of the following processes. Guidance notes on paint spraying and related coating processes 4 b compressed air spraying it is the commonest sprayi ng method in which paint liquid is atomised in either internal or external mix nozzles by low pressure compressed air. Spray painting may be carried out by hand or automatically.
Tilting the gun either up or down will produce a heavy buildup of paint on the top or bottom of the spray pattern. Procedure to determine the presence of chromate in coatings. Ensure all unassociated areas are covered and secured with plastic, drop cloths, etc. Pdf development of automated spraypainting system for anti. It focuses on the spray painting process, and aims to provide practical guidance on how to achieve a.
In airless spray, a pump pressurizes the coating at a high level and forces it through a small elliptical ori. Expiry date, original labeled containers, manufacturers name, type of paint, brand name, color designation and instructions for mixing andor reducing. A thorough understanding of the material in this book plus a lot of actual spray painting practice should enable you to. Learn how to paint a car as tony bandalos walks you through a birdseye view of the complete car painting process.
Although we have made an effort to make this book as detailed and as. Project standards and specifications painting repair. In this process the paint is atomized by placing it under very high hydraulic pressure and forcing it through a small on f ice. Productivity is nothing but an economic measure of output per unit of input. The general proficiency of the operator and the nature of the coating itself will often determine if this method of application should be used. Hold the spray gun 12 15 inches away from the work surface and keep it perpendicular straight to the surface. Step 21 feather edge paint using a da sander with 180 220 sandpaper, feather edge the paint edge. With any restoration process, the first stage of a car painting is preparing.
The process so adopted is called one coat and when it gets dried, the same process is repeated which is called second coat. Spray painting consists of the painting operation itself followed by coated film drying. Paint and coatings can be applied as a solid, aerosol, or as a liquid. Spray guns evolved from airbrushes, and the two are usually distinguished by their size and the size of the spray pattern they produce. Exterior painting safety hazards w when using the paint gun it is important to release the pressure that can build up in the container. Test procedure and acceptance criteria prime painted steel. Step 22 apply glaze putty from paint edge to paint edge. A thorough understanding of the material in this bookplus a lot of actual spray painting practice should enable you to handle just about any spray painting situation.
Abrasion can be an undesirable effect of exposure to normal use or exposure to the elements. Primer before using z306, apply primer to provide the surface excellent adhesion. Spray painting, including electrostatic spray painting, is a process by which liquid paint is applied under. It is then baked at high temperatures, where it melts and adheres to a surface. Test procedure and acceptance criteria prime painted. This paper presents numerical studies on spray painting processes using three different atomizers, i. In certain instances, a portion of the part may be silkscreened. Spray painting is a painting technique in which a device sprays coating material paint, ink, varnish, etc. The devil in the white city by erik larson, vintage, 2004. Arcing the gun causes a heavy coverage of paint on the left and right side of the pattern.
It may different from actual condition which is depend on client requirement. Its important to follow proper cleanup, storage, and disposal procedures. You must monitor violations of the procedures and laws that cover worker safely for the paint. For example, items that are commonly spray painted include motor vehicles, buildings, furniture, whitegoods, boats, ships, aircraft and machinery. Ensure all spray painting equipment is cleaned and stored away in the correct location. Spraying can be wasteful, dip tanks can lead to large quantities of hazardous waste being. Threat muscle strain and associated tendon, nerve, disc. The painting process are include a few other process, which are pretreatment and electrodeposition ed process, ed. The paint used in the painting process is diluted with thinner, and solid portions in the paint form the coating film after the spraying operation. Even a commonplace activity like painting has hazards. Injection in the skin is a serious traumatic injury. Spray painting spray painting is a process by which air is driven across the mouth of a small outlet under such pressure as to draw the paint out and produce an air paint mist from the jet of the spray gun. All field painting requires the inspector to closely monitor the procedures found in the paint manufacturers instructions and the special provisions. Work permits will be issued in accordance with csbp procedure work permit system csbpgm1103151.
Spray painting is a process by which air is driven across the mouth of a small outlet under such pressure as to draw the paint out and produce an air paint mist from the jet of the spray gun. Move the spray gun parallel to the work and at a right angle to the surface. Pdf this paper is presented to document a development process of automated system for the spray painting process and for the purpose of. The salt spray test and its use in ranking stainless steels. Procedure for measuring dry film thickness by destructive means. Airless spray is normally the choice of application method but if conventional air spray is used. Handling damage shall be touched up with organic epoxy zincrich primer prior to applying the remaining coats. Procedure to determine the presence of soluble lead and insoluble. Aha painting and other coatings national cancer institute. The paint used in the painting process is diluted with thinner, and solid. If the rotationally molded part is to be painted, traditional spray painting techniques are used. If deviations from these methods and procedures were made, they shall be described in the report. When you finish cleanup area and dispose of paint products appropriately.
Check materials, paint system and subcontractors are approved by the consultant engineer. Guidelines for controlling health hazards in painting. This is the process of layering the paint layers to eliminate hard edges. Painting procedure template free download as word doc. This painting procedure only a guide line to fresh qaqc engineer. However, some, particularly larger shops have separate buildings for panel beating and spray painting, although usually with open internal access between them. Spray painting, including electrostatic spray painting, is a process by which liquid paint is applied under pressure to an object. May 14, 2020 to spray paint a car, first make sure you spray in a wellventilated area, and wear a mask and goggles for safety.
Sspc steel structures painting council dft dry film thickness wit wet film thickness procedures 1. Applicable surfaces generic aluminum or stainless steel surface works perfect. Lifecycle costs however, can be significantly lower for thermal sprayed coatings when compared to painting ref. Technical guide guide to protective coatings, inspection. Guide to spray painting your car i desjardins insurance. Setting up, operating, and maintaining air spray equipment. Airless spray equipment users should read all warnings and shouldfollow all safety precautions and procedures. For large abrasive blasting or spray painting jobs where there may be a higher level of hazards, a team based risk assessment may be required.
Spray painting may only be conducted by those persons familiar with the procedures of spray painting and the risk management processes outlined in this document. All the work is to be inspected at the site by the site engineer from time to time. Spray painting surface coating blastline institute youtube. Spray particles retain enough velocity to travel into the skin.
Dispose of waste paint \solvent in accordance with uq environmental management syetem chemical waste management procedure. Eye protection,eg safety glasses or goggles, is also required. Inorganic primers should not be applied in the field. Once the sprayer has stopped building pressure, begin to spray until the new material is coming out of your airless spray gun. In internal mix nozzles, liquid and compressed air are combined in a chamber inside the. Procedures handbook surface preparation and painting of tanks and closed areas 5a. Paint trouble shooting paint problems and solutions 7. Spray painting hazardous chemicals must be conducted in booths, except where it is not practical to do so or where the work is of a minor nature. As discussed in the maintenance paint job section, procedures and laws related to worker safety are very important and apply to the application of paint just as they do to the removal of paint.
As a solid, paint can be sprayed on as a very fine powder. In that case the paint is made thin by mixing thinner into it. There are various types of painting methods, and spray painting is currently used in many types of industrial painting. Corrosion protection painting is a process where quality cannot be fully.
Good spray technique is a skill that can be quickly learned by following these simple instructions. Abrasion mechanical abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. The purposes of the process are to give more attractive appearance to the vehicles and to provide the layer of protection against corrosion and weathering. Spray painting should only be carried out by persons who are trained in the task and who have been instructed in the hazards and risk control measures for the substances that they will be exposed to during the spray painting process. Automating spray painting process has advantages of improved quality, productivity, reduced labor, clean environment and. The most common types employ compressed gasusually airto atomize and direct the paint particles. Painting repair procedure project standards and specifications page 2 of 25 rev. Delivered paint materials shall be checked the following things. Once the material is primed through the fluid section and to the spray gun, spray a test pass. The acceptability of a paint booth or room is based on observing the operation, obtaining representative atmospheric sampling, and determining the physical parameters. Booths must be designed and built to comply with asnzs 4114. Both arcing and tilting the air spray gun also causes an angle at which the paint can bounce off the work piece surface. The processes involved in spray painting and powder coating are hazardous due to a. Unopened new paint cans may be stored in cupboards.
Performing organization names and addresses naval surface warfare center cd code 2230 design integration tools. Procedure handbook for shipboard thermal sprayed coating. The purpose of this national guidance material for spray painting is to enable a consistent approach to controlling the risks from spray painting. Spray painting booth is a room or enclosure designed and dedicated solely for the purpose of conducting all operations associated with spray painting. A flow diagram of the spray painting process is shown as an example in fig. Always read safety data sheets sdss and labels before you paint.
The two most common methods of paint spray application are air atomized spray and airless spray. The most common exposure control methods for spray paint operations is the use of spray paint booths or rooms. It can be intentionally imposed in a controlled process using an abrasive. Spray application of paint and coatings safety bulletin ch004. Guidelines for controlling health hazards in painting operations. If deviations from these methods and procedures were. Care shall be taken to ensure that the substrate surface does not become polished during power tool cleaning. This is a traditional process of expressing special ink through an appropriately masked screen onto the prepared plastic surface. They include our 3m dirt trap products, for keeping the paint booth and your work clean, our revolutionized 3m pps series 2. The company adopts the following process when dealing with your car be it private or insurance work. Thermal spray application costs can vary significantly depending on the location or environment of the application shop vs. Working in a fixed position or awkward position details muscles tire quickly when you stay in a fixed or awkward position that places them at higher risk for injury. Spray painting spray only in a spray booth that meets ministry of labour guidelines in engineering data sheet no.
Spray painting and powder coating nt worksafe northern. Ensure adequate drop sheets and masking are used for the application of less hazardous paints ie. Airless spray guns atomize by hydraulic pressure, forcing paint through a very small orifice in the nozzle 0. Spray painting and powder coating safe work australia. Part 3, division 9, subdivision 5, abrasive blasting. Painting procedure aeroglaze z306 flat black absorptive polyurethane 1. Spray painting and powder coating are carried out in a variety of industries. The number of active, half used paints should be kept to a minimum. Paint preparation and paint application how tos the. Spray painting requires a certain amount of skill and experience. Inputs include labour and capital, while output is typically measured in process time and revenues. There are several methods used to atomise the paint for spraying. The finish must be applied by a spray gun, and all the. Next, hold the can about 10 inches away and parallel to the cars surface, and spray the paint using even, horizontal strokes.
Pdf productivity enhancement for spray painting process of. Tustins panel and paint provides a comprehensive car repair service which includes panel beating and spray painting services. Paint viscosity in relation to climatic conditions. The paint used in the painting process is diluted with. When youre ready to paint, shake the can for at least 3 minutes. Sep 08, 2011 before painting, paint mix ratio shall be as per paint manufacturer recommendations 6. Method statement for internal painting works method. Air atomized spray uses compressed air to atomize, or transform, a coating into very fine particles or droplets as it exits the spray gun.
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