FABRICATION OF PORTABLE PAINT SPRAYER MACHINE

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056

Volume: 13 Issue: 03 | Mar 2026 www.irjet.net p-ISSN: 2395-0072

FABRICATION OF PORTABLEPAINTSPRAYERMACHINE

KANISHKAN H 1 , KIRTHIK ROSHAN R 2 , KRISHNA KUMAR G3, KUMARAVEL V M 4

1III Year, Dept of Mechanical Engineering, Lakshmi Ammal Polytechnic College, Tamilnadu, India

2III Year, Dept of Mechanical Engineering, Lakshmi Ammal Polytechnic College, Tamilnadu, India

3III Year, Dept of Mechanical Engineering, Lakshmi Ammal Polytechnic College, Tamilnadu, India

4III Year, Dept of Mechanical Engineering, Lakshmi Ammal Polytechnic College, Tamilnadu, India

Abstract - The Portable Paint Sprayer Machine is a compact and efficient device designed to provide uniform and smooth painting on various surfaces. The primary objective of this project is to develop a lightweight and user-friendly painting system that minimizes manual effort, reduces time consumption, and enhances coating quality. The machine works on the principle of atomization where paint is converted into fine droplets using compressed air or pressure and sprayed evenly throughanozzle.

Thefabricatedmodelconsistsofacompressororpump,a paintcontainer,aspraygun,ahosepipe,andasupporting frame. The portable design allows easy movement and operation in different locations. Compared to traditional brush and roller methods, this machine ensures faster application, better surface finish, and reduced paint wastage.

Keywords:Portable Paint Sprayer,Atomization

Compressed Air,Spray Gun,Nozzle

1. INTRODUCTION

Paintingisan essential finishingprocessusedtoprotect surfaces from corrosion, improve appearance, and increase durability. Traditional painting methods using brushes and rollers are time-consuming, require skilled labor, and often result in uneven coating. To overcome these limitations, paint spraying techniques have been widelyadoptedinindustriesanddomesticapplications.

1.1PROBLEM STATEMENT

Traditionalpaintingmethodssuchasbrushesandrollers requiremoretime,labor,andeffort,andoftenresultin unevencoatingandpaintwastage.Inlargesurfaceslike walls,furniture,andvehicles,manualpaintingreduces productivityandincreasesoverallcost.

1.2OBJECTIVES

The main objective of this project is to design and fabricateaportablepaintsprayermachinethatiscompact, lightweight, and easy to operate. The project aims to provide a uniform and smooth paint coating on different surfaceswhilereducingmanualeffortandpaintingtime.It

also focuses on minimizing paint wastage and improving efficiency compared to the traditional brush and roller method.

II.

COMPONENTS AND DESCRIPTION

Frame

A Frame is often a structural system that supports other components of a physical construction, and a steel frame that limits the construction extent. The frame acts as the supporting structure of the portable paint sprayer machine.

The electric air pump is the heart of the portable paint sprayer machine. It generates compressed air required to atomize and spray paint uniformly onto surfaces. The pump draws atmospheric air, compresses it through a hosetothesprayergun

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056

Volume: 13 Issue: 03 | Mar 2026 www.irjet.net p-ISSN: 2395-0072

Air tank

Theairtankisastoragevesselusedtoholdcompressed air generated by the electric air pump in a paint sprayer system. It maintains a constant pressure, ensuring a smooth and continuous flow of air to the spray gun. By storing air, it allows efficient and consistent paint application

Pressure gauge

Apressure gaugeisaninstrument usedto measureand display the pressure of air or fluid within a system. It provides a visual indication of system pressure, allowing the operator to monitor and maintain safe and optimal operatingconditions.

Ball valve

A ball valve is a type of flow control device that uses a spherical ball witha holethroughitscenter tostart,stop, orregulatetheflowofair,water,orfluidwithinasystem. Itprovidesaquickandreliablemethodofcontrollingflow withminimalleakage.

Gun sprayer

A gun sprayer is the main application tool in a paint spraying system, designed to atomize paint and deliver it evenly onto a surface. It converts the pressurized paint and air mixture into fine droplets, ensuring smooth and uniformcoating.

III. WORKING PRINCIPLE

The portable paint sprayer machine works on the principle of paint atomization using pressure or compressedair.Paintisstoredinacontainerandsupplied to the spray gun through a pipe. When the machine operates,thecompressororpumpgeneratespressurethat pushesthepainttowardsthenozzle.

IV. ADVANTAGES

The portable paint sprayer machine offers several advantages compared to traditional painting methods. It provides a smooth and uniform paint coating on surfaces, which improves the overall finish quality. The machine helps to reduce manual effort and saves a significant amountoftimeduringpaintingoperations

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056

Volume: 13 Issue: 03 | Mar 2026 www.irjet.net p-ISSN: 2395-0072

V. APPLICATIONS

The portable paint sprayer machine is widely used in various industries for efficient and uniform painting. It is commonly used in the construction industry for painting walls,ceilings,andbuildings.Intheautomobileindustry,it is used for vehicle body painting and finishing. The machine is also used in furniture manufacturing for applyingpaintorpolishonwoodensurfaces.

VI. FUTURE SCOPE

The portable paint sprayer machine has great potential for future development with the advancement of technology. In the future, more efficient and lightweight models can be developed using advanced materials and improveddesign.Theuseofbattery-poweredandcordless systemscanincreaseportabilityandeaseofuse.

CONCLUSION

The fabrication of the portable paint sprayer machine successfully demonstrates the application of mechanical, electrical, and fluid flow principles in developing an efficientanduser-friendlypaintingsystem.Themachineis designedtoprovideuniformpaintapplication,reduce,and minimizepaintwastage.

VII. REFERCENCES

1) Kalpakjian, S., & Schmid, S. R. (2014). Manufacturing Engineering and Technology (7th Edition).PearsonEducation. This book provides detailed information about manufacturing processes, fabrication techniques, and productionmethodsusedinengineeringprojects.

2) Hajra Choudhury, S. K., Hajra Choudhury, A. K., & Roy, N. (2010). Elements ofWorkshopTechnology (Vol. 1 & 2). Media Promoters&PublishersPvt.Ltd. Thisreferencebookexplainsmetalworkingprocesses,

BIOGRAPHIES

KANISHKAN H, IIIrdYearMechanicalDepartment, LakshmiAmmalPolytechnicCollege, Kovilpatti.

KIRTHIKROSHANR, IIIrd YearMechanicalDepartment, LakshmiAmmalPolytechnicCollege, Kovilpatti.

KRISHNAKUMAR G, IIIrd YearMechanicalDepartment, LakshmiAmmalPolytechnicCollege, Kovilpatti.

UMARAVEL VM, IIIrd K

YearMechanical Department, LakshmiAmmalPolytechnicCollege, Kovilpatti.