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Product Introduction:
Gun body: The gun body is the main part of the paint spray gun,
usually made of metal, such as aluminum alloy. It serves to connect
and support other parts, and is ergonomically designed for easy
holding and operation by users.
Nozzle: The nozzle is a key component of the paint spray gun, and
its diameter will affect the effect of the paint spraying. Smaller
nozzles are suitable for fine painting work, such as small areas
such as car logos; larger nozzles can spray larger areas in a short
time, but the sprayed paint mist particles are relatively coarse.
The material of the nozzle generally has good wear resistance and
corrosion resistance to ensure the uniformity and quality of the
sprayed paint.
Needle valve: The needle valve is used to control the flow of
paint. When the trigger is pressed, the needle valve is pushed to
enable the paint to be sprayed from the nozzle. By adjusting the
opening and closing degree of the needle valve, the amount of paint
sprayed can be accurately controlled to meet different painting
requirements, such as the needle valve opening can be adjusted to a
smaller degree when spraying thin layers.
Air cap: The air cap is mainly used to guide and control the flow
of compressed air. It surrounds the nozzle, and compressed air is
sprayed through the small holes on the air cap, atomizing the paint
flowing out of the nozzle. The design and arrangement of the small
holes on the air cap will affect the shape, angle and distribution
of the paint mist. For example, some air caps can produce
fan-shaped paint mist, which is suitable for large-area flat
spraying; while others can produce circular paint mist for local
repairs, etc.
Trigger: The trigger is the part that the user uses to operate the
paint spray gun. When the finger presses the trigger, the paint
supply and compressed air supply system will be started at the same
time (in some high-end spray guns, the supply of paint and air can
be adjusted separately through different control devices), so that
the paint spray gun starts working. The design of the trigger
should be sensitive and have appropriate elasticity so that the
user can accurately control the start and stop of the spraying.
Paint cup or paint can: A paint cup or paint can is a container for
storing paint. The paint cup generally has a small capacity and is
suitable for small-area spraying work. It can be directly installed
on the spray gun. Some paint cups are transparent, which is
convenient for users to observe the remaining amount of paint. The
paint can has a large capacity and is usually connected to the
paint spray gun through a pipe, which is suitable for long-term and
large-area painting operations.
2. Working principle
The car paint spray gun uses compressed air to atomize the paint
and spray it onto the surface of the car. When the trigger is
pressed, compressed air is ejected at high speed from the small
hole in the air cap, forming a low-pressure area at the nozzle
outlet. At the same time, the needle valve opens, and the paint is
sucked out of the paint cup or paint can under the action of the
pressure difference and flows to the nozzle. At the nozzle outlet,
the paint is atomized into tiny particles by the high-speed flow of
compressed air to form paint mist. These paint mists are sprayed
onto the surface of the car. Because the paint mist particles are
small and evenly distributed, they can form a smooth and uniform
coating on the surface of the car.
3. Classification
Classification by paint supply method
Gravity spray gun: The paint cup is installed above the spray gun,
and the paint flows into the nozzle by its own gravity. The
advantage of this spray gun is that the paint supply is relatively
stable and the paint flow can be better controlled, which is
suitable for fine painting work and small area repairs. For
example, when repairing car scratches, using a gravity spray gun
can more accurately control the amount of paint, so that the
repaired surface blends better with the surrounding area.
Siphon spray gun: The paint cup is installed under the spray gun,
and the paint is sucked into the spray gun by the siphon principle.
Its working principle is that when the air pressure in the spray
gun is lower than the outside atmospheric pressure, the outside
atmospheric pressure will press the paint into the spray gun. The
advantage of the siphon spray gun is that it can use a larger
capacity paint cup, which is suitable for large-area painting
operations.
Pressure spray gun: The paint is stored in an independent pressure
tank, and the paint is delivered to the spray gun by applying
pressure to the pressure tank. This spray gun can provide a stable
paint flow and can be used for high-viscosity paint. It is suitable
for large-scale painting operations such as industrial-grade
automobile painting production lines.
Classification by atomization method
Internal mixing spray gun: The paint and compressed air are mixed
inside the spray gun before being sprayed out. This method can
produce a more delicate atomization effect, but the structure of
the spray gun is relatively complex, and cleaning and maintenance
are also more troublesome.
External mixing spray gun: The paint and compressed air are mixed
outside the spray gun. Its advantages are simple structure and easy
cleaning, but the atomization effect may be slightly worse than the
internal mixing type.
4. Precautions for use
Cleaning and maintenance
After each use, the paint spray gun should be cleaned in time.
Because the car paint will clog the nozzle, needle valve and other
parts after drying, affecting the performance of the paint spray
gun. When cleaning, it is generally necessary to use a special
spray gun cleaner to clean the paint residue. At the same time, the
paint spray gun should be disassembled and inspected regularly,
such as checking whether the seal is damaged.
Adjusting parameters
Before painting, it is necessary to adjust the air pressure, paint
flow and other parameters of the paint spray gun according to the
type, viscosity and requirements of the paint. If the air pressure
is too high, the paint mist may be too dispersed and the adhesion
of the paint will decrease; if the paint flow is too large, it will
cause paint accumulation and form a sagging phenomenon.
Gun holding posture and operating skills
The correct gun holding posture helps to ensure the uniformity of
the paint spray. Generally, the spray gun should be kept
perpendicular to the surface of the car and kept at an appropriate
distance, usually about 15-20 cm. When moving the spray gun, keep a
constant speed and smooth movement, and avoid sudden acceleration
or deceleration, so that the paint mist can be evenly distributed
on the surface of the car.
V. Scope of application
Car paint spray guns are mainly used for whole-vehicle painting in
the production and manufacturing process of automobiles, as well as
body surface repair and repainting in automobile repair and
maintenance. In the field of automobile modification, it is also
used to add personalized painting effects to cars.
Manufacturer introduction:
Meklon has a professional design team who deeply studies the latest
trends in spraying technology and user needs. Through advanced
computer-aided design software, every detail of the spray gun is
carefully designed to ensure that it achieves the best balance in
terms of function and ergonomics. During the R&D stage, we will
conduct a lot of simulation tests to optimize the internal
structure and airflow channels of the spray gun to achieve
excellent atomization effect and paint transfer efficiency.
Raw material selection
Only high-quality raw materials are selected to ensure the
durability and performance stability of the spray gun. The gun body
is made of high-strength aluminum alloy material, which has good
corrosion resistance and wear resistance after precision processing
and surface treatment. Key components such as nozzles and needle
valves are made of special stainless steel alloys, which are finely
ground and heat-treated to ensure their dimensional accuracy and
hardness, and can work stably for a long time and resist paint
corrosion and wear.
Parts processing
With advanced CNC processing equipment and precision mold
manufacturing technology, we ensure that the processing accuracy of
each component can reach extremely high standards. The aperture
processing accuracy error of the nozzle is controlled within a very
small range to ensure the uniformity and stability of the paint
mist. The straightness and sealing of the needle valve are also
strictly tested and adjusted to ensure the precise control of the
paint flow.
Assembly and debugging
In a clean assembly workshop, experienced technical workers
assemble the spray gun. Each component is strictly cleaned and
inspected before assembly to ensure the accuracy and consistency of
the assembly process. After assembly, each spray gun is fully
debugged for performance, including air pressure test, paint flow
adjustment, atomization effect test, etc., to ensure that the spray
gun can achieve optimal performance under various working
conditions.
Quality inspection
A strict quality inspection system has been established, and every
link is strictly inspected from the entry of raw materials to the
exit of finished products. Advanced inspection equipment such as
laser measuring instruments, microscopes, pressure testers, etc.
are used to comprehensively inspect the appearance, size,
performance, etc. of the spray gun. Only spray guns that pass all
inspection items can be labeled as qualified and enter the market
for sale.
2. Product quality
Excellent performance
Our spray guns have excellent atomization effect, which can evenly
atomize the paint into tiny particles, making the surface smooth
and flat after spraying, without defects such as sagging and orange
peel. The paint flow control is precise, and users can easily
adjust it according to different spraying needs. Whether it is fine
local repair or large-area vehicle spraying, it can achieve the
ideal effect.
Durability
After careful material selection and strict processing technology,
the spray gun has extremely high durability. Under normal use and
maintenance, it can work stably for a long time and is not prone to
failure. The corrosion and wear resistance of the gun body and key
components ensure that the spray gun can maintain a good condition
even in harsh working environments, extending its service life.
Reliability
Each spray gun undergoes rigorous performance testing and quality
inspection before leaving the factory to ensure that it can operate
reliably under various working conditions. We control the quality
of our products throughout the entire production process, from
design to raw material procurement, from processing and
manufacturing to assembly and commissioning. Every link is strictly
operated in accordance with international standards and industry
specifications to provide users with trustworthy products.
III. Shelf life
We provide a quality guarantee period of [X] years for our
products. During the warranty period, if the user finds quality
problems with the product under normal use, we will provide free
repair or replacement services. We have a professional after-sales
team to provide users with technical support and service guarantees
at any time to ensure that users can use our products without
worries.
4. Global sales and customer affirmation
Sales network expansion
For many years, we have been committed to expanding the global
sales network, and our products have been wholesaled all over the
world. By participating in internationally renowned auto parts
exhibitions, coating equipment exhibitions and other industry
events, our spray gun products have received widespread attention
and recognition. At present, we have established stable sales
channels in Europe, North America, Asia, Africa and other regions,
and have established long-term cooperative relations with many
well-known dealers and customers.
Experience in cooperation with dealers in various places
In cooperation with dealers in various places, we focus on
communication and collaboration. Provide dealers with comprehensive
product training and technical support to help them better
understand and sell our products. We will formulate personalized
marketing strategies and sales plans according to the market needs
and characteristics of different regions, and jointly develop the
market with dealers. At the same time, we have established an
efficient logistics distribution system to ensure that products can
be delivered to dealers in various places in a timely and accurate
manner to meet customer needs.
Customer affirmation and feedback
Our products have won high recognition from customers all over the
world. European auto repair shop customers praise our spray guns
for their easy operation and stable performance, which can greatly
improve their work efficiency and repair quality. North American
auto manufacturer customers said that our spray guns perform well
on large-scale production lines, and their precise paint control
and excellent atomization effect save them a lot of paint costs
while improving the appearance quality of the product. Asian auto
modification shop customers favor the diverse functions and
personalized designs of our spray guns, believing that it adds
unique competitiveness to their modification business.
Customer feedback is our driving force for continuous progress. We
actively collect customer opinions and suggestions, and
continuously improve the design and performance of our products to
better meet market demand. Through close cooperation and
interaction with customers, our brand has established a good
reputation worldwide and has become a well-known brand in the spray
gun industry.
We will continue to uphold the concept of "quality first, customer
first", continuously innovate and improve product quality, provide
global customers with better quality spray gun products and
services, and create more brilliant achievements in the field of
spray gun manufacturing.