1. Raw Material Selection: The Foundation of High-Quality Steel Trash Cans
Outdoor
The quality of steel trash cans outdoor starts with raw material selection, which is the first line of defense for product durability.
Our factory strictly selects high-quality steel materials, mainly including 201, 304 stainless steel, as well as galvanized steel,
according to the different use scenarios and customer needs. These materials have excellent corrosion resistance, rust
resistance and impact resistance, which can effectively resist the erosion of rain, sunlight, humidity and other outdoor factors,
ensuring that the trash cans have a long service life.
Before entering the production line, all raw materials must go through a strict inspection process. Our professional quality
inspection team uses professional testing equipment such as spectrum analyzers and hardness testers to detect the
composition, thickness and mechanical properties of the steel plates, eliminating unqualified materials at the source. At the
same time, we have established long-term cooperative relationships with well-known steel suppliers, ensuring the stability and
traceability of raw material quality, laying a solid foundation for the subsequent production process.
2. Cutting Process: Precision Cutting to Ensure Dimensional Accuracy
After the raw materials are qualified, they enter the cutting process, which is the first step in shaping the steel trash cans
outdoor. Our factory adopts advanced laser cutting and CNC punching equipment, which replaces the traditional manual
cutting method, greatly improving the cutting precision and production efficiency. The technical team inputs the designed
drawings into the computer control system, and the equipment can automatically cut the steel plates into the required sizes
and shapes according to the parameters, including the barrel body, barrel cover, base and other components.
The laser cutting technology has the advantages of high precision, smooth cutting surface and small thermal deformation,
which can ensure that the dimensional error of each component is controlled within ±0.10mm, meeting the strict assembly
requirements of subsequent processes. For some special-shaped steel trash cans outdoor, the CNC punching machine can
accurately punch holes and cut notches according to the design requirements, ensuring the rationality of the product structure
and the beauty of the appearance. After cutting, each component will be sorted and inspected to remove burrs and irregular
edges, ensuring that there are no potential safety hazards and laying the foundation for the next process.
3. Bending and Forming: Shaping the Basic Structure of the Trash Can
The cut steel components enter the bending and forming process, which is the key link to shape the basic structure of the steel
trash cans outdoor. Our factory is equipped with high-precision hydraulic bending machines and curling & flanging combiners,
which can realize the precise bending and forming of steel plates according to the design drawings. For the barrel body of the
trash can, the steel plate is first rolled into a cylindrical shape by a rolling machine, and then the joint is fixed by welding to
form a closed barrel body.
In the bending process, the control system will adjust the speed, tension and position in real time according to the size and
specifications of the trash can, ensuring that the bending angle and curvature meet the design requirements. The curling &
flanging combiner can realize the top inner curling and bottom flanging at the same time in one station: the upper edge is bent
and curled by the curling mold to make it fit tightly on the barrel surface, ensuring the safety and aesthetics of the product; the
lower edge is gradually folded into the required shape under the pressure of the flanging mold, laying the foundation for the
subsequent assembly of the base and barrel bottom. In addition, for some trash cans with reinforcing ribs, we will use a rolling
machine to press annular reinforcing ribs on the barrel body to improve the longitudinal compressive strength and stacking
capacity of the trash can.
4. Welding Process: Firm Connection to Ensure Structural Stability
After bending and forming, each component of the steel trash cans outdoor needs to be connected by welding, which is
directly related to the structural stability and service life of the product. Our factory adopts advanced welding technologies
such as laser welding, argon arc welding and high-frequency resistance welding, and arranges professional welders with rich
experience to operate, ensuring the firmness and beauty of the welds.
In the welding process, the welders strictly follow the welding process specifications, and adjust the welding current, voltage
and speed according to the thickness of the steel plate and the type of material to avoid welding defects such as pores, cracks
and incomplete penetration. After welding, the weld seam will be flattened by a seam flattening process, making the inner and
outer surfaces of the weld seam flush with the barrel body, smooth as a mirror, and avoiding dirt accumulation and difficulty in
cleaning. At the same time, the welding process is carried out in a dust-free and moisture-proof workshop to ensure the
welding quality and prevent the weld seam from rusting due to environmental factors.
5. Polishing Process: Refining the Surface to Improve Aesthetics
After the welding is completed, the steel trash cans outdoor enter the polishing process, which is an important link to improve
the surface quality and aesthetics of the product. Our factory is equipped with professional polishing equipment and adopts
multi-stage polishing processes, including rough polishing, fine polishing and mirror polishing, to thoroughly polish the surface
of the trash can and the weld seam area.
In the rough polishing stage, the polishing workers use a grinding machine to remove the welding marks, burrs and uneven
areas on the surface of the trash can, making the surface of the product relatively flat; in the fine polishing stage, they use fine
sandpaper and polishing paste to polish the surface of the trash can, making the surface smoother and more delicate; for
products that require high appearance, we will carry out mirror polishing to make the surface of the steel trash can show a
bright mirror effect, improving the overall aesthetics of the product. After polishing, the surface of the trash can is free of
scratches, burrs and other defects, and the hand feel is smooth, which not only improves the appearance quality, but also lays a
good foundation for the subsequent surface treatment.
6. Surface Treatment: Enhancing Protection and Aesthetics
Surface treatment is a key process to enhance the corrosion resistance, rust resistance and aesthetics of steel trash cans
outdoor, and it is also an important measure to adapt to the outdoor harsh environment. Our factory mainly adopts two
surface treatment methods: powder coating and galvanization, and can also carry out customized surface treatment according
to customer needs, such as electrophoresis, electroplating and sandblasting.
For powder coating, the polished trash cans are first put into the pre-treatment line for degreasing, derusting, phosphating
and other treatments to remove oil stains and rust on the surface, ensuring that the powder can be firmly attached to the
surface of the steel plate. Then, the electrostatic powder coating process is adopted, and the powder is evenly sprayed on the
surface of the trash can by an electrostatic spray gun. After high-temperature curing, a uniform, smooth and wear-resistant
coating is formed on the surface. The coating can be customized into various colors according to customer needs, such as RAL
colors, which not only enhances the corrosion resistance and UV resistance of the product, but also makes the product more
beautiful and meets the aesthetic needs of different scenarios. For galvanized surface treatment, the trash cans are immersed in
the galvanizing solution, so that a layer of zinc layer is formed on the surface of the steel plate, which has excellent corrosion
resistance and can effectively extend the service life of the product in humid and corrosive outdoor environments.
7. Assembly Process: Integrating Components to Form Finished Products
After the surface treatment is completed, each component of the steel trash cans outdoor enters the assembly process. Our
factory adopts an automated assembly line, which integrates the barrel body, barrel cover, base, pedal (if any), inner barrel and
other components into a complete finished product according to the design requirements. The assembly workers strictly
follow the assembly process specifications, and use high-quality 201 or 304 stainless steel screws and other accessories to fix
each component to ensure the firmness and stability of the assembly.
In the assembly process, special attention is paid to the fit between the components, such as the tightness between the barrel
cover and the barrel body, the flexibility of the pedal, and the stability of the base. For the inner barrel of the trash can, we use
high-quality galvanized thin iron sheets or plastic materials, which are light in weight, easy to take out and clean, and have good
corrosion resistance. After assembly, the workers will conduct a preliminary inspection of the finished product, check whether
the assembly is firm, whether the opening and closing of the barrel cover is smooth, and whether there are any defects, so as
to ensure that the product meets the basic use requirements.
8. Quality Inspection: Strict Control to Ensure Product Qualification
Quality inspection is the last line of defense to ensure the quality of steel trash cans outdoor. Our factory has established a
strict three-level quality inspection system: self-inspection by operators, mutual inspection between processes, and special
inspection by the quality inspection department, covering every link from raw materials to finished products. The quality
inspection team uses a variety of professional testing equipment, such as vernier calipers, coating thickness testers, salt spray
testers, impact testers, etc., to conduct comprehensive testing of the finished products.
The inspection contents include: dimensional accuracy of the product, firmness of the weld seam, adhesion of the surface
coating, corrosion resistance, impact resistance, load-bearing capacity, and flexibility of the pedal (if any). For example, the salt
spray test is used to detect the corrosion resistance of the product, ensuring that the product can withstand the erosion of rain
and humidity in the outdoor environment; the impact test is used to detect the impact resistance of the product, ensuring that
the product is not easy to deform or damage when subjected to external impact. Only the products that pass all the inspection
items can leave the factory, and the unqualified products will be reworked or scrapped to ensure that every steel trash can
outdoor delivered to the customer is of high quality.
9. Packaging and Warehousing: Safe Protection and Convenient
Transportation
After passing the quality inspection, the steel trash cans outdoor enter the packaging and warehousing process. Our factory
adopts scientific packaging methods to ensure that the products are not damaged during transportation. The packaging
process is as follows: first, wrap the surface of the product with a protective film to prevent scratches and damage to the
surface coating; then wrap it with vacuum bubbles to enhance the shock absorption and anti-collision performance; finally, put
it into a carton or plywood box for packaging, and mark the product model, specification, quantity and other information on
the packaging box to facilitate transportation and storage.
The packaged finished products are stored in a clean, dry and well-ventilated warehouse, which is classified and placed
according to the product model and specification to avoid collision and damage. Our factory has a complete logistics
distribution system, which can choose appropriate transportation methods according to customer needs, such as express
delivery, air transportation and sea transportation, ensuring that the products are delivered to the customer on time and safely.
The delivery time is usually 3-7 days for express delivery, 4-7 days for air transportation, and 20-40 days for sea transportation,
and the production time is 5-25 days after receiving the deposit, which can meet the different delivery needs of customers.
The production process of steel trash cans outdoor in our factory is a process of integrating precision, professionalism and
craftsmanship. From the strict selection of raw materials to the precise cutting, bending, welding, polishing, surface treatment,
assembly and quality inspection, each link embodies our pursuit of high quality. We adhere to the concept of "customer-
oriented, quality first", constantly optimize the production process, introduce advanced production equipment and
technology, and strive to provide customers with more durable, beautiful and practical steel trash cans outdoor. As a
professional steel trash cans outdoor factory, we have the ability to meet the customized needs of different customers, and
provide comprehensive after-sales service, including overseas technical support and one-year warranty, to create greater value
for customers with professional strength and sincere service.
FAQ
A1: Are you a factory?
A1: Yes, we are an OEM/ODM manufacturer specializing in Jiangsu province of China.
Feel free to visit our company at any time!
Q2:What is your MOQ?
A2: Any quantity is acceptable for your order. And the price is negotiable for large quantity.
Q3: How long is the warranty time?
A3: Our officially promised warranty time is one whole year after delivery, except the human damage and force factor.
Q4: How can we guarantee quality?
A4: Always a pre-production sample before mass production;Always final Inspection before shipment.
Q5: What's the packing?
A5: For LCD digital signage, we use thick foam lining and the goods are packed into strong plywood wooden boxes to
ensure safety for export delivery.
