40ft Container Flatbed Trailer for Sale

The application of container Flatbed semi trailer is widely used for 40ft container and bulk cargo transport, 

such as steel coils, steel sheets,gricultural products, various pallets and bagged cargo, etc. 

Usually inter-city transportation can be dustproof and rainproof after loading with tarpaulin and body tightening device.

Container terminals and bulk ro-ro terminals are usually equipped with flatbed semi-trailers for various dispatching operations. 40ft container flatbed trailer is a good for sale type.

Production Flow Chart of 40ft Container Flatbed Trailer

1. Flatbed Trailer Main Beam Cutting

(1）latbed trailer Middle plate punching

Pass the middle plate of main beam to the punching machine through the conveyor, through setting punching machine to make holes like the following picture. In order to install crossbeam later  

(2) Flatbed trailer Main beam welding

First step for main beam welding is to use artificial spot welding to make upper and lower plate fixed on the middle plate, then pass them to automatic submerged arc welding machine for the advanced mechanized welding. In this process, reinforcement plate and spray painting is also completed. In order to improve the corrosion resistance and bearing capacity of beam.

(3) Flatbed trailer Main beam correction, fixation and traction seat welding

The main beam must be straight, so correction is essential . After correction , need to weld some pillars between this two beam to make them fixed together.  This process is also accompanied by the welding of the traction seat welding 

The manufacturing process of 40 ft equipment trailer has the above characteristics, and the sale of 40 ft equipment trailer is one of the most popular models

2. Container Flatbed Trailer Frame Side beam, Crossbeam Bending

The side beam and the crossbeam need to be deal with bending, like the following photos, preparing for the next step and main beam assembly and welding. In the picture of side beams, there is a rectangular hole which is for the fence trailer and side wall trailer to install column, flat bed trailer is no need this structure.

3. Flatbed Trailer Main Beam, Crossbeam and Side Beam Assembly and Welding

The first step is to flip the main beam, then using the hydraulic cylinder device to extrude and fix main beam, crossbeam and side beam together, finally pass the frame into the turning frame in welding. Since skeleton trailer is no side beams, so just welding crossbeam to the main beam.

4. Flatbed Trailer for Sale Shot Blasting

Through conveyors to pass the welded frame to automatic shot blasting machine for rust treatment.

1), Clean up the surface of the trailer

Our trailer factory processes the steel into a predetermined shape, and the 40ft container flatbed trailer needs to be spliced with different thicknesses of steel to complete. Remove some uneven materials such as scale or sticky sand on the surface of the trailer by shot blasting.

2), Increase the strength of the trailer workpiece

The factory will continuously project the trailer workpiece at high speed and hit the surface of the workpiece continuously. Through this method, the structure of the workpiece can be modified to a certain extent, and then the strength of the container flatbed trailer workpiece can be improved.

3), Remove the rust of the flatbed trailer

The 40ft container flatbed trailer has a huge surface area, and there must be places and traces of rust. We will use professional equipment to smash the rust on the surface of the flatbed trailer with great force through high-speed beating. High-intensity blows can effectively clean up the rust attached to the surface, drive the entire flatbed trailer itself in all directions, and play a high-intensity rust removal effect.

5. Flatbed trailer Installation and welding suspension 

The whole process of 40FT Flatbed trailer Installation and welding suspension is very complicated and requires professional equipment and experienced workers to complete it. Here is a complete set of process flow, if you are interested, you can visit our trailer factory, there will be a perfect presentation.

6. 40ft container flatbed trailer Bottom plate welding

In the first step, put the bottom plate on the frame through lifting equipment, and then the bottom plate is fixed by the artificial spot welding. Last, using the plate automation welding machine for accurate welding. Since there is no bottom plate for skeleton trailer, so this process is no needed.The 40-foot container flatbed trailer is not big or small, but the overall weight is not light.

7. 40ft flatbed trailer for sale Cleaning

Wipe all parts of the flatbed trailer to prepare for spraying painting. The wiped and cleaned 40ft flatbed trailer surface is very smooth and free of burrs. Next, the whole trailer is painted to make the paint surface smooth and smooth. Intuitively, it reflects the texture.

8. 40ft container flatbed trailer spray painting process

The 40ft container flatbed trailer is small, but the entire surface area is huge. To complete the surface painting, a professional painting room is required to meet the painting effect and the government's environmental protection requirements. Workshop has two spray paint room, the primer and topcoat twice paint processing and using advanced polyurethane paint to ensure the vehicle super anti-corrosion ability. 

9. Container flatbed trailer Axle and tire installation

Using lifting equipment to lift the vehicle, remove the old axle and tire , and installing already assembled new axle and tyres.

10. Container flatbed trailer Electric circuit installation

Container Flatbed trailer power system

Battery powered, equipped with a special charger to charge the battery, the charging time does not exceed 8 hours, and a full charge can be used for 2 to 3 days (the 24-hour usage rate does not exceed 30%). The flat car drive motor is a dedicated high-quality drive motor. The battery can be repeatedly charged for no less than 800 times, the battery capacity is no less than 330AH (24 pieces), and the driving mode is reasonably designed to ensure that the vehicle has good overload resistance and excellent constant speed performance.

Container Flatbed trailer Electric Control System

The on-board control box is located on the side of the flat car and is installed in a recessed way. The main electrical components of the control box are made of high-quality products, the box body is made of steel plate, beautiful and practical, the surface is sprayed with anti-corrosion treatment, the thickness of the box plate is not less than 2 mm, there is a good heat dissipation device, the door lock is firm and reliable, easy to use, no interference .

All electrical components are firmly installed on the vehicle and run without loosening; the wiring in the frame is piped, and the pipe and the frame are fastened with pipe clamps; the bending radius of the threading pipe is not less than 1.5 times the diameter of the pipe; there is no joint for the wire in the pipe; Use copper core rubber insulated wire; the temperature rise of the motor and other components does not exceed 60 ℃.

The electric drive system has the functions of overcurrent, overload and short circuit protection, and the flat car starts, runs and stops smoothly.

All power supplies must be reliably grounded, and the grounding wire must be clearly marked.

11. Container flatbed semi trailer Toolbox, twist locks, protective guard and accessories assembly.

We supply Flatbed Trailer for Sale. Before each Flatbed semi Trailer leaves the factory, we will go through the above process. Our Flatbed semi Trailer distributors tend to think a little more about price, but we think about a lot more. We, the manufacturer Flatbed semi Trailer for sale, want to consider damage resistance and reduce maintenance costs for our end users. This will also greatly increase the competitive advantage of our Flatbed semi Trailer distributor.

Technical Specification of 20ft 40ft 45ft Flatbed Trailer

If you are a container flatbed trailer agent, purchasing container trailers for sale, we will be your best supplier.