God-level industrial master

Chapter 355

There was no such equipment during the day, but it was there early in the morning. Yes, it must have been transported overnight last night.This is a very advanced large-scale welding equipment, which can weld large parts with a length of three to 40 meters, such as the underframe of the subway, beams, car bodies and so on.

In the morning, these devices were unpacked and transported to the factory building for installation. In this way, the last few important devices also entered the installation stage and were put into use, just around the corner!
In the Hedong factory area, that is, in the Jiuzhou Electric Branch, some parts related to the subway have already begun to be manufactured, such as IGBT products needed by the subway, various motors needed, electrical components needed, and so on.

In the production site of traction motors, in addition to Shaoshan series traction motors and DJ4 traction motors, several new members have been added, they are subway traction motors.

The first subway trial-produced by Jiuzhou Subway Branch is A-type car, which will also be the most used model in China in the future.

Future urban subways in China are generally divided into three types, namely A, B, and C. Among them, type A is the most, because this type of type has a large transportation capacity and is very suitable for large cities with large populations, such as deep sea. city.

Tang Fei not only knows that the mainstream of domestic urban subways in the future will be A-type cars, but also knows that in history, Shenhai City also basically uses A-type cars, with 6 or 8 car formations.

Since the mainstream in the future is the A-type car, the first trial-produced subway of Jiuzhou Metro is also the A-type car. It may consider making the B-type car in the future, but at the beginning, it is still the first choice to manufacture the A-type car.

The traction motor of Model A is being trial-manufactured at the production site.Like electric locomotives, subways are also powered by traction motors.

The traction system provides the required power and braking force for the train, and is used to control the operation of the train motor. It is composed of high-speed switches, main circuits, converter equipment and its control unit, braking resistors and other components.

In Jiuzhou Electric, not only the first subway traction motor has been trial-produced, but also the entire traction system has been trial-produced, including high-speed switches, main circuits, converters and their control units, braking resistors, etc.

The traction system of DJ4 almost includes these things. Jiuzhou Electric has the experience of successfully manufacturing DJ4 traction system, and has a certain foundation and accumulation.

In addition, the complete set of technical information produced by the system is very detailed. According to the technical information, everyone started trial production step by step, and the progress is not bad.

In the Hedong factory, the trial production of the traction system and the subway control system has already started. In the Hexi factory, the installation of equipment has also come to an end.

Especially in the machining workshop, the installation and commissioning of equipment is basically completed, and the machining of some parts can be started.

Tang Fei went to the Hexi factory, which is the Jiuzhou Subway Branch.

Ma Jianwei said happily: "Boss, everything is ready, I will take you to the production site to see the production of some of our parts."

According to the plan, the production and manufacturing will start this morning, first of all, the processing of some aluminum alloy parts, such as cutting, blanking, milling and so on.

These belong to the preliminary process. After these aluminum alloy parts are processed, many will be sent to the welding workshop for a series of welding to become individual parts.

These processed parts will be sent to the spray shop for painting, and the parts that do not need to be painted will be sent to the subway's final assembly shop for final assembly.

Some early processing procedures can be started. Tang Fei knew this, and came here specially from the Hedong factory to see the production of the first batch of parts with his own eyes.

"Come on, let's go to the production site to take a look."

Tang Fei was in high spirits, and accompanied by Ma Jianwei, he walked into one of the factory buildings.This is a specialized mechanical processing plant with an area of ​​more than [-] square meters. Almost all production equipment has been installed and debugged, and the training of workers has also been completed. They are ready for work and production.

In addition to the workers in overalls, there are also quite a few technicians.This is the production of the first subway train.Even if there is detailed technical information, no one dares to be careless. Many technicians are on the production site to guide.

When Tang Fei came in, he had already seen many people busy, and various metal materials were already in place, most of which were various aluminum alloy plates and profiles, which were also the main materials for manufacturing subways.

A large water jet cutting machine has already started working. On the working platform, there is a large aluminum alloy plate, and the cutting machine is cutting.

Under high pressure, ordinary water has amazing power, and the thin water beams seem to be indestructible, just like cutting tofu, under the control of the numerical control program, the aluminum alloy sheet is cut into various desired shapes.

These cut plates will be welded and welded into components on the subway.The car body is also welded by aluminum alloy plates. Before welding, it needs to be cut into various shapes according to the process requirements, and then spliced ​​and welded together.

Ma Jianwei said: "Boss, look, the quality of the cut plate is really good."

Tang Fei also saw that when the workers took the cut plate off the cutting platform, Tang Fei saw a smooth and even cut, which represented good cutting quality.

There are several such water cutting machines in the entire production site, and they all started working one after another, cutting various aluminum alloy plates.

In the manufacture of subways, in addition to aluminum alloy plates, various aluminum alloy profiles are most used.There are also workers cutting materials.

On the machinery and equipment, the long aluminum alloy profiles are cut according to the process requirements to become the required length size for the next process.

For some plates or profiles that have been processed and need to be welded in the next process, the workers are already beveling to facilitate the next welding.

In addition to the cutting of plates and blanking of profiles, some machining equipment is also starting to work. For example, several large CNC milling machines are milling to process workpieces into required shapes and sizes.

The Jiuzhou Subway Branch has already started the preliminary processing of some parts. In the surrounding area, there are some machinery processing factories that are also processing parts for the subway. They mainly rely on the Red Star Factory or Jiuzhou Industrial Group for their survival.

Such as Sanyou Machinery Processing Co., Ltd.

Their main business is machining various parts for customers. There are two major customers, namely Jiuzhou Industrial Group and Hongxing Factory.

The machining of some general spare parts is generally handed over to some surrounding machining factories for processing, which can reduce management costs and make full use of the surrounding machining capacity.

Some general parts of Jiuzhou Subway Branch are processed in Sanyou Company.Tan Sanyou has a flexible mind. Seeing that the construction scale of Jiuzhou Subway is so large and the production will be a very advanced urban subway, he knows that this means that there will be a lot of business in the future.

As soon as he gritted his teeth, he bought several mechanical processing equipment, including a numerical control equipment, and recruited several workers, which raised his own strength to a higher level.

Last time, Jiuzhou Metro invited external bids and entrusted some general parts to outside suppliers for processing. Tan Sanyou got back a lot of business.

No, various processing is going on at the production site.Tan Sanyou even personally guarded the production site, afraid of the slightest quality problem.

He knew that according to the current progress, it is estimated that the first batch of goods will be sent to the Jiuzhou Subway Branch in two days.

In the surrounding area, there are many small machining enterprises like Sanyou Company, among them, as long as they have a little strength, they all receive the processing business from Jiuzhou Metro.

For some general parts, Jiuzhou Metro handed over almost all of them to these surrounding companies, and only processed some important and key parts.

In Jiuzhou Metro, all the preliminary processing procedures are proceeding in an orderly manner, and the progress is relatively smooth.A few days later, in the huge welding workshop, some spare parts waiting to be welded began to appear.

There are cut aluminum alloy sheets, as well as various profiles that have been blanked, and some are sent by surrounding suppliers.

in the office.

Ma Jianwei was happily reporting to Tang Fei, "Boss, it's unbelievable that our progress is so smooth, far beyond my expectations!"

Yeah, everything is going very well.

Logically speaking, when the trial production has just started, there will definitely be many various problems, but in Jiuzhou Metro, there are relatively few problems, especially in the process of trial production, there are almost no problems.

This is really beyond the expectations of many people, almost all the technicians are the same, everyone has made enough mental preparations, in case many technical problems are exposed during the trial production process, everyone will work overtime Add points, they must be resolved, so that the problem does not stay overnight.

Where do you think, there are almost no workmanship problems.

As long as the process parameters and process steps in the process data are strictly followed, there will definitely be no problems, and the quality of the processed workpieces or parts fully meets the requirements.

There were only a few small process problems, which were caused by workers who did not strictly follow the parameters and steps in the process information, which led to some problems.

Now, no one dares to pretend to be smart anymore. Everything is carried out according to the process parameters and process steps. There are fewer and fewer problems, and the trial production is getting smoother. The progress is much faster than expected.

Tang Fei knew that all these technical materials came from the system, even the process technical data. Can the things produced by the system be inferior?
Ma Jianwei said: "Boss, according to the current progress, our welding workshop will be busy within a week, and we can start welding some parts."

Tang Fei nodded, looking forward to this day.

……

Red Star Factory is very lively!

A brand-new electric locomotive, with big red flowers hanging on the front and red silk tied, is very festive. It is slowly driving out of the delivery workshop under the eyes of many people.

.........

Three more updates will continue today, and the first update will be delivered!

(End of this chapter)