Liu Lan also clapped her hands vigorously. Two kilograms of food stamps were enough for their family to have a meal.

What's more, they, the kitchen staff, can also take part in the meal, so they have three meals a day, making a lot of money.

"Okay, let's get started."

"Good days are waiting for us behind."

The director waved his hands, everyone nodded and smiled, and continued busy.

The next day, the first branch factory had allocated a workshop and mobilized capable personnel to produce tricycle accessories.

At noon, people from the main factory entered the workshop and instructed the workers to start arranging the machines.

In the afternoon, Yang Xiaotao personally led people to deliver the two semi-automatic milling machines to the first branch factory. Then he visited the first branch factory under the leadership of Sun Guo, and each machine was intensively debugged.

On Monday, Yang Xiaotao sent Ran Qiuye and Duanwu away and drove to the first branch factory.

Under the full auspices of the Machinery Factory Headquarters, machines are given to people, and there is no shortage of materials. All that is needed is hands-on instruction.

This is much more convenient than the second branch factory.

With such support, the first branch factory, with the efforts of Sun Guo and deputy director Tian Hui, selected workers who have initially mastered the machine operation methods.

The remaining people are also working hard to complete the original order tasks, so as to free up more labor force to join the production of tricycles.

The workshop has begun trial production of simple parts, which can be made by experienced workers as long as they have drawings.

What's more, there are people sent from the main factory to give guidance, which makes the work of the first branch factory go more smoothly.

After the first branch factory got on the right track, Yang Xiaotao returned to the machinery factory. Now the machinery factory is very busy, and he can't sit in the office. He either solves problems in the workshop, demonstrates by himself, or supervises product quality.

On Thursday, less than a week before the end of the month, Pang Guo found Yang Xiaotao with a pair of panda eyes.

During this time, he took the personnel from the R&D department and technicians from Quancheng to focus on engine manufacturing.

Although there are complete sets of drawings, the personnel in the R&D department are also familiar with Yang Xiaotao's habits, and the components are manufactured step by step.

As the parts are being completed one by one, and when things are going smoothly, just as they are about to be assembled and the task is completed, problems arise.

In the past, when there were only one or two cylinders, the requirements for production technology were not high. This is why skilled workers in the workshop can mass-produce after special training.

But now, they are facing a heavy-duty diesel engine with eight cylinders and eight sets of equipment.

The design parameters given by Yang Xiaotao are for a heavy-duty diesel engine.

Previously, they manufactured the engine based on their experience in producing twin-cylinder engines, but half way through the production, they discovered that after assembling the components in this way, they would not meet the requirements on the design drawings, or even half of them.

"Mr. Yang, there is some trouble in engine production."

Pang Guo was not polite and spoke directly after entering.

Yang Xiaotao put down the Japanese dictionary in his hand and memorized it recently. As long as he remembered the meaning, it would be easier to read.

Standing up, "What's the trouble?"

As he walked out, Pang Guo hurriedly followed, explaining behind him, "We can make it according to the design drawings you gave. However, the performance parameters of the engine may not meet the design requirements."

"Why?"

"Material issues."

"With the current materials, we have no problem using them to produce two-cylinder diesel engines, but now it is difficult for ordinary materials to withstand the production of eight-cylinder heavy-duty diesel engines."

"Just like the casting of the shell, we use cast iron and it is made by a stamping machine."

"According to the design requirements, a thickness of 150 mm is needed to maintain stability. In this way, the weight is very heavy and the heat dissipation is very slow, which is not conducive to long-term work."

"There is also the design of the cylinder. We increased the cylinder volume to obtain higher pressure, but during the test, we found that the increase in cylinder pressure had a great impact on the cylinder body, and over time there was a hidden danger of cylinder explosion.

"

"Especially the piston, if it works in a high-pressure and high-temperature environment for a long time, it will wear out quickly..."

Pang Guo explained the difficulties he encountered little by little. Yang Xiaotao listened carefully and understood that this was the reason why many good designs could be produced but not completed.

This is true for diesel engines, and it is also true for aviation engines.
Chapter completed!