It is not an easy task for many technicians today. n∈n∈,.

Pure tungsten is originally a difficult-to-process material, with wear resistance and high hardness. It is used to produce various tools. It is not easy to use tungsten alloy to process such difficult-to-cut materials. Even the formula produced by Liu Yijiu, ys8 tool, is only used for rough processing, and the finishing effect is not very ideal.

Only by making the large tungsten crucible can the more advanced nano-scale powder metallurgical tools be studied.

For a long time, only the U.S. and the Japanese could do it. The Republic’s poor technology in this regard was that even if it obtained the process formula, it could not reversely study and infer the process.

Therefore, after understanding the situation, Yu Jianguo and the other two eight-level turning workers looked very serious.

"There is no problem with the clamping method. Thinking about some solutions can solve it. Cutting tools is the biggest problem. We can only explore and process this large tungsten crucible now. We cannot propose a reasonable process from the beginning!" Yu Jianguo shook his head, and a lot of silver-white scraps were placed in the warehouse. The outside looked very smooth. If we could not process it, it would be sintered and molded directly.

However, the deformation of several millimeters and the very heavy dock crucible, without processing, is also very important to the impact of the products produced later.

The deformation of the large dock crucible must be eliminated and the weight must be reduced. At the same time, the thickness should also have some minor impact on the local temperature in the entire high-temperature furnace.

It is impossible without processing.

Unless the deformation amount can be controlled during the sintering process, so that the entire deformation amount does not exceed one millimeter. The thinner the powder blank, the greater the sintering deformation amount.

"In the current situation of tools, ys8 is the best solution. Otherwise, use nano-level powder to sinter, cubic boron nitride, tungsten carbide. These tools are not suitable for pure tungsten processing!" Liu Yijiu did not intend to let them waste too much time on the experiment of tool materials. "Even ceramic tools with cubic boron nitride, this can only be nano-level. Tungsten carbide is only a coating with a few threads of thickness. At present, we have not solved the production process problem. Imported from abroad, do you think it is appropriate? This is military production!"

There is one of the most important principles for military production. It is to produce it yourself.

Even if the quality is worse, it is not a problem.

I am afraid that if international supply is interrupted during war, the entire production will be a problem. The protracted war will fight production potential.

I can't produce knives by myself, and I can't make anything, so why can't I fight? During the Anti-Japanese War, the Republic could not produce equipment, so I could only rely on human life. I took a big blade to fight with the Japanese carrying guns and cannons, and used human life to exchange for Japanese equipment.

On the Korean battlefield, the same is true. More than one-third of the weapons and ammunition in the Republic need to be seized on the battlefield!

Liu Yijiu's words made everyone sad.

They know that even if the production quality is worse and the production efficiency is lower, they cannot lack the production capacity of their own tools.

"If you want to do a good job, you must first sharpen your tools. There is nothing wrong with this, but in the military industry, we cannot use this as an excuse." Zheng Hao also reminded everyone.

For these people who have always been awesome and do not understand technology, it is not easy to educate them.

Liu Yijiu is different. Liu Yijiu understands technology and is still very knowledgeable. He is very curious. Didn’t this kid go to college? How could he learn even the theory of operation in college?

Even if I grew up in the base before, it was not easy to be proficient in turning, milling, and grinding techniques. How old was he when he left?

"What the leader taught is that difficulties are not a big deal for us. Since there is only ys8 knives, then let's work hard on this and explore the most reasonable three elements of cutting." Yu Jianguo knew that if he talked nonsense about this, Liu Yijiu would definitely get angry.

In the past, when I produced missiles or something, there were no good tools. After just cutting and processing, the fitter used his hand to repair the first long-range missile, and the first satellite was also produced in this way.

"Director Liu, the first thing to do with processing technology is that the outer circle and bottom must be processed. I think we can consider designing a special tooling. When entering the entire inner hole, install the tooling inside without clamping, and expand the contact area between the tooling and the inner hole. In this way, the weight is mainly on the tooling, not on the top of the tail seat." When the eighth-level worker Wang Lufeng started to constantly draw simple force drawings on the small notebook he carried with him for analysis.

Others did not propose a plan, not because they did not have the ability, but because they were also waiting for the opportunity.

The technical workers inside the Jiuyuan Base are different from those outside.

They have enough time to study various theories and learn various related knowledge in each partition. When the turning worker reaches level 5 or above, they have to start involving relevant materials, machinery, hydraulics and even electronics. Such a situation in the production workshop is impossible. To upgrade, just carry out targeted learning.

During the years in the mountains, everyone was too idle. If they didn't find something for themselves, they would go crazy.

As long as you study your own professionalism seriously, you will be top-notch masters, much higher than ordinary masters of the same level outside. Not only do they have rich operating experience, but their theoretical knowledge can be compared with those senior technical workers in other units that need to continue to produce.

"Tell me, there is a blackboard over there..." Liu Yijiu pointed to the production board next to him and asked Wang Lufeng to explain his ideas.

Wang Lufeng nodded. This habit was brought to the base by Liu Yijiu.

Every time there is a technical discussion, if the relevant personnel argue, they feel that their plan is the most appropriate, so they will gather them together and let the managers listen and watch them draw pictures on the blackboard to compete.

If you want to prove that your plan is successful, if you have problems with others, you must find out the flaws in other people's plan in front of everyone.

At the beginning, everyone found no problem. After constantly making modifications, they found that various plans became very perfect after discussions by everyone. In this way, they were happy with this kind of thing.

Unfortunately, there are too few technical research problems in the entire base that require workshop technical workers to participate in.

What's more, there are more than 20 top big shots in the second area, and it is not very suitable for those with more wolves and fewer meat.

Wang Lufeng nodded. Without saying a word, he walked to the blackboard on the side of the conference room, picked up the chalk with only the head on it, and began to draw sketches on the blackboard.

Soon, a simple work design drawing appeared.

"According to the difficulties we have encountered at present, and the solution process proposed by Master Xiao Liu last time, we can do this. On the inner wall, extend the support point, the solid rod in the middle, or a thick-walled tube. This is the weight of the entire part... The circle of support rods around it are designed to be adjustable, and the degree of adjustment can be designed based on the range of deformation estimates. In this way, there is no need to just be stressed on the mouth wall, but it can be designed according to different thicknesses..."

"Old Huang, you are not reliable. If this happens, you can use dozens of support points to distribute weight, and there is no problem." The turning worker designed the workman himself. Can the fitter be comfortable? The tooling mold. This is their business. Wang Lufeng is simply snatching his job! As the only nine-level turning worker who was mobilized, Wu Delin naturally quit.

Immediately walked forward and drew a sectional sketch of the crucible on Wang Lufeng's workwear drawings, and marked the stress.

"According to this design, the entire weight of the part is concentrated at these points, because the deformation during sintering will not be uniform..."

"Yes, so use an adjustable support rod. The cutting force generated during external circumference processing, coupled with the torque generated when the part rotates, and the continuous deviation of the center of gravity will cause the entire part to slip on the tooling..." Wu Delin simply drew out a more detailed diagram of the stress.

If the center of gravity is unstable, and when it rotates, it will generate a huge torque because of this. The entire workpiece is more than 700 and close to eight kilograms!

"According to the circumference of the outer circle, π multiplied by the diameter, 718 mm multiplied by the circumference 3.14, the circumference is more than two meters. The linear speed that the ys8 tool can withstand does not exceed 120 meters per minute, and the limit speed of the entire speed will not exceed 45 meters per minute. Moreover, under the current situation, to ensure the durability of the tool, the entire speed can only not exceed 25 revolutions per minute, and the torque will be reduced accordingly..." Wang Lufeng was not very worried about Wu Delin's provocation behavior.

This has been understanding the situation here and finally continued to deduce it in my mind.

There is also a general data for various data.

"This is not bad, but the pointed tip on this is only a point to contact the inner hole of the workpiece. This will not have a good impact. We can weld a piece of soft material to increase the contact surface..." Another eighth-level car worker, Xiao Jun, thought Wang Lufeng's plan was very good, the only thing was that there were some mistakes in contacting this point.

"You can't contact with the surface, the deformation inside is uneven, and the safety factor of point contact will be much higher. This is not a fear of damaging the inner hole, and the back will still be processed. The hardness of the material we use cannot be too high, otherwise it will crack locally..." (To be continued.)

PS: Many brothers who join the group do not have screenshots, and they don’t know whether to put them in the management or not. Please abide by the regulations. Of course, if you find it inconvenient, you can join the ordinary group 9512455 first. In this group, you can go backlight or water blue girl paper, and then apply to join the VIP group 494550065.

In addition, let’s talk about the update situation. Last night, in the VIP group, Yang YSL, the super Huang Shiren and Tianhai Xiangyun, forced a group of brothers to force Hulu, and Hulu had to humiliately promise to maintain the updates for three days and eight days. That is to say, from today to the day after tomorrow, 24 chapters of 72,000 words will be updated in three days. Although it was not said that it would definitely be updated for three thousand words, Hulu's character was not good at first, and he dared not reduce it to two thousand words. He would rather pay the debt slowly than pay it back!
Chapter completed!