Super military empire

For many technicians now, this is not an easy task.

Pure tungsten is originally a difficult-to-machine material, wear-resistant, and high in hardness. It is used to produce various tools. It is not an easy task to use tungsten alloy to process this difficult-to-cut material, even Liu Yijiu The formula I made, the ys8 tool, is only used for rough machining, and the finishing effect is not very satisfactory.

Only by getting the big tungsten crucible out, the next more advanced nano-level powder metallurgy tools can be studied.

For a long time, only the U.S. Emperor and Little Devils were able to produce ultra-fine powder metallurgy.The Republic’s technology is poor in this regard, even if it has obtained the process formula, it is impossible to reverse the research to infer the process.

Therefore, after understanding the situation, Yu Jianguo and the other two eighth-level lathes had very serious faces.

"There is no problem with the clamping method. It can be solved by finding a way. The cutting tool is the biggest problem. We can only groping for this kind of large tungsten crucible. It is impossible to propose one from the beginning. Reasonable craftsmanship!" Yu Jianguo shook his head. There were a lot of silver-white scraps inside the warehouse, which looked very smooth on the outside. If it could be sintered and formed without processing.

However, the deformation of several millimeters, as well as the very heavy large dock crucible, which is not processed, is also very important for the subsequent production of products.

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

Without processing, this is impossible.

Unless the deformation can be controlled from the sintering process, the entire deformation should not exceed one millimeter.The thinner the compact, the greater the sintering deformation.

"Under the current situation of tools, ys8 is the best solution. Otherwise, use nano-level powder sintering. Cubic boron nitride and tungsten carbide are not suitable for pure tungsten processing!" Liu Yijiu is not I intend to let them waste too much time on experimental tool materials."Even for cubic boron nitride ceramic tools, this must be nano-level. Tungsten carbide is only a few filaments thick coating. At present, we have not solved the production process problem. Imported from abroad, everyone, do you think Is it appropriate? This is military production!"

One of the most important principles in military production is to produce by yourself.

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

I am afraid that in the event of a war, the international supply will be interrupted, and the entire production will be a problem. The protracted war will fight the production potential.

You can’t make your own knives, and you can’t make everything.During the Anti-Japanese War, the Republic could not produce equipment, so it could only rely on human lives, holding a big blade to fight the little devil carrying guns, and exchanging human lives for the little devil’s equipment.

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

Liu Yijiu's words made everyone sad.

They know that even if the production quality is lower and the production efficiency is lower, they cannot have their own tool production capacity.

"Workers must first sharpen their tools if they want to do their jobs well. This is not wrong, but in the military industry, we cannot use this as an excuse." Zheng Hao also reminded everyone.

For those who have always been bullish, and for him who doesn't understand technology, it is not an easy task to educate him.

But Liu Yijiu is different. Liu Yijiu knows technology himself or he knows technology very well. He is very curious. Didn't this kid go to college?How can even the theory of operation be learned in the university?

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

"The leadership lesson is. Difficulties are not a big deal for us. Since there are only ys8 tools, then let's work hard on this and explore the most reasonable three elements of cutting." Yu Jianguo knew, and here again The above nonsense, Liu Yijiu will definitely get angry.

In the past, there were no good tools for producing missiles or something. After only cutting and processing, fitters repaired the files by hand and produced the first long-range missile. The first satellite was produced in the same way.

"Director Liu, the problem of processing technology, the first is that the outer circle and the bottom must be processed. At this point, I think we can consider designing a special tooling. When entering the entire inner hole, when there is no clamping, the tooling Install it inside 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 tailstock.” Eighth-level engineer Wang Lufeng started to keep talking when other people were communicating. Draw a simple force diagram for analysis on the little book I carry with me.

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

The skilled workers in the Ninth Hospital Base are different from those outside.

They have enough time to study various theories and learn various related knowledge in each district.Lathe workers, who have reached level five or above, have to start involving knowledge of materials, machinery, hydraulics, and even electronics. This is impossible in the production workshop.To upgrade, just conduct 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 profession carefully, they are all top-notch masters, much higher than ordinary masters of the same level outside.They not only have rich operating experience, but also their theoretical knowledge is comparable to those of the senior skilled workers in other units that must 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 thoughts.

Wang Lufeng nodded. Liu Yijiu brought this habit to the base.

Every time there is a technical discussion, if the relevant personnel feel that their plan is the most suitable if they have a dispute, then they should be brought together, let the managers listen, and watch them draw a fight on the blackboard.

If you want to prove that your plan works and others have problems, you have to find out the flaws in other people's plans in front of everyone.

At the beginning, everyone didn't find the problem, but after constant revisions later, they found that the various solutions have become very perfect after everyone's discussion. In this way, they are not tired of this kind of thing.

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

What's more, there are more than 20 top players in the second district. Those with more wolves and less meat are not very suitable at all.

Wang Lufeng nodded, did not speak, walked to the blackboard on the side of the conference room, picked up the chalk with only the leader on it, and began to draw sketches on the blackboard.

Soon, a simple tooling design drawing appeared.

"According to the difficulties we have encountered so far, with the same type of parts in the base last time, Master Xiao Liu proposed the solution process, we can completely do this. The inner wall extends the support point. The solid bar in the middle, or use Thick-walled pipe, which bears the weight of the entire part... The surrounding circle of support rods are designed to be adjustable, and the degree of adjustment is designed according to the range of deformation. In this way, it is not only the mouth wall It’s more powerful, and can be designed according to different thicknesses..."

"Lao Huang, you are not reliable. If so, dozens of supporting points are used to distribute the weight, which is no problem." The lathe has designed the tooling himself, and the fitter can be comfortable?Tooling, this is their business, Wang Lufeng is simply grabbing his job!As the only ninth-level turner who was mobilized, Wu Delin naturally quit.

Immediately stepped forward, drew a cross-sectional sketch of the crucible on Wang Lufeng's tooling drawing, and marked the stress.

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

"Yeah, so an adjustable support rod is used. The cutting force generated during external machining, plus the torque generated when the part rotates, and the constant shift of the center of gravity will cause the entire part to slip on the tooling..." Wu Delin simply said Draw a more detailed picture of the stress situation.

The center of gravity is unstable, and when it rotates, a huge torque will be generated because of this. The entire workpiece is more than seven hundred and close to eight kilograms!

"According to the circumference of the outer circle, π times the diameter, 718 mm times the circumference 3.14, the circumference is more than two meters, the ys8 tool can withstand a linear speed not exceeding 120 meters per minute, and the limit speed of the entire rotation speed will not exceed Forty-five meters per minute. Moreover, under the current conditions, to ensure the durability of the tool, the entire speed can only be no more than 25 revolutions per minute, and the torque is reduced accordingly..." Wang Lufeng is not very worried about Wu Delin's picky behavior.

This understanding of the situation from here from here and finally carried out continuous deduction in my heart.

Various data also have a general data.

"This is not bad, but the point on this top touches the inner hole of the workpiece, and it is only a point. This will not affect it well. We can weld a piece of soft material to increase the contact surface on it..." Another eighth-level lathe worker Xiao The military felt that Wang Lufeng's plan was very good, the only thing was that there were some mistakes in this contact.

"Surface contact cannot be used, the deformation inside is uneven, and the safety factor of point contact will be much higher. This is not afraid of topping the inner hole, the back will still be processed. The hardness of the material we use cannot be too high, otherwise it will partially top crack……"