Chaoshen Technology Trading Mall

Chapter 46: Xu Zhenming’s Thoughts

Xu Zhenming nodded. He is naturally very clear about the difficulty of processing high-precision screw rods, not to mention the screw rods processed with this special glass, so he said: “Yes, level 4 screws are 25 energy coins. One ton! As for screws with other grades of precision, how does Wang always price them?”

“Mr. Xu! The price of the second-level precision screw is ten per energy coin, and the price of the third-level screw is 100 per energy coin. I don’t know what Mr. Xu thinks?” Wang Bin asked.

“Okay! Just do what you said, Mr. Wang!” Xu Zhenming said.

Xu Zhenming didn’t care too much about the price of second-level and third-level screws. After all, third-level and second-level screw rods are high-end products, and they are destined to not use too many quantities, even if it is the second he needs. -level third-level screw, the consumption per month is no more than a hundred at most.

“Then Mr. Wang! For the fourth-level screw, give me a two-ton first, and at the same time, give me a thousand for the third-level screw, and a hundred for the second-level screw.” Xu Zhenming said.

Although the quantity ordered for second-level and third-level screws is not large, these quantities are enough for Xu Zhenming’s factory to use for about a year. After all, Xu Zhenming’s factory has just entered the machine tool production industry. , The annual output is not a lot.

“I don’t know Mr. Xu, in addition to the screw, you also need no other products, such as machine bed, machine spindle, machine bearing, etc. made of our glass? If necessary, I can also try Now, can we use our special glass to make these parts.” Wang Bin thought for a while and asked Xu Zhenming.

At the same time, the machine tool parts mentioned by Wang Bin are all very important parts for machine tools, and they are also parts that are not easy to manufacture. Let alone the other, let’s talk about the machine bed that seems to be the easiest to manufacture.

Generally speaking, the machine bed of various countries, including Wang Bin’s world and Xu Zhenming’s world, are basically made of gray iron.

After all, the machine bed seems to be cast only by gray iron, but in fact there are many requirements for the machine bed.

The first is the requirements for wear resistance and shock absorption. Because graphite in cast iron is good for lubrication and oil storage, it has good wear resistance. Similarly, due to the presence of graphite, gray cast iron has better shock absorption than steel.

Secondly, in terms of process performance requirements, gray cast iron has high carbon content and is close to eutectic composition, so it has a relatively low melting point, good fluidity, and small shrinkage, so it is suitable for casting complex structures or thin-walled castings. In addition, because graphite makes it easy to form chip breakage during cutting, the machinability of gray cast iron is better than that of steel.

Secondly, the hardness and tensile strength requirements.

However, these are all requirements of ordinary machine bed, and those high-precision machine tools are different. Generally, high-precision machine tools have very strict requirements in terms of stress, because stress has a huge impact on the accuracy of machine tools.

Therefore, under normal circumstances, high-precision machine tools will not use cast bed, but will adopt a more secure method, that is, use other materials instead of cast bed, such as granite bed.

After all, the precision of high-precision machine tools has very strict requirements. The precision is required to be at the micron level or even the nano level. However, the internal stress generated by the casting machine bed and the influence of the thermal expansion coefficient will definitely change its variables. More than ten microns, especially for medium and large machine tools.

When Wang Bin saw Xu Zhenming buying high-precision screw rods, it was obvious that he was going to produce high-precision machine tools and even machining centers in the 1980s and 90s when he was in the world, so they must also have a great need for machine tool bed materials.

The high-temperature-resistant special glass produced by Tiangong Technology itself is a special high-temperature resistant glass for aerospace and aviation. The internal stress requirements of the glass are very strict. At the same time, the heat and cold coefficient absolutely reaches the high-precision machine tool. For the requirements of the machine bed, coupled with the performance of the glass itself, it is absolutely feasible to manufacture the machine bed.

It’s just that the price of these glasses is too expensive compared to other materials. After all, the price of 15 energy coins per ton is equivalent to 15 million yuan per ton. What’s more, one set The weight required by the machine bed is no longer a mere ton that can be solved.

Small machine tools are okay, a few tons of glass is definitely enough, but those medium and large machine tools are not the same, this is a big guy with dozens of tons at every turn!

In the same way, machine tool spindles have very demanding requirements for these aspects, and their glass performance is absolutely capable, so now only see Xu Zhenming’s choice.

After listening to Wang Bin’s words, Xu Zhenming fell into thinking. Obviously, it is absolutely inappropriate to use these glass to make machine tool beds, etc., to make machine tools for sale. Let’s not say that in his age, it is as high as tens of millions or even several. Will someone buy a machine tool with a price of 100 million yuan? The problem of energy coins alone cannot be solved by money in reality.

Secondly, judging from the contact between him and Wang Bin during this period, Wang Bin and their Tiangong Technology glass production capacity is also very limited.

However, he also thought that since these glass-making machine tools cannot be used for sale, there is no problem in using them himself. After all, as a high-precision equipment manufacturing company, there is no end to the precision requirements of the equipment.

In the past, Xu Zhenming actually bought some high-precision machine tools in the science and technology mall. However, even in the science and technology mall, the zero-level late stage civilized area, the real high-precision machine tools or machining centers, are not sold by the merchants. Many, and the machine tools sold by these merchants are also very high.

Take third-level precision machine tools as an example. The general prices in the science and technology mall are more than one million energy coins, not to mention second-level and first-level machine tools. As for the price of truly ultra-high-precision CNC machine tools, it is even worse. Yes, the price of each machine is more than one billion energy coins, so if you don’t have energy coins, you can’t afford these high-precision machine tools.

Although Xu Zhenming had bought some machine tools from the Science and Technology Mall before, the machine tools he bought were only fifth-level and fourth-level precision machine tools. However, these fifth-level precision machine tools can be found in the mall. The price is as high as tens of thousands of energy coins.

Although these fifth-level precision machine tools are sufficient for their year, or for the domestic of that era.

But as a machine tool manufacturer, who doesn’t want higher precision machine tools, it’s better to have nano-level ultra-high precision machine tools all at once. After all, if they have higher precision machine tools, they will produce them themselves. The precision of the machine tool will also be greatly Ascension, so for the country of their time, it is definitely a great thing.

Now, for Xu Zhenming, the opportunity is right now. The screw problem in the ball screw has been solved before. If the machine bed, bearing, spindle and other problems are solved, then Xu Zhenming and his company will manufacture some high-precision machine tools for themselves. It’s not a problem.