Chapter 53: Crankshaft

　　 This is a test.
　　 Say everything is fake.
　　 Only genuine products are real.
　　 Especially under the eyelids of so many people, a slight flaw may be found.
　　 Especially for large diesel engines, the crankshaft is the most important component. As long as there is a little quality deviation, it is easy to be checked.
　　 Once the quality of the crankshaft fails, it means that the entire internal combustion engine can be scrapped.
　　Forced use may result in the destruction of the aircraft.
　　 This is something no one can afford.
　　 "Simple."
　　 "Wait a minute."
　　 Wang Buan smiled casually.
　　What is the difficulty of five-axis linkage? What I have is 10-axis linkage. It can be used to make Tang Sancai.
　　 How much strength is needed?
　　100 million tons of hydraulic press, repeated forging, enough to meet your needs.
　　 "Let's get started."
　　 Wang Bu'an quietly issued instructions.
　　 Robot Elf No. 1 immediately made a production deployment.
　　 No. 8 machine first produced hundreds of kilograms of hard alloy, and then hoisted it to the No. 5 workbench of the 100 million-ton hydraulic machine.
　　 Ten-axis linkage.
　　Billion tons of extrusion.
　　 The crankshaft is easily formed.
　　 There is no need for repeated forging. The strength of the squeeze is enough.
　　 Really need to use repeatedly forged crankshaft, at least it is also used by the 10,000-ton giant wheel. Its total power will certainly not be less than 20,000 horsepower.
　　 "Okay." Wang Buyan said.
　　 "So fast?" Liang Penghai was shocked.
　　 Wang Bu'an smiled and said nothing.
　　What's this? Your request is too low.
　　What you are asking for is the crankshaft of the internal combustion engine, not the main shaft of the propulsion of Hang Ma, nor the nuclear reactor...
　　 To be honest, the strength of this main shaft is enough for an internal combustion engine to last for eight hundred years.
　　 Even eight thousand years. Unless there is external damage.
　　 Of course, there is no need to say these words. So as not to scare Liang Penghai.
　　 "How many tons of this thing are you?" Liang Penghai became interested in hydraulic presses.
　　 "Thirty thousand tons." Wang Buyan said lightly.
　　 "So big?"
　　 "What do you mean?"
　　 Liang Penghai nodded heavily.
　　 It is no wonder that Wang Bu'an is so calm. Dare to have a 30,000-ton hydraulic press!
　　Also, using a 30,000-ton hydraulic press to squeeze an internal combustion engine crankshaft is absolutely sufficient. Just don’t know the cost? I feel that a 30,000-ton hydraulic press can be used to make a hundred crankshafts at the cost of a single start. Strangely, it seems that no wires are seen...
　　 It stands to reason that for such a powerful hydraulic machine, the surrounding cables should at least be dense.
　　 The 80,000-ton die forging hydraulic press of China Erzhong is the largest hydraulic press in the world. He visited and learned about it. That's a real Big Mac! Once started, the consumption is huge.
　　 Except for those very large parts, ordinary small parts are really unusable. The gain is not worth the loss.
　　 die forging presses are mainly used to manufacture high-strength titanium/aluminum alloy forgings in aerospace, aerospace, nuclear power, petrochemical and other fields. Such as the titanium/aluminum alloy body frame, landing gear, and engine turbine disk of the American F15, F16, F22, and F35 fighters; the titanium alloy landing structure of the American Boeing 747-787 passenger aircraft; the Russian Su-27, Su-33, T- The titanium alloy structural parts of the 50 fighter jets; the titanium alloy structural parts of the European Airbus A320-380 passenger aircraft; the 1.2-meter diameter turbine disk of the Ukrainian GT25000 naval gas turbine, etc., all need to be forged with a giant press.
　　The main landing gear transmission beam of the American Boeing 747 passenger aircraft is made of TI-6Al-4V titanium alloy. The forging is 6.20 meters long, 0.95 meters wide, has a projection area of ​​4.06 square meters, and weighs 1545 kg. The rear fuselage engine compartment of the American F-22 fighter uses Ti-6Al-4V integral bulkhead closed die forgings. It is 3.8 meters long, 1.7 meters wide, has a projection area of ​​5.16 square meters, and weighs 1590 kg. It is made by Wiman Gordon. The company uses a 45,000-ton die forging press to manufacture. The closed die forging of the integral bulkhead of the middle fuselage of the F-22 fighter, with a projected area of ​​5.67 square meters, is by far the world's largest integral bulkhead forging of titanium alloy for aviation.
　　 No matter how I look at it, I feel that the 30,000 hydraulic press in front of me is very mysterious.
　　 At present, the only countries in the world with die forging presses above 40,000 tons are China, the United States, Russia and France. There is no fifth one.
　　 In other words, a 30,000-ton hydraulic press can almost rank among the top ten in the world.
　　Where did Wang Bu'an get it from?
　　 "Shall we continue?"
"continue."
　　 The crankshaft is done, it's the camshaft's turn.
　　Camshaft is an important part of piston engine. Its function is to control the opening and closing of the valve.
Although the speed of the camshaft in a four-stroke engine is half that of the crankshaft (the speed of the camshaft in a two-stroke engine is the same as that of the crankshaft), its speed is usually still very high and it needs to withstand a large torque. Camshafts require high strength and support, and their materials are generally high-quality alloy steel or alloy steel.
　　 Since the valve motion law is related to the power and operating characteristics of an engine, the camshaft design occupies a very important position in the engine design process.
　　 The camshaft is also irregular, and high-end CNC five-axis linkage machine tools are also required for processing.
　　 At the same time, we must find a way to ensure its strength and flexibility.
　　 No. 8 machine produces high-temperature corrosion-resistant alloys.
　　 Hoisting to 100 million tons hydraulic press.
　　 Ten-axis linkage extrusion.
　　The camshaft is formed at one time.
　　 Its surface is so smooth that even the polishing step can be omitted.
　　 "So fast?" Liang Penghai felt incredible.
　　 "Normal speed." Wang Bu'an said lightly.
　　 Is it fast?
　　 doesn't feel fast at all.
　　Actually, there are sixteen workbenches in the 100 million-ton hydraulic press, and fifteen of them can be linked with ten axes.
　　 In other words, 15 camshafts can be squeezed simultaneously. Unfortunately, Liang Penghai does not need so many camshafts. Otherwise, within a few minutes, you can give him a lot.
　　 Next is the flywheel and impeller.
　　 These are small parts. But the processing difficulty is also not small.
　　 Because their thickness is limited. Some must be very thin. This requires the strength and toughness of the raw materials to be very good.
　　 In addition, when it runs at high speed, the temperature is extremely high. Must be resistant to high temperature and corrosion.
　　Of course, these are trivial matters for high-temperature corrosion-resistant alloys.
　　 1,800 tons of heavy pressure, 180 tons of centrifugal force, 1800 degrees of high temperature, more than enough.
　　The eight workbenches of the billion-ton hydraulic press are extruded together, four impellers, four flywheels, and one-time forming. It took less than thirty seconds.
　　 "Can the quality reach the standard so fast?" Liang Peng Haiqing couldn't help but doubt.
　　 "I don't know." Wang Buyan said lazily.
"Ok?"
　　 "Check it yourself."
"Oh."
　　 Liang Penghai wanted to speak but stopped.
　　 He felt Wang Bu'an's behavior was weird. It's not like a business person at all!
　　 Those who do business are anxious for customers to come to their door, and want to brag about their products desperately. If your product can achieve five points, at least eight points. If there are eight points, then it is absolutely necessary to blow ten points, which is 100% perfect. But, Wang Bu'an, it doesn't seem to matter at all? Do you like it or not, like to buy it or not.
　　 Is this the self-confidence in your products? Or do you think that Liang Penghai is too insightful?
　　 However, what Wang Buyan said in the last sentence is not wrong.
　　 Witnessing it may not be true. Only machine inspection data are convincing.
　　 "Are there any specific parameters?" Liang Penghai asked.
　　 "It will definitely meet your requirements." Wang Bu'an said lightly.
　　 "Can I check it myself?"
　　 "Yes."
"it is good."
　　 Liang Penghai beckoned.
　　 Someone immediately took away the crankshaft for industrial inspection.
　　 Although I witnessed the production process of the crankshaft with my own eyes, the real data still depends on cruel testing. Only data can convince people.
　　 "Mr. Wang, I invite you to dinner." Liang Penghai said.
　　 "Okay." Wang Bu'an did not refuse.
　　 "What do you think of Hilton?"
　　 "Yes."
　　 Wang Bu'an has no objection.
　　The group went to the Hilton Hotel.
　　 As soon as he got off the car, Wang Buan saw a familiar figure.
　　Chen Binghong.
　　 She was there.
　　 She also sensed the existence of Wang Buyan.
　　 "Boss Liang, I have a friend here. Don't mind adding a pair of chopsticks." Wang Bu'an said.
　　 "Of course I don't mind. Can't ask for it!" Liang Penghai said with a smile. UU Reading www.uukahnshu.com
　　 Wang Buan quickly came to Chen Binghong's side.
　　 Chen Binghong looked at him suspiciously.
　　 "What are you doing here?" Wang Bu'an asked.
　　 "Wait for someone!" Chen Binghong said with frowning.
　　 "I invite you to dinner, do you have time?"
　　 "Did you invite me to dinner? Or borrow flowers to present Buddha to invite me to dinner?"
　　 "Is there a difference?"
　　 "If you asked me, I would definitely agree to it. If it's borrowing flowers to offer Buddha, then it will be exempted."
　　 "Okay. I have something to ask you."
　　 "Really?"
　　 "Really."
　　 Wang Bu'an said very seriously.
　　 He really wanted Chen Binghong. Mainly to get a company structure or something.
　　 Now he feels empty-handed and no helper. There is no office space. Customers came to the door, not even a receptionist. Everyone can only speak in the waste grass.
　　 He does not need a very large, very formal company. It's just a small company.
　　 Able to receive customers. Ability to contact customers. Able to respond to customer needs.
　　 can contact the logistics company for delivery. Able to receive money.
　　 In the biological chain of the manufacturing industry, he belongs to the upstream and requires the cooperation of downstream manufacturers.
　　 After two weeks of hard work with the Zunchi electric car, Wang Bu'an secretly vowed that he would never make a terminal product.
　　 I only sell raw materials, only sell technology, and stand behind others.
　　 Centerlite Metal Equipment Co., Ltd. is a very good empty shell. The problem is that Gu Xialiu's actions are not so fast.
　　 "I'm sorry. My friend is here." Chen Binghong said with a smile.
　　 "Oh." Wang Buyan glanced back.