I am farming in the real world.

Chapter 278 Revenge from Kawasaki Heavy Industries

Tesla engineers in the laboratory felt a chill down their spines.

The so-called 'laser level' is a tool that directs the laser beam emitted by a laser device into the telescope tube of the level so that it is emitted along the sighting axis, and determines the laser passability through the laser capture rate of the target to determine the level of the measured object.

This tool is widely used in construction engineering, mechanical processing, semiconductor integrated circuit manufacturing and other fields.

The laser level with a triangle support underneath, which is commonly used by civil engineers, is an entry-level surveying and mapping engineering instrument.

The level instrument used by Tesla engineers is an advanced upgraded version of this thing.

It was originally used to test the level tolerances of some mechanical and three-electric related components of Tesla cars. In terms of accuracy, it even skipped the decimeter level in the mechanical technician field and reached the micron level in the aviation industry.

After a laser scan, the cutting surface of any machine-processed object can be measured with high accuracy.

However, when such a micron-level laser level came into contact with the small bamboo dragonfly toy given by Chen Jue, it was like a drop in the ocean.

Just a light scan made all the engineers inside and outside the room staring at the data on the screen feel their scalps tingling!
"Johnson, what's going on?"

"Did you measure it?" Musk also noticed that the atmosphere around him was not right, and hurriedly pulled over an engineer supervisor next to him and asked.

Johnson shook his head and smiled bitterly: "Boss! The measurement must have failed. Even if the testing equipment in our laboratory is adjusted to the highest precision, it cannot capture the surface grinding condition of this toy."

"If it is micron-level precision machining, the laser loss rate on the target cannot be zero. Because once the entire plane has uneven areas, or some small roughness, it will block part of the laser."

Listening to the explanation of the principle, Musk, who had just comforted himself that he had seen hope through material identification, also froze: "You mean, the processing technology of this little thing has reached a level higher than the micron level?"

Johnson nodded, and used his hands to indicate a gap in level that could accommodate half of his torso. "Yes, Boss. If there is nothing wrong with our measuring instrument, then its manufacturing process is much higher than our measurement accuracy!"

"Precision like this is called 'ultra-precision machining' in the field of mechanical processing, and the surface roughness alone is estimated to have reached the nanometer level."

Musk frowned when he heard this: "Can it reach the nanometer level simply by machining? Is there any place to measure it?"

Johnson continued, “Nano-level ultra-precision machining is the most advanced technology in every country. University laboratories specializing in mechanics, suppliers of top machine tools, and semiconductor companies should all have matching measuring instruments and professionals.”

When Musk heard that there was a chance, his eyes immediately lit up and he asked his secretary to find Tesla's cooperative suppliers.

From Qualcomm, the manufacturer of automotive chips, to the partner of automated robotic equipment in Tesla's factory, Musk finally found the small company Kawasaki Heavy Industries, Ltd. through his connections.

Of course, the reason why Musk did not start with those famous universities in Shanghai is because he couldn’t afford to lose face!
In order to measure a small toy made by a Chinese company, not only did they mobilize the entire Tesla factory, but they also had to look for a local Chinese university. Isn't that asking for trouble?
In addition, America has been considering itself the daddy of the little book for nearly a century.

If daddy has something wrong, shouldn’t his son help him to show his filial piety?
So that afternoon, Musk took the bamboo dragonfly toy, boarded a business jet and landed at Tokyo International Airport.

……

1-14-5 Kaigan, Minato-ku, Tokyo, is the headquarters of Kawasaki Heavy Industries, Ltd.

When talking about the Kawasaki brand, most people think of its high-performance motorcycles.

In fact, as a company that started in the Meiji Restoration era, from shipbuilding heavy industry to railway vehicles, construction heavy machinery, electric bicycles, and aerospace, Kawasaki Heavy Industries can be said to have dominated Japan's industry and witnessed the development of industrial technology around the world.

Take Huazhong as an example. The Harmony CRH2 electric multiple units currently running across the country are the predecessors of the Shinkansen train technology provided by Kawasaki, which was then localized by CRRC Corporation Limited.

For example, the world’s first industrial robot in 1969 was developed and manufactured by Kawasaki Heavy Industries.

That year also marked the beginning of commercial mass production of industrial robots.

Before Chen Jue took out the "Magic Cube Arm", a heaven-defying MC-technical mechanical arm, commercial industrial robots had always been Kawasaki Heavy Industries' strength. So, when they learned that Musk, a distinguished guest from Daddy Country, was stumped by a small metal gadget thrown out by the Magic Cube Group, they were shocked.

Kawasaki Heavy Industries took the initiative to step forward without saying a word, intending to avenge the loss of their project at the World Robot Conference!
"Mr. Musk, please rest assured! We at Kawasaki Heavy Industries have been engaged in ultra-precision machining technology for many years."

"Not to mention that compared with the world's top German Körber and Gildemeister Group, it is also a high-tech Japanese company at the same level as Mitsubishi Heavy Industries!" Kawasaki Heavy Industries' current president Yoshitaka Kaneka nodded and bowed.

"Kawasaki Heavy Industries has always been a close partner of Tesla. The industrial robots provided by your company are very advanced! I'd like to ask President Jinhua to take care of me for the privilege of coming here this time!" As Musk listened to the introduction and took a look at Kawasaki's ultra-precision laboratory, he instantly felt more confident.

Being able to compete with Mitsubishi Heavy Industries, it is evident that this small company is indeed a world-class mechanical processing enterprise.

After all, during the Cold War between the United States and the Soviet Union, Mitsubishi secretly sold several ultra-precision grinding machines to the former Soviet Union, which immediately improved the quietness of the Soviet nuclear submarines, known as "underwater tractors", by several levels.

By analogy, with such technical background, wouldn't it be easy for Kawasaki Heavy Industries to inspect a small metal toy?
Sure enough, when Musk handed the bamboo helicopter to the technicians of Kawasaki Heavy Industries.

A row of red warning lights were lit outside a closed experimental workshop on site, warning no one to enter.

The unique sense of ritual of the little notebook that came towards him made Musk's eyes light up!
This is much more impressive than the laboratory at the Tesla factory in Shanghai.

"President Jinhua, can't outsiders be allowed into this laboratory?" Musk asked.

Jin Hua Fanggang explained: "Mr. Musk, nano-level ultra-precision processing involves a lot of environmental factors! The humidity, temperature, and airflow changes that are well known to outsiders are only secondary. The most important core interference factor is the subtle error interference caused by the geomagnetic field and the rotation of the earth, which was first discovered by our Neon Dongda Liangtian Zhongji in the 1960s!"

“After the publication of the relevant papers, breakthroughs in nanoscale ultra-precision machining began to be made around the world.”

"This strong anti-magnetic field interference laboratory in front of us is more strictly managed than the clean rooms of semiconductor and pharmaceutical companies, so Mr. Musk, please wait outside for a moment. It will not take long, and you will get the relevant measurement data results soon!"

After listening to Jin Hua Fanggang's analysis, Musk's worries along the way were finally greatly relieved.

After all, he started out in the mechanical field and has been working in this field for more than a century. He is much better than those incompetent engineers in the Tesla factory.

To quote a line from a movie: Hey! That’s called professionalism!
At the same time, in the experimental workshop of Kawasaki Heavy Industries.

Two notebook lathe masters wearing anti-magnetic and anti-static protective clothing are placing the metal bamboo dragonfly toy on a nano-scale "laser interferometer" to measure its size.

This is a universal length device that uses the Michelson interferometer system to measure displacement using the laser wavelength as a known length.

Most CNC machine tools are basically equipped with such a laser interferometer device, which is used to detect the straightness, verticality, pitch and yaw, flatness, parallelism, etc. of metal workpieces.

At first, when these two Kawasaki master craftsmen heard that the gadgets in their hands came from a private factory in a flower-growing country, there was a bit of disdain in their eyes.

The development of ultra-precision processing technology of Flower Grower is not outstanding in the industry.

In particular, most of those with technical backgrounds are large state-owned factories and some special R&D departments. The products that private factories can produce are at best of the precision used in commercial fields on the market.

However, when they turned on the laser interferometer and measured the small metal square on the top of the bamboo dragonfly in a very routine manner.

The long string of size suffix values ​​'0000000' displayed on the device made the two Kawasaki masters of the notebooks stare in amazement and exclaim!
"Nani?!"

“The side length is 100% the standard 10cm!”

"Accurate to 7 decimal places without any tolerance?"

"Nano-level grinding technology? Is this something that a private enterprise in China can make?"

(End of this chapter)