Chapter 34 Hidden Technological Feedback

Just then, the office door deep inside the workshop opened.

Wang Bin walked out, draped in a military overcoat.

He looked a bit exhausted.

After the launch of red star no. 2, all sorts of data still needed to be processed and archived.

Seeing the confrontation over here, Wang Bin frowned:

"Old Chen, what's going on?"

"Director, you've come at just the right time."

Master Chen pointed at the aluminum mold,

"These kids want to use an aluminum mold for injection molding!"

"Isn't that just ruining the machine?"

"I don't dare to start it."

Wang Bin's gaze fell on Lin Xi.

Then, he calmly swept his eyes over Wang Yu, who was hiding at the very back.

"Lin Xi, are you sure?"

Wang Bin's voice wasn't loud, but it carried a sense of pressure,

"This machine is for making insulating parts for satellites."

"If it breaks, you couldn't afford to pay for it even if you sold your Service Center."

"Director Wang, I am sure."

Lin Xi took a step forward, his eyes resolute,

"Aluminum molds are indeed soft, but as long as the parameters are controlled properly,"

"Not only will the mold not collapse, but it can also achieve a mirror-grade finish."

Wang Bin stared at Lin Xi for a full three seconds.

"Old Chen, let him try." Wang Bin waved his hand,

"I'll watch from the side. If anything happens, it's on me."

Since the Director had spoken, Master Chen couldn't say anything more.

With a cold snort, he directed Wang Dapao to hoist the mold up.

He was still muttering under his breath:

"Young people nowadays really don't know the height of the heavens or the depth of the earth..."

Once the mold was installed, Wang Yu nimbly poured the white, dried ABS pellets into the hopper.

"How should the parameters be set?"

Master Chen placed his hand on the control panel and asked irritably,

"Should I set the clamping force to the minimum for you?"

"Lower the injection pressure to 50 for you?"

"No."

Lin Xi pulled a slip of paper from his pocket, his tone calm.

"Clamping force 35 tons."

"First stage injection pressure 110, second stage holding pressure 85."

"Injection speed 95%, holding pressure time 2.5 seconds."

"Cooling time, 15 seconds."

"How much?!"

Master Chen's hand jerked violently, and he looked at Lin Xi as if he were looking at a madman,

"Injection pressure 110?"

"Injection speed 95%?"

"Are you trying to shoot right through the mold?!"

"Can an aluminum mold withstand such a massive impact?"

With such aggressive parameters, even a steel mold would have to be handled with caution.

This kid actually dared to use them on an aluminum mold?

This was practically like driving a tractor on a highway and trying to drift!

Even Wang Bin, who was standing nearby, raised an eyebrow.

"Lin Xi, are you sure?" Wang Bin asked in a low voice.

"Sure."

Lin Xi pointed to the temperature gauge on the machine,

"ABS material has the best fluidity at 230 degrees, but aluminum molds dissipate heat extremely fast."

"If we don't inject quickly, the material will cool halfway through, and the product will have short shots."

"We must use high pressure and high speed to let the plastic fill the cavity within 0.5 seconds."

"Then utilize the high thermal conductivity of aluminum to instantly cool and set the shape."

"This is called—In the world of martial arts, speed is the only thing that cannot be broken."

Master Chen was so angry he laughed: "Fine! Fine!"

"You want to blow the mold, right?"

"I'll grant your wish!"

Even though he said that,

When his fingers were inputting the parameters, he still subconsciously glanced at Wang Bin.

Seeing that Wang Bin didn't stop him, he gritted his teeth and pressed the start button.

"Voom—"

The hydraulic pump let out a dull, low growl.

Everyone held their breath.

Wang Dapao clenched his fists, his palms covered in sweat.

The screw advanced, and high-pressure resin was injected.

“Bang!”

A dull thud of impact.

That was the sound of the high-pressure melt instantly filling the mold.

Master Chen subconsciously closed his eyes, waiting for the sharp crack of the mold splitting.

One second.

Two seconds.

There was no explosion.

There was no shattering.

Only the steady humming of the machine running and the ticking sound of the cooling timer.

Master Chen snapped his eyes open, staring intently at the clamping mechanism.

Steady as a mountain!

"Beep—"

Cooling finished, mold opened.

"Click."

With the movement of the ejector pins, a grayish-white fan blade,

Carrying residual heat that had yet to dissipate, slid lightly into the receiving tray.

Master Chen grabbed the fan blade, ignoring the heat, and brought it close to his eyes to examine it carefully.

No flashing.

No shrinkage.

The gate break was clean and crisp.

The most terrifying thing was the surface—

That smoothness was actually like a mirror.

It reflected Master Chen's face, which was distorted with shock!

"This... how is this possible?"

Master Chen took off his glove and gently stroked the surface of the fan blade with his fingertip.

An aluminum mold?

This was produced by a damn aluminum mold?

This quality was even better than the satellite parts he made using imported steel molds!

"Incredible..."

Master Chen murmured to himself, the way he looked at Lin Xi changed,

"Young comrade, these parameters of yours... you've really got something there."

"Let me see."

Wang Bin, who had been silent, walked over and took the fan blade from Master Chen's hand.

He didn't look at the smoothness, nor did he look for burrs.

As a top aerodynamic expert, his gaze was locked onto the shape of the fan blade.

It wasn't an ordinary flat blade.

It was an extremely complex double-curvature variable cross-section design.

The root of the blade was thick, the tip was thin, and it had a strange twist angle.

"NACA 4412 airfoil..."

Wang Bin narrowed his eyes, his finger gently tracing the edge of the blade,

"This kind of design is usually only used on..."

"Propeller-driven fighter planes."

He looked up, his eyes sharply fixed on Lin Xi: "Did you come up with this?"

Lin Xi's heart skipped a beat.

Oops, I overdid the showing off.

This kind of silent fan blade design from 2025 was indeed a bit beyond the scope of this era.

"Uh..." Lin Xi's mind raced, and a simple, honest smile appeared on his face,

"Well..."

"I flipped through an old foreign journal in the library called 'Nonlinear Fluid Dynamics'."

"There was a similar diagram in there, so I just copied it..."

"Plus..."

"My master has good craftsmanship, so he lathed it out."

"'Nonlinear Fluid Dynamics'?" Wang Bin nodded thoughtfully,

"That's a Soviet theory."

"No wonder."

Although this explanation was far-fetched, to a technical geek like Wang Bin, it was actually the most reasonable.

He looked at the fan blade in his hand again, but this time, his focus was no longer on the fan.

"High temperature, high pressure, rapid molding..." Wang Bin murmured to himself,

"Aluminum molds conduct heat quickly, the crystallinity is high, and the strength actually goes up..."

Suddenly, Wang Bin's eyes lit up.

That was the problem that had troubled him for half a year—

The internal structural supports for the red star 3 satellite.

If they used this process to replace heavy metal parts with this high-strength engineering plastic...

They could reduce the weight by at least 30%!

In the field of aerospace, a gram of weight was a gram of gold!

Lin Xi's seemingly playful "fan making" had unintentionally broken through a layer of mystery for him!

"Lin Xi."

Wang Bin's voice suddenly became solemn.

Even when facing his subordinates, he had never used such a nearly equal tone.

"Organize a document of these process parameters and give it to me tomorrow."

"In addition..."

Wang Bin paused and pulled a notebook from his jacket pocket.

With a "rip" sound, he tore off a piece of paper and quickly scribbled a few lines.