Watch out! Don't let the screwdriver damage your product!

2019-01-23

When tightening a screw, how should we do it?

Isn’t the first reaction of many people simply to twist hard? But is tightening a screw really that simple? Often, the simpler something seems, the harder it actually is! The editor recently encountered just such a situation.

 

Recently, a cycling enthusiast posted a “blood-curdling” photo on Tieba—his carbon-fiber bike had actually been completely stripped of its components. How could he manage to strip the entire bike down to its bare essentials? The answer lies in the material of this bike: it’s made of carbon fiber, which, unlike aluminum alloy or steel, is highly susceptible to damage if excessive force is concentrated on just one spot. That’s precisely what the headline refers to: “Beware! Don’t let your screwdriver strip your product to the bone!”

As times advance, the products we use in our daily lives are no longer limited to materials such as steel and aluminum; instead, new materials like carbon fiber are beginning to come into our view. If we simply apply force indiscriminately—no matter how tightly or loosely we twist them—the inevitable result will be damage to the materials!
Tightening screws properly is an art.

 

 

Besides simply tightening a screw until it’s fully screwed in, learning how to tighten a screw properly is actually a whole other discipline! Let’s take bicycles as an example again. As shown in the figure, if you want to properly tighten this component, you can’t just apply force blindly. On the contrary, you need to carefully control both the direction and the intensity of your twisting motion—and the amount of force required may vary significantly depending on the specific location. Only seasoned, veteran craftsmen would likely be able to perfectly tighten these kinds of parts. It’s truly a skill worth mastering!

But even master craftsmen will eventually grow old. Will there still be anyone left who can tighten screws solely by relying on sensory experience?

Siwei Smart Electric Screwdriver Tells You the Answer

 

The photo above shows the scene of an intelligent screwdriver being used to assemble a Lenovo all-in-one computer. As we all know, all-in-one computers have extremely high requirements for screw-tightening precision. If the screws are tightened too loosely, the all-in-one computer can easily get damaged; if they’re tightened too tightly, delicate components could be damaged—effectively rendering the entire machine unusable. Therefore, screws must be tightened just right to ensure that the final product is perfectly crafted and ready for us to enjoy.

To meet these high demands, the Sensewee smart screwdriver precisely controls torque and rotational force. It can also be programmed with multiple steps according to engineers' specifications—whether it’s tightening first, then reversing slightly, or tightening fully, reversing one full turn, and then tightening again—all of which can be accomplished effortlessly.

There’s also real-time feedback on the data, making it easy to trace back data when needed. If a bolt is missed or tightened incorrectly, an alarm will sound immediately. Under these operating conditions, how likely do you think it is that your product will fail due to improper tightening?