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Matthewunand

09 Nov 2024 - 05:47 pm

Why this small city is the ‘eyeglasses capital’ of Japan
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Japan is famed for its skilled artisans, masters who maintain a commitment to tradition while modernizing production techniques in line with the development of new materials and processes.

Many places in the country have grown famous by focusing on specific crafts, from exquisite kimonos to perfectly designed knives. Among them is the small city of Sabae, in Fukui prefecture, about a 3.5-hour train ride from Tokyo.
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It’s widely known as Japan’s eyeglasses capital – and for good reason. Sabae produces over 90% of the frames manufactured in the country, according to the local government. Signs and objects shaped like eyeglasses can be found on city streets, and there’s even a museum and festival devoted to spectacles.
The art of making spectacles
Sabae, located on Japan’s main Honshu island near the city of Fukui, has been producing quality eyewear for more than a century.

It all started in 1905, when a local government official invited skilled eyeglasses artisans to come to the city to teach their craft, an attempt to create new opportunities for local farmers.

The move paid off. Today, Sabae has over 100 companies that collaborate to make pairs of glasses.

Though these studios use cutting-edge machinery to produce new frames made of metal and acetate, most stages still require the skilled hands and trained eyes of Sabae’s master artisans.

That includes Takeshi Yamae, a frame designer with Japanese brand Boston Club who has lived in the city for 17 years. He tells CNN one pair of glasses can involve more than 200 steps.

“I first design it, sketch it, then put it into my computer,” he says. “From the time I start designing, to the time I have the perfect product, it takes more than a year.”

Robertbloli

09 Nov 2024 - 04:41 pm

How a drab Soviet metropolis became Central Asia’s capital of cool
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Several cities around the globe have reinvented themselves in recent years, but none more successfully than Almaty.

Since the collapse of the USSR, Kazakhstan’s largest city (population 2.2 million and growing) has evolved from a drab, run-of-the-mill Soviet metropolis into the urban star of Central Asia.
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Along the way, the city has developed one of the world’s most beautiful metro systems, grown into a thriving banking and finance center, complemented its vintage bazaars with luxury boutiques and modern shopping malls and reshaped its traditional gastronomy into a nouvelle cuisine that’s drawing raves from foodies around the world.

Almaty is also evolving into the cultural and artistic hub of Central Asia. It’s already got several world-class museums (including a “secret” underground collection that doesn’t even have a name) and a dazzling new cultural center slated to open early next year.

“It’s an incredibly livable city,” says long-time American resident Dennis Keen, a historic preservation advocate and founder of Walking Almaty.

“Green and clean. You don’t need a car. The public transit here is fantastic. And it’s very much the center of contemporary art and dining in Central Asia.”

Keen adds that whenever he tells someone back home that he lives in Kazakhstan, “Borat” inevitably comes up. The movie’s title character doesn’t paint a very flattering portrait of the Central Asian nation. But nowadays one is tempted to think that if Borat visited Almaty now, he would say, “Very nice!”

Hollisjoile

09 Nov 2024 - 10:49 am

Watch YouTube Short
Balanset-1A: The Ultimate Rotor Balancing Device

In the world of mechanical engineering, maintaining the stability and functionality of rotating machinery is crucial. One of the key tools for achieving this is the Balanset-1A, a two-channel device designed for balancing and vibration analysis of various rotors, including those found in crushers, fans, and turbines. This article will delve into the essential features of the Balanset-1A and answer the question: How do you perform a vibration analysis on a pulley system?

Understanding the Importance of Balancing

Balancing is performed on mechanically sound systems that are securely mounted in their designated positions. If a mechanism is not in good condition, it must be repaired and reinstalled with functioning bearings before balancing can commence. Additionally, the rotor must be free from contaminants that could hinder the balancing process.

Pre-Balancing Preparations

Before measurements, it’s vital to select appropriate sensor installation locations and set up vibration and phase sensors according to the provided guidelines. It is recommended to perform initial measurements in vibrometer mode to gauge the baseline vibration levels.

If the total vibration levels, V1s(V2s), approximately equal the rotational component, V1o(V2o), it can be inferred that rotor imbalance is the primary contributor to vibration. However, if the total vibration significantly exceeds the rotational component, further investigation is warranted. This could involve checking bearing conditions, ensuring secure mounting on the foundation, and verifying that the rotor does not interfere with stationary components during operation.

Initial Vibration Measurement

Utilizing the Balanset-1A, begin the balancing process by measuring the initial vibration levels. This step is crucial for establishing the amplitude and phase of the existing imbalance. Place vibration sensors perpendicular to the rotor's axis and use a laser tachometer to measure rotational speed accurately.

Single Plane Balancing

The Balanset-1A excels in single-plane balancing, where a test weight is introduced in the first balancing plane. After running the rotor, observe the changes in amplitude or phase—an alteration of at least 20% indicates a partial correction of the imbalance.

Two Plane Balancing

For more complex rotors, the Balanset-1A can perform two-plane balancing. This involves moving the test weight to the second plane, where measurements are taken again. The device calculates the precise location and weight of corrective masses needed to achieve balance.

Correcting Imbalance

Based on the data collected, the Balanset-1A provides recommendations for the placement and weight of corrective loads in both planes. The installation of these weights must be done at the specified angles relative to the rotor's initial position.

Final Check and Completion

After the corrective weights are installed, run the rotor again to verify that vibration levels have decreased to acceptable standards. If further adjustments are needed, the Balanset-1A will suggest additional weights and their locations.

Conclusion

The Balanset-1A is a comprehensive solution for rotor balancing and vibration analysis. With its advanced capabilities, including vibrometer mode, FFT spectrum analysis, and the ability to balance in one or two planes, it is an essential tool for maintaining the efficiency and longevity of rotating machinery. By following the outlined procedures, professionals can effectively address the question: How do you perform a vibration analysis on a pulley system? and ensure optimal performance in their mechanical systems.

For more information or to purchase the Balanset-1A, visit Vibromera's website.


[b]Contact Information:[/b]

For more information about our Balanset balancing devices and other products, please visit our website: https://vibromera.eu.

Subscribe to our YouTube channel, where you will find instructional videos and examples of completed work: https://www.youtube.com/@vibromera.

Stay updated with our latest news and promotions on Instagram, where we also showcase examples of our work: https://www.instagram.com/vibromera_ou/.

Buy Balanset-1A on Facebook Marketplace


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Charlesgox

09 Nov 2024 - 08:02 am

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Joesphclupe

09 Nov 2024 - 06:25 am

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Robertapora

08 Nov 2024 - 05:03 pm

A ring found among the debris of Florida’s recent hurricanes awaits its owner
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Scattered across Florida’s hurricane-ravaged communities are piles of debris, remnants of what were once homes. Cherished memories — photo albums, family heirlooms, and tokens of love — swallowed by floodwaters and carried miles away, are now reduced to mere fragments and discarded amid the wreckage.

But in one of these piles of lost memories, a small, inconspicuous velvet black box was discovered with a ring and a note that read: “I was 18 when my parents gave it to me.”
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Now, Joe Kovach, the engineer managing one of the debris sites in Tarpon Springs, Florida, where the box was found, is searching for its owner.

“Everyone has been basically dumping their entire lives onto the curb after the storm when everything flooded. My own boss’ house had 30 inches (of water) in it, and I saw his face and just how devastating it can be for everyone,” Kovach, an engineer with Pinellas County Public Works, told CNN.

“A lot of people in the community were really affected by these two storms, if there’s just a little bit I can do to give back, then that’s perfect.”

A contractor, who was gathering and condensing debris with an excavator, discovered the ring when he looked down and saw the box.

“This was a needle in a haystack for sure. For something like that to survive all that when everything else was so wet and saturated, that was kind of incredible,” Kovach said.
Although the ring was found after Hurricane Milton, Kovach is sure the treasure was initially lost amid the ruins of Hurricane Helene, based on the pile of debris it came from, which Pinellas County Public Works tracks. It is likely the owner of the ring is from Crystal Beach, Ozona, or Palm Harbor, Kovach said.

On Tuesday, after the contractor informed him about the ring, Kovach posted a photo of the box and the note on several local community Facebook pages, asking if it belonged to anyone. He did not include a photo or description of the ring to ensure it is returned to the rightful owner who can accurately describe it. On the inside lid of the box is a gold engraving with the jewelry brand, “The Danbury Mint.”

Thomaseffit

08 Nov 2024 - 04:22 pm

Medical staff on the front line of the battle against mpox in eastern Democratic Republic of Congo have told the BBC they are desperate for vaccines to arrive so they can stem the rate of new infections.
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At a treatment centre in South Kivu province that the BBC visited in the epicentre of the outbreak, they say more patients are arriving every day - especially babies - and there is a shortage of essential equipment.
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Mpox - formerly known as monkeypox - is a highly contagious disease and has killed at least 635 people in DR Congo this year.
Even though 200,000 vaccines, donated by the European Commission, were flown into the capital, Kinshasa, last week, they are yet to be transported across this vast country - and it could be several weeks before they reach South Kivu.
“We've learned from social media that the vaccine is already available,” Emmanuel Fikiri, a nurse working at the clinic that has been turned into a specialist centre to tackle the virus, told the BBC.
He said this was the first time he had treated patients with mpox and every day he feared catching it and passing it on to his own children - aged seven, five and one.
“You saw how I touched the patients because that's my job as a nurse. So, we're asking the government to help us by first giving us the vaccines.”
The reason it will take time to transport the vaccines is that they need to be stored at a precise temperature - below freezing - to maintain their potency, plus they need to be sent to rural areas of South Kivu, like Kamituga, Kavumu and Lwiro, where the outbreak is rife.
The lack of infrastructure and bad roads mean that helicopters could possibly be used to drop some of the vaccines, which will further drive up costs in a country that is already struggling financially.
At the community clinic, Dr Pacifique Karanzo appeared fatigued and downbeat having been rushed off his feet all morning.
Although he wore a face shield, I could see the sweat running down his face. He said he was saddened to see patients sharing beds.
“You will even see that the patients are sleeping on the floor,” he told me, clearly exasperated.
“The only support we have already had is a little medicine for the patients and water. As far as other challenges are concerned, there's still no staff motivation.”



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