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Watch the full body at Tok Tok.

🚄💨 Unlock the secret under the train! What makes a heavy train hundreds of tons run through 300 km / h firmly without derailment!

Many may have called "train bogies," meaning entire carriages...

❌ But in fact, "bogie" is not a cabin!

Because in the engineering world, a rail system, "Bogie," or "carriage," is the heart of a train hidden under a train, like the spine that carries the huge weight of a whole train. 🚆

And have you ever wondered?..

🤔 A hundred tons of heavy trains.

🤔 Run on only 2 steel rails.

🤔 use speeds in excess of 300 km / h.

Why remain still, quiet and safe?

All the answers are in the "carriage wheel," an engineering piece that has been developed over a hundred years!

🔍 3 key technologies hidden under the train.

⚙️ 1. Conical Wheel

The train wheels are not as flat as many people think, but they are designed to be conical, allowing the car to automatically reinvigorate itself into the center of the rail, allowing it to curve gently and steadily.

🛞 2-Tier Suspension (Dual Suspension)

Behind the softness of modern trains is the 2-level vibration support system.

🔹 Primary Suspension

Absorb the vibration directly from the rail.

🔹 Secondary Suspension

Use large "alveoli," support the cabin weight, reduce vibration before sending to passengers.

This is why high-speed trains sit comfortably, even running at plane-level speeds, taking off. ✈️

🛑 3. Intelligent braking system.

Modern trains do not use only brake pads.

✅ Air Brake

✅ Electric Brake (Dynamic / Regenerative Brake)

Working together to stop the enormous heavy train accurately and safely.

🐍 So what happens if the train runs too fast?

In engineering, there is a phenomenon called

""

Or a wiggle snake-like left-right staggering that can occur when trains run at very high speeds.

But the engineers solved this problem with a key device called

🔧 Yaw Damper.

The staggering shock absorber connecting the cabin and the carriage serves to control the side flick force.

This is one of the key technologies enabling high-speed trains around the world to safely run in excess of 300 km / h. 🌍🚄

🎓 Want to design and supervise these systems?

Thailand has a specialized institution for rail systems that has produced railway industry feeder personnel for more than 80 years.

🏫 School of Railway Engineering

It offers important courses, such as

🔹 Mechanical mechanic

🔹 civil mechanic.

🔹. Signal and telecommunications technician.

🔹 Walking management

🔹 Locomotive and wheel electrical technician

Which is a line of work involving "wheel carts" and direct drive.

📅. Applications are open around February - April every year.

For those who dream of being part of the future of the Thai rail system, this can be another very interesting career path. 🚆🇹🇭

🔥 The world can only see "locomotives."

But the industry knows that...

"What makes the whole train move safely is under the floor."

👇 Have you ever mistaken "bogie" for the same cabin?

Comment, let's talk. 🚄

📢 Share this post to friends who like trains, engineering, or logistics know that the greatest technology is sometimes hidden in spots we've never seen!

# Logistic Man

# Thai train

# Train engineering

# RailwayEngineering

# Bogie

# Train bogie

# Carriage wheel

# High-speed rail

# HighSpeedRail

# Rail system

# Logistics

# Logistics

# SupplyChain

# TransportEngineering

# EngineeringFacts

# KnowledgeSharing

# Significant to know

# Open the engineering world

# Technology

# FutureTransport

# ThaiRailway

# ViralKnowledge

♪ What to know

# Because logistics is life

19 hours agoEdited to

... Read moreจากประสบการณ์ส่วนตัวที่ได้เรียนรู้และศึกษาระบบรางรถไฟ สาระสำคัญที่ทำให้รถไฟความเร็วสูงสามารถวิ่งได้อย่างปลอดภัยนั้นคือการออกแบบแคร่ล้อหรือที่เรียกกันว่าโบกี้ ทั้งนี้หลายคนยังเข้าใจผิดว่าโบกี้คือทั้งตู้โดยสาร แท้จริงแล้วโบกี้คือโครงสร้างรองรับล้อและเพลาที่อยู่ใต้ตัวรถไฟ ช่วยให้น้ำหนักจำนวนมากกระจายได้อย่างเหมาะสมบนราง สิ่งที่น่าสนใจคือรูปทรงของล้อที่ไม่มีแบนราบตามที่หลายคนคิด แต่ถูกออกแบบเป็นทรงกรวย (Conical Wheel) เพื่อให้ล้อรถไฟสามารถประคองตัวเองให้อยู่กึ่งกลางรางโดยอัตโนมัติ ช่วยให้การขับขี่ราบรื่นและลดโอกาสการตกราง ยิ่งเมื่อผสมผสานกับระบบช่วงล่าง 2 ชั้นที่ประกอบด้วยช่วงล่างชั้นต้นดูดซับแรงสะเทือนจากราง และช่วงล่างชั้นรองที่ใช้ถุงลมรองรับน้ำหนักตู้โดยสาร จึงทำให้ผู้โดยสารรู้สึกสบายแม้ขณะวิ่งด้วยความเร็วสูง นอกจากนั้น ระบบเบรกอัจฉริยะที่ผสมผสานทั้งเบรกลม (Air Brake) และเบรกไฟฟ้า (Dynamic/Regenerative Brake) ทำให้หยุดรถได้อย่างแม่นยำและปลอดภัย ตามที่ได้เล่ามา ปรากฏการณ์ Hunting Oscillation หรือการส่ายของโบกี้ที่เกิดขึ้นเมื่อรถไฟวิ่งเร็วเกินไป ถูกแก้ไขด้วยอุปกรณ์ Yaw Damper ซึ่งทำหน้าที่เป็นโช้คอัพกันส่าย ป้องกันแรงสะบัดด้านข้าง เพิ่มความมั่นคงบนรางได้มากขึ้น สำหรับผู้ที่สนใจอยากเรียนรู้และร่วมเป็นส่วนหนึ่งของการพัฒนาเทคโนโลยีระบบรางในประเทศไทย สามารถเข้าศึกษาต่อในสถาบันเฉพาะทางด้านระบบรางที่เปิดสอนหลายหลักสูตรเกี่ยวกับวิศวกรรมระบบรางและการจัดการเดินรถ ซึ่งถือเป็นโอกาสดีสำหรับคนรุ่นใหม่ที่ต้องการผลักดันระบบโลจิสติกส์และขนส่งทางรางให้ประเทศก้าวหน้าในอนาคต

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