What is a Centerless Grindnig Machine? μ„Όν„°λ¦¬μŠ€(무심)μ—°μ‚­κΈ°λž€? | Grinding Machine EP. 2

By ORSKOREA 11 min read
What is a Centerless Grindnig Machine? μ„Όν„°λ¦¬μŠ€(무심)μ—°μ‚­κΈ°λž€? | Grinding Machine EP. 2
πŸ’‘
In this blog post, we will explore centerless grinding machines. These machines have evolved significantly since the Industrial Revolution and now play a critical role in various industries.

In particular, they have become indispensable tools in the aerospace, automotive, and precision machinery manufacturing sectors. Join us as we delve into the definition, structure, and advantages of centerless grinding machines, along with the types of parts they can process.

이번 λΈ”λ‘œκ·Έ ν¬μŠ€νŠΈμ—μ„œλŠ” 무심연삭기에 λŒ€ν•΄ μ•Œμ•„λ³΄λ„λ‘ ν•˜κ² μŠ΅λ‹ˆλ‹€. λ¬΄μ‹¬μ—°μ‚­κΈ°λŠ” μ‚°μ—… 혁λͺ… 이후 λ°œμ „ν•˜μ—¬, ν˜„μž¬λŠ” λ‹€μ–‘ν•œ μ‚°μ—…μ—μ„œ μ€‘μš”ν•œ 역할을 ν•˜κ³  μžˆμŠ΅λ‹ˆλ‹€.

특히 항곡, μžλ™μ°¨ 및 μ •λ°€ 기계 μ œμ‘°μ—μ„œ μ—†μ–΄μ„œλŠ” μ•ˆ 될 λ„κ΅¬λ‘œ 자리작고 μžˆμŠ΅λ‹ˆλ‹€. 이번 κΈ°νšŒμ— λ¬΄μ‹¬μ—°μ‚­κΈ°μ˜ μ •μ˜μ™€ ꡬ쑰, μž₯점뿐만 μ•„λ‹ˆλΌ 가곡할 수 μžˆλŠ” λΆ€ν’ˆ μ’…λ₯˜μ— λŒ€ν•΄μ„œλ„ 깊이 있게 μ•Œμ•„λ³΄κ² μŠ΅λ‹ˆλ‹€.

What is a Centerless Grinding Machine?

Left β“’ Unplash | Right β“’ ORSKOREA μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„

What is Centerless Grinding Machine?

A centerless grinding machine, as the name suggests, refers to a grinding method that operates without a center support (centerless). Unlike traditional grinding methods, the workpiece is not fixed in place but rotates freely during the grinding process. Imagine a skateboarder in motionβ€”this concept resembles the freedom and fluidity of centerless grinding.

This person moves freely without a fixed point, with both feet securely positioned on the skateboard. By extending their arms for balance and leaning forward, they gain speed. The underside of the skateboard maintains close contact with the ground, creating friction that allows the board to move effortlessly in the desired direction. Without a fixed position, the individual can freely rotate and change directions, a movement made possible by the unique design of the skateboard and the frictional forces at play.

Similarly, the parts processed in a centerless grinding machine resemble a skateboarder in motion. The parts rotate freely without a fixed point, while the grinding wheel polishes and refines their surfaces. Just as the friction between the skateboard and the ground ensures smooth movement, the grinding wheel meticulously smooths and shapes the part's surface to achieve the desired form.

Centerless grinding machines are primarily used for processing cylindrical parts, making them especially suitable for machining the outer diameters of round components.

λ¬΄μ‹¬μ—°μ‚­κΈ°λž€?

말 κ·ΈλŒ€λ‘œ 무심(μ„Όν„°λ¦¬μŠ€) λ°©μ‹μœΌλ‘œ κ°€κ³΅λ˜λŠ” μ—°μ‚­ 방법을 μ˜λ―Έν•©λ‹ˆλ‹€. 일반적인 μ—°μ‚­ λ°©μ‹κ³ΌλŠ” 달리, μž‘μ—…λ¬Όμ„ κ³ μ •ν•˜μ§€ μ•Šκ³  자유둭게 νšŒμ „ν•˜λ©° 연삭이 μ΄λ£¨μ–΄μ§‘λ‹ˆλ‹€. μŠ€μΌ€μ΄νŠΈλ³΄λ“œλ₯Ό νƒ€λŠ” μ‚¬λžŒμ„ 상상해 λ³΄μ„Έμš”.

이 μ‚¬λžŒμ€ νŠΉλ³„ν•œ 고정점 없이 자유둭게 움직이며, 두 λ°œμ€ μŠ€μΌ€μ΄νŠΈλ³΄λ“œ μœ„μ— μ•ˆμ •μ μœΌλ‘œ 자리작고 μžˆμŠ΅λ‹ˆλ‹€. νŒ”μ„ 벌렀 κ· ν˜•μ„ 작고, μ•žμœΌλ‘œ λͺΈμ„ 기울이며 속도λ₯Ό λ‚΄κ³  μžˆμŠ΅λ‹ˆλ‹€. μŠ€μΌ€μ΄νŠΈλ³΄λ“œμ˜ λ°”λ‹₯면은 μ§€λ©΄κ³Ό λ°€μ°©λ˜μ–΄ λ§ˆμ°°μ„ μΌμœΌν‚€κ³ , 이 마찰 덕뢄에 μŠ€μΌ€μ΄νŠΈλ³΄λ“œλŠ” μ›ν•˜λŠ” λ°©ν–₯으둜 μ‰½κ²Œ λ‚˜μ•„κ°ˆ 수 μžˆμŠ΅λ‹ˆλ‹€. 이 μ‚¬λžŒμ€ κ³ μ •λœ μœ„μΉ˜ 없이도 자유둭게 νšŒμ „ν•˜κ³  λ°©ν–₯을 λ°”κΏ€ 수 있으며, μ΄λŸ¬ν•œ μ›€μ§μž„μ€ μŠ€μΌ€μ΄νŠΈλ³΄λ“œμ˜ νŠΉμ„±κ³Ό 마찰λ ₯ 덕뢄에 κ°€λŠ₯ν•΄μ§‘λ‹ˆλ‹€.

이와 μœ μ‚¬ν•˜κ²Œ, λ¬΄μ‹¬μ—°μ‚­κΈ°μ—μ„œ μ—°μ‚­λ˜λŠ” λΆ€ν’ˆμ€ 마치 μŠ€μΌ€μ΄νŠΈλ³΄λ“œλ₯Ό νƒ€λŠ” μ‚¬λžŒκ³Ό κ°™μŠ΅λ‹ˆλ‹€. λΆ€ν’ˆμ€ κ³ μ •λœ 지점 없이 자유둭게 νšŒμ „ν•˜λ©°, μ—°μ‚­μˆ«λŒμ΄ λΆ€ν’ˆμ˜ ν‘œλ©΄μ„ 닀듬고 μ •λ¦¬ν•˜λŠ” 역할을 ν•©λ‹ˆλ‹€. μ—°μ‚­ νœ μ€ λ°”λ‹₯의 마찰처럼 λΆ€ν’ˆμ˜ ν‘œλ©΄μ„ κΉ”λ”ν•˜κ²Œ 닀듬고, μ›ν•˜λŠ” ν˜•νƒœλ‘œ κ°€λŠ” 데 도움을 μ€λ‹ˆλ‹€.

이런 λ¬΄μ‹¬μ—°μ‚­κΈ°λŠ” 주둜 μ›ν˜• λΆ€ν’ˆμ˜ 가곡에 μ‚¬μš©λ˜λ©°, 특히 μ›ν†΅ν˜• λΆ€ν’ˆμ˜ μ™Έκ²½ 가곡에 μ ν•©ν•©λ‹ˆλ‹€.


How is the Structure of
Centerless Grinding Machine?

무심(μ„Όν„°λ¦¬μŠ€)μ—°μ‚­κΈ°μ˜ κ΅¬μ‘°λŠ” μ–΄λ–»κ²Œ λ˜λ‚˜μš”?

SGC 300 β“’ ORSKOREA μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„

A centerless grinding machine features a structure distinct from conventional grinding machines. It can be broadly divided into three main components: the grinding wheel, the regulating wheel, and the workpiece support.

λ¬΄μ‹¬μ—°μ‚­κΈ°λŠ” 일반적인 μ—°μ‚­κΈ°μ™€λŠ” λ‹€λ₯Έ ꡬ쑰λ₯Ό μ§€λ‹ˆκ³  있으며, 크게 μ—°μ‚­μˆ«λŒ, μ‘°μ •μˆ«λŒ, 가곡물 μ§€μ§€λŒ€. μ΄λ ‡κ²Œ μ„Έ κ°€μ§€λ‘œ κ΅¬μ„±λœλ‹€κ³  λ³Ό 수 μžˆμŠ΅λ‹ˆλ‹€.

Grinding Wheel

μ—°μ‚­μˆ«λŒ (a.k.a 지석)

Grinding Wheel β“’ ORSKOREA μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„

Grinding wheels are circular in shape and come in various sizes and thicknesses. They are primarily composed of bonded abrasive grains, with materials such as alumina and silicon carbide used depending on the type of abrasive.

The bonding material varies and can include resin, ceramic, or metal, chosen based on the specific grinding application. The surface of the grinding wheel may be rough or smooth, depending on the characteristics of the workpiece being processed.

μ—°μ‚­μˆ«λŒμ€ μ›ν˜• ν˜•νƒœλ‘œ, λ‹€μ–‘ν•œ 크기와 λ‘κ»˜κ°€ μžˆμŠ΅λ‹ˆλ‹€. 주둜 μ—°μ‚­ μž…μžκ°€ κ²°ν•©λœ 재료둜 κ΅¬μ„±λ˜μ–΄ 있으며, μž…μžμ˜ μ’…λ₯˜μ— 따라 μ•Œλ£¨λ―Έλ‚˜, μ‹€λ¦¬μ½˜ μΉ΄λ°”μ΄λ“œ λ“±μ˜ μž¬λ£Œκ°€ μ‚¬μš©λ©λ‹ˆλ‹€.

κ²°ν•©μž¬λŠ” μˆ˜μ§€, 세라믹, κΈˆμ† λ“± λ‹€μ–‘ν•œ ν˜•νƒœκ°€ 있으며, μ—°μ‚­ μž‘μ—…μ˜ λͺ©μ μ— 맞좰 μ„ νƒλ©λ‹ˆλ‹€. 숫돌의 ν‘œλ©΄μ€ κ±°μΉ κ±°λ‚˜ λ§€λ„λŸ½κ²Œ κ°€κ³΅λ˜μ–΄ 있으며, μ΄λŠ” κ°€κ³΅λ¬Όμ˜ νŠΉμ„±μ— 따라 λ‹¬λΌμ§‘λ‹ˆλ‹€.

지석에 λŒ€ν•œ μžμ„Έν•œ λ‚΄μš©μ€ μ•„λž˜μ˜ 포슀트λ₯Ό μ°Έκ³ ν•΄μ£Όμ„Έμš”!

What is a Grinding Wheel, and How is it Labeled?
Learn grinding wheel labeling basics, including key components and specs, to improve efficiency and precision in grinding applications.

Regulating Wheel

μ‘°μ •μˆ«λŒ

Regulating wheels adjust the gap between the grinding wheel and the workpiece, controlling the grinding depth. This helps prevent workpiece damage from excessive grinding while ensuring the desired dimensions and shape. Additionally, by adjusting the angle, they enable precision grinding for various workpiece shapes.

μ‘°μ •μˆ«λŒμ€ μ—°μ‚­μˆ«λŒκ³Ό 가곡물 μ‚¬μ΄μ˜ 간격을 μ‘°μ ˆν•˜μ—¬ μ—°μ‚­ 깊이λ₯Ό μ‘°μ ˆν•  수 μžˆλ„λ‘ ν•©λ‹ˆλ‹€. 이둜 인해 κ³Όλ„ν•œ μ—°μ‚­μœΌλ‘œ μΈν•œ κ°€κ³΅λ¬Όμ˜ 손상을 λ°©μ§€ν•˜κ³ , μ›ν•˜λŠ” μΉ˜μˆ˜μ™€ ν˜•μƒμ„ 얻을 수 있게 ν•©λ‹ˆλ‹€. λ˜ν•œ, 각도λ₯Ό μ‘°μ ˆν•¨μœΌλ‘œμ¨ λ‹€μ–‘ν•œ ν˜•νƒœμ˜ 가곡물에 μ ν•©ν•œ μ—°μ‚­ μž‘μ—…μ΄ κ°€λŠ₯ν•΄μ§‘λ‹ˆλ‹€.

Work Support

가곡물 μ§€μ§€λŒ€

The workpiece support is a structural component that securely holds the workpiece in place. It helps maintain optimal contact with the grinding wheel while minimizing vibration and movement during the grinding process.

가곡물 μ§€μ§€λŒ€λŠ” 가곡물을 μ•ˆμ •μ μœΌλ‘œ λ°›μΉ˜λŠ” κ΅¬μ‘°λ¬Όμž…λ‹ˆλ‹€. μ΄λŠ” μ—°μ‚­μˆ«λŒκ³Όμ˜ 졜적의 접촉을 μœ μ§€ν•˜λ„λ‘ 돕고, 가곡 쀑 μ§„λ™μ΄λ‚˜ μ›€μ§μž„μ„ μ΅œμ†Œν™”ν•©λ‹ˆλ‹€.


Advantage of Centerless Grinding Machine

무심(μ„Όν„°λ¦¬μŠ€)μ—°μ‚­κΈ°μ˜ μž₯점

SGC 300 β“’ ORSKOREA μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„

πŸ“ˆ High Productivity

높은 생산성

Since the parts can rotate freely without being fixed, multiple components can be processed quickly and efficiently in a single operation.

λΆ€ν’ˆμ„ κ³ μ •ν•˜μ§€ μ•Šκ³  자유둭게 νšŒμ „μ‹œν‚€λ©΄μ„œ 연삭을 μ§„ν–‰ν•  수 있기 λ•Œλ¬Έμ—, ν•œ λ²ˆμ— μ—¬λŸ¬ λΆ€ν’ˆμ„ λΉ λ₯΄κ³  효율적으둜 μ²˜λ¦¬ν•  수 μžˆμŠ΅λ‹ˆλ‹€.

πŸ’Ž Precise Grinding Performance

μ •λ°€ν•œ μ—°μ‚­

Centerless grinding machines enable high-precision cylindrical grinding, ensuring uniformity in diameter and surface finish. This makes them highly effective in industries that require precision components, such as machine shafts and bearings.

λ¬΄μ‹¬μ—°μ‚­κΈ°λŠ” κ³ μ •λ°€μ˜ μ›ν†΅ν˜• 연삭을 κ°€λŠ₯ν•˜κ²Œ ν•˜μ—¬, λΆ€ν’ˆμ˜ μ§κ²½μ΄λ‚˜ μ›ν†΅ν˜• ν‘œλ©΄μ˜ 균일성을 μœ μ§€ν•˜λŠ” 데 νƒμ›”ν•©λ‹ˆλ‹€. 이 덕뢄에 μ •λ°€ν•œ λΆ€ν’ˆ(기계 μΆ•, 베어링 λ“±)을 μš”κ΅¬ν•˜λŠ” μ‚°μ—…μ—μ„œ μœ μš©ν•©λ‹ˆλ‹€.

🦾 Versatile Grinding for a Wide Range of Components

λ‹€μ–‘ν•œ λΆ€ν’ˆ μ—°μ‚­ κ°€λŠ₯

Since grinding is performed without fixing the workpiece, it allows for efficient processing regardless of the type or shape of the component.

λΆ€ν’ˆμ˜ κ³ μ • 없이 연삭이 이루어지기 λ•Œλ¬Έμ—, λΆ€ν’ˆμ˜ μ’…λ₯˜λ‚˜ ν˜•νƒœμ— ꡬ애받지 μ•Šκ³  효율적으둜 μž‘μ—…ν•  수 μžˆμŠ΅λ‹ˆλ‹€.


ORSKOREA NC & CNC
Centerless Grinding Machine
SGC Series

μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„ NC & CNC 무심(μ„Όν„°λ¦¬μŠ€)μ—°μ‚­κΈ°

ORSKOREA's centerless grinding machine series is designed to meet a wide range of machining requirements.

μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„μ˜ 무심연삭기 μ‹œλ¦¬μ¦ˆλŠ” λ‹€μ–‘ν•œ 가곡 μš”κ΅¬λ₯Ό μΆ©μ‘±ν•˜κΈ° μœ„ν•΄ μ„€κ³„λ˜μ—ˆμŠ΅λ‹ˆλ‹€.

Naming Rule

μ™œ SGC μ΄λƒκ³ μš”?

The series name consists of the common prefix "SGC" followed by a numerical value. "SGC" stands for "Super Grinding Centerless," highlighting the high precision and stability of the centerless grinding machines. The numerical value corresponds to the width of the regulating wheel (mm).

μ‹œλ¦¬μ¦ˆμ˜ 이름은 "SGC"λΌλŠ” κ³΅ν†΅λœ 접두어와 숫자둜 κ΅¬μ„±λ˜μ–΄ 있으며, "SGC"λŠ” "Super Grinding Centerless"의 μ•½μžλ‘œ, λ¬΄μ‹¬μ—°μ‚­κΈ°μ˜ κ³ μ •λ°€μ„±κ³Ό μ•ˆμ •μ„±μ„ κ°•μ‘°ν•©λ‹ˆλ‹€. μˆ«μžλŠ” μ§€μ„μ˜ 폭(mm)에 따라 λ‹¬λΌμ§€κ²Œ λ©λ‹ˆλ‹€.

Tailored to Your Manufacturing Needs :
From Small to Large Parts

μ†Œν˜•λΆ€ν„° λŒ€ν˜•λΆ€ν’ˆκΉŒμ§€ 가곡가λŠ₯ν•œ 무심연삭기

SGC series β“’ ORSKOREA μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„

The SGC series includes models designed for various workpiece sizes.

  • SGC 200 and SGC 300 feature a relatively narrow regulating wheel, making them ideal for small to medium-sized parts.
  • SGC 500, SGC 500K, and SGC 500C have a wider regulating wheel, allowing for efficient processing of large or heavy components.

SGC μ‹œλ¦¬μ¦ˆλŠ” λ‹€μ–‘ν•œ 가곡 μš”κ΅¬μ— 맞좰 μ„€κ³„λ˜μ—ˆμŠ΅λ‹ˆλ‹€.

  • SGC 200 및 SGC 300은 비ꡐ적 쒁은 지석을 κ°€μ§€κ³  μžˆμ–΄ μ†Œν˜• 및 μ€‘μ†Œν˜• λΆ€ν’ˆ 가곡에 μ ν•©ν•©λ‹ˆλ‹€.
  • SGC 500, SGC 500K, SGC 500CλŠ” μ§€μ„μ˜ 폭이 λ„“μ–΄ λŒ€ν˜• λΆ€ν’ˆ 및 μ€‘λŸ‰ λΆ€ν’ˆ 가곡에 μ ν•©ν•©λ‹ˆλ‹€.

Which parts can be machined by Centerless Grinding Machine?

λ¬΄μ‹¬μ—°μ‚­κΈ°λ‘œ 가곡할 수 μžˆλŠ” λΆ€ν’ˆλ“€μ€?

Centerless grinding machines are ideal for precision machining of components used across various industries. They play a crucial role, especially in sectors requiring high precision and mass production, such as automotive, bearings, machinery parts, molds, and hydraulic systems.

μ΄λŸ¬ν•œ λ¬΄μ‹¬μ—°μ‚­κΈ°λŠ” λ‹€μ–‘ν•œ μ‚°μ—…μ—μ„œ μ‚¬μš©λ˜λŠ” λΆ€ν’ˆμ„ μ •λ°€ν•˜κ²Œ κ°€κ³΅ν•˜λŠ” 데 μ ν•©ν•œ μž₯λΉ„μž…λ‹ˆλ‹€. 특히 μžλ™μ°¨, 베어링, 기계 λΆ€ν’ˆ, κΈˆν˜•, μœ μ•• μ‹œμŠ€ν…œ λ“± κ³ μ •λ°€μ„±κ³Ό λŒ€λŸ‰ 생산이 μš”κ΅¬λ˜λŠ” λΆ„μ•Όμ—μ„œ ν•„μˆ˜μ μΈ 역할을 ν•©λ‹ˆλ‹€.

In this post, we covered the fundamentals of centerless grinding machines.

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이번 ν¬μŠ€νŠΈμ—μ„œλŠ” 무심연삭기에 λŒ€ν•œ 기초적인 지식을 λ‹€λ€„λ΄€μŠ΅λ‹ˆλ‹€.

μ˜€μ•Œμ—μŠ€μ½”λ¦¬μ•„ λΈ”λ‘œκ·Έμ—μ„œλŠ” κ³΅μž‘κΈ°κ³„ μ‚°μ—… μ „λ¬Έκ°€λ“€μ—κ²Œ 도움을 μ£ΌλŠ” 지식을 κ³΅μœ ν•©λ‹ˆλ‹€. κ³΅μž‘κΈ°κ³„ λΏλ§Œμ•„λ‹ˆλΌ ν•΄μ™Έμ˜μ—…, 무역 수좜 λ“± λ‹€μ–‘ν•œ μ‚°μ—… λΆ„μ•Όμ˜ μ΅œμ‹  μΈμ‚¬μ΄νŠΈμ™€ μ†”λ£¨μ…˜μ„ λ°›μ•„λ³΄μ‹œλ €λ©΄ μ§€κΈˆ λ°”λ‘œ κ΅¬λ…ν•΄μ£Όμ„Έμš”!