What is Grinding Wheel? ์—ฐ์‚ญ ์ง€์„.. ๋„๋Œ€์ฒด ๋ญ”๋ฐ!?

By ORSKOREA 6 min read
What is Grinding Wheel? ์—ฐ์‚ญ ์ง€์„.. ๋„๋Œ€์ฒด ๋ญ”๋ฐ!?

What is a Grinding Wheel, and How is it Labeled?

๐Ÿ’ก
Grinding wheels are highly engineered products, made from diverse materials and specifications, and they play an important role in determining the efficiency and accuracy of grinding operations.
Weโ€™ll dive into the grinding wheels, which are essential components for precision grinding work that make all the difference in quality. Understanding how to read the labeling on grinding wheels can greatly enhance the precision and effectiveness of your grinding work.

In this post, weโ€™ll review the main components and labeling of grinding wheels to help you choose the best wheel for your needs. Let's get started on this essential guide to grinding wheel labeling and composition!

์—ฐ์‚ญ ์ง€์„์€ ๋‹ค์–‘ํ•œ ์žฌ๋ฃŒ์™€ ๋‹ค์–‘ํ•œ ๊ทœ๊ฒฉ์ด ๊ฒฐํ•ฉ๋œ ๊ณ ๋„์˜ ๊ธฐ์ˆ ์ด ๋‹ด๊ธด ์ œํ’ˆ์ž…๋‹ˆ๋‹ค. ์—ฐ์‚ญ ๊ฐ€๊ณต์˜ ํ•ต์‹ฌ ๋ถ€ํ’ˆ์ด์ž, ๊ทธ ํ’ˆ์งˆ์„ ์ขŒ์šฐํ•˜๋Š” ์—ฐ์‚ญ ์ง€์„(์ˆซ๋Œ ๋ฐ”ํ€ด)์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. ์—ฐ์‚ญ ์ง€์„์˜ ํ‘œ๊ธฐ ๋ฐฉ์‹์— ๋Œ€ํ•ด ์ž์„ธํžˆ ์ดํ•ดํ•˜๊ณ  ๋‚˜๋ฉด, ์—ฐ์‚ญ ๊ฐ€๊ณต์˜ ํšจ์œจ์„ฑ๊ณผ ์ •ํ™•์„ฑ์„ ํ•œ ์ธต ๋” ๋†’์ผ ์ˆ˜ ์žˆ๋Š”๋ฐ์š”.

์˜ค๋Š˜ ํฌ์ŠคํŒ…์—์„œ๋Š” ์—ฐ์‚ญ ์ง€์„์˜ ๊ตฌ์„ฑ ์š”์†Œ์™€ ํ‘œ๊ธฐ ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋ฉด์„œ, ์—ฐ์‚ญ ์ž‘์—…์˜ ํ’ˆ์งˆ์„ ๋†’์ด๋Š” ์ฒซ๊ฑธ์Œ์œผ๋กœ ํ•จ๊ป˜ ์‹œ์ž‘ํ•ด๋ณผ๊นŒ์š”?

What is a Grinding Wheel?

์—ฐ์‚ญ ์ง€์„์ด๋ž€ ๋ฌด์—‡์ผ๊นŒ์š”? ๐Ÿค”

(์ขŒ left) SGC 500, 500K์˜ Grinding Wheel | (์šฐ right) SGC 150์˜ Grinding Wheel โ“’ ORSKOREA ์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„

Grinding wheel is indispensable for precisely machining metals, ceramics, and other materials. Itโ€™s more than just a stone; itโ€™s a sophisticated assembly of cutting grains bonded together by a matrix, or binder, specifically designed for optimal performance in material removal.

The structure and performance of a grinding wheel depend heavily on its three main elements: Abrasive grains, Bond material, and Pores.

Each of these has a unique role, and they work together to affect the final product's grinding process, efficiency, and quality.

์—ฐ์‚ญ ์ง€์„, ํ”ํžˆ ์ˆซ๋Œ ๋ฐ”ํ€ด(Grinding Wheel)๋ผ๊ณ ๋„ ๋ถˆ๋ฆฌ๋Š” ์ด ๋„๊ตฌ๋Š” ๊ธˆ์†, ์„ธ๋ผ๋ฏน ๋“ฑ ๋‹ค์–‘ํ•œ ์†Œ์žฌ๋ฅผ ์ •๋ฐ€ํ•˜๊ฒŒ ๊ฐ€๊ณตํ•˜๋Š”๋ฐ ์—†์–ด์„œ๋Š” ์•ˆ ๋  ์ค‘์š”ํ•œ ๋„๊ตฌ์ž…๋‹ˆ๋‹ค.

์—ฐ์‚ญ ์ž‘์—…์—์„œ ์ค‘์š”ํ•œ ์ด ์—ฐ์‚ญ ์ง€์„์€ ๋‹จ์ˆœํ•œ ์ˆซ๋Œ์ด ์•„๋‹Œ, ์ ˆ์‚ญ ๊ธฐ๋Šฅ์„ ๊ฐ–์ถ˜ ์ž…์ž์™€ ๊ทธ ์ž…์ž๋“ค์„ ๊ฒฐํ•ฉํ•˜๋Š” ๊ฒฐํ•ฉ์ œ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.

ํŠนํžˆ, ์—ฐ์‚ญ ์ง€์„์˜ ๊ตฌ์กฐ์™€ ์„ฑ๋Šฅ์€ ์—ฐ์‚ญ ์ž…์ž, ๊ฒฐํ•ฉ์ œ, ๊ทธ๋ฆฌ๊ณ  ๊ธฐ๊ณต์ด๋ผ๋Š” ์„ธ ๊ฐ€์ง€ ์š”์†Œ์— ์˜ํ•ด ์ขŒ์šฐ๋ฉ๋‹ˆ๋‹ค. ๊ฐ๊ฐ์˜ ํŠน์„ฑ์— ๋”ฐ๋ผ ์—ฐ์‚ญ ์ž‘์—…์˜ ํ’ˆ์งˆ๊ณผ ํšจ์œจ์„ฑ์„ ํฌ๊ฒŒ ์ขŒ์šฐํ•ฉ๋‹ˆ๋‹ค.


Main Components of Grinding Wheel

์—ฐ์‚ญ ์ง€์„์˜ ์ฃผ์š” ๊ตฌ์„ฑ์š”์†Œ

Components 3 & 5 factors of grinding whetstone (ground stone) | ์—ฐ์‚ญ ์ˆซ๋Œ (์ง€์„)์˜ ๊ตฌ์„ฑ์š”์†Œ 3์š”์†Œ & 5์ธ์ž โ“’ ORSKOREA ์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„

The performance of a grinding wheel is determined by five key factors: abrasive grains, grain size, grade, structure, and bond. Each of these components plays a unique role, and different combinations of these factors alter the wheel's usage and performance.

์—ฐ์‚ญ ์ง€์„์€ ์—ฐ์‚ญ ์ž…์ž, ์ž…๋„, ๊ฒฐํ•ฉ๋„, ์กฐ์ง, ๊ฒฐํ•ฉ์ œ๋ผ๋Š” ๋‹ค์„ฏ ๊ฐ€์ง€ ์ฃผ์š” ์š”์†Œ์— ๋”ฐ๋ผ ๊ทธ ์„ฑ๋Šฅ์ด ๊ฒฐ์ •๋ฉ๋‹ˆ๋‹ค. ์ด ์š”์†Œ๋“ค์€ ๊ฐ๊ฐ ๋‹ค๋ฅธ ์—ญํ• ์„ ํ•˜๋ฉฐ, ์กฐํ•ฉ์— ๋”ฐ๋ผ ์—ฐ์‚ญ ์ง€์„์˜ ์šฉ๋„์™€ ์„ฑ๋Šฅ์ด ๋‹ฌ๋ผ์ง‘๋‹ˆ๋‹ค.

Let's briefly look at each component :
๊ฐ„๋‹จํžˆ ๊ตฌ์„ฑ ์š”์†Œ๋ฅผ ์‚ดํŽด๋ณด๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค :

Abrasive Grains ์—ฐ์‚ญ ์ž…์ž

These serve as the cutting edges of the wheel and must be harder than the material being processed.

์ˆซ๋Œ์˜ ์ ˆ์‚ญ ๋‚  ์—ญํ• ์„ ํ•˜๋ฉฐ, ๊ฐ€๊ณตํ•  ์žฌ๋ฃŒ๋ณด๋‹ค ๋” ๋‹จ๋‹จํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

Grain Size ์ž…๋„

The size of the abrasive particles; lower numbers mean coarser grains, while higher numbers indicate finer grains.

์ˆซ๋Œ์˜ ์ž…์ž ํฌ๊ธฐ๋ฅผ ๋‚˜ํƒ€๋‚ด๋ฉฐ, ์ˆซ์ž๊ฐ€ ๋‚ฎ์„์ˆ˜๋ก ๊ฑฐ์น ๊ณ , ๋†’์„์ˆ˜๋ก ๊ณ ์šด ์ž…์ž๋ฅผ ๋œปํ•ฉ๋‹ˆ๋‹ค.

Grade ๊ฒฐํ•ฉ๋„

How strongly the abrasive particles are bonded within the wheel.

์ž…์ž๋“ค์ด ๊ฒฐํ•ฉ์ œ์— ์–ผ๋งˆ๋‚˜ ๊ฐ•ํ•˜๊ฒŒ ๊ฒฐํ•ฉ๋˜์–ด ์žˆ๋Š”์ง€๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.

Structure ์กฐ์ง

The size of the pores and the density of the particles in the wheel, categorized into open (coarse) and dense structures.

์—ฐ์‚ญ ์ง€์„์˜ ๊ธฐ๊ณต ํฌ๊ธฐ ๋ฐ ์ž…์ž์˜ ๋ฐ€๋„๋ฅผ ์˜๋ฏธํ•˜๋ฉฐ, ๊ฑฐ์นœ ์กฐ์ง๊ณผ ์น˜๋ฐ€ํ•œ ์กฐ์ง์œผ๋กœ ๋‚˜๋‰ฉ๋‹ˆ๋‹ค.

Bond ๊ฒฐํ•ฉ์ œ

The bonding agent that forms the wheel and varies depending on its intended purpose.

์—ฐ์‚ญ ์ง€์„์„ ํ˜•์„ฑํ•˜๋Š” ๊ฒฐํ•ฉ ์„ฑ๋ถ„์œผ๋กœ, ์‚ฌ์šฉ ๋ชฉ์ ์— ๋”ฐ๋ผ ์ข…๋ฅ˜๊ฐ€ ๋‹ค๋ฆ…๋‹ˆ๋‹ค.


Understanding the definition of a grinding wheel is just the beginning of our journey into the world of precision grinding.

In our next blog post, weโ€™ll dive deeper into grinding wheel label analysis, helping you decode the critical information behind these labels to ensure optimal use and performance. Stay tuned as we continue to explore this fascinating topic in our blog series.

At ORSKOREA, weโ€™re committed to sharing knowledge that empowers professionals in the grinding industry. Donโ€™t forget to subscribe to stay updated on the latest insights and solutions!

์—ฐ์‚ญ ํœ ์˜ ์ •์˜๋ฅผ ์ดํ•ดํ•˜๋Š” ๊ฒƒ์€ ์ •๋ฐ€ ์—ฐ์‚ญ ์„ธ๊ณ„๋กœ์˜ ์—ฌ์ •์„ ์‹œ์ž‘ํ•˜๋Š” ์ฒซ๊ฑธ์Œ์— ๋ถˆ๊ณผํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ์—์„œ๋Š” ์—ฐ์‚ญ ํœ  ๋ผ๋ฒจ ๋ถ„์„์„ ๋‹ค๋ฃจ๋ฉฐ, ๋ผ๋ฒจ์— ์ˆจ๊ฒจ์ง„ ์ค‘์š”ํ•œ ์ •๋ณด๋ฅผ ํ•ด๋…ํ•˜์—ฌ ์ตœ์ ์˜ ์‚ฌ์šฉ ๋ฐ ์„ฑ๋Šฅ์„ ๋ณด์žฅํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ๋ ค๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค. ์ด ํฅ๋ฏธ๋กœ์šด ์ฃผ์ œ๋ฅผ ์‹ฌ์ธต์ ์œผ๋กœ ๋‹ค๋ฃฐ ๋ธ”๋กœ๊ทธ ์‹œ๋ฆฌ์ฆˆ๋ฅผ ๊ธฐ๋Œ€ํ•ด์ฃผ์„ธ์š”.

ORSKOREA ๋ธ”๋กœ๊ทธ์—์„œ๋Š” ์—ฐ์‚ญ ์‚ฐ์—… ์ „๋ฌธ๊ฐ€๋“ค์—๊ฒŒ ๋„์›€์„ ์ฃผ๋Š” ์ง€์‹์„ ๊ณต์œ ํ•ฉ๋‹ˆ๋‹ค.

๊ณต์ž‘๊ธฐ๊ณ„ ๋ถ„์•ผ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋‹ค์–‘ํ•œ ์‚ฐ์—… ๋ถ„์•ผ์˜ ์ตœ์‹  ์ธ์‚ฌ์ดํŠธ์™€ ์†”๋ฃจ์…˜์„ ๋ฐ›์•„๋ณด์‹œ๋ ค๋ฉด ์ง€๊ธˆ ๋ฐ”๋กœ ๊ตฌ๋…ํ•ด์ฃผ์„ธ์š”!


Editted by Yoonseung Han
Project Planning Intern

Written by Benedict (Jungwook) Lee
Production Management Associate
ORSKOREA


โ“’ ORSKOREA ์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„

ORSKOREA is an ISO9001-certified company, and a leading grinding machines and spindle manufacturer in Korea.

ORSKOREA's product range for grinding machines includes internal, external, centerless, surface horizontal double disc, surface vertical double disc, cylindrical grinding machines and super-finishing machines, turning machines, and special-purpose grinding machines.

For spindles, ORSKOREA manufactures high-frequency spindles, belt-driven spindles, built-in-motor spindles, and hydraulic spindles - all controllable at desired speeds.

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