Air Bearing Spindle Technology: A Technical Consulting Case ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ๊ธฐ์ˆ  ๊ณ ๋„ํ™”: ๊ธฐ์ˆ  ์ปจ์„คํŒ… ์‚ฌ๋ก€

By ORSKOREA 10 min read
Air Bearing Spindle Technology: A Technical Consulting Case ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ๊ธฐ์ˆ  ๊ณ ๋„ํ™”: ๊ธฐ์ˆ  ์ปจ์„คํŒ… ์‚ฌ๋ก€
๐Ÿ’ก
Air bearing technology plays an important role in precision spindle applications where high rotational accuracy and low friction are required. In our previous article, we introduced the operating principles of air bearings and their applications across precision manufacturing industries. In this follow-up, we look at ORSKOREAโ€™s ongoing technical exchange with an experienced Japanese spindle specialist and explore how technical consulting and practical training are being used to further review and develop air bearing spindle technology.

์—์–ด๋ฒ ์–ด๋ง ๊ธฐ์ˆ ์€ ๋†’์€ ํšŒ์ „ ์ •๋ฐ€๋„์™€ ๋‚ฎ์€ ๋งˆ์ฐฐ์ด ์š”๊ตฌ๋˜๋Š” ์ •๋ฐ€ ์Šคํ•€๋“ค ๋ถ„์•ผ์—์„œ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•ฉ๋‹ˆ๋‹ค. ์ง€๋‚œ ๊ธ€์—์„œ๋Š” ์—์–ด๋ฒ ์–ด๋ง์˜ ์ž‘๋™ ์›๋ฆฌ์™€ ์ •๋ฐ€ ์ œ์กฐ ์‚ฐ์—…์—์„œ์˜ ์ฃผ์š” ์ ์šฉ ๋ถ„์•ผ๋ฅผ ์‚ดํŽด๋ดค์Šต๋‹ˆ๋‹ค. ์ด๋ฒˆ ๊ธ€์—์„œ๋Š” ์ผ๋ณธ์˜ ์Šคํ•€๋“ค ์ „๋ฌธ ๊ธฐ์ˆ ์ง„๊ณผ ์ด์–ด๊ฐ€๊ณ  ์žˆ๋Š” ๊ธฐ์ˆ  ๊ต๋ฅ˜๋ฅผ ์†Œ๊ฐœํ•˜๊ณ , ๊ธฐ์ˆ  ์ปจ์„คํŒ…๊ณผ ์‹ค๋ฌด ๊ต์œก์„ ํ†ตํ•ด ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ๊ธฐ์ˆ ์„ ์–ด๋–ป๊ฒŒ ๊ฒ€ํ† ํ•˜๊ณ  ๋ฐœ์ „์‹œํ‚ค๊ณ  ์žˆ๋Š”์ง€ ์‚ดํŽด๋ด…๋‹ˆ๋‹ค.

Previous article provides additional background on air spindle technology, from its operating principles to representative industrial applications.

์—์–ด ์Šคํ•€๋“ค ๊ธฐ์ˆ ์˜ ์ž‘๋™ ์›๋ฆฌ๋ถ€ํ„ฐ ๋Œ€ํ‘œ์ ์ธ ์‚ฐ์—… ์ ์šฉ ์‚ฌ๋ก€๊นŒ์ง€, ๊ด€๋ จ ๊ธฐ์ˆ  ๋ฐฐ๊ฒฝ์€ ์•„๋ž˜ ์ด์ „ ์ฝ˜ํ…์ธ ์—์„œ ํ™•์ธํ•˜์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Air bearing spindle for high-precision applications
What Is an Air Bearing Spindle? Types and Applications
์—์–ด ์Šคํ•€๋“ค์ด๋ž€? ์ข…๋ฅ˜์™€ ์ ์šฉ ์‚ฐ์—…
Read the Article | ์•„ํ‹ฐํด ๋ฐ”๋กœ๊ฐ€๊ธฐ โ†’

From Precision Spindle Technology to Air Bearing Development

์ •๋ฐ€ ์Šคํ•€๋“ค ๊ธฐ์ˆ ์—์„œ ์—์–ด๋ฒ ์–ด๋ง ๊ธฐ์ˆ  ๊ฐœ๋ฐœ๋กœ

Precision spindle technology exchange at ORSKOREA
Precision Spindle Technology Exchange for the Semiconductor Industry: Japanese Technical Advisor Invited
๋ฐ˜๋„์ฒด ์‚ฐ์—… ์ •๋ฐ€ ์Šคํ•€๋“ค ๊ธฐ์ˆ  ๊ต๋ฅ˜ ์‚ฌ๋ก€: ์ผ๋ณธ ๊ธฐ์ˆ  ๊ณ ๋ฌธ ์ดˆ์ฒญ
Read the Article | ์•„ํ‹ฐํด ๋ฐ”๋กœ๊ฐ€๊ธฐ โ†’

In our previous technical exchange with Japanese technical advisor Masafumi Kanetomo, ORSKOREA explored key considerations in precision spindle technology for semiconductor applications.

Building on that exchange, our technical discussions have now expanded toward air bearing spindle technology, with a focus on how air bearings can be applied to high-speed and precision spindle systems.

Through continued technical consulting and practical discussions, ORSKOREA is reviewing different air bearing concepts and their potential applications while further strengthening its spindle engineering capabilities.

์•ž์„  ๊ธฐ์ˆ  ๊ต๋ฅ˜์—์„œ ์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„๋Š” ์ผ๋ณธ ๊ธฐ์ˆ  ๊ณ ๋ฌธ Masafumi Kanetomo์™€ ํ•จ๊ป˜ ๋ฐ˜๋„์ฒด ์‚ฐ์—…์— ์ ์šฉ๋˜๋Š” ์ •๋ฐ€ ์Šคํ•€๋“ค ๊ธฐ์ˆ ์˜ ์ฃผ์š” ์š”์†Œ๋ฅผ ์‚ดํŽด๋ดค์Šต๋‹ˆ๋‹ค.

์ด๋Ÿฌํ•œ ๊ต๋ฅ˜๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ํ˜„์žฌ๋Š” ๊ธฐ์ˆ  ๊ฒ€ํ†  ๋ฒ”์œ„๋ฅผ ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ๊ธฐ์ˆ ๋กœ ํ™•์žฅํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ํŠนํžˆ ์—์–ด๋ฒ ์–ด๋ง์„ ๊ณ ์†ยท์ •๋ฐ€ ์Šคํ•€๋“ค์— ์–ด๋–ป๊ฒŒ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋Š”์ง€์— ์ดˆ์ ์„ ๋งž์ถฐ ๊ธฐ์ˆ ์  ๊ฐ€๋Šฅ์„ฑ์„ ๊ฒ€ํ† ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์ง€์†์ ์ธ ๊ธฐ์ˆ  ์ปจ์„คํŒ…๊ณผ ์‹ค๋ฌด ๋…ผ์˜๋ฅผ ํ†ตํ•ด ๋‹ค์–‘ํ•œ ์—์–ด๋ฒ ์–ด๋ง ๊ตฌ์กฐ์™€ ์ ์šฉ ๊ฐ€๋Šฅ์„ฑ์„ ์‚ดํŽด๋ณด๋ฉฐ, ์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„์˜ ์Šคํ•€๋“ค ์—”์ง€๋‹ˆ์–ด๋ง ์—ญ๋Ÿ‰์„ ํ•œ์ธต ๋” ํ™•์žฅํ•ด ๋‚˜๊ฐ€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

What Should Be Considered in Air Bearing Spindle Design?

์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ์„ค๊ณ„ ์‹œ ๋ฌด์—‡์„ ๊ณ ๋ คํ•ด์•ผ ํ• ๊นŒ?

Air bearing spindle design begins with a clear understanding of the application and operating conditions. Required rotational speed, machining load, rotational accuracy, installation space, and operating environment all influence the spindle configuration.

For externally pressurized air bearing systems, air supply conditions are also critical. Supply pressure, air cleanliness, mounting conditions, and thermal management must be considered together to maintain stable performance during operation.

Another important factor is the air bearing structure itself. Different approaches, such as air-pocket and porous designs, distribute and control air differently. Each structure has its own characteristics, making the appropriate configuration dependent on the spindleโ€™s speed, load, accuracy, and application requirements.

Key question is not simply whether an air bearing can be used, but how the bearing structure should be integrated into the spindle to meet the required performance.

์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ์„ค๊ณ„๋Š” ์‹ค์ œ ์ ์šฉ ๊ณต์ •๊ณผ ์šด์ „ ์กฐ๊ฑด์„ ์ •ํ™•ํžˆ ํŒŒ์•…ํ•˜๋Š” ๊ฒƒ์—์„œ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค. ์š”๊ตฌ ํšŒ์ „์†๋„์™€ ๊ฐ€๊ณต ํ•˜์ค‘, ํšŒ์ „ ์ •๋ฐ€๋„, ์„ค์น˜ ๊ณต๊ฐ„, ์šด์ „ ํ™˜๊ฒฝ ๋“ฑ์— ๋”ฐ๋ผ ์ ํ•ฉํ•œ ์Šคํ•€๋“ค ๊ตฌ์„ฑ์ด ๋‹ฌ๋ผ์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์™ธ๋ถ€์—์„œ ์••์ถ•๊ณต๊ธฐ๋ฅผ ๊ณต๊ธ‰ํ•˜๋Š” ๊ณต๊ธฐ ์ •์•• ๋ฐฉ์‹์˜ ๊ฒฝ์šฐ์—๋Š” ๊ณต๊ธฐ ๊ณต๊ธ‰ ์กฐ๊ฑด๋„ ์ค‘์š”ํ•œ ๊ฒ€ํ†  ์š”์†Œ์ž…๋‹ˆ๋‹ค. ๊ณต๊ธ‰ ์••๋ ฅ๊ณผ ๊ณต๊ธฐ ์ฒญ์ •๋„๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์žฅ์ฐฉ ์กฐ๊ฑด๊ณผ ์—ด ๊ด€๋ฆฌ๊นŒ์ง€ ํ•จ๊ป˜ ๊ณ ๋ คํ•ด์•ผ ์•ˆ์ •์ ์ธ ์šด์ „ ์„ฑ๋Šฅ์„ ํ™•๋ณดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์—์–ด๋ฒ ์–ด๋ง์˜ ๊ตฌ์กฐ ์—ญ์‹œ ์ค‘์š”ํ•œ ์š”์†Œ์ž…๋‹ˆ๋‹ค. ์—์–ดํฌ์ผ“ ๋ฐฉ์‹๊ณผ ๋‹ค๊ณต์งˆ ๋ฐฉ์‹์ฒ˜๋Ÿผ ๊ณต๊ธฐ๋ฅผ ๊ณต๊ธ‰ํ•˜๊ณ  ๋ถ„๋ฐฐํ•˜๋Š” ๊ตฌ์กฐ์— ๋”ฐ๋ผ ๊ฐ๊ฐ์˜ ํŠน์„ฑ์ด ๋‹ฌ๋ผ์ง€๋ฉฐ, ์š”๊ตฌ ํšŒ์ „์†๋„์™€ ํ•˜์ค‘, ์ •๋ฐ€๋„, ์ ์šฉ ํ™˜๊ฒฝ์— ๋”ฐ๋ผ ์ ํ•ฉํ•œ ๊ตฌ์กฐ๋ฅผ ๊ฒ€ํ† ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์ค‘์š”ํ•œ ๊ฒƒ์€ ๋‹จ์ˆœํžˆ ์—์–ด๋ฒ ์–ด๋ง์„ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋Š”์ง€๊ฐ€ ์•„๋‹ˆ๋ผ, ์š”๊ตฌ ์„ฑ๋Šฅ์„ ๋งŒ์กฑํ•˜๋„๋ก ์–ด๋–ค ๊ตฌ์กฐ๋กœ ์Šคํ•€๋“ค์— ์ ์šฉํ•  ๊ฒƒ์ธ์ง€๋ฅผ ๊ฒ€ํ† ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

Technical Consulting for Air Bearing Spindle Applications

์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ์ ์šฉ์„ ์œ„ํ•œ ๊ธฐ์ˆ  ์ปจ์„คํŒ…

Discussions focus on understanding different air bearing structures, reviewing material and manufacturing considerations, and studying how these technologies can be applied to high-speed and precision spindle systems.

As part of this technical exchange, we are also looking at broader application trends in semiconductor and precision manufacturing, where air bearing spindles are used in processes that require high rotational accuracy, low friction, and stable high-speed operation.

Rather than focusing on a single spindle configuration, the consulting process is intended to compare different technical approaches and identify suitable directions depending on the equipment, process conditions, and required performance.

๊ธฐ์ˆ  ๋…ผ์˜์—์„œ๋Š” ๋‹ค์–‘ํ•œ ์—์–ด๋ฒ ์–ด๋ง ๊ตฌ์กฐ์˜ ํŠน์„ฑ์„ ์ดํ•ดํ•˜๋Š” ๊ฒƒ์„ ๋น„๋กฏํ•ด, ์†Œ์žฌ ๋ฐ ์ œ์กฐ ๋ฐฉ์‹์—์„œ ๊ณ ๋ คํ•ด์•ผ ํ•  ์š”์†Œ์™€ ์ด๋Ÿฌํ•œ ๊ธฐ์ˆ ์„ ๊ณ ์†ยท์ •๋ฐ€ ์Šคํ•€๋“ค์— ์–ด๋–ป๊ฒŒ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ ํ•จ๊ป˜ ์‚ดํŽด๋ณด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

๋˜ํ•œ ๋†’์€ ํšŒ์ „ ์ •๋ฐ€๋„์™€ ๋‚ฎ์€ ๋งˆ์ฐฐ, ์•ˆ์ •์ ์ธ ๊ณ ์† ์šด์ „์ด ์š”๊ตฌ๋˜๋Š” ๋ฐ˜๋„์ฒด ๋ฐ ์ •๋ฐ€ ์ œ์กฐ ๋ถ„์•ผ๋ฅผ ์ค‘์‹ฌ์œผ๋กœ ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค์˜ ์ฃผ์š” ์ ์šฉ ์‚ฌ๋ก€์™€ ๊ธฐ์ˆ  ๋™ํ–ฅ๋„ ํ•จ๊ป˜ ๊ฒ€ํ† ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

ํŠน์ •ํ•œ ํ•˜๋‚˜์˜ ์Šคํ•€๋“ค ๊ตฌ์กฐ๋ฅผ ์ „์ œ๋กœ ํ•˜๊ธฐ๋ณด๋‹ค, ๋‹ค์–‘ํ•œ ๊ธฐ์ˆ ์  ์ ‘๊ทผ ๋ฐฉ์‹์„ ๋น„๊ตํ•˜๊ณ  ์žฅ๋น„์™€ ๊ณต์ • ์กฐ๊ฑด, ์š”๊ตฌ ์„ฑ๋Šฅ์— ๋”ฐ๋ผ ์ ํ•ฉํ•œ ๋ฐฉํ–ฅ์„ ์ฐพ๋Š” ๊ฒƒ์ด ์ด๋ฒˆ ๊ธฐ์ˆ  ์ปจ์„คํŒ…์˜ ํ•ต์‹ฌ์ž…๋‹ˆ๋‹ค.

Expanding ORSKOREAโ€™s Air Bearing Spindle Engineering Capabilities

์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„์˜ ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค ์—”์ง€๋‹ˆ์–ด๋ง ์—ญ๋Ÿ‰ ํ™•๋Œ€

ORSKOREA has built practical spindle engineering capabilities through the design, manufacturing, testing, repair, and retrofit of various spindle systems.

This accumulated experience provides a technical foundation for reviewing new spindle applications, including air bearing spindle technology. By combining our existing high-speed spindle engineering experience with ongoing technical consulting and external technical exchange, we are continuing to expand our ability to respond to more demanding precision applications.

Our approach is not limited to developing a spindle as an individual component. We also consider how the spindle will interact with the equipment, process conditions, installation environment, and required performance.

For customers considering air bearing technology for a new spindle or an existing machine, ORSKOREA can review application requirements, operating conditions, and target performance to explore an appropriate engineering direction.

์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„๋Š” ๋‹ค์–‘ํ•œ ์Šคํ•€๋“ค์˜ ์„ค๊ณ„, ์ œ์ž‘, ์„ฑ๋Šฅ ํ…Œ์ŠคํŠธ, ์ˆ˜๋ฆฌ ๋ฐ ๋ฆฌํŠธ๋กœํ•์„ ์ˆ˜ํ–‰ํ•˜๋ฉฐ ์‹ค๋ฌด ์ค‘์‹ฌ์˜ ์Šคํ•€๋“ค ์—”์ง€๋‹ˆ์–ด๋ง ์—ญ๋Ÿ‰์„ ์ถ•์ ํ•ด ์™”์Šต๋‹ˆ๋‹ค.

์ด๋Ÿฌํ•œ ๊ฒฝํ—˜์€ ์—์–ด๋ฒ ์–ด๋ง ์Šคํ•€๋“ค๊ณผ ๊ฐ™์€ ์ƒˆ๋กœ์šด ์ ์šฉ ๋ถ„์•ผ๋ฅผ ๊ฒ€ํ† ํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ์ˆ ์  ๊ธฐ๋ฐ˜์ด ๋ฉ๋‹ˆ๋‹ค. ๊ธฐ์กด์˜ ๊ณ ์† ์Šคํ•€๋“ค ์—”์ง€๋‹ˆ์–ด๋ง ๊ฒฝํ—˜์— ์ง€์†์ ์ธ ๊ธฐ์ˆ  ์ปจ์„คํŒ…๊ณผ ์™ธ๋ถ€ ๊ธฐ์ˆ  ๊ต๋ฅ˜๋ฅผ ๋”ํ•ด, ๋ณด๋‹ค ๋†’์€ ์ •๋ฐ€๋„๊ฐ€ ์š”๊ตฌ๋˜๋Š” ๋ถ„์•ผ์— ๋Œ€์‘ํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ธฐ์ˆ  ์—ญ๋Ÿ‰์„ ํ™•์žฅํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์˜ค์•Œ์—์Šค์ฝ”๋ฆฌ์•„๋Š” ์Šคํ•€๋“ค์„ ํ•˜๋‚˜์˜ ๊ฐœ๋ณ„ ๋ถ€ํ’ˆ์œผ๋กœ๋งŒ ์ ‘๊ทผํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์‹ค์ œ ์žฅ๋น„์™€์˜ ์—ฐ๊ณ„์„ฑ, ๊ณต์ • ์กฐ๊ฑด, ์„ค์น˜ ํ™˜๊ฒฝ, ์š”๊ตฌ ์„ฑ๋Šฅ๊นŒ์ง€ ํ•จ๊ป˜ ๊ณ ๋ คํ•˜์—ฌ ์ ์šฉ ๋ฐฉํ–ฅ์„ ๊ฒ€ํ† ํ•ฉ๋‹ˆ๋‹ค.

์‹ ๊ทœ ์Šคํ•€๋“ค ๊ฐœ๋ฐœ์ด๋‚˜ ๊ธฐ์กด ์žฅ๋น„์— ์—์–ด๋ฒ ์–ด๋ง ์ ์šฉ์„ ๊ฒ€ํ† ํ•˜๊ณ  ์žˆ๋‹ค๋ฉด, ์ ์šฉ ๊ณต์ •๊ณผ ์šด์ „ ์กฐ๊ฑด, ๋ชฉํ‘œ ์„ฑ๋Šฅ์„ ๋ฐ”ํƒ•์œผ๋กœ ์ ํ•ฉํ•œ ๊ธฐ์ˆ  ๋ฐฉํ–ฅ์„ ํ•จ๊ป˜ ๊ฒ€ํ† ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.


Written by Seungheon Kang
Global B2B Sales Associate,

Edited by Seonghyeon Son
Strategic Marketing Specialist
ORSKOREA