½ºÆåÆ®·³ ºÐ¼®(Spectrum Analysis)-±â°èÀû°áÇÔ
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±â°èÀû°áÇÔ(¿ä¾àÇ¥)
¼³ºñÀÇ ±â°èÀû°áÇÔ ¿©ºÎ¸¦ Áøµ¿½ºÆåÆ®·³ ÁÖÆļö ±×·¡ÇÁ¸¦ ÅëÇؼ È®ÀÎÇØ º¼ ¼ö ÀÖ´Ù. ¾Æ·¡ÀÇ Ç¥´Â ±â°èÀû °áÇÔ¿¡ °ü·ÃµÈ Â÷¼öºÐ¼®ÀÇ ±ÔÄ¢À» ¿ä¾àÇØ ³õÀº °ÍÀÌ´Ù. ±×·¯³ª ÀÌ Ç¥¸¦ ¸ðµÎ ¾Ï±âÇÏ°í ÀÌÇØÇÑ´Ù°í ÇÏ´õ¶óµµ ±â°èÀÇ Áøµ¿Áø´ÜÀº ¶Ç ¸¹Àº ¹®Á¦¸¦ °¡Áö°í ÀÖÀ¸¹Ç·Î ´ÜÁö ±âº»À» À§ÇÑ ÂüÁ¶·Î È°¿ëµÈ´Ù°í ÀÌÇØÇÏ¸é µÈ´Ù.
Ç׸ñ
| Çö»ó
| ºñ°í
|
Unbalance
| 1X(Radial)
| À§»ó¾ÈÁ¤
|
Misalignment
| 2X, 1,2,3X
| ¾çÂÊ Inboard Bearing¿¡¼ÀÇ 180 À§»óÂ÷
|
Bent shaft
| 1X(Axial)
| - À§Çè¼Óµµ Åë°ú ½Ã ±Þ°ÝÇÑ Áøµ¿ °¨¼Ò,»ó½Â
- ±â°èÀÇ º£¾î¸µ ¾ç´Ü¿¡¼ À§»ó 180 Â÷ÀÌ
|
Sleeve bearing wear, excessive clearance
| 1,2,3,¡¦X, 0.5X
| ºÒ¾ÈÀû À§»ó°¢,
0.42~0.48X(oil whirl)
|
Resonance
| ƯÁ¤ÁÖÆļö Áøµ¿ÁõÆø
| Balancing°¨µµ Áõ°¡
|
looseness
| 1,2,3,¡¦X,
1/2,1/3,1/4¡¦X
| boltÀÌ¿Ï,
|
Eccentricity
| 1X
| Balancing ÈÄ ¹Ý°æ¹æÇâ Áß ÇÑÂÊ ¹æÇ⸸ °¨¼Ò,
|
Distortion
| 1X, GMF, 2Lf
| Soft foot, ºÒ±ÕÀϿµµºÐÆ÷, Balancing & Alignment¾î·Á¿ò.
|
Rub
| 1,2,3,¡¦X,
1/2,1/3,1/4¡¦X
| Looseness¿Í À¯»ç, À±È°
|
Belt
| ¥ðdn/L
| ¹Ý°æ¹æÇâÀÇ 2Xbelt
|
Beat
| 1X ¶Ç´Â ƯÁ¤ÁÖÆļö
| Àü±â¿Í ȸÀü¼öÀÇ °£¼· ¶Ç´Â ±ÙÁ¢ÇÑ 2°³ÀÇ ÁÖÆļö°£ÀÇ °£¼·(ÁøÆøÀÌ »ó½Â ¹× ÇÏ° ¹Ýº¹)
|
Rolling bearing
| BPFI=0.6Nf, BPFO=0.4Nf, FTF=0.4f
|
BPFI =(N*f/2) [1+(d/D) COS¥Õ]
BPFO = (N*f/2)[1-(d/D) COS¥Õ]
BSF = (D*f/2d)[1-((d/D) COS¥Õ)^2]
FTF=(f/2) [1-(d/D) COS¥Õ]
|
TEL: 02-6480-9991, sales@astint.co.kr Copyright, ¿¡ÀÌ¿¡½ºÆ¼(AST) , www.ASTint.co.kr
Order, TS, ¼³ºñÁø´Ü±âº»¿ë¾î, 1X, ½ºÆåÆ®·³, Spectrum, Áøµ¿ÁÖÆļö, ±â°èÀû°áÇÔ