¡á ï³í¸ BRAKE MOTOR
1. MOTOR°¡ °¡Áö´Â Ư¡
±³·ù ¹«¿©ÀÚ ÀÛµ¿Çü ï³í¸BRAKE¸¦ MOTOR ýÝ»¿¡ ÀåÂøÇÏ¿© Àü¿øÀÇ OFF¿Í µ¿½Ã¿¡ MOTOR°¡ ¼ø½Ã Á¤Áö ÇÏ¿© ºÎÇϸ¦ ÜÁò¥ÇϹǷΠ¼öÁ÷¿îµ¿ÀÇ À§Ä¡ Á¦¾î¿¡ Àû¿ëÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù.
ÜÁò¥ÕôÀº 1.5 Kg¡¤cm ¡ 5.0 Kg¡¤cmÀÌ¸ç µ¿·Â¿øÀ¸·Î MOTOR¸¦ »ç¿ëÇÏ¿© ´Ü½Ã°£¿¡ MOTOR¸¦ Á¤Áö½ÃÅ°°í ±× ºÎÇϸ¦ Á¤À§Ä¡¿¡¼ À¯ÁöÇÏ°íÀÚ ÇÒ °æ¿ì¿¡ INDUCTION MOTOR¿¡¼´Â Àü¿øÀ» OFF ½ÃÄѵµ ¼ø°£ÀûÀ¸·Î Á¤ÁöÇÏÁö ¾Ê°í ȸÀüÇÏ´ø ¿îµ¿·ÂÀ¸·Î ÀÎÇØ 5¡6ȸÀü OVER RUNÇÕ´Ï´Ù. (´Ü MOTOR ´ÜÇ° ¹«ºÎÇÏÀÇ °æ¿ì)
µû¶ó¼ ¼ø°£ÀûÀ¸·Î MOTOR¸¦ Á¤Áö½ÃÅ°°í ½ÍÀ» ¶§¿¡´Â BRAKE PACKÀ» »ç¿ëÇϳª BRAKE PACKÀº MOTOR¸¦ ¼ø½ÃÁ¤Áö ½ÃÅ°´Â °ÍÀÌ °¡´ÉÇÑ BRAKE ȸ·ÎÀÌÁö¸¸ ºÎÇϸ¦ ÜÁò¥ÇÏ´Â ÈûÀº ¾øÀ¸¹Ç·Î(À̶§ MOTOR¿¡¼ÀÇ OVER RUNÀº 0.5¡1.0ȸÀü ÀÌÇÏ) ºÎÇϸ¦ ÜÁò¥ÇÏ´Â ¿ëµµ·Î »ç¿ëÇÏ´Â °æ¿ì¿¡´Â ï³í¸ BRAKE MOTOR¸¦ Àû¿ë »ç¿ëÇÏ´Â °ÍÀÌ ¾ÈÁ¤ÀûÀ̸ç Á¤È®ÇÑ À§Ä¡ Á¦¾î¸¦ À§Çؼ´Â BRAKE PACK°ú È¥¿ëÇÏ¿© »ç¿ëÇÏ´Â ¹æ¹ýµµ ÀÖ½À´Ï´Ù.
2 ï³í¸ BRAKEÀÇ µ¿ÀÛ
åúí¸ COIL¿¡ Àü¾ÐÀÌ Àΰ¡µÇ¸é SPRING¿¡ ´ëÇÏ¿© ï³í¸à´¿¡ ARMATURE°¡ ÈíÀεǾî BRAKE°¡ °³¹æµÇ¸é¼ MOTORÃàÀÌ È¸ÀüÇÏ´Â TYPEÀ¸·Î ¿îÀü CYCLEÀº °¡´ÉÇÑ ÇÑ ½Ã°£À» ±æ°Ô ÇÏ¿© ÁÖ°í HOUSING(MOTOR CASE)ÀÇ Ç¥¸é¿Âµµ°¡ 90¢ªCÀÌÇÏ¿¡¼ »ç¿ëÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù.
MAGNETIC BRAKE SPECIFICATIONS
OUTPUT (W) |
CURRENT (A) |
INPUT (W) |
HOLDING BRAKE TORQUE |
(Kg¡¤cm) |
(N¡¤m) |
6 |
0.04 |
5.0 |
1.5 |
0.15 |
15 ~ 90 |
0.06 |
6.1 |
5.0 |
0.50 |
3. GD 2 ÀÇ °è»ê¹ý
BRAKE MOTOR¸¦ »ç¿ëÇÒ ¶§¿¡´Â ºÎÇÏÀÇ °ü¼º ¸ð¿ì¸àÆ®°¡ Á¤Áö ½Ã°£, OVER RUN, Á¤Áö Á¤¹Ðµµ µî¿¡ Å« ¿µÇâÀ» ¹ÌĨ´Ï´Ù.
GD2ÀÇ ¿©·¯°¡Áö ¿¹
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GD2 = 1 / 2 W D2
- W : WEIGHT (Kgf)
D : DIA (Cm) |
GD2 = 1 / 2 W(D2 + d2)
- W : WEIGHT (Kgf)
D : DIA (Cm) d : INNER DIA (Cm) |
GD2 = 1 / 3 W(A2 + B2)
- W : WEIGHT (Kgf)
A,B : SIDE LENGTH (Cm) |
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GD2 = 4 / 3 W L2
- W : WEIGHT (Kgf)
L : LENGTH (Cm) |
GD2 = GD2 . W V2 / ©ª2 N2
- W : WEIGHT (Kgf)
D : DIA (Cm) V : CONVEYOR SPEED (m/mim) N : DRUM SPEED (rpm) (DOES NOT INCLUDE GD2 OF BELT / DRUM) |
GD2 = GD2i ¡À W P2 / ©ª
- GD2i : GD2 OF BALL
SCREW (Kg . Cm2) W : TOTAL WEIGHT (TABLE+WORK) (Kg) P : PITCH OF BALL SCREW (Cm) |
BRAKE MOTORÀÇ ð³Æ¯¼º¿¡¼´Â GD2 (Kg¡¤cm2 )À» »ç¿ëÇÏ¸ç °ü¼º ¸ð¿ì¸àÆ® J¿Í ÇöóÀÌ ÈÙ È¿°ú GD 2 ÀÇ °ü°è´Â ´ÙÀ½½Ä°ú °°½À´Ï´Ù.
GD2 = 4 J (Kg¡¤cm2) GD2 : ÇöóÀÌ ÈÙ È¿°ú J : °ü¼º ¸ð¿ì¸àÆ®
¶Ç ÇÑ GEAR HEADµîÀ¸·Î °¨¼ÓÇÒ ¶§ MOTORÃà¿¡ ȯ»êµÈ GD2 Àº 1 / (°¨¼Óºñ)2 °¡ µË´Ï´Ù.
GD2M = 1 / i2 * GD2L (Kg¡¤cm2) GD2M : MOTORÃà¿¡ ȯ»êµÈ GD2 GD2L : GEAR HEAD¿¡ ÃëºÎµÈ ºÎÇÏ GD2 i : GEAR HEADÀÇ °¨¼Óºñ
¿¹¸¦ µé¸é, 25W¿¡ 220V/60HzÀÇ MOTOR¿¡ °¨¼Óºñ°¡ 1/30ÀÇ GEAR HEAD¸¦ »ç¿ëÇÏ°í ºÎÇÏÀÇ °ü¼º(GD2L)ÀÌ 1000Kg¡¤cm©÷ÀÎ °æ¿ì GD2M = 1 / 302 X 1000 = 1.1(Kg¡¤cm2) À̸ç
°ü¼º ¸ð¿ì¸àÆ®ÀÇ SI´ÜÀ§·Î ȯ»êÇϸé, SI´ÜÀ§¿¡¼ °ü¼º ¸ð¿ì¸àÆ®´Â I·Î Ç¥½ÃÇÏ°í ´ÙÀ½½ÄÀ¸·Î ȯ»êÇÕ´Ï´Ù.
I = GD2 / 4 g (Kg¡¤cm2) g : Áß·Â °¡¼Óµµ 9.80665 m/s2 OVER RUNÀÇ °æ¿ì´Â ´ÙÀ½°ú °°ÀÌ °è»êµË´Ï´Ù. NG = NM / i = 2.5 / 302 = 0.08 ȸÀü (¾à 30')
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