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A SJC-type coupling has such characterisics as cannot be seen in other couplings owing to its perculiar construction. It means that the coupling has a complex feature that combines characteristics of a backlash-zero metal spring coupling and those of a coupling taking advantage of a common rubber elastic body. Accordingly, a SJC-type coupling is divided into 2 usages-one usage is the backlash-zero method adopted in order to deliver the angle of rotation and another usage is a method adopted in order to mainly deliver torque. Because each usage has distinguished sleeves of different hardness, please choose a proper coupling.

1. ¹é·¡½¬ 0(Á¦·Î)ÀÇ Àü´ÞÀ» ÁÖ¸ñÀûÀ¸·Î Çϴ°æ¿ì

ȸÀü°¡ÀÇ Àü´Þ°ú Á¦¾î¸¦ ÁÖ¸ñÀûÀ¸·Î ÇÏ¿© Àú Å丣ũ ¿µ¿ªÀ¸·Î »ç¿ëÇÏ´Â °æ¿ì, ±Ý¼Ó½ºÇÁ¸µ Ä¿ÇÁ¸µ°ú ¶È°°Àº ¹é·¡½¬ 0ÀÇ Æ¯Â¡À» Ȱ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. °Ô´Ù°¡ ÀÏ¹Ý Ä¿Çøµ¿¡¼­´Â ¾òÀ» ¼ö ¾ø´Â ºñƲ¸² Áøµ¿µµ Èí¼öÇÏ´Â ±â´Éµµ ÀÖ½À´Ï´Ù. Ç¥¿¡ ±âÀçµÇ¾î ÀÖ´Â »ç¿ëÅä·ÎÅ© º¸´Ù ÀÛ°Ô µË´Ï´Ù. ¾Æ·¡Ç¥¸¦ ÂüÁ¶Çϼ¼¿ä. ¶ÇÇÑ ¹é·¡½¬ 0·Î »ç¿ë °¡´ÉÇÑ Çã¿ëÅä·ÎÅ©´Â 2Á¾ÀÇ ½½¸®ºê ¸ðµÎ °°½À´Ï´Ù¸¸ ȸÀü°¢À» Á¤È®È÷ Àü´ÞÇϱâ À§ÇÏ¿© ÇÊ¿ä ÇÑ ÀÀ´ä¼­¿¡ ´ëÇÏ¿© ½½¸®ºêÀÇ °æµµ°¡ ³ôÀº ÆíÀÌ Å¹¿ùÇÑ ¼º´ÉÀ» ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.

In case of using a coupling within a low torque sphere with an aim to mainly deliver the angle of rotation and effect control, the same backlash-zero characteristic as a metal spring coupling offers can be utilized. In addition, it also has a function to absorb a torsonal vibration that a common coupling cannot offer.
It becomes less than the torque listed in the table. Please refer to the table in the below.
Although the allowable torque usable as a backlash-zero torque is same with the 2 kinds of sleeve, a sleeve, a sleeve of higher hardness can get the excellent performance in a use of delivering the angle of rotation correctly.

2. Å丣ũ Àü´ÞÀ» ÁÖ¸ñÀûÀ¸·Î Çϴ°æ¿ì

SJCÇü Ä¿ÇÁ¸µÀº ½½¸®ºê¸¦ ¾ÐÃà½ÃÄÑ Å丣ũ¸¦ Àü´Þ½ÃŰ´Â ¼º°Ý»ó ±Ý¼ÓÁ¦ Ä¿ÇÁ¸µ °ú ºñ±³Çصµ º¸´Ù Å丣ũÀÇ »ç¿ëÀÌ °¡´ÉÇÕ´Ï´Ù. µû¶ó¼­ ¹é·¡½¬ 0ÀÌ ÇÊ¿ä¾ø´Â °æ¿ìÀÇ ÆßÇÁµî ÀÏ¹Ý »ê¾÷±â°è¿¡ Àû¿ëÀÌ °¡´ÉÇÕ´Ï´Ù.

SJCÄ¿ÇÁ¸µÀº °¢±â ´Ù¸¥ ½½¸®ºê·Î Ç¥ÁØÈ­ µÇ¾î ÀÖ½À´Ï´Ù¸¸ »ç¿ëÅ丣ũ, ÃÖ´ë Å丣ũ´Â °æµµ°¡ ³·Àº ±×¸°½½¸®ºê°¡ Àû°í °æµµ°¡ ³ôÀº Àû»ö½½¸®ºê°¡ Å®´Ï´Ù. ±×·¯³ª ¹Ý´ë·Î »ý°¢ÇÏ¸é ¹Ì½º¾ó¶óÀÌ¸ÕÆ®ÀÇ Çã¿ëÄ¡´Â ±×¸°ÀÌÅ©°í Àû»öÀÇ ½½¸®ºê´Â Àû¾î Áö°ÚÁö¿ä. ¿ëµµ¿¡ ¸ÂÃ߾ ÀûÁ¤ÇÑ ½½¸®ºê¸¦ ¼±Á¤Çϼ¼¿ä.

A SJC-type coupling can be used for higher torque than a metal coupling in that it delivers torque by way of contracting the sleeve. Accordingly, it can be applied to a geneal industrial machine such as a pump in no need of backlash-zero. Although the SJC-coupling are standardized in different sleeves, green sleeves of lower hardness offer less usual torque and maximum torque. While red sleeves of higher hardness offer higher usual torque and maximum torque. Thinking conversely, however, allowable value of mis-alignment is bigger in the green sleeves and less in the red sleeves. Please choose a proper sleeve to fit your usage.