¹¤×÷ʱ¼ä£ºÖÜÒ»ÖÁÖÜÎåÈ«Ìì 9£º00-17£º30 ÖÜÁù9:00-12:00
Öá³ÐÃû³Æ | NSK 51104Öá³Ð |
---|---|
ÐÂÐͺŠ| 51104 |
¾ÉÐͺŠ| 8104 |
ÄÚ¾¶ d (mm) | 20 |
Í⾶ D (mm) | 35 |
ºñ¶È B (mm) | 10 |
NSKÐͺŠ| 51104 |
Æ·ÅÆ | NSK |
Àà±ð | ÍÆÁ¦ÇòÖá³Ð |
Ïêϸ˵Ã÷ | ÍÆÁ¦ÇòÖá³Ð£¨51000 ÐÍ£© |
±¸×¢ | D1smin=21,D1smax=35,X±íʾÖáȦÍ⾶D1СÓÚ×ùȦÍ⾶D |
NSK51104Ïà¹Ø¼¼Êõ×ÊÁÏ
ÉùÒôÓÐÕñ¶¯ÒýÆðµÄ£¬ÊÇÕñ¶¯µÄÒôÏìÌØÕ÷¡£ÔëÒôµÄ±íÕ÷ÓÐÉùÇ¿¼¶£¬Éùѹ¼¶£¬Éù¹¦Âʼ¶¡£ÉùÇ¿¼¶µÄ±í´ïʽΪ£º¡¡¡¡L1=10log(I/I)¡£¡¡¡¡L1ΪÉùÇ¿¼¶£¨dB£©¡¡¡¡IÉùÇ¿£¨W/m2£©¡¡¡¡I0»ù×¼ÉùÇ¿£¬10-12W/m2£¬ÊÇ1000HZµÄãÐÉùÇ¿¡£¡¡¡¡¶øÕ
µØÖ·£ºµØÖ·£ºÌì½òÊÐÎ÷ÇàÇøÖб±ÕòÖб±¹¤ÒµÔ°DÇø1²ã Öá³ÐÐͺŲéѯ
TEL£ºTEL£º022-58519721/22/23 FAX£º022-23868160