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ÄϲýÀí¹¤Ñ§Ôº±¾¿ÆÉú±ÏÒµÂÛÎÄ É°ÂÖÖ±¾¶D = 40 mm ÇÐÏ÷ËÙ¶ÈV = 0.330 m/s ÇÐÏ÷Éî¶Èap = 0.1 mm ½ø¸øÁ¿fr0 = 0.006 mm/r ÔòÖ÷ÖáתËÙn = 1000v/?D = 157 r/min

¸ù¾Ý±í3.1¡ª48 °´»ú´²Ñ¡È¡n = 100 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV = ?Dn/£¨1000¡Á60£© = 0.20 m/s Ä¥Ï÷¹¤Ê±Îª£º °´±í2.5¡ª11

»ù±¾Ê±¼ätj = zbk/nfr0z= 0.02 min (zb=0.1 k=1 z=8) 1.8.9 ϳ¡¢×ê¡¢ïÛ£¨Á¬¸Ë×ܳÉÌ壩

(1) ¾«Ï³Á¬¸Ë¸ÇÉÏÁ½ÂÝĸ×ùÃæ Ñ¡ÓÃϳ´²X62W

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª90ѡȡÊý¾Ý

ϳµ¶Ö±¾¶D = 63 mm ÇÐÏ÷ËÙ¶ÈV = 0.47 m/s ÇÐÏ÷¿í¶Èae = 5 mm ϳµ¶³ÝÊýZ = 24 ÇÐÏ÷Éî¶Èap = 2 mm af = 0.015 mm/r ÔòÖ÷ÖáתËÙn = 1000v/?D = 142 r/min

¸ù¾Ý±í3.1¡ª74 °´»ú´²Ñ¡È¡n = 150 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV = ?Dn/£¨1000¡Á60£© = 0.49 m/s ϳÏ÷¹¤Ê±Îª£º °´±í2.5¡ª10 L = 28 mm L1 =

ae(d-ae)+1.5 = 17.5 mm L2 = 2.5 mm

»ù±¾Ê±¼ätj = L/fmz = (28+17.5+2.5)/(150¡Á24) = 0.02 min

°´±í2.5¡ª46 ¸¨Öúʱ¼äta = 0.4¡Á0.45 = 0.18 min £¨2£©¡¢´ÓÁ¬¸ËÉÏ·½×ê¡¢À©¡¢½ÂÂÝ˨¿×

a) ×êÂÝ˨¿× Ñ¡ÓÃ×ê´²Z3025

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª38£¨41£©Ñ¡È¡Êý¾Ý ÇÐÏ÷ËÙ¶ÈV = 0.99 m/s ÇÐÏ÷Éî¶Èap = 5 mm ½ø¸øÁ¿f = 0.08 mm/r ×êÍ·Ö±¾¶D = 10 mm ÔòÖ÷ÖáתËÙn = 1000v/?D = 1910 r/min

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n = 910 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV = ?Dn/£¨1000¡Á60£© = 0.99 m/s ×êÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7

L = 34 mm L1 = 1.5 mm L2 = 2 mm »ù±¾Ê±¼ätj = L/fn = (34+1.5+2)/(0.08¡Á1910) = 0.23 min

°´±í2.5¡ª41 ¸¨Öúʱ¼äta = 0.5 min °´±í2.5¡ª42 ÆäËûʱ¼ätq=0.2 min b) À©ÂÝ˨¿× Ñ¡ÓÃ×ê´²Z3025

25

ÄϲýÀí¹¤Ñ§Ôº±¾¿ÆÉú±ÏÒµÂÛÎÄ ¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª53ѡȡÊý¾Ý

À©µ¶Ö±¾¶D = 10 mm ÇÐÏ÷ËÙ¶ÈV = 0.40 m/s ÇÐÏ÷Éî¶Èap = 1.0 mm ½ø¸øÁ¿f = 0.6 mm/r ÔòÖ÷ÖáתËÙn = 1000v/?D = 764 r/min

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n=764 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV = ?Dn/£¨1000¡Á60£© = 0.40 m/s À©Ï÷¹¤Ê±Îª£º °´±í2.5¡ª7 L = 34 mm L1 = 2 mm

»ù±¾Ê±¼ätj = L/fn = (34+2)/(0.6¡Á764) = 0.07 min

°´±í2.5¡ª41 ¸¨Öúʱ¼äta=0.25 min c£©½ÂÂÝ˨¿×

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª81ѡȡÊý¾Ý

½Âµ¶Ö±¾¶D = 12.2 mm ÇÐÏ÷ËÙ¶ÈV = 0.22 m/s ÇÐÏ÷Éî¶Èap = 0.10 mm ½ø¸øÁ¿f = 0.2 mm/r ÔòÖ÷ÖáתËÙn = 1000v/?D = 140 r/min

¸ù¾Ý±í3.1¡ª31 °´»ú´²Ñ¡È¡n = 200 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV =?Dn/£¨1000¡Á60£© = 0.127 m/s ½ÂÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7

L = 34 mm L1 = 2 mm L2 = 3 mm »ù±¾Ê±¼ätj = L/fn = (34+2+3)/(0.8¡Á200) = 0.23 min (3) ´ÓÁ¬¸Ë¸ÇÉÏ·½¸øÂÝ˨¿×¿Úµ¹½Ç

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª67ѡȡÊý¾Ý

ÇÐÏ÷ËÙ¶ÈV = 0.2 m/s ÇÐÏ÷Éî¶Èap = 3 mm ½ø¸øÁ¿f = 0.10 mm/r Z = 8

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n = 750 r/min ÇÐÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7 »ù±¾Ê±¼ätj = L/fn = £¨0.5+1.5£©/750¡Á0.10 = 0.03 min 1.8.10 ´ÖïÛ´óÍ·¿×

Ñ¡ÓÃïÛ´²T68

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª66ѡȡÊý¾Ý

ϳµ¶Ö±¾¶D = 65 mm ÇÐÏ÷ËÙ¶ÈV = 0.16 m/s ½ø¸øÁ¿f = 0.30 mm/r ÇÐÏ÷Éî¶Èap = 3.0 mm ÔòÖ÷ÖáתËÙn = 000v/?D = 47 r/min

¸ù¾Ý±í3.1¡ª41 °´»ú´²Ñ¡È¡n = 800 r/min Ôòʵ¼ÊÇÐÏ÷ËÙ¶ÈV = ?Dn/£¨1000¡Á60£© = 2.72 m/s ïÛÏ÷¹¤Ê±Îª£º °´±í2.5¡ª3

26

ÄϲýÀí¹¤Ñ§Ôº±¾¿ÆÉú±ÏÒµÂÛÎÄ L = 38 mm L1 = 3.5 mm L2 = 5 mm »ù±¾Ê±¼ätj = Li/fn = (38+3.5+5)/(0.30¡Á800) = 0.19 min

°´±í2.5¡ª67 ¸¨Öúʱ¼äta = 0.50 min 1.8.11 ´óÍ·¿×Á½¶Ëµ¹½Ç

Ñ¡Óûú´²X62W

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª67ѡȡÊý¾Ý

ÇÐÏ÷ËÙ¶ÈV = 0.2 m/s ÇÐÏ÷Éî¶Èap = 3 mm ½ø¸øÁ¿f = 0.10 mm/r Z = 8

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n = 750 r/min ÇÐÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7 »ù±¾Ê±¼ätj = L/fn = £¨0.5+1.5£©/750¡Á0.10 = 0.03 min 1.8.12¾«Ä¥´óСͷÁ½Æ½Ã棨Ïȱê¼Ç³¯ÉÏ£©

Ñ¡ÓÃÄ¥´²M7130

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª170ѡȡÊý¾Ý

ÇÐÏ÷ËÙ¶ÈV = 0.413 m/s ÇÐÏ÷Éî¶Èap = 0.10 mm ½ø¸øÁ¿f = 0.006 mm/r

Ä¥Ï÷¹¤Ê±Îª£º °´±í2.5¡ª7 »ù±¾Ê±¼ä tj = lbzbk/1000vfafr0z

=0.1¡Á70¡Á0.02¡Á1.1/£¨1000¡Á60£©¡Á0.413¡Á0.006¡Á20¡Á0.1 =0.03 min

1.8.13 °ë¾«ïÛ´óÍ·¿×¼°¾«ïÛСͷ¿×

Ñ¡ÓÃïÛ´²T2115

£¨1£©¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª66ѡȡÊý¾Ý

ïÛµ¶Ö±¾¶D = 65.5 mm ÇÐÏ÷ËÙ¶ÈV = 0.20 m/s ½ø¸øÁ¿f = 0.2 mm/r ÇÐÏ÷Éî¶Èap = 1 mm ¸ù¾Ý±í3.1¡ª39 °´»ú´²Ñ¡È¡n = 1000 r/min ïÛÏ÷¹¤Ê±Îª£º °´±í2.5¡ª3

L = 38 mm L1 = 3.5 mm L2 = 5 mm »ù±¾Ê±¼ätj= Li/fn = (38+3.5+5)/(0.20¡Á1000) = 0.23 min £¨2£©¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª66ѡȡÊý¾Ý

ïÛµ¶Ö±¾¶D = 30 mm ÇÐÏ÷ËÙ¶ÈV = 3.18 m/s ½ø¸øÁ¿f = 0.10 mm/r ÇÐÏ÷Éî¶Èap = 1.0 mm ¸ù¾Ý±í3.1¡ª39 °´»ú´²Ñ¡È¡n = 2000 r/min ïÛÏ÷¹¤Ê±Îª£º °´±í2.5¡ª3

L = 38 mm L1 = 3.5 mm L2 = 5 mm

27

ÄϲýÀí¹¤Ñ§Ôº±¾¿ÆÉú±ÏÒµÂÛÎÄ »ù±¾Ê±¼ätj = Li/fn = (38+3.5+5)/(0.10¡Á2000) = 0.23 min 1.8.14¾«ïÛ´óÍ·¿×

Ñ¡ÓÃïÛ´²T2115

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª66ѡȡÊý¾Ý

ïÛµ¶Ö±¾¶D = 65.4 mm ÇÐÏ÷ËÙ¶ÈV = 0.20 m/s ½ø¸øÁ¿f = 0.2 mm/r ÇÐÏ÷Éî¶Èap = 1 mm ¸ù¾Ý±í3.1¡ª39 °´»ú´²Ñ¡È¡n = 1000 r/min ïÛÏ÷¹¤Ê±Îª£º °´±í2.5¡ª3

L = 38 mm L1 = 3.5 mm L2 = 5 mm

»ù±¾Ê±¼ätj = Li/fn = (38+3.5+5)/(0.20¡Á1000) = 0.23 min

1.8.15×êСͷÓÍ¿×

Ñ¡ÓÃ×ê´²Z3025

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª38£¨41£©Ñ¡È¡Êý¾Ý ÇÐÏ÷ËÙ¶ÈV = 1.18 m/s ÇÐÏ÷Éî¶Èap = 3 mm ½ø¸øÁ¿f = 0.05 mm/r

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n = 1000 r/min ×êÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7 L = 6 mm L1 = 3 mm »ù±¾Ê±¼ätj = L/fn =(6+1)/(1000¡Á0.05) = 0.14 min 1.8.16 Сͷ¿×Á½¶Ëµ¹½Ç

Ñ¡Óûú´²X62W

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª67ѡȡÊý¾Ý

ÇÐÏ÷ËÙ¶ÈV = 0.2 m/s ÇÐÏ÷Éî¶Èap = 3 mm ½ø¸øÁ¿f = 0.10 mm/r Z = 8

¸ù¾Ý±í3.1¡ª30 °´»ú´²Ñ¡È¡n = 750 r/min ÇÐÏ÷¹¤Ê±Îª£º °´±í2.5¡ª7 »ù±¾Ê±¼ätj = L/fn = £¨0.5+1.5£©/750¡Á0.10 = 0.03 min 1.8.17 ïÛСͷ¿×³ÄÌ×

Ñ¡ÓÃïÛ´²T2115

¸ù¾Ý¡¶»úÐµÖÆÔ칤ÒÕÉè¼ÆÊֲᡷ±í2.4¡ª66ѡȡÊý¾Ý

ïÛµ¶Ö±¾¶D = 30 mm ÇÐÏ÷ËÙ¶ÈV = 0.25 m/s ½ø¸øÁ¿f = 0.2 mm/r ÇÐÏ÷Éî¶Èap = 0.2 mm ¸ù¾Ý±í3.1¡ª39 °´»ú´²Ñ¡È¡n = 1000 r/min ïÛÏ÷¹¤Ê±Îª£º °´±í2.5¡ª3 L = 38 mm L1 = 3.5 mm L2 = 5 mm

28

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