a) b)
ͼ1-3Ëùʾ£º
D=¦Õ30mm d=¦Õ30mm
Dmax=¦Õ30.021mm dmax=¦Õ29.993mm Dmin=¦Õ30mm dmin=¦Õ29.980mm
·ÖÎö£º¢Ù»ù±¾³ß´çºÍ¼«Ï޳ߴçÊÇÉè¼ÆÊ±¸ø¶¨µÄ¡£
¢Ú»ù±¾³ß´ç¿ÉÒÔÔÚ¼«Ï޳ߴçÈ·¶¨µÄ·¶Î§ÄÚ£¬Ò²¿ÉÒÔÔÚ¼«Ï޳ߴçËùÈ·¶¨µÄ·¶Î§Íâ¡£¼´»ù±¾³ß´ç´óÓÚ£¬µÈÓÚ£¬Ð¡ÓÚ¼«Ï޳ߴ硣 ¢Û³ß´çºÏ¸ñÌõ¼þ
×îС¼«Ï޳ߴç¡Üʵ¼Ê³ß´ç¡Ü×î´ó¼«Ï޳ߴ磻 ¿×£ºDmin¡ÜDa¡ÜDmax Öá: dmin¡Üda¡Üdmax
×÷Òµ P32 1¡¢2¡¢3¡¢4Ìâ
[½Ìѧ»Ø¹Ë]
1¡¢³ß´ç¡¢»ù±¾³ß´ç¡¢Êµ¼Ê³ß´ç¡¢¼«Ï޳ߴçµÄ¶¨Òå¼°·ûºÅ¡£
2¡¢»ù±¾³ß´ç¡¢Êµ¼Ê³ß´ç¡¢¼«Ï޳ߴçµÄ¹ØÏµ¡£ [¿ÎÌâÒýÈë]
´Ó»ù±¾³ß´ç¡¢Êµ¼Ê³ß´ç¡¢¼«Ï޳ߴçµÄ¹ØÏµÎÒÃÇ¿ÉÒÔ¿´³ö£¬µ±Óü«Ï޳ߴç¼õ»ù±¾³ß´ç»òÕßÓÃʵ¼Ê³ß´ç¼õ»ù±¾³ß´çʱ£¬Á½ÕßÖ®¼ä»áµÈµ½Ò»¸ö²îÖµ£¬Õâ¸öÖµÎÒÃǰÑËü½Ð×öÆ«²îÖµ¡£Õâ¾ÍÊÇÎÒÃÇÕâ½Ú¿ÎÒª½²ÊöµÄÄÚÈÝ£º [½²ÊÚпÎ]
Èý¡¢¹«²îÓëÆ«²îµÄÊõÓï¼°¶¨Òå
³ß´çÆ«²î£¨¼ò³ÆÆ«²î£©
¶¨Ò壺³ß´çÆ«²îÊÇָijһ³ß´ç¼õÆä»ù±¾³ß´çËùµÃµÄ´úÊý²î¡£
×¢£º ÓÉÓڳߴçÓм«Ï޳ߴ磬ʵ¼Ê³ß´çÖ®·Ö£¬Òò´ËÆ«²î¿É·ÖΪ¼«ÏÞÆ«²îºÍʵ¼ÊÆ«²î¡£ ¢Å¼«ÏÞÆ«²î
¶¨Òå ¼«Ï޳ߴç¼õÆä»ù±¾³ß´çËùµÃµÄ´úÊý²î³ÆÎª¼«ÏÞÆ«²î¡£
ÓÉÓÚ¼«Ï޳ߴçÓÐ×î´ó¼«Ï޳ߴçºÍ×îС¼«Ï޳ߴçÖ®·Ö£¬¼«ÏÞÆ«²îÓÖ¿É·ÖΪÉÏÆ«²îºÍÏÂÆ«²î£¨Í¼1-4£©¡£ ¢ÙÉÏÆ«²î£º×î´ó¼«Ï޳ߴç¼õÆä»ù±¾³ß´çËùµÃµÄ´úÊý²î£¬£¨ES,es£©£¬ES=Dmax£D
es=dmax£d £¨1-1a£©
ÏÂÆ«²î£º×îС¼«Ï޳ߴç¼õÆä»ù±¾³ß´çËùµÃµÄ´úÊý²î¡££¨EI,ei£©¡£ EI=Dmin£D
ei=dmin£d £¨1-1b£©
Ç¿µ÷£º¢ÙÆ«²î¿ÉÒÔΪÕýÖµ¡¢¸ºÖµ¡¢ÁãÖµ¡£
¢Ú¼ÆËãʱӦעÒâÆ«²îµÄÕý£¬¸º·ûºÅ£¬Ó¦Ò»Æð´úµ½¼ÆËãʽÖÐÔËËã ¢ÛÆ«²îµÄÎåÖÖÀàÐÍ£º
a¡¢ÉÏÕýÏÂÕý£» b¡¢ÉϸºÏ¸º£» c¡¢ÉÏÕýϸº£» d¡¢ÉÏÕýÏÂÁ㣻 e¡¢ÉÏÁãϸº¡£
£¨2£©Êµ¼ÊÆ«²î£¨Ea,ea£©
¶¨Ò壺 ʵ¼Ê³ß´ç¼õÆä»ù±¾³ß´çËùµÃµÄ´úÊý²î³ÆÎªÊµ¼ÊÆ«²î¡£ ¹«Ê½£º ¿×£ºEa=Da£D Ö᣺ea=da£d Áã¼þºÏ¸ñÌõ¼þ£º ¿×£ºEI¡ÜEa¡ÜES Ö᣺ei¡Üea¡Ües Òò´Ë£¬ºÏ¸ñÁã¼þµÄʵ¼ÊÆ«²îÓ¦ÔÚÉÏ£¬ÏÂÆ«²îÖ®¼ä¡£
£¨3£©³ß´çÆ«²î¼ÆËã¾ÙÀý
Àý1-1£º ÒÑ֪ij¿×»ù±¾³ß´çΪ¦Õ50mm£¬×î´ó¼«ÏÞΪ¦Õ50.048mm£¬×îС¼«Ï޳ߴçΪ¦Õ50.009mm£¨Í¼1-5£©£¬ÊÔÇóÉÏÆ«²î¡¢ÏÂÆ«²î¸÷Ϊ¶àÉÙ£¿
½â£º ES=Dmax£D=50.048£50=£«0.048mm
EI=Dmin£D=50.009£50=+0.009mm
Àý1-2 Éè¼ÆÒ»ÖᣬÆäÖ±¾¶µÄ»ù±¾³ß´çΪ¦Õ60mm£¬×î´ó¼«Ï޳ߴçΪ¦Õ60.018mm£¬×îС¼«Ï޳ߴçΪ¦Õ59.988mm£¨Í¼1-6£©£¬ÇóÖáµÄÉÏÆ«²î¡¢ÏÂÆ«²î¡£
½â£º es=dmax£d=60.018£60=£«0.018mm
ei=dmin£d=59.988£60=-0.012mm
ÁãÏßÓë³ß´ç¹«²î´øÍ¼
ΪÁËÇåÎúµØ±í´ïÉÏÊö¸÷Á¿¼°Ï໥¹ØÏµ£¬Ò»°ã²ÉÓü«ÏÞÓëÅäºÏ¹«²î´øÍ¼£¬ÔÚͼÖн«¹«²îºÍ¼«ÏÞÆ«²î²¿·Ö·Å´ó£¬Èçͼ1-9Ëùʾ
¹«²î´øÍ¼½â¶¨Ò壺 ²»±Ø»³ö¿×ÓëÖáµÄÈ«ÐΣ¬Ö»ÒªÉ¨×űê×¼µÄ¹æ¶¨½«ÓйصIJ¿·Ö·Å´ó»³öÀ´µÄͼʾ·½·¨³ÆÎª³ß´ç¹«²î´øÍ¼½â(ͼ1-10Ëùʾ)¡£
ͼ1-9 ¼«ÏÞÓëÅäºÏʾÒâ ͼ1-10 ¹«²î´øÍ¼½â £¨1£©ÁãÏß
¢Ù¶¨Ò壺±íʾ»ù±¾³ß´çµÄÒ»ÌõÖ±Ïß³ÆÎªÁãÏß¡££¨»òÔÚ¹«²î´øÍ¼ÖУ¬È·Ò»Æ«²îµÄÒ»Ìõ»ù×¼Ïß³ÆÎªÁãÏߣ©¡£ ¢ÚÁãÏß»·¨
a: ͨ³£½«ÁãÏßÑØË®Æ½·½Ïò»æÖÆ£¬ÔÚÆä×ó¶Ë»³ö±íʾƫ²î´óÓÚµÄ×Ý×ø±êÖá²¢±êÉÏ¡°0¡±ºÍ¡°+¡±¡°£¡±ºÅ£¬ÔÚÆä×óÏ·½»Éϵ¥Ïò¼ýÍ·µÄ³ß´çÏߣ¬²¢±êÉÏ»ù±¾³ß´çÖµ¡£ b: ÕýÆ«²îλÓëÁãÏßÉÏ·½£¬¸ºÆ«²îλÓÚÁãÏßÏ·½£¬ÁãÆ«²îÓÚÁãÏßÖØºÏ¡£ £¨2£©¹«²î´ø
¹«²î´ø¶¨Ò壺 ÔÚ¹«²î´øÍ¼ÖУ¬ÓÉ´ú±íÉÏ¡¢ÏÂÆ«²îµÄÁ½ÌõÖ±ÏßËùÏÞ¶¨µÄÒ»¸öÇøÓò³ÆÎª³ß´ç¹«²î´ø£¬¼ò³Æ¹«²î´ø¡£
¢Ù Ò»°ãÔÚͬһͼÖУ¬¿×ºÍÖáµÄ¹«²î´øµÄÆÊÃæÏߵķ½ÏòÓ¦¸ÃÏà·´£¬ÇÒÊèÃ̶ܳȲ»Í¬¡£ ¢Ú ¹«²î´ø°üÀ¨Á˹«²î´ø´óСÓ빫²î´øÎ»ÖÃÁ½ÒªËØ£¬´óСÓɱê×¼¹«²îÈ·¶¨£¬Î»ÖÃÓÉ»ù±¾Æ«²îÈ·¶¨¡£ ¢Û±ê×¼¹«²î
±ê×¼¼«ÏÞÓëÅäºÏÖÆÖУ¬Ëù¹æ¶¨µÄÈÎÒ»¹«²î¡£¼û±í1¡ª3¡£ ¢Ü»ù±¾Æ«²î
ÔÚ±ê×¼¼«ÏÞÓëÅäºÏÖÆÖУ¬È·¶¨¹«²î´øÏà¶ÔÁãÏßλÖõÄÄǸö¼«ÏÞÆ«²î¡£ ±ê×¼¹æ¶¨£ºÒ»°ãÒÔ¿¿½üÁãÏßµÄÄǸöÆ«²î×÷Ϊ»ù±¾Æ«²î¡£
ËÄ¡¢ÅäºÏµÄÊõÓï¼°¶¨Òå 1¡¢ÅäºÏ
»ù±¾³ß´çÏàͬµÄ£¬Ï໥½áºÏµÄ¿×ºÍÖṫ²î´øÖ®¼äµÄ¹ØÏµ³ÆÎªÖáºÏ¡£ 2¡¢¼ä϶Óë¹ýÓ¯
(1) ¼ä϶£¨X£©
¿×³ß´ç¼õÈ¥ÏàÅäºÏµÄÖáµÄ³ß´çËùµÃµÄ´úÊý²î£¬µ±´ËֵΪÕýֵʱ³ÆÎª¼ä϶¡£¼ä϶ÊýÖµÓ¦±ê¡°+¡±ºÅ¡£ £¨2£©¹ýÓ¯ (Y)
¿×µÄ³ß´ç¼õÈ¥ÖáµÄ³ß´çËùµÃµÄ´úÊý²î£¬µ±´ËֵΪ¸ºÖµÊ±³ÆÎª¹ýÓ¯¡£¹ýÓ¯ÊýÖµÇ°ÃæÓ¦±êÉÏ¡°£¡±ºÅ
3¡¢ÅäºÏµÄÀàÐÍ
£¨1£©¼ä϶ÅäºÏ:
¾ßÓмä϶£¨°üÀ¨×îС¼ä϶µÈÓÚÁ㣩µÄÅäºÏ³ÆÎª¼ä϶ÅäºÏ¡£¿×µÄ¹«²î´øÔÚÖáµÄ¹«²î´øÖ®ÉÏ¡£
£¨2£©¹ýÓ¯ÅäºÏ
¾ßÓйýÓ¯£¨°üÀ¨×îС¹ýÓ¯µÈÓÚÁ㣩µÄÅäºÏ³ÆÎª¹ýÓ¯ÅäºÏ¡£
¹ýÓ¯ÅäºÏʱ¿×µÄ¹«²î´øÔÚÖáµÄ¹«²î´øÖ®Ï¡£
£¨3£©¹ý¶ÉÅäºÏ
¿ÉÄܾßÓÐÒÜ϶»ò¹ýÓ¯µÄÅäºÏ³ÆÎª¹ý¶ÉÅäºÏ¡£
µ±¿×µÄ³ß´ç´óÓÚÖáµÄ³ß´çʱ£¬¾ßÓмä϶£»Ð¡ÓÚÖáµÄ³ß´çʱ£¬¾ßÓйýÓ¯¡£ ¹ý¶ÉÅäºÏʱ¿×µÄ¹«²î´øºÍÖáµÄ¹«²î´øÏ໥½»µþ¡£
£¨4£©ÅäºÏ¹«²î£¨Tf£©
¶¨Òå ÔÊÐí¼ä϶»ò¹ýÓ¯µÄ±ä¶¯Á¿³ÆÎªÅäºÏ¹«²î
¼ä϶ÅäºÏ¹«²îµÈÓÚ×î´ó¼ä϶Óë×îС¼ä϶֮´úÊý²îµÄ¾ø¶ÔÖµ¡£
Tf£½Xmax£Xmin£½Th£«Ts
¹ýÓ¯ÅäºÏ¹«²îµÈÓÚ×îС¹ýÓ¯Óë×î´ó¹ýÓ¯Èý´úÊý²îµÄ¾ø¶ÔÖµ.
Tf£½Ymin£Ymax£½Th£«Ts
¹ý¶ÉÅäºÏ¹«²îµÈÓÚ×î´ó¼ä϶Óë×î´ó¹ýÓ¯Ö®´úÊý²îµÄ¾ø¶ÔÖµ¡£
С½á£º
ÊìÁ·ÕÆÎտ׺ÍÖ᣻ÓйسߴçµÄÊõÓﶨÒ壻ÓÐ¹Ø³ß´çÆ«²î¡¢¹«²îµÄÊõÓﶨÒ壻ÓйØÅäºÏµÄÊõÓﶨÒ壻ÊìÁ·¼ÆË㼫Ï޳ߴ硢¼«ÏÞÆ«²î¡¢³ß´ç¹«²î¡¢»ù±¾Æ«²î¡£ ×÷Òµ£º P32 5¡¢ 7¡¢ 8 ¡¢ 9¡¢ 11Ìâ
1-2 ¼«ÏÞÓëÅäºÏ±ê×¼µÄ»ù±¾¹æ¶¨
¿Îʱ£º2¿Îʱ
½ÌѧĿµÄºÍÒªÇó£º
Ò»¡¢±ê×¼¹«²îϵÁÐ
1¡¢±ê×¼¹«²î? 2¡¢¹«²îµÈ¼¶ ¶þ¡¢»ù±¾Æ«²î´úºÅ
1¡¢¶¨Òå? 2´úºÅ? 3»ù±¾Æ«²î±í Èý¡¢¹«²î¼°ÅäºÏ´úºÅ 1¡¢¿×¡¢Öṫ²î´ø´úºÅ 2¡¢ÅäºÏ¹«²î´úºÅ ½ÌÑ§ÖØµã¼°Äѵ㣺
Á˽â±ê×¼¹«²îϵÁС¢»ù±¾Æ«²îϵÁм°Ð±ê×¼£¬Ñ§»á²é±í²¢¼ÆË㼫ÏÞÆ«²îÖµ¡£ ½ÌѧÄÚÈÝ:
Ò»¡¢±ê×¼¹«²î
±ê×¼¹«²î£º ¡¶¼«ÏÞÓëÅäºÏ¡·±ê×¼ÒѶԹ«²îÖµ½øÐбê×¼»¯£¬±ê×¼ÖÐËù¹æ¶¨µÄÈÎÒ»¹«²î³ÆÎª±ê×¼¹«²î¡£ ±ê×¼¹«²îµÄÊýÖµÓëÁ½¸öÒòËØÓйأº±ê×¼¹«²îµÈ¼¶ºÍ»ù±¾³ß´ç·Ö¶Î¡£¼û±í1-1
1¡¢±ê×¼¹«²îµÈ¼¶
£¨1£©¶¨Ò壺ȷ¶¨³ß´ç¾«È·³Ì¶ÈµÄµÈ¼¶³ÆÎª¹«²îµÈ¼¶¡£
£¨2£©¹ú±ê¹æ¶¨Á˱ê×¼¹«²î20¼¶¡£¸÷¼¶´úºÅÓÉ×ÖĸITÓë°¢À²®Êý¾Ý×ÖÁ½²¿¹«×é³É¡£IT¡ª¡ª±ê×¼¹«²î£¬°¢À²®Êý×Ö¡ª¡ª¹«²îµÈ¼¶¡£
£¨3£©±ê×¼¹æ¶¨£ºÍ¬Ò»¹«²îµÈ¼¶¶ÔËùÓлù±¾³ß´çµÄÒ»×鹫²î±»ÈÏΪ¾ßÓÐͬµÈ¾«È·³Ì¶È¡£ £¨4£©µÈ¼¶ÏµÁÐΪ£ºIT01£¬IT0£¬IT1¡¡IT18£¬ÆäÖÐIT01×î¸ß£¬IT18¾«È·¶È×îµÍ¡£ £¨5£©±ê×¼¹«²îµÄÊýÖµ£¬Ò»Êǹ«²îµÈ¼¶Óйأ¬¶þÓë»ù±¾³ß´çÓйء£