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1. 2. 3. 4. 5.

???? . 1.???????????? 2.???????????3.?????????4.????????????5.????????. ?????. ????: ?????????????????????????: ???????,???????????????????,????????????: ??????????????,???????,?????,?????. ?????. ?????????(????)????????(????)??????????????(????). ?????????(????). 1.???: ???????,???? .

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1. 2. 3. 4. 5.

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    1. ??? ? ?

    2. ???? 1.???????????? 2.??????????? 3.????????? 4.???????????? 5.????????

    3. ????? ????: ??????????????????? ??????: ???????,???????????????????,?????? ??????: ??????????????,???????,?????,?????

    4. ????? ?????????(????) ????????(????) ??????????????(????)

    5. ?????????(????)

    6. 1.???: ???????,????

    7. 2.???: ????????????,??? ????,????????????

    8. 3.????:(????) ????????: ?????,??????????,?????,????? ??: ????,????,?????,??????,??????? ????:???????????????????????????

    10. 4.????(?????) ?????????,????,?????? ?? ??:????,???,??????

    11. 5.?????? ???????????????????? ???????????????????? ?????????????????

    12. 6.??? ??????????????????,?????????

    13. ????????(????)

    14. 1.?????(????) ??????90????,???????,?????,????????,???????

    15. 2.???? ?????????180?,?????????,?????????,??????????????90,???????????90??????

    16. 3.????? ????????????

    17. ??????????????(????)

    18. 1.??????(????) ????????

    19. 2.?(???)?? ????????????????????????????

    20. 3.??????(??)

    21. 4.????? ????????????,????????????????????

    22. ???????????: ?????????????,???????,????????,??????????????60~90?????????,???????,?????????????????? ??????,????,????????? ??????,??????????

    23. ?????? ?????,???????,???????????????,????????,??????????????????????????,????????: ?????????????????????,??????????????,???????????,???????????????????

    26. ????,?????,?????????????????N????D????T?????????,???: TB TA ??????,??????????,??????,???????

    27. ????? ????? ????

    28. ????? ??????????????? ? ?????: ??????(????)???,???????????

    29. ?:d??????D???????????,?:d=Dcos??

    30. 2.????????: (1)??????,??????????????,??????????,????? (2)??????????,?????? (3)???????????,???????????????????????(???????)? (4)??????,??????? (5)???????, ???????????:?????????????

    31. ????????(Interference): ?????????????????????????,???????????? ? ???????: (1)?????? (2)??????? (3)????????? (4)?????? (5)???????? ???????????????????????,???????

    33. ???? (1)???(Cycloid):????????? ?,???????????? (2)???(Epicycloid):????????? ??,???????????? (3)???(Hypocycloid):???????? ???,????????????

    35. 2.?????: ??????(???)???????? ??????????????,?????,????? ????????????,?????????,??????,???????? ????????????,?????????,??????????

    37. 3.???????: (1)?????????,????????????????????(??????????)? (2)??????,?????????????????,?????0? (3)????,???? (4)?????????:?????????????????????????????????????

    38. 4.?????? ?????????????,???????

    39. ????????????? ?????,?????????????,??????????,?????????

    40. ??????? 1.??(Pitch Circle):?????????????? 2.????(Pitch Diameter):????,?D??? 3.??(Pitch Point):???(???`)???????????

    42. 4.???(Addendum Circle):??????,???????,?D0??,?D0=D+2a? 5.???(Dedendum Circle):???????

    43. 6.??(Addendum):???????????,?a??? 7.??(Dedendum):???????????,?b??? 8.??(Depth of Tooth):?????,????????,?h??,?h=a+b?

    44. 9.??(Tooth Thickness):???,????????? 10.??(Tooth Clearance):???,????????? 11.??(Tooth backlash):?????????????????,?:??=??=a??????????????? 12.??(Face of Tooch):?????????? 13.??(Flank of Tooch):??????????

    45. 14.????(Working Depth):??????,??????????,?h??,h=2a? 15.??(Clearance):????,???????,????????????????,?c??,?c=b-a=h-h'?

    46. 15.??(Module): ??????,???????????,?M?????:?????????(M=D/T),???mm?

    50. 12.??(Diametral Pitch): ??????,???????????,?Pd??? ??:?????????(Pd=T/D),?? ???????,?MPd=25.4

    52. 13.??(Circular Pitch): ??????,????????????????????????????????,?Pc???

    53. 4.???????????: ?????????????????????? ????????????????????????

    55. ?? Pc=pD/T=pM(??)=(p/Pd??)*25.4 ?? Pc=p48/12=4p(??)=(p/4??)*25.4 ??M=D/T=48/12=4 ??Pd=T/D=12/48=1/4*25.4

    56. 19.???(Angle of Action):??????????,???????????????????????????? 20.???(Arc of Action):????????????????????,?????????????

    57. 21.??(Bace Circle): ??(???`)???,????????????????;?????????????????,?DB???

    58. 23.???: ????????????,?????????? ????????????,????????????

    59. 24.???: ??????????????,??????

    60. 25.???(Pressure Angle): ???????????? ????????????20? ???????????,??????????????????????????,?????0? ?????,????????,?????,?????,???????????????,?????

    62. 26.???: ?????????????C???

    63. (1)??: (2)??:

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