&ჯ㔦⣛⣄ 6K?Y (Y6GQGQC 㗣 ຄв⮛ ⤏㋝˾
œႌ⤳Ḣ̗ম •
ຄв⮛ܸᅣјᨫŔ„
•
Ϣ্Ʈ
•
Ẫ⪂⣵ͬ
ᗕ㒅Ė෮ •
ᰛʓᅋᒥ㒳ଫ⌓ᶴⰡᒥଫ̙ၿ∀ґ㗩⌓♙৲Ġ㒷ၿⱰ ➛ᯒߺ⡼፣෮ᣦ
•
㒳ଫNjඪ㔽⓶ᓂ㗩่࿈♙৲㘀♙৲⥆ǒĬㅪƌぢଵ㗩㘭ߺ ს̸㘯㗩ぬばľƮ㗩➦ᳵĬඪ㔽ᯒᓂ〄㘀㒳ଫۃоಇ⿏ㄹ㗩 ѧ֬ǒࠥᶴࠥ㋟㗩Njᒵဝც㘀♙৲Ӱ㒳ଫۃ෮ݣôҎ⋿㋌ ᔶ㘀♙৲ᝍゐ㗩Nj㒳ଫᯒⳮ〟ⱆ⫽㘀㒳ଫᯌႫĬຄв⮛ Ⱋ;ၰҚ㗩ෘϊ➦ͧᝍゐᯒঢ়⻥㘀ⲁⱪℛ୭ݣ෮㋌㗩ᅅడ 㒳ଫ‧ၲۃć̥Ėⶣ㘶р̥ଆ㗩œᔘЌᰡᗕଆ㗩⌄œⳃ⠁ⲭ ȉ९ᅋ♙৲ާⲣ⫱㘹ᑨĬ♙৲㗩ᧂద̘Ϩ㗩ෘćјҎⳮ ⒗ᯒ̟ď㘀
ຄв⮛ܸᅣјᨫ •
ଌ҅⯦ᯒ⫽ణଐ㗩ڛрၰƟ⩚⣅ᯒîḸᎋጪ
㔙⯦ •
ʓⲏ̙⮽ᰛ১ⱿϢ
•
ᛧ⾔ₔ㔙ఀṙচʓⲏỢ⢛ⱦⱿϢ
To p
la
nd
Fa c
e
wi dt
h
b
t0
Fa c
e
Addendum circ le
Addendum
Circular pitch p Pitch
circle
nd
Width of space
Clearance Fillet radius
Bo
tto
m
la
Dedendum
Tooth thickness t
nk
Whole depth
Fl a
Working depth
Dedendum circle Clearance circle (mating teeth extend to this circle)
JUVINALL: Machine Design Fig. 15-9 W-459
㔙⯦ܸᅣ •
̙㔙⯦ڔґ㗩㔙⯦፣၄びᰛỢၰ≡Ɀ⯽
•
̙㔙⯦ڔґడ㗩̙⯦ᯒ⃞ḚϢⱯ⾉ᰛỢ 䕩x薫蝧ଶҖ䕩x薫蝧ଶ
p g
=
dg dp
!p
Pinion pitch circle
dp
c P (pitch point)
dp
JUVINALL: Machine Design Fig. 15-5 W-455
!g
Gear pitch circle