指南車工作坊

&ჯ㔦⣛⣄ 6K?Y (Y6GQGQC 㗣 ຄв⮛ ⤏㋝˾

œႌ⤳Ḣ̗ম •

ຄв⮛ܸᅣјᨫŔ„

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Ϣ฀্Ʈ

•

Ẫ⪂⣵ͬ

ᗕ㒅Ė෮ •

ᰛʓ៺ᅋ᡹ᒥ㒳ଫ⌓ᶴⰡᒥ៟ଫ̙ၿ∀ґ㗩⌓♙৲Ġ㒷ၿⱰ ➛ᯒߺ⡼፣෮ᣦ

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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Nj߻ᒵဝც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‫ڛ‬໲р჋ၰƟ⩚⣅ᯒîḸᎋጪ

㔙⯦ •

ʓⲏ̙⮽ᰛ১ⱿϢ

•

ᛧ⾔ₔ㔙ఀṙচʓⲏỢ⢛ⱦ஄ⱿϢ

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⯽

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̙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