1
Cơ h
Cơ họ
ọc
cm
má
áy
yTS
TS Phan
Phan T
Tấ
ấn
nT
Tù
ùng
ng
Chương 12 BỘTRUYỀN BÁNH RĂNG
1. Khái niệmchung
Công dụng: bộtruyềnbánhrăng truyền
chuyểnđộng và mômen xoắngiữa2 trục
gần nhau, làm việc theo nguyên lý ănkhớp
2
Phân loại theo vi trí các trục:
bánh răng trụbánh răng côn bánh răng trụchéo
Phân loạitheosưphân bốcác răng:
bánh răng ngoài bánh răng trong
Cơ h
Cơ họ
ọc
cm
má
áy
yTS
TS Phan
Phan T
Tấ
ấn
nT
Tù
ùng
ng
3
Phân loạitheophương răng so vớiđường sinh:
răng thẳng răng nghiêng
răng cong răng chữV
4
Phân loạitheobiêndạng răng: biên dạng thân khai, biên dạng cycloid,
biên dạng Novikov
Base
Circle
Involute
tooth
profile
5
Phân loạitheochiếu nghiêng củarăng: nghiêng trái, nghiêng phải
Phân loạitheohệđolường: bánh răng hệmét, bánh răng hệanh
Ưuđiểm:
•Kích thướcnhỏ, khảnăng tảilớn
•Tỉsốtruyềnkhôngđổi
•Hiệusuấtcao, tuổithọcao
Nhượcđiểm:
•Chếtạophứctạp, đòi hỏiđộ chính xác cao
•Gây ồnkhilàmviệcởvậntốc cao
Nghiêng phải
Nghiêng trái
![Cẩm nang Gia công kim loại Việt Nam [mới nhất]](https://cdn.tailieu.vn/images/document/thumbnail/2026/20260513/baobinh_011/135x160/7971778670576.jpg)
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