ĐỒ ÁN CHI TIẾT MÁY ĐỀ SỐ 4: THIẾT KẾ HỆ DẪN ĐỘNG BĂNG TẢI

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ĐỒ ÁN CHI TIẾT MÁY
ĐỀ SỐ 4: THIẾT KẾ HỆ DẪN ĐỘNG BĂNG TẢI
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PHẦN 1: CHỌN ĐỘNG CƠ ĐIỆN VÀ PHÂN PHỐI TỶ SỐ TRUYỀN
1.1.Chọn động cơ điện
1.1.1.Xác định công suất yêu cầu của trục động cơ
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1.1.2.Xác định số vòng quay của động cơ

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1.3.Tính các thông số trên các trục
1.3.1.Số vòng quay
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1.3.3.Mômen xoắn trên các trục
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3.2.1.Ứng suất tiếp xúc cho phép[σ
H
] và ứng suất uốn cho phép [σ
F
]
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=
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(
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* 8(
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H
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HB
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3.2.2.Ứng suất cho phép khi quá tải
6b  *
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3.4 Xác định các thông số ăn khớp.
3.4.1 Đường kính vòng chia ngoài
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4.3.Xác định sơ bộ khoảng cách giữa các gối đỡ và điểm đặt lực
Bánh răng côn
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