Page 500 - index
P. 500
Ɉɥ ԛɲiɧ, ɨɫɵ ɩɚɪɚɝɪɚɮɬɚԑɵ (5.6) ɮɨɪɦɭɥɚɥɚɪɞɵ ԕɨɥɞɚɧɚɦɵɡ:
yɨɪɬ S x1 . (ɚ)
Ⱥ
ɀɚɪɬɵ ɞԧԙɝɟɥɟɤɬiԙ ɚɭɞɚɧɵ:
Ⱥ S R2 . (ԥ)
2
ɒɟԙɛɟɪɞiԙ ɬɟԙɞɟɭiɧ ԕɨɥɞɚɧɵɩ, ɠɚɪɬɵ ɞԧԙɝɟɥɟɤɬiԙ ɫɬɚɬɢɤɚɥɵԕ ɦɨɦɟɧɬiɧ
ɟɫɟɩɬɟɣɦiɡ. ɒɟԙɛɟɪɞiԙ ɬɟԙɞɟɭi:
x2 y2 R2 (ɛ)
R R2x2 R y2 R2 x2 2 R3. (ɜ)
ydxdy dx ydy dx 3
00
³³ ³ ³ ³Sx R 2 0
ɋɚɥɦɚԕ ɰɟɧɬɪiɧiԙ ɨɪɞɢɧɚɬɚɫɵɧ (ɚ) ɮɨɪɦɭɥɚɫɵɧ ɩɚɣɞɚɥɚɧɵɩ ɬɚɛɚɦɵɡ, ɹԑɧɢ:
yɨɪɬ 2 R3 AR | 0,424R . (ɝ)
3 3S
SR 2
2
3) Ɍɚɜɪ ԕɢɦɚɧɵԙ (64-ɫɭɪɟɬ) ɫɚɥɦɚԕ ɰɟɧɬɪiɧ ɬɚɛɭ ɤɟɪɟɤ ɛɨɥɫɵɧ. Ԕɢɦɚɧɵԙ
ԧɥɲɟɦɞɟɪɿ: h 60 ɫɦ, b1 20 ɫɦ, b2 50 ɫɦ, G 8 ɫɦ.
Ȼԝɥ ԕɢɦɚɧɵԙ ɞɚ ɛiɪ ɫɢɦɦɟɬɪɢɹ ɨɫi ɛɚɪ, ɨɥ ɨɫɶ – ɭ. Ⱦɟɦɟɤ, ɫɚɥɦɚԕ ɰɟɧɬɪi
ɨɫɵ ɨɫɶɬiԙ ɛɨɣɵɧɞɚ ɠɚɬɚɞɵ, ɹԑɧɢ xC 0 ɛɨɥԑɚɧɞɵԕɬɚɧ, yc ɤɨɨɪɞɢɧɚɬɚɫɵɧ
ɬɚɩɫɚԕ ɠɟɬɤɿɥɿɤɬɿ. Ԕɢɦɚɧɵ ɟɤɿ ɬԧɪɬɛԝɪɵɲ ɪɟɬɿɧɞɟ ԕɚɪɚɫɬɵɪɚɦɵɡ: ɤԧɥɞɟɧɟԙ
( b2 50, G 8 ) ɠԥɧɟ ɬɿɤ ɨɪɧɚɥɚɫԕɚɧ ( h 60, b1 20 ) ɬԧɪɬɛԝɪɵɲ.
Ʉԧɥɞɟɧɟԙ ɬԧɪɬɛԝɪɵɲɬɵԙ ɫɬɚɬɢɤɚɥɵԕ ɦɨɦɟɧɬɿɧ ɬɚɛɭ ԛɲɿɧ ɨɧɵԙ ɚɭɞɚɧɵɧ
x1 ɨɫɿɧɟɧ ԧɡɿɧɿԙ ɫɚɥɦɚԕ ɰɟɧɬɪɿɧɟ ɞɟɣɿɧɝɿ ɚɪɚԕɚɲɵԕɬɵԕԕɚ ɤԧɛɟɣɬɟɦɿɡ, ɹԑɧɢ:
Sk Ak y b2 G ¨§ h G ¸· 50 8 §¨ 60 8 ¸· 13600 ɫɦ4 .
© 2 2 ¹ © 2 2 ¹
64-cɭɪɟɬ
498
