... (4) (5) 3000 - 2700 269 9 - 2400 2399 - 2100 2099 - 1800 1799 - 1500 1499 - 1200 1199 - 900 1 2 3 11 18 12 3 2,0 4,0 6, 0 22,0 36, 0 24,0 6, 0 0, 06 0,12 0,20 0,75 1,20 0,80 o,20 2,0 6, 0 12,0 34,0 ... (mm). 3. Phỉång trçnh cán bàòng : ( X + y 1 + w 1 ) - (Z +y 2 + w 2 ) = u 2 - u 1 ( 2-1 6) Hay: X - Z + (y 1 - y 2 ) + (w 1 - w 2 ) = u∆± ( 2-1 7) 2.5.2 Phỉång trçnh cán bàòng nỉåïc ca lỉu vỉûc ... cổỷc. - Bióỷn phaùp thuớy lồỹi, - Bióỷn phaù p lỏm nghióỷp, - Bióỷn phaùp nọng nghióỷp. Hỗnh 2- 8 Sồ õọử tờnh mổa theo phổồng phaùp õổồỡng õúng trở 2 560 1 2 3 4 5 2520 268 0 264 0 260 0 2480...