Phụ lục đề thi trắc nghiệm Chi tiết máy: 2.E1.E2 qH H ZM ZM 2. [ E2 (1 12 ) E1 (1 22 )] [ ] gh s x c s 2T 0,7.k d u k/n M F d1 m lim N KL m N E i N i ' NE 1 M 4M u ; u u ; c2 u2 Wu 0,7.k d 6M F [ ] b b M F [ ] 0,7.k ld b 0,7.k l F /i [ k ] d1 z d1 (5,2 6,4) T1 M F [ ] 0,7.k (ld b b / 6) 0,7.k l 1,3.s.F i f k .d12 1,3V k F [ k ] d d d d1 L 2.a 4.a T1 = 9,55.10 P1/n1 F1 M F Ft e f Ft Ft e f ; ; F F 2 e f e f e f Fr F0 cos ; 1800 1 z Ft F F2 F F0 F1 F2 2 b P1.k d [ P0 ].C Cu Cl C z 1000.P.k d Ft k d v.[ F ].C Cv Cb [ F ].C Cv Cb L 2.a d1 d d d1 4.a 2 d1 d d1 d 2 L a L d d 4 2 d = p/sin(/z) z1 = 29 – 2.u x l z1 z2 2.a z2 z1 p p p 2 a Pt P.k k z k n / kday [ P0 ] Số dẫy xích kday 1 1,7 2,5 ( z z )(inv tw inv ) ( z1 z ).m cos ; xt ; 2tg 2aw cos t arctg( tg / cos ) ; tw arccos(a cos t / aw ) ; ba=2bd/(u1) ; lH = K..bw/cosb ; cos tw inv = tg - b = arctg(costw.tg) = 0,5.dw.sinw 2.aw cos ; m.(u 1) z1 aw 4 1 Zε = m( z1 z ) ; cos 1 cos ; z1 z2 = 1,88 3,2. bw sin m cos b sin 2 tw ; ZH Ft 2T1 / d w1 2T2 / d w ; Fa Ft tg w ; Fr Ft tg tw Ft tg nw cos w Ft 2T Fn cos nw cos w d w cos nw cos w N HE Hi H1 H N i' 60c Ti T1 niti 60.c.n.Lh Ti T1 ti / tck ; m [ H ] H0 lim K HL sH T1 K H (1 K be ) K beu[ H ] tg ; tg( ) tg=z1/q ; Fa1 = Ft2 = 2.T2/d2 ; W0 j 16 ba [ H ] u ; K HL N H0 N HE / mH m Km T1 K F YF Y z12 bd [ F ] Re d e21 d e22 0,5.mte z12 z 22 d e1, (2 sin 1, ) tg w m.z1 z1 ; d w1 q x x = aw/m - 0,5(q+z2) ; Ft1 = Fa2 = Fa1.tg( ) = Ft2.tg( ) ; H b j t1 j (d j t1 j ) 2.d j 480 T2 K H H ; d2 d1 Wj ; d 3j 32 F aw = (q+z2+2.x)m/2 Fr1 Fr2 Ft2 cos tg n cos 1,4.T2 K Fβ K Fv YF b2 d m cos [ F ] b j t1 j (d j t1 j ) 2.d j F 2T 2T ; c ; L = 60.10-6.n.Lh ; Q = (X.V.Fr + Y.Fa).kd.kt ; b.l d b.l d l.( h t1 ) p = R/ld [p] ; pv = R.n/(19100.l) [pv] ; hmin = (D-d)/2 - e = (1-)/2 s.(Rz1+Rz2) k T l0 2.k T 2.k T c [ c ] ; d [ d ] ; u [ u ] z.D0 d / z.D0 d c lv 0,1.d c D0 z d k 4.c ; 4.c d2 Fa h H [ p ] d 1,6 ; Fa k Fmax c ; [ ] EJ s l ; ; Ft2 cos ; cos n cos d 3j T1 K H 170 T2 K H ; aw z2 q z2 [ H ] q m.n1 vt z12 q ; 19100 Fn aw K a (u 1)3 Z R Z v K xH ; Re K R u 13 n x x.G.d 1 ( Fmax Fmin ) 8.c ( Fmax Fmin )