216
Shifting
KF=30
(e)
Fork (Fig. 4.23)
Chapter 4
Three mechanical joints
26 -- (1.96, 0.02, 0.011) = )~5
Three structural sections
26 = (1.35, 1.0, 0.33) = 2G6
Combining Fig. 4.23 there are three mechanical joints and structural member in series.
Rshift = RjointsRstruct
= exp[--3Kr(2~5 + 2~6)t]
297.9 -]
exp [- 1-6g-~r t
]
Housing
KF=30
(g) housing, cast, machined bearing surfaces
2c = (0.91, 0.40, 0.016) =/~G7
Rhousing = exp[--KF2a7t] = exp 106 hr t
Jaw Clutch
KF=30
(h) Jaw clutch
2~ --- (1.1, 0.04, 0.06) = 2c8
Note: 0.04 can not be the average. Should be 0.08 or 0.58 per an error in data
printout.
Rjaw = exp[--KF)~Gat] = exp -- ~ t
The automobile gear box functions with 1st, 2nd, 3rd, and reverse and the
in
~
out
Figure 4.23. Shifting fork reliability model for Fig. 4.19.
Shifting
KF=30
(e)
Fork (Fig. 4.23)
Chapter 4
Three mechanical joints
26 -- (1.96, 0.02, 0.011) = )~5
Three structural sections
26 = (1.35, 1.0, 0.33) = 2G6
Combining Fig. 4.23 there are three mechanical joints and structural member in series.
Rshift = RjointsRstruct
= exp[--3Kr(2~5 + 2~6)t]
297.9 -]
exp [- 1-6g-~r t
]
Housing
KF=30
(g) housing, cast, machined bearing surfaces
2c = (0.91, 0.40, 0.016) =/~G7
Rhousing = exp[--KF2a7t] = exp 106 hr t
Jaw Clutch
KF=30
(h) Jaw clutch
2~ --- (1.1, 0.04, 0.06) = 2c8
Note: 0.04 can not be the average. Should be 0.08 or 0.58 per an error in data
printout.
Rjaw = exp[--KF)~Gat] = exp -- ~ t
The automobile gear box functions with 1st, 2nd, 3rd, and reverse and the
in
~
out
Figure 4.23. Shifting fork reliability model for Fig. 4.19.