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6. Comprehensive questions (15 points) The hydraulic principle chart of power slip-way for one machine tool is shown as bellow, whose work cycle just like: Quick feed--Working feed-- Quick retract--Stop at start position, slove: (1) Analyze its working principle, fill out the following table. (8 points) (2) Please point out the speed-regulating method of the system, and the function of valve C and valve D. (7 points) Quick feed Working feed Quick retract Stop at start position hydraulic system operation cycle Quick feed Working feed Quick retract Stop at start position 1YA 2YA

          6. Comprehensive questions (15 points)
The hydraulic principle chart of power slip-way for one machine tool is shown as bellow,
whose work cycle just like: Quick feed--Working feed-- Quick retract--Stop at start position,
slove:
(1) Analyze its working principle, fill out the following table. (8 points)
(2) Please point out the speed-regulating method of the system, and the function of valve C
and valve D. (7 points)
Quick feed
Working feed
Quick retract
Stop at start position
hydraulic system operation cycle
Quick feed
Working feed
Quick retract
Stop at start position
1YA 2YA

6. Comprehensive questions (15 points)
The hydraulic principle chart of power slip-way for one machine tool is shown as bellow,
whose work cycle just like: Quick feed–Working feed– Quick retract–Stop at start position,
slove:
(1) Analyze its working principle, fill out the following table. (8 points)
(2) Please point out the speed-regulating method of the system, and the function of valve C
and valve D. (7 points)
Quick feed
Working feed
Quick retract
Stop at start position
hydraulic system operation cycle
Quick feed
Working feed
Quick retract
Stop at start position
1YA 2YA

Added by Tanner H.

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