© 2021 Nordson Corporation
2-7
Lance Lift Operation
See Figure 2-5.
Static State
• Lance lock solenoid valve non-energized, air line to lock vented, cylinder rod locked by
spring force.
•
Lance down and lance up solenoid valves non-energized, air lines to up and down flow
control valves pressurized, lance up and lance down regulators supplying balanced
pressure to both sides of the lift cylinder piston.
Dynamic State UP
• Lance lock solenoid valve energized, lock air line pressurized, cylinder rod unlocked.
• Lance up solenoid valve energized, venting line to lance down regulator and top of
piston. Pressure to lance up regulator and bottom of piston forces piston up.
Dynamic State DOWN
• Lance lock solenoid valve energized, lock air line pressurized, cylinder rod unlocked.
• Lance down solenoid valve energized, venting line to lance up regulator and bottom of
piston. Pressure to lance down regulator and top of piston forces piston down.
Содержание Encore XL Powder
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