SZ-250/2000KN injection machine
This design studied the hydraulic system of
the SZ-250/2000KN injection machine
primarily. The injection machine includes injecting device and molding device.
In the process of injection machine injection model, the plastic will be
infused into the charging barral in injection molding machine, in the function
of screw the plastic are turn to the plasticfying liquid posture ,then they are
injected into mold antrum and become the produce, which will be crest out
finally. Therefore the injection model model process of injection machine is a
course as to shuttling the mold,injection seat froward leading , injection ,
protecting to press , defending to flow to postpone ,opening the mold , driving
out manufacture piece and injection seat backspace . This is a series of action
process will be complete by the hydraulic pressure system in this design . The
hydraulic pressure system in this design includes other then injection ,still
have every kind of value,hydraulic pump,hydraulic motor and different kinds of
assistant component etc.For satisfaction with the action of injection machine
design every hydraulic pressure loop,in consideration of making each action
fast to
change and act steady, used a type of the doubt unite pump with vane
,design the 3-rated pressure loop and throttle timing loop,and increase many
assistance in hydraulic pressure system.
In addition this designe still designed the assistant a-oil tank.The
parameters of the hydraulic cylinder include every cylinder’s inner diameter,
piston pole diameter, cylinder’s wall thickness,piston width,guide length and
parttion cover length . In this design also have the strength checking of every
cylinder and piston pole linking bolts checking adopting the open
type,rectangle construction. Key
words: hydraulic system hydraulic cylinder oil tank
anting guide, slide and other
derivative.
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