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Location >> Automatic line of high pressure multi-piston squeeze moulding

Main characteristics of the moulding line:

Air blowing pre-compaction plus multi-piston high pressure squeezing moulding technology is adopted to ensure high sand mould hardness, uniform mould compactness, low mismatch, precise castings and high yield. Average mould hardness is 90-95, hardness difference on the same surface is <±5,mismatch is <0.3mm. Hydraulic multi-piston squeeze heads are used for squeezing, and the pressure can be adjusted by proportional decompression valve. Specific squeeze pressure is sectioned and adjustable, with a maximum value of 1.5MPa.
Control system is equipped with engineer station, main operation station and multiple stand-by sub-stations, each fitted with man-machine interface. Advanced technologies such as industrial personal computer, numerical control machine tool, PLC field bus, servo valve, proportional valve, frequency control, automatic detector and computer monitor are used.
Whole production line operations comply with principle of combinating electrical control, hydraulic and pneumatic transmission. Key components are imported to guarantee stable and reliable operation of the production line.
It has advantages of full automation, high productivity, precise casting, small area coverage and low energy consumption. It is the mostly advanced moulding line at present.
Suitable for volume production of top grade castings, it has been widely applied in production of automobile castings and other grey cast iron, ductile iron and steel castings.

 
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Static pressure moulding machine
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1950x1500x550/450 static pressure moulding machine
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1950×1500×550/450
static pressure moulding line for machine tool castings
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Shuttle type sand feeding - hydraulic
multi-piston squeeze head
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Quantified sand
feeding
Air flow
pre-compaction
Hydraulic multi-piston
squeezing
Return stroke and
pattern drawing
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Hydraulic valve panels and pipeline

 
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loaded test operation of
1950 x 1500 x550/450
static pressure
moulding machine

Main specifications and technical parameters: 

Parameter/model
Mould size(mm)
Productivity(box/h)
Mould sand consumption(t/h)
YJZ107
1000×700×250/200;1000×700×300/350
110
60-90
YJZ108
1000×800×350/300;1000×800×350/350
YJZ128
1200×800×350/350
90
80-100
YJZ129
1200×900×250/300;1200×900×350/300
YJZ138
1300×800×300/300;1300×800×350/200
YJZ139
1300×900×350/300;1300×900×350/350
90-120
YJZ14511
1450×1100×400/400
80
150
YJZ1512
1500×1200×450/450
78-80
180
YJZ18585
1850×1200×450/450
80
120
YJZ19515
1950×1500×550/450
30-40
180

★Specifications can be decided according to customer's product, and customized design is available.
 

Representative layout drawing(Click for large view)

 
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Main components of the moulding line:

It is comprised of moulding, core setting & flasks closure, pouring, cooling and shakeout sections. It includes static pressure moulding machine, whole set of auxiliary devices, mould conveyor, electrical control system, hydraulic system, and technological equipment such as flasks and pattern plate bolsters.
Static pressure moulding machine is made up of lifting working table, blowing pre-compaction device, multi-piston squeezing device, louver type sand feeder, pattern plate rotation device and upper machine frame traveling gear. It can complete quantified sand feeding, moulding, pattern drawing and pattern plate exchange processes.
Auxiliary devices of moulding line include punch-out device, flasks separator, flask lifting, lowering and transfer device, flask rollover device, cleaning device, flasks closure device, flasks fastening & loosening device, vent hole drilling device and sprue milling device, which can carry out auxiliary processes of the whole moulding line.
Mould conveyor is comprised of transfer car, indexing device, cushioning device, pallet car and positioning device which can automatically transfer moulds.
Control system is equipped with engineer station, main operation station and multiple stand-by sub-stations, each fitted with man-machine interface. Advanced technologies such as industrial personal computer, numerical control machine tool, PLC field bus, servo valve, proportional valve, frequency control, automatic detector and computer monitor are used. Key components are imported.
Pouring system: Automatic (or semi-automatic) pouring machine can be used.
Ventilation & dust collecting system is for ventilation and dust removal at pouring and cooling sections.
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----Flask transfer---moulding---flask rollover---sand cutting---flask transfer section----

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 Flask transfer-lowering section
 
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 Core setting section
 
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Cope flask sprue milling
--vent hole drilling section
 
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Cope flask rollover device
 
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Flasks closure
device
 
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Pouring and cooling section
 
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Punch-out device and
flask transfer device
 
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Flasks separator and
cleaning device
 
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Operation skill training on customer site
 
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Core setter of 1950×1500×550/450
static pressure moulding line
 
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Pouring machine of static pressure moulding line
 
Professional installation, commissioning and training service