800 Ton Hot Forging Open Die Hydraulic Press Machine , Metal Press
A) Product Name:
YTD13-800 four columns open die forging hydraulic press
B) Use and characteristics
1．The open die forging press is mainly used for forging processes
of various forgings: billet, rough, drawing, reaming, bending, etc.
At the same time, it can also engage in drawing, blanking, bending
and correction of other metal sheets..
2．This machine has independent power mechanism and electrical
system, using PLC control technology, touch screen display, button
centralized control, and can realize manual and semi-automatic two
3．The working pressure and range of the machine can be adjusted
according to the technological requirements..
C) open die forging press Host structure
The fuselage is composed of upper beam, slider, worktable, mobile
platform, column, locking nut, adjusting nut and so on. The main
beam and the work table pass through four columns, and are fixed by
locking nuts to form a closed force bearing frame. The main oil
cylinder and return cylinder are installed on the horizontal center
line of the upper beam, and the plunger rod of the oil cylinder is
connected with the slide block, and the driven slide block is
driven by the four columns to move up and down. The main oil
cylinder is a plunger type structure. The girders are welded by
Q235B material, and after welding, the stress relief treatment is
carried out. The thickness of materials meets design conditions and
standards. A reasonable welding groove and welding method can be
used to ensure that the weld is smooth and smooth, and the residual
height of the weld is guaranteed, and there are no defects, such as
cracks, slag, dense pores, leakage welding and so on.
3.1 Upper beam
The upper beam is welded by Q235 high quality steel plate. The
carbon dioxide gas shielded arc welding is used for welding. After
annealing, the stress is eliminated. The upper beam has a main oil
cylinder, a return cylinder and four column holes.
The slide block is Q235 high quality steel plate welded structure.
The carbon dioxide welding is used for welding. After annealing,
the stress is eliminated. The upper plane of the slide block is
connected with the main oil cylinder plunger rod by the bolt with
the split flange, and the positioning device is processed at the
lower plane of the slide block. The specific size is designed by
Party B and confirmed by Party A. Four corners are processed with
column holes, and guide sleeves are arranged in the holes..
The worktable is welded by high quality steel plate Q235. Carbon
dioxide gas shielded arc welding is used for welding. After
annealing, the stress is eliminated. The four corners of the
worktable are processed with a column hole, and the upper plane is
equipped with a guide plate, and the guide plate material is
The vertical column is made of 45 material integral forgings, and
the two ends are processed with 45 degrees sawtooth thread. The
pillar is close to the worktable with a pillar protection sleeve.
The guide material adopts the guide sleeve of the composite
material inlaid with cast iron as the inner side of the matrix.
Normalization of column, intermediate frequency quenching of guide
part, hardness HRC45-52.
The nut material is 45# forged steel, and the inner hole is
machined with 45 degree zigzag thread, matching with the thread on
the circular column, locking the fuselage..
3.6.1 the main cylinder of this machine is plunger type cylinder,
which is used for pressing. The sealing ring of the cylinder mouth
adopts the structure of V type combination ring, which has good
sealing effect, long service life, strong adaptability to the axial
and radial vibration and the eccentric load of the piston, and can
withstand the change of high pressure and pressure, and it is
convenient to install and maintain. The cylinder block is made of
35# forged steel parts, and the plunger rods are all 45# forged
steel parts. The surface hardened is treated by quenching, and the
hardness is HRC45-52..
3.6.2The return cylinder of this machine is a plunger cylinder,
which is mounted on the upper crossbeam and is used for backhaul.
The sealing ring of the cylinder mouth adopts the structure of V
type combination ring, which has good sealing effect, long service
life, strong adaptability to the axial and radial vibration and the
eccentric load of the piston, and can withstand the change of high
pressure and pressure, and it is convenient to install and
maintain. The cylinder block is made of 35# forged steel parts, and
the plunger rods are all 45# forged steel parts. The surface
hardened is treated by quenching, and the hardness is HRC45-52..
3.6.3The mobile worktable push-pull cylinder is a double rod piston
oil cylinder, which has the function of pushing and pulling double
functions. The mobile worktable moves smoothly and works reliably.
The cylinder material is 35# steel, the piston rod material is 45#
forged steel parts, the surface hardened HRC42-52, the cylindrical
grinding process, and one end of the plunger rod is connected with
the movable worktable..
3.7 Mobile worktable
A movable table is equipped on the base of the machine, which is
made of integral steel casting and has strong bearing capacity. In
order to prevent deviation from dislocation, the mobile station
adopts the same U structure on the ground, which is consistent with
the convex structure on the worktable, and can effectively prevent
movement deviation. The shift table is installed on the worktable
to move and push the cylinder back and forth, so as to quickly
replace the moulds on the pressing station and improve the work
efficiency. Work can be carried out to suppress multiple (rough,
punching, etc.). The wear-resistant ductile iron under the sliding
platform of the mobile workbench is made. The friction guide plate
on the mobile bracket adopts the high hardness steel guide rail
surface to improve the wear resistance. The cover and carriage of
the mobile station should be matched by the user according to the
D) Liquid control system
1. cartridge valve group is produced by a well-known domestic
professional manufacturer. The valve has compact structure,
sensitive action, large flow rate, small flow resistance, reliable
performance and easy maintenance..
2．The hydraulic oil of the hydraulic press is cooled by the plate
type water cooler to ensure the reliable operation of the valve. It
is convenient to clean and change oil by system cleaning. The oil
valve is provided at the low point of the pipe. Quick release of
oil in pipeline for easy maintenance.
3．The system pressure relief adopts multistage pressure relief mode
to make the slide up and down run smoothly and without impact..
4．The hydraulic impact vibration of the forging hydraulic press is
relatively large. Therefore, all joints on the pipe of the
hydraulic system are connected with the special flange of the axial
seal. The seal of the large pipe diameter flange seal is sealed
with the copper seal ring, and the shock proof pipe card is added
according to the requirements, and the pipe is rationally
distributed according to its technical characteristics to reduce
the energy loss and leakage.
5．The pilot solenoid valve adopts German Rexroth joint venture
solenoid valve, and the key ball valve is selected from original
Rexroth company products to ensure stable and reliable operation.
The motor units of the oil pump are all horizontal. The whole
device is arranged in an orderly, compact and orderly manner. Oil
tank with oil level indicator.
6. The main electric pump is 4 groups, in order to facilitate the
maintenance and maintenance, the oil pump is divided into two
groups, can be used alone and can be all used without influence,
motor power 110KW, grade 4, model Y315S-4. The imported oil Rexroth
pump is used in the oil pump, and the ball valve is installed at
the suction port of the pump. When the pump is overhauled, the oil
pump can be removed by shutting down the valve without stopping
operation. The liquid filling valve is usually closed and pre vent
type valve. The main cylinder pressure relief loop of the hydraulic
control system adopts a three stage pressure relief control loop to
meet the requirement of improving the main cylinder quick pressure
relief ability, reducing the pressure relief impact and noise..
7．The pressure control adopts the imported pressure sensor to
control the pressure point and display the pressure on the touch
screen. User-friendly operation.
8.The auxiliary pump motor group 1 consists of a 63YCY14-1B
pressure compensated axial piston pump and a Y180L-4-B5 motor. The
auxiliary oil pump motor group is installed vertically on the fuel
tank to control the opening of the liquid filling valve and the
operation of the tooling..
9.The cooling filter oil pump motor group consists of gear pump and
motor. The cooling filter oil pump motor set is vertically mounted
on the tank and used for oil filtration and cooling. The cooler
adopts plate type water cooling (self provided by circulating water
10.Y46 hydraulic oil is recommended for working hydraulic fluids..
11The steel pipe and elbow of high pressure pipeline are made of 20
or more high grade seamless steel pipe, which conforms to GB9948
(the specific material grade is based on the pressure grade by the
manufacturer). Except for the connection of elbow and steel pipe,
the connection between steel pipes is connected by flanges.
E) electrical system
1. the power supply adopts three phase and five wire system, the
three-phase AC power supply voltage is 380V, 50Hz; the control
circuit is AC 220V; the indicator lamp voltage is 6.3V; there is a
special electric control cabinet, a main control cabinet, and the
power appliance components are installed in the electric control
cabinet, such as power switch, air switch, AC contactor, control
transformer. In the electric control cabinet, the lighting and
ventilation facilities are set in the electric control cabinet, and
the electrical components such as the circuit breakers are used in
Schneider's products. The power cable and the control cable are all
excellent products of the famous manufacturer's national standard.
The main switchgear of the workshop is supplied by the demand side,
the cable from the demand workshop to the control cabinet is
provided by the buyer, and the cable from the control cabinet to
the power system is provided by the equipment manufacturer..
2．The main control system uses PLC programmable controller and
man-machine interface control technology. All kinds of buttons and
operating handlesare installed on the main control cabinet. The
main control cabinet prevents the floor of the workshop next to the
hydraulic machine. It is easy to manipulate and observe..
3.The slide stroke control is controlled by imported rotary
4．The main power supply can be divided into two groups, which can
be controlled by one group or two groups at the same time..
5．Electric cabinet is equipped with leakage protection, ventilation
measures, electric control box and control table with quick stop
switch; electrical system has complete line protection function;
motor start up with step-down start, starting current is small,
other implementation of GB/T5226.1 machine tool electrical
Voltage: 220V / 380V + 10%
Distribution mode: 3 phase 5 line
2. environmental conditions:
Ambient temperature: 0~45 C;
Relative humidity: less than 95%
3.Buyer affairs item:
Auxiliary piping and construction outside the press
Electric wire and construction outside the press
Cleaning fluid for hydraulic pipe
Lubricating oil and grease
Hydraulic oil for press
According to the construction of the foundation map (geological
report before construction), only the foundation bolts are
G. open die forging press Main technical specifications:
1. type: three beam four column upper pressure type.
2. nominal pressure: 800T
3. return force: 100T
4. worktable mobility: 50T
5. normal working medium pressure: 25MPa (max 31.5MPa)
6. the maximum stroke of the movable beam: 1100mm
7. the largest opening: 2000mm
8. mobile working table size: 3500 x 1000mm
9. mobile workstation mobile maximum stroke: left 1500mm, right
10. maximum speed of mobile station: 250 mm/s
11. allowable maximum forged eccentricity: 80mm
12. active beam drop speed: 300mm/s
13. maximum pressure speed: 30-50mm/s
14. maximum return speed: 300mm/s
16. main oil cylinder bore / rod diameter: Phi 640mm, plunger type
16. return hole cylinder bore / rod diameter: 160mm, plunger type,
17. mobile worktable push pull cylinder bore / rod diameter 200mm/
120mm, double exit structure
18. column center distance: 1600mmX1200mm
19. column diameter: [Phi] 280mm
20. main motor power: 110X4=440kW
21. working medium: YB-N46# anti-wear hydraulic oil
H. Technical specification and precision of machine reference
JB/T3818-1999 "technical conditions for hydraulic press"
GB3915-1885 "safety technical conditions for hydraulic press"
JB9967-1999 "noise limit of hydraulic press"
JB/T8609-1997 "Technical Specifications for Welding Parts of
Forging and Pressing Machinery"
GB/T5226.1-1996 General Technical Conditions for Industrial
Machinery and Electrical Equipment
2. Hydraulic Press Accuracy According to GB9166-88 "Accuracy of
Four-column Hydraulic Press".
I.The safety measures of the open die forging press:
1. the technical conditions for the safety protection of this
machine meet the mandatory standards of China GB / T5226.1-1996 and
the relevant national standards. When the safety standards conflict
with other standards of the technical specification, the safety
standards have priority.
2. the hydraulic system of this machine has protection function,
and the safety valve of the main cylinder is equipped with safety
3. the noise of the equipment is in accordance with the JB9967-1999
4. the electrical system has reliable grounding and motor overload,
short circuit protection and other functions.
5. there are safety platforms, fences and escalators on the top of
the equipment, which are convenient for maintenance personnel.
J． open die forging press Technical data and drawings
1. provide detailed machine tool foundation map and construction
requirements within two months after signing the contract. After
the drawings are completed, they must be jointly confirmed before
they can be put into production.
2. the supplier provides a set of instructions for use of the
machine (operation manual, structural schematic diagram, foundation
3. suppliers provide the assembly drawings, oil cylinder assembly
drawings, slide block view, moving worktable overlook, electrical
and hydraulic schematic, PLC ladder diagram, vulnerable parts and
4. packing list.
5. certificate of qualification (including factory precision
K．Spare parts and special tools::
|NO||Name of spare parts||Number of spare parts||Remarks|
|1||Special handle||One set||Fuselage|
|2||Anchor bolt||One set||Fuselage, power system|
|3||System O seal ring||One set||Two years' dosage|
|4||Ring head screw||One set||Lifting|
L．Main component configuration of press:
|1||Motor for main pump||Jiangsu|
|2||4 main oil pumps||Rexroth||Germany|
|3||Cartridge valve group||Jining Taifeng|
|4||Pilot solenoid valve||Rexroth||Germany|
|5||Key ball valve||Rexroth||Germany|
|6||Liquid filling valve||Nantong, Jiangsu|
|7||Main cylinder seal||University of Guangzhou|
|8||PLC, A/D, D/A||Siemens?||Germany|
|10||Close switch||Korean made|
|12||Pressure gauge||Wuxi, Jiangsu|
|16||Main electrical components||Schneider|
M．Installation, acceptance and acceptance criteria
1. We are responsible for directing the installation, commissioning
and delivery of the lifting equipment provided by the buyer. The
maximum weight of the workpiece is 20 tons. Users need to organize
appropriate lifting tools and personnel to assist. Installation
method: According to the supplier's foundation map and the method
described in the instructions for installation.
2. Installation and debugging time is about 40 working days (in the
Acceptance of Machine Tools: Acceptance of Equipment Accuracy and
Performance Tests in accordance with National Standards, Ministry
Standards and Technical Agreements Signed.