China Good quality Deep Drawing Hydraulic Press - 4 column deep drawing hydraulic press – Zhengxi Manufacture and Factory

Good quality Deep Drawing Hydraulic Press - 4 column deep drawing hydraulic press – Zhengxi

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Good quality Deep Drawing Hydraulic Press - 4 column deep drawing hydraulic press – Zhengxi Detail:

The 4 column deep drawing press machine is mainly suitable for sheet metal part processes such as stretching, bending, crimping, forming, blanking, punching, correction, etc., and is mainly used for quick stretching and forming of sheet metal.

The press machine is been designed as assembled H-frame which has best system rigidity, high precision, long lifetime and high reliability, and is used for pressing sheet metal parts and can meet the demand of production at 3 shifts/day.

3D drawing

Machine Parameters

Name		Unit	Value	Value	Value	Value
Model			Yz27-1250T	Yz27-1000T	Yz27-800T	Yz27-200T
Main cylinder pressure		KN	12500	1000	8000	2000
Die Cushion force		KN	4000	3000	2500	500
Max. liquid pressure		MPa	25	25	25	25
Daylight		mm	2200	2100	2100	1250
Main cylinder Stroke		mm	1200	1200	1200	800
Die Cushion Stroke		mm	350	350	350	250
Worktable size	LR	mm	3500	3500	3500	2300
Worktable size	FB	mm	2250	2250	2250	1300
Die cushion size	LR	mm	2620	2620	2620	1720
Die cushion size	FB	mm	1720	1720	1720	1070
Slider speed	Down	mm/s	500	500	500	200
	Return	mm/s	300	300	300	150
	Working	mm/s	10-35	10-35	10-35	10-20
Ejection speed	Ejection	mm/s	55	55	55	50
Ejection speed	Return	mm/s	80	80	80	60
Worktable moving distance		mm	2250	2250	2250	1300
Workbench load		T	40	40	40	20
Servo motor		Kw	140	110	80+18	22
Weight of machine		T	130	110	90	20

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Application

Main Body

The design of the whole machine adopts computer optimization design and analyzes with finite element. The strength and rigidity of the equipment are good, and the appearance is good.

Cylinder

Parts	Feature
Cylinder Barrel	Made by 45# forged steel, quenching and tempering Fine grinding after rolling
Piston Rod	Made by 45# forged steel, quenching and tempering The surface is rolled and then chrome-plated to ensure surface hardness above HRC48~55 Roughness≤ 0.8
Seals	Adopt Japanese NOK brand quality sealing ring
Piston	Guided by copper plating, good wear resistance, ensuring long-term operation of the cylinder

Servo System

1.Servo System Composition

2.Servo System Composition

Name	Model	Picture	Advantage
HMI	Siemens		The life of the button is strictly tested, and it is not damaged by pressing 1 million times. Screen and machine fault help, describe screen functions, explain machine alarms, and help users quickly master the machine usage
Name	Model	Picture	Advantage
PLC	Siemens		Electronic ruler acquisition line is processed independently, with strong anti-interference ability Digital control of the servo drive and integration with the drive
Servo Driver	YASKAWA		The overall busbar capacitor is fully upgraded, and the capacitor with wider temperature adaptability and longer service life is used, and the theoretical life is increased by 4 times; The response at 50Mpa is 50ms, the pressure overshoot is 1.5kgf, the pressure relief time is 60ms, and the pressure fluctuation is 0.5kgf.
Servo Motor	PHASE Series		The simulation design is carried out by Ansoft software, and the electromagnetic performance is superior;Using high-performance NdFeB excitation, the iron loss is small, the efficiency is higher, and the heat is smaller;

3.Advantages of Servo System

Energy saving

Compared with the traditional variable pump system, the servo oil pump system combines the fast stepless speed regulation characteristics of the servo motor and the self-regulating oil pressure characteristics of the hydraulic oil pump, which brings huge energy saving potential, and the energy saving rate can reach up to 30%-80%.

Efficient

The response speed is fast and the response time is as short as 20ms, which improves the response speed of the hydraulic system.

Precision

The fast response speed guarantees the opening and closing accuracy, the position accuracy can reach 0.1mm, and the special function position positioning accuracy can reach ±0.01mm.

The high-precision, high-response PID algorithm module ensures stable system pressure and pressure fluctuations of less than ±0.5 bar, improving product quality.

Environmental protection

Noise: The average noise of the hydraulic servo system is 15-20 dB lower than that of the original variable pump.

Temperature: After the servo system is used, the hydraulic oil temperature is reduced overall, which enhances the life of the hydraulic seal or reduces the power of the cooler.

Safety Device

frame-1

Photo-Electrical Safety Guard Front & Rear

frame-2

Slide Locking at TDC

frame-3

Two Hand Operation Stand

frame-4

Hydraulic Support Insurance Circuit

frame-5

Overload Protection: Safety Valve

frame-6

Liquid Level Alarm: Oil level

frame-7

Oil temperature Warning

frame-8

Each electrical part have overload protection

frame-9

Safety blocks

frame-10

Lock nuts are provided for movable parts

All action of press have safety interlock function, e.g. movable worktable will not work unless cushion return to initial position. Slide can not press when movable worktable is pressing. When conflict operation happen, alarm shows on touch screen and show what’s the conflict.

Hydraulic System

Feature

1.Oil tank been set forced cooling filtering system(industrial plate-type water cooling device, cooling by circulating water, oil temperature≤55℃，make sure machine can steadily pressing in 24 hours.)

2.The hydraulic system adopts integrated cartridge valve control system with fast response speed and high transmission efficiency.

3.The oil tank is equipped with an air filter to communicate with the outside to ensure that the hydraulic oil is not polluted.

4.The connection between the filling valve and the fuel tank uses a flexible joint to prevent vibration from being transmitted to the fuel tank and completely solve the problem of oil leakage.

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