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YJH72-100Rare Earth Permanent Magnet Forming Hydraulic Press

1. YJH72 rare earth permanent magnet forming hydraulic press
This series of hydraulic press consists of three types: YJH72P(250kN, 630kN, 1000kN),YJH72F(250kN, 400kN, 630kN, 1000kN, 2000kN) and YJH72D(250kN, 400kN, 630kN, 1000kN). The machine adopts PLC control technology to realize the orderly control of each stage in the pressing process. The combination of hydraulic transmission and mechanical positioning ensures high consistency of the precision and density in the repeated positioning process and it allows fully enclosed device setting according to customer’s requirements.
YJH72P rare earth permanent magnet bidirectional forming hydraulic press： in the pressing molding process, it adopts the method of synchronous, bidirectional and equal pressure with upper and lower pressure heads, so that the product is uniformly pressed by two directions, and the product has uniform density and high consistency.
YJH72F rare earth permanent magnet bidirectional forming hydraulic press：in the pressing molding process, it adopts floating pressing forming technology to make the ideal netral layer distribution of products.
YJH72D rare earth permanent magnet bidirectional forming hydraulic press：the series press adopts frame combination structure andPLC control and can be equipped with automatic feeding mechanism, and the mould structure is simple, and easy to change. Both vertical or parallel magnetic field orientation can be obtained.
2. Main Technical Parameters of YJH72Rare Earth Permanent Magnet Forming Hydraulic Press
No.
Item
Unit
YJH72F(P)-25
YJH72F-40
YJH72F(P)-63
YJH72F(P)-100
YJH72F-200
1
Nominal Force
kN
250
400
630
1000
2000
2
Reverse Stroke Force
kN
120(130)
180
165
270(315)
480
3
Ejector Force
kN
250
280
530(630)
315(630)
600
4
Backing Force
kN
180(125)
180
330(400)
500(400)
1000
5
Max Liquid Working Pressure
MP a
21
25
25
25
25
6
Max Slider Stroke
mm
350
350
400
500
600
7
Max Stroke of Ejector Cylinder
mm
350(200)
200
300(400)
370(300)
500
8
Slider Running Speed
High-Speed Down Stroke
mm／s
90(100)
50
150(90)
100(80)
90
Slow-Speed Down Stroke
mm／s
46(35)
20Adjustable
20Adjustable(30)
10(25)
18
Floating (Bidirectional) Pressing
mm／s
46(5-15)
10-18
10-18
6-10
10-18

Reverse Stroke

mm／s
95(80)
90
80(115)
80(90)
80
9

Lower Piston Running Speed

Ejector

mm／s
10一18
10—18
6一10
10—18
28
Floating (Bidirectional) Pressing
mm／s
46(5—15)
5—9
5—9
3—5
5-9
Backing
mm／s
50(80)
47
37(45)
40(50)
40
10
Effective Area of Workbench Top
L-R
mm
540(720)
500
630(800)
800(720)
F-B
mm
720(540)
540
720(800)
800(580)
11
Max Distance between Slider and Workbench Top
mm
1800
870
1100(1300)
1740(1100)
2475
12
Size of Machine Outline
L-R
mm
3000
1700
3265(2700)
3200(2600)
F-B
mm
1200
2000
1460(1200)
2400(1800)
Above Ground
mm
4080(3640)
2905
3950(4620)
4500(4100)
13
Motor Power
kW
11
11
11(15)
11(7.5)
15
14
Total Weight
kg
4000(4800)
4000
5700(6000)
8000(8800)
11400
3. Oriented Electromagnet
1) Electromagnets features uniform magnetic field, high field strength and quick magnetization, and the copper water cooler in line compartmentensures continuous and stable operation.
2) PLC control and advanced silicon rectifierdevice are applied in electric control part with the continuously adjustable output voltage of 0 - 500V which has the functions of over-current protection, magnetizingunder current alarm, line package continuation, fast inversion, and so on.
4. Main Technical Parameters of Oriented Electromagnet
Item
Unit
Specification
T/DCT-220
T/DCT-250
T/DCT-300
T/DCT-360
T/DCT-400
PostDiameter
mm
φ220
φ250
φ300
φ360
φ400
Pole Convergence Diameter
mm
φ150
φ150
φ250
φ280
φ320
PolarAdjusting Pitch
mm
4-100
4-180
40-200
40-220
40-220
Magnetic Field Intensity
T
Air Gap50mm H≥2.0
Air Gap50mm H≥2.1
Air Gap50mm H≥2
Max Interelectrode Distance
mm
100
180
200
Cooling Method
Water Cooling
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