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Hydraulic Press Manufacturer selection is no longer a simple price comparison - it is a strategic choice that will shape your productivity, quality, and long-term profitability. For many factories, the press is at the center of metal forming, and when it stops or produces unstable parts, the whole line feels the impact. (GY2S Series) Understanding Your Production Reality Before you compare one Hydraulic Press Manufacturer with another, it is important to look honestly at your own production reality. Many problems in stamping and forming do not start with the press itself. They come from a mismatch between the machine and the job. If you run high-strength or special materials, you need stable tonnage, rigid frames, and precise slide guidance. If you are drawing thin plate for sinks, housings, or covers, you need smooth speed control and accurate pressure holding. When these needs are not clear, companies often buy a "standard" press that looks strong on paper but struggles in daily work. As a manufacturer founded in 1958, GUANGDUAN has seen this pattern repeat over more than 60 years. Customers tell us about: • unexpected cracks during deep drawing • uneven wall thickness on thin plates • noise and vibration that tire operators and damage tools • slow changeovers that waste time between different parts (YA28 Series) These pain points usually come from three gaps: the wrong press structure, insufficient control precision, and limited automation or recipe management. That is why we design series such as the GY2S hydraulic press with a welded box frame, high-rigidity slider, and eight-sided full guide rails. The goal is simple: keep deflection low, keep alignment stable, and keep your die working in the right window for longer. When you review your current line, ask practical questions: How often do you adjust the press to chase quality? How much time do you lose when changing tools? How many operators do you need around each press? Honest answers to these questions will guide you toward the right Hydraulic Press Manufacturer more than any brochure can. What to Look for in a Hydraulic Press Manufacturer Once your needs are clear, the next step is to evaluate the Hydraulic Press Manufacturer behind the machine. A press is a long-term asset. You are not just buying steel and hydraulics; you are choosing a partner that will support you for 10 - 20 years. Proven Engineering Capabilities A serious manufacturer should have a strong engineering foundation, not only assembly capacity. At GUANGDUAN, we have built a full ecosystem for R&D and testing, including a provincial engineering technology center and a key laboratory for metal forming and forging equipment technology. More than 100 engineers and technicians work on structure design, control systems, and process optimization. This matters because your applications are not static. New materials, new part shapes, and new quality standards keep coming. A Hydraulic Press Manufacturer with real R&D strength can adapt standard models and develop custom solutions, instead of forcing you to accept a "one-size-fits-all" machine. Stable, Accurate Press Performance On the shop floor, performance is what your team sees every day. For example, the GUANGDUAN GY2S Series Hydraulic Press uses: ✅ A high-quality welded box frame for rigidity and easier transportation ✅ A steel plate slider with eight-sided full guide rails for precise guidance and long-term precision retention ✅ A thin-oil continuous circulation lubrication system to reduce wear and help stabilize accuracy For many customers, the real change comes from control. The GY2S Series adopts a servo closed-loop control system with servo motor, pressure and displacement sensors, and PLC. This combination allows high precision, low noise, and low vibration while saving energy. Up to 20 sets of mold parameters can be stored and recalled on the touch screen, which helps reduce setup time and human error when switching between parts. When you compare suppliers, focus on how they guarantee accuracy over time, not only at the factory acceptance test. Ask them about their measurement and testing capability, their machining centers, and how they check frames, slides, and key components. A Hydraulic Press Manufacturer that invests in advanced measurement and gear or crankshaft grinding equipment is better prepared to deliver consistent machines to you. Future-Proofing with Technology, Safety, and Service A modern Hydraulic Press Manufacturer must think beyond the single press and look at your whole production lifecycle. This includes digital control, operator safety, tooling protection, and after-sales support. In deep drawing and forming of thin plates, our YA28 and Y28 Series Four-Column Double Action Hydraulic Presses show how this works in practice. These presses use a four-column, three-beam structure, with cylinders and rods that are thermally refined, polished, and chrome plated for rigidity and smooth guidance. They are widely used for stainless steel ware, hardware, and electrical appliances where surface quality and consistent depth are critical. Operators can choose fixed position or fixed pressure modes, hold pressure with a delay, and adjust working pressure and stroke to match each job. Safety is built in through two-hand synchronization and anti-repeat functions, plus multi-level protections in the control system. On the GY2S Series, for example, a slider locking device can hold the slide at any position to prevent unexpected movement during maintenance or die changes. (Y28 Series) From a buyer

Four Column Double Action Hydraulic Press Machine YA28 Series

YA28 Series Four Column Double Action Hydraulic Press mainly for thin plate deep drawing, forming, aligning, bending, and folding. It is widely used in hardware and electric appliance, stainless steel ware, electronic component, and motor manufacturing industries.

Four column and three beam structure, cylinder, and cylinder rods are chrome plated after thermal refining and polishing. High rigidity, good guidance performance, and fast idle running.

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What is a Four Column Hydraulic Press Machine?

The four column hydraulic press machine is an oil pump that delivers hydraulic oil to the integrated cartridge valve block. The hydraulic oil is distributed to the upper or lower chamber of the cylinder through each check valve and relief valve, and the cylinder is moved from a high position. A hydraulic press is a device that uses liquid to transmit pressure. When a liquid transmits pressure in an airtight container, it obeys Pascal’s law.

Features

  • The main hydraulic components and seals are world-renowned for superior performance and reliable quality.
  • The working process can choose fixed position or fixed pressure mode, as well as maintain pressure and delay.
  • Working pressure and stroke can be adjusted within the range to meet different processing requirements.
  • Centralized button, adjustable/single cycle operation type selectable, with two-hand synchronization and anti-two-hand duplication safety function.

Working principle

The hydraulic transmission system of the four-column hydraulic press consists of a power mechanism, a control mechanism, an executive mechanism, an auxiliary mechanism, and a working medium. The power mechanism usually uses an oil pump as a power mechanism, generally an integrated oil pump. In order to meet the speed requirements of the actuator, one oil pump or multiple oil pumps can be selected.

No information.

Specification

Unit

YH28-275

YH28-425

YH28-500

YH28-700

YH28-900

YH28-1200

Nominal capacity

kN

2750

4250

5000

7000

9000

12000

Main Cylinder Capacity

kN

1750

2750

3000

4500

6000

8000

Lower cylinder capacity

kN

1000

1500

2000

2500

3000

4000

Main Cylinder Stroke

mm

560

620

620

710

710

800

Bottom Cylinder Stroke

mm

300

300

350

350

350

350

Main Cylinder Downward
Speed(Min.Load)

mm/s

300

250

200

220

220

250

Main Cylinder Working Speed

mm/s

17/24

15/23

15/23

10.5/27.5

10/25

8/15

Main Cylinder Return Speed

mm/s

225

250

210

160

190

220

Lower cylinder ejecting speed

mm/s

60

90

55

60

60

60

Upper ejector stroke length

mm

220

220

220

220

220

350

Upper ejector capacity

kN

35

35

35

45

45

200

Bolster Area

LR inside column

mm

1000

1120

1250

1400

1400

1600

FB to edge

mm

1120

1250

1400

1600

1600

1600

Pin holes area  (LF*FB)

mm

930*770

940*800

110*930

1330*1200

1330*1200

1350*1100

Main cylinder hydraulic pressure

mm

1000

1200

1250

1300

1300

1300

Main cylinder hydraulic pressure

MPa

19

20

22

20.5

24.5

23

Lower cylinder hydraulic pressure

MPa

24

25

24

24

25

25

Servo motor

kw

22

37

37

45

55

75

Weight

kg

9000

14500

23500

31000

35000

55000

Overall dimension

LR

mm

2160

2300

1660

1860

1860

2500

FB

mm

1980

2100

1430

1630

1650

1650

H

mm

3900

4345

4480

4740

4800

6000

Bolster to ground

mm

1195

1335

1435

1465

1530

2150

Oil volume

L

900

1000

1000

1600

1600

2000

External hydraulic
station for GYA28

External hydraulic
station

External hydraulic
station

External hydraulic
station

YA28(YH28)100-200

YA28-350/450/700

YA28-350/450/700

YA28-275/425/500/700

YA28(YH28) SERIES

YA28(YH28) SERIES

Ejector positions should rotate 90 degrees for Model YH28 (Y28)-200.

Dotted lines T-slot in Fig.3 is model YA28-700.

Ejector layout configuration is for reference, subject to latest drawing.

Bolster and Slide Dimension

Model

A

B

C

D

E

F

G

H

M

N

O

P

R

S

T

L

Center bolt hole

YH28-100

18

30

14

30

225

310

140

25

48

32

—

—

—

—

—

—

M36

Y28-120B

18

30

14

30

225

280

140

25

42

32

—

—

—

—

—

—

M36

YH28-150

18

30

14

30

275

280

140

25

48

32

—

—

—

—

—

—

M60X2

Y28-200

22

37

16

38

305

285

150

25/30

52

32

—

—

—

—

—

—

M60X2

YH28-200

22

37

16

38

305

285

150

27.5

52

32

—

—

—

—

—

—

M60X2

Y28-350

28

46

20

50

381

400

—

—

58

40

63.5

12

63.5

10

—

—

M60X2

Y28-450

28

46

20

50

381

350

—

—

76

40

63.5

14

63.5

12

—

—

M60X2

Y28-700

28

46

20

50

381

430

—

—

90

50

63.5

16

63.5

12

381

280

M60X2

YA28-275

22

37

16

38

240

425

—

—

100

40

80

11

80

9

—

—

M60X2

YA28-425

28

46

20

50

240

470

—

—

100

40

80

11

80

9

—

—

M60X2

YA28-500

28

46

20

50

240

535

—

—

128

40

80

13

80

11

480

300

M60X2

YH28-700

28

46

20

50

320

515

—

—

102

50

80

16

80

14

480

320

M60X2

YA28-900

36

60

25

60

—

—

—

—

—

—

—

—

—

—

—

—

M60X2

YA28-1200

36

60

25

60

—

—

—

—

—

—

—

—

—

—

—

—

M60X2

Remarks: Specifications are subject to change without notice.

No information.

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Four Column Double Action Hydraulic Press Y28 Series

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