Baijun Machinery specializes in hot pressing equipment, precision stamping equipment, and powder forming equipment.

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180-2225-3860

  • Steel Back Molding Hydraulic Press
  • Steel Back Molding Hydraulic Press
Steel Back Molding Hydraulic Press
Steel Back Molding Hydraulic Press
+

Product Description


Steel-backed molding hydraulic press

1. Equipment Usage

BZ17GB Series Steel Back Molding Hydraulic Press Primarily used in the automotive steel-back punching and forming process, this technology seamlessly integrates multiple steps—such as precision punching and shaping, flattening, and bead pressing—into a single operation. This not only significantly reduces labor and material costs but also minimizes the number of required equipment and space, boosting overall production efficiency and, consequently, slashing manufacturing expenses.

Two • The mechanism and performance of the press

The stamping machine features a four-column structure, with the entire unit undergoing computer-optimized design. It emphasizes a unique product design ethos that prioritizes overall machine performance while ensuring practicality, durability, high rigidity, and exceptional reliability.

(1) Mechanical components

1) The stamping machine primarily consists of three major components: mechanical structure, hydraulic transmission, and electrical control.
2) Fuselage: Ensures rigidity for precision.
3) Stamping Machine: The cylinder barrel and piston rod must be made from high-quality materials. Specifically, the piston rod of the main cylinder should be crafted from high-strength forged components, with a hardness of approximately HRC50–55° in the guiding section. This ensures that minor leaks caused by surface scratches on the piston rod—often seen as a common issue—are completely eliminated. Additionally, the piston rods for the base cylinder must undergo tempering treatment and receive a hard-chrome plating with a coating depth of at least 0.03 mm. For the main cylinder seals, we use advanced, low-friction, imported U-shaped sealing rings designed to withstand high pressure. Meanwhile, the piston rod’s motion is guided by non-metallic, wear-resistant bushings, preventing metal-to-metal contact that could lead to cylinder scoring or "pulling."

(II) Hydraulic components

1) A hydraulic transmission system consists of energy conversion devices (including cylinders, motors, pumps, and more), energy regulation and control components (such as integrated control valve blocks, pilot valves, filling systems, various pressure valves, directional valves, and flow valves), auxiliary equipment (like oil tanks, cooling systems, circulating filtration systems, and piping), as well as hydraulic accessories (such as oil filters, flanges, connectors, pressure gauges, level indicators, and additional piping). These elements work together under the control of an electrical system to execute a continuous cycle of various operational movements.
2) The main pump is equipped with high-quality components, enhancing the reliability of the press machine's operation, extending its service life, and minimizing hydraulic system shocks. Additionally, the hydraulic lines feature strategically placed shock-absorbing pipe clamps to ensure smooth, vibration-free performance. Wherever shock risks exist within the hydraulic circuit, high-pressure flexible hoses are used for seamless connections.
3) The main integrated oil circuit control system utilizes a cartridge valve system, which features a compact design, sensitive and reliable operation, strong resistance to contamination, minimal fluid flow resistance, easy maintenance, and an extended service life. Additionally, the hydraulic oil cooling system is equipped with a water-cooled cooler, ensuring that the oil temperature remains within the optimal operating range, thereby preventing overheating-related leaks and degradation over time.

(III) Electrical Components

1) Electrical design and construction must comply with national standards. The power supply is 380V, 50Hz; the control power supply is 220V, while the pilot solenoid valve operates on DC 24V, and the indicator lights are powered by 24V.
2) It features a separate electrical control box. The electrical control system uses a PLC as the main controller, working in conjunction with advanced pilot-operated cartridge valves to achieve centralized control of the entire system. This setup allows for streamlined, button-based operation of all machine functions, ensuring both reliable motion and overall system performance.
3) Power section: Includes controls for the main power supply and the start/stop functions of all motors, along with protective switches and residual-current devices. The motors are started using a reduced-voltage starting method, and the electrical control cabinet is equipped with ventilation and air-exchange systems.
4) Control System: The system features centralized control via an electrical control box, with a touch-enabled industrial display panel mounted above the operator interface. This panel includes operation buttons, selector switches, and options for setting key parameters and troubleshooting, enabling users to perform all necessary functions of the stamping machine while keeping track of the press's operational status at all times.
5) The semi-automatic operating mode features dual-hand buttons, complemented by an emergency stop button, power indicator, and essential control buttons, enabling centralized management of the entire machine.

Three Press operation method:

(1) Adjustment method

1) Pressing the corresponding button triggers the associated action; releasing your hand stops the motion. This action is not fast-paced.

(II) Automatic action

1) The automatic sequence of the four-cylinder press: Automatic start—Main cylinder rapid descent—Main cylinder mid-descent—Main cylinder slow descent—Upper material-ejection cylinder positioning—Upper center cylinder action—Upper center cylinder retraction—Main cylinder reaches slow-descent position—Main cylinder returns to its home position—Lower main cylinder rises—Lower center cylinder rises—Lower center cylinder retracts—Lower main cylinder completes its return stroke.

Main components

Serial Number
Name
Manufacturing plant
1
Main oil pump
Shaoyang
2
Two-way cartridge valve integrated system
Jining Taifeng or Taiwan Jiugang
3
PLC
Sanling
4
Human-Machine Interface
Kunlun Tongtai
5
Electric motor
Jiang Chen
6
Master cylinder seal
DAS
7
Major electrical components
Schneider Electric or Omron
8
Other electrical components
Chint Electric and Delixi
9
Proximity switch
Guangzhou Tianzheng
10
Pressure relay
Lex
11
Electromagnetic Directional Control Valve
Taiwan's East Peak or Northern Taiwan
12
Liquid Filling Valve
East China
15
Oil cylinder
Homemade
16
Proportional valve
Kili or Dongfeng
 

4. Equipment Safety Protection Measures

1) The equipment is equipped with photoelectric safety protection devices.
2) The hydraulic system is equipped with an overload protection device that automatically diverts excess oil when the oil pressure exceeds the set (adjustable) value, ensuring the system pressure never surpasses its maximum capacity.
3) The slider can remain stationary at any position. Also known as the hydraulic support safety system, its supporting force can be rationally set and adjusted according to the size of the mold.
4) The control panel features separate stationary and red mushroom-shaped emergency stop buttons. In case of an anomaly, pressing the "Stationary" button will halt all press operations, while activating the "Emergency Stop" button will immediately shut down both the motor and other components.

5. Equipment operating environment

1) Equipment operating temperature: 0°C to 40°C.
2) The supply voltage is 380V (±10%), three-phase five-wire system, 50Hz.
3) The hydraulic system uses the following fluid: 68# anti-wear hydraulic oil.
4) Use oil temperatures between 10–50°C (reliably cooled using a chiller).

 

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  • Steel Back Molding Hydraulic Press
  • Steel Back Molding Hydraulic Press
Steel Back Molding Hydraulic Press
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Steel Back Molding Hydraulic Press

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