STANDARD PRH4-4x3000 Hydraulic 4-Roll Plateroller with Pre-Bend

Standard PRH4-4x3000mm Hydraulic 4-Roll Plateroller with Double Initial Pinch (Pre-Bend):

The four-roller metal plate bending machine is automatic, with international advanced technology, the rounding program is automatically formulated, it has a full hydraulic drive with intelligent control and automatic rounding of the CNC metal plate bending machine. This piece of equipment has the capability for batch rolling round multi-segment arc, square, cone and special-shaped work pieces.

• One-time roll forming, intelligent control.
• Visual input touch screen, editing process steps, which can store 100 sets of data
  EPS electronic balance system, the system keeps the roller movement parallel within 0.10mm range.
• Self diagnosis fault, man support machine dialogue, intelligent judgment of operating errors.
• This machine is driven by hydraulic cylinders with high repeatability.
• The 4 - roller shaft is driven by multi-stage deceleration hydraulic pressure, the large torque is stable and reliable.
• Steel plate welded integral frame and base to meet medium and large rolling strength.
• The frame and the base are annealed as a whole to eliminate stress and never deform.
• The roller shaft is forged as a whole and has undergone hardening treatment process of quenching and tempering.
• Compatible with manual and automatic modes.

• Max Bending Thickness - 4mm = 0.1575 inches
  
• Pre-Bending Thickness - 3.5mm = 0.1378 inches
• Roller working length - 3100mm = 122.05 inches
• Plate Yield Limit - 245Mpa = 35,569.44 psi
• Top Roller Diameter - 210mm = 8.27 inches
• Bottom Roller Diameter - 190mm = 7.48 inches
• Side Roller Diameter - 170mm = 6.69 inches
• Main Motor Power - 5.5kW = 7.38 hp
• Machine Dimensions - 5650x1420x1400mm = 222.44 x 55.91 x 55.12 inches
• Weight - 6300kg = 13,889.61 lbs

• Siemens K500 NC control system
• Alien s650 CNC control system
• Laser sensor

This machine is specifically built and the delivery is 9-14 Weeks from Deposit.

Using a Hydraulic 4-Roll Plate Roller involves several steps to bend metal plates or sheets. The 4-roll design allows for precise and consistent bending by eliminating the need to pre-bend the leading end of the material. Here's a general guide on how to use a Hydraulic 4-Roll Plate Roller:

1. Preparation:

• Make sure the machine is properly set up and leveled on a stable surface.
• Check the hydraulic system and ensure there is sufficient hydraulic fluid.
• Verify that all safety guards and devices are in place and functioning correctly.
• Select the appropriate tooling (top and bottom rollers) based on the material and required bend radius.

2. Load the material:

• Place the metal plate on the machine's rollers, ensuring it is aligned and centered with the machine's centerline.
• The plate's width should be within the machine's roller width capacity.

3. Adjust roller positions:

• Use the control panel to adjust the position of the side rollers according to the desired bending radius. The side rollers are responsible for determining the curvature of the bend.
• The top roller can usually be adjusted both horizontally and vertically to control the bending process.

4. Start the bending process:

• Activate the hydraulic system to apply pressure to the top roller, which will begin bending the material as it passes through the machine.
• The top roller's movement will pull the plate through the machine while the side rollers control the bending radius.

5. Monitor the process:

• Keep an eye on the material as it passes through the machine to ensure it is bending correctly and consistently.
• Check that the bending radius meets the required specifications and does not exceed the plate's yield limit.

6. Make adjustments as needed:

• If necessary, adjust the side rollers or top roller position during the bending process to achieve the desired bend shape and dimensions.

7. Repeat if needed:

• For multi-pass bending or complex shapes, you may need to pass the material through the machine multiple times, adjusting the roller positions accordingly.

8. Finishing:

• Once the desired bend is achieved, carefully remove the bent plate from the machine.

9. Safety:

• Always prioritize safety during operation. Follow the manufacturer's safety guidelines and wear appropriate personal protective equipment (PPE).
• Never exceed the machine's capacity or the plate's yield limit to prevent damage to the machine or potential accidents.

Please note that the specific operation may vary depending on the model and manufacturer of the Hydraulic 4-Roll Plate Roller. Always refer to the machine's manual and receive proper training before using the equipment.