20171031(火)

Bends in both heavy metal sheets

Bends in both heavy metal sheets as well as in thinner materials are made by one of the two kinds of press brakes. These two kinds are the mechanical press brake and the hydraulic press brake. Hydraulic press brake systems are more ideal when a person needs to apply an extreme amount of pressure. The hydraulic system is capable of going over 50,000 metric tones. Hydraulics are predominantly chosen since they offer steady pressure all through the extensive stroke length, high or variable forces, and wide variations brake lining manufacturers外部リンク in stroke length. There is a lot that goes into the hydraulic press brake systems, and you should gain a basic knowledge of it, which is the intent of this provided list.

1. Hydraulic Fluid

Hydraulic fluid runs through the hydraulic press brake system. A lot of force pushes the hydraulic fluid. The force comes from the hydraulic pump and energizes the fluid. The fluid then moves into the cylinders, which are the actuators, and drops off large amounts of energy to the piston. The piston controls the bending tools. Once the energy has been delivered to the piston, the fluid moves back into the hydraulic pump where it is recycled to repeat. Petroleum oil with additives makes up the hydraulic fluid.

Also, the hydraulic fluid oils the assortment of workings in the hydraulic press brake and gets rid of the contaminants and metal fittings. This fluid can function in temperatures in the hundreds of degrees Celsius. It heats in the hydraulic pump when energy is produced.

2. Hydraulic Pump

The hydraulic pump creates the power that rejuvenates the hydraulic fluid and sends it through to finish the pressing operations. If you see a pump that has the rating of 5,000 psi, it means that the pump is able to uphold the flow of liquid against the loads of 5,000 psi or it can apply that much pressure. The power density of hydraulic motors is ten times that of electric motors by volume; gears, belts, or flexible couplings join the engine. It can be a gear pump, vane pump, axial piston pump, or radial piston pump.

3. Actuator

The power held within the hydraulic fluid is relinquished to the actuator, and the pressing operation is finished. There is a range of actuators, but the most commonly used in hydraulic press brakes are the hydraulic cylinders. The hydraulic cylinder consists of a cylinder barrel and a reciprocating piston. Hydraulic fluid energy is taken to the piston for the process of metal sheet pressing. The stroke length of the piston can be automatic, depending on the depth of the metal sheet and angle of the bend. The pistons stroke length varies because of the cylinders stroke length; forces and pressure of the piston are maintained and complete pressure is allowed by the entire stroke. The speed can be steady or programmed to change. The hydraulic cylinder is the motor side.

4. Control valves

The control valves guide the hydraulic fluid to the preferred actuators and control the amount of fluid and energy that is allowed to reach the actuator. When multiple actuators are involved, the control valves evenly dispense the fluid.






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