Operating a press brake requires following a series of rigorous steps to ensure safe and efficient completion of bending tasks.The following is a detailed guide for operating the press brake:
Preparation before operation
1.Check the equipment
(1)Appearance inspection: Check the appearance of the press brake for any damaged, deformed or loose parts, such as protective covers, baffles, etc., to ensure their integrity and stability.
(2) Lubrication inspection: Check the lubrication condition of each lubrication point, add an appropriate amount of lubricating oil or grease to ensure smooth operation of the equipment.
(3)Electrical inspection: Check whether the electrical circuit is intact, whether there is damage or aging, whether the plug and socket are in good contact, and whether the grounding is reliable.
(4)Hydraulic inspection: For hydraulic press brakes, check whether the hydraulic oil level is within the specified range, whether the oil quality is clean, and whether the hydraulic system has leaks.
2.Familiar with drawings and process requirements
(1)Carefully read the drawings of the bent parts to understand the requirements such as shape, size, bending angle, and bending sequence of the parts.
(2) Select appropriate molds and bending parameters according to the process requirements.
3. Install the mold
(1) Choose mold: Select the appropriate upper and lower molds based on the bending angle, plate thickness, and material of the parts.
(2) Install the upper mold: Install the upper mold on the slider, tighten it with bolts, and ensure that the upper mold is securely installed without any looseness.
(3) Install the lower mold: Install the lower mold on the workbench, adjust the position and height of the lower mold to align with the upper mold, and ensure even gaps.
4. Adjust bending parameters
(1) Bending pressure: Adjust the pressure of the press brake according to the thickness and material of the plate, ensuring that there is enough pressure to deform the plate during the bending process, but not too much to cause mold damage or plate rupture.
(2) Rear material blocking position: Adjust the position of the rear material blocking according to the size of the part, so that it can accurately locate the bending length of the board.
(3) Slide stroke: Adjust the stroke of the slider to achieve the desired bending angle during the bending process without interfering with the mold or other components.
Operation steps
1.Start equipment
(1) Turn on the power switch of the press brake, start the hydraulic system (for hydraulic press brakes), and observe whether the equipment is running normally, whether there are any abnormal noises or vibrations.
(2) Conduct a no-load trial run to check whether the up and down movement of the slider is smooth, whether the movement of the rear stopper is accurate, and whether the buttons and operating handles are flexible and reliable.
2. Place the board
(1) Place the board to be bent on the workbench and ensure it is in close contact with the rear stopper to ensure accurate positioning of the board.
(2) For longer boards, auxiliary support devices can be used to prevent bending or deformation during the bending process.
3. Perform bending
(1) Press the start button of the press brake with both hands (make sure to operate with both hands for safety), and the slider will start to descend to bend the sheet metal.
(2) During the bending process, closely observe the deformation of the sheet metal. If there are any abnormalities, stop the equipment immediately, check the cause, and make adjustments.
(3) After completing a bend, move the slider up and take out the bent part to check if its size and angle meet the requirements.
4. Repeat the operation
(1) According to the bending sequence and quantity of the parts, repeat the above steps to complete each bending process in sequence.
(2) During the bending process, promptly clean up any debris and waste on the workbench to maintain a clean working environment.
Work after operation
1. Turn off the device
(1) After the bending work is completed, turn off the power switch of the press brake and stop the hydraulic system (for hydraulic press brakes).
(2) Clean the equipment and remove dust, oil stains, and debris from the surface of the equipment.
2. Maintenance and upkeep
(1) Inspect the various components of the press brake, and replace them promptly if worn or damaged parts are found.
(2) According to the requirements of the equipment maintenance manual, perform regular maintenance and upkeep on the equipment, such as replacing lubricating oil, hydraulic oil, cleaning the hydraulic system, etc.
3. Organize the site
(1) Arrange the molds, tools, etc. in their proper positions and place them neatly.
(2) Classify and store bent parts, and label them properly.
Safety precautions
1. Operator training: Operators must undergo professional training, familiarize themselves with the structure, performance, operation methods, and safety precautions of the press brake, and obtain the corresponding operating qualification certificate before they can start working.
2. Adhere to operating procedures: Strictly follow the operating procedures of the press brake and do not operate in violation of regulations. During the operation, one must concentrate and not leave the work post without authorization.
3. Wear protective equipment: Operators must wear personal protective equipment such as safety helmets, protective goggles, earplugs, gloves, etc. to prevent accidents.
4. Equipment safety protection: Ensure that the safety protection devices of the press brake are complete and effective, such as protective covers, baffles, emergency stop buttons, etc. During the operation of the equipment, safety protection devices must not be dismantled or damaged at will.
5. Multi person collaboration safety: When multiple people collaborate to operate the press brake, clear division of labor and mutual cooperation should be established to ensure safe operation. Before starting the device, make sure that the surrounding personnel are in a safe position.
