In the process of bending , it often encounter that it is not easy to hold and position, and there have certain hidden processing hazards in the process.
A single batch of large and low production efficiency of small-size parts optimized by customizing special forming molds on the press brake machine.
Compared with the previous hard mold processing through the press, the special forming mold which matched on the bending machine,
which is more flexible in mold switching, debugging, and processing links, and the return on mold investment is higher.
Processing on the bending machine has improved the production efficiency more significantly and the product quality is more stable, effectively avoiding the safety hazards of the small-size parts in the past during the processing of the bending machine.
Where to adjust the pressure of CNC bending machine?
Adjustment of the slow motion of the slider of the hydraulic bending machine
When the slider moves down, the collision block “I” touches the stroke switch to make the slider move slowly. The length of the slow stroke time need to adjust by the adjustable meter.
Adjustment of the upper limit of the slider of the hydraulic bending machine
Adjust the position of the striker Ⅱ, so that the rising slider can stay at the required top dead center position,
which can shorten the stroke interval of the slider and reduce the working cycle time, thereby improving Consumption rate.
Adjustment of the gap between the upper and lower molds of the hydraulic bending machine
a.Operate the button on the button box at the bottom right of the workbench and operate in the direction indicated by the label.
The initial adjustment gap need to greater than the plate thickness, and the gap should trimm according to the angle of the folded workpiece.
The handwheel can also use to stop the fine adjustment. The adjustment value which display by the calculator. Each increase or decrease of a single digit is 0.1mm (0.1mm/revolution).
b.If the two ends of the workpiece angle do not diverge, you can loosen the nails, move the connecting rod to the left, disengage the left and right rotating connection, turn to the handwheel (up or down) to change the interval of one end of the mechanical limit
And achieve fine adjustment The purpose of the angle of the workpiece end. Note: After adjusting, set 18 back to its position and tighten the supporting nails, otherwise a mechanical accident will occur.
c.If the two ends of the workpiece angle are divergent, and the middle angle (large or small) does not diverge, this allows the upper mold to fine-tuned and install.
When use fine-tuning , the upper mold is close to the lower mold slot, and the middle upper mold connection template and adjustment block are slightly relaxing The upper screw, (the upper mold does not fall as a guideline) and then the upper adjustment block of the middle section (slightly knock left or right).
In the center of the small middle angle, make the upper die protrude appropriately, tighten the supporting nails, and try to fold until the full length angle of the workpiece reaches the allowable value.
Adjustment of the bending force of the hydraulic press brake
Calculate the KN value of the sheet bending force in the table or according to the bending force calculation formula, and calculate the indicated pressure P value according to Table 1, and then adjust the relief valve 8 With the hand wheel, the force generated by it is slightly larger than the KN value of the folded plate.
Adjustment of the interval of the back gauge of the hydraulic press brake
The back gauge use for positioning in the length direction when the sheet is bent. The button on the front button box controls the motor adjustment, and the adjustment value can be turned from the button box.
Read out in the number table, the conversion value of the number table is 0.1mm/revolution, and there is a handwheel to stop the fine adjustment.
6.The foot switch of the hydraulic press brake can make the slider move up or down, which is cumbersome to operate.