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Sheet metal bending processing difficult problems and processing methods

  • Time of issue:2024-05-18 19:21
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Sheet metal bending processing difficult problems and processing methods

(Summary description)Sheet metal bending processing of difficult problems and ways to deal with them
In the sheet metal bending process, often encountered many problems, understanding this common phenomenon and the way to deal with the next step in the sheet metal bending process to give a solution to the problems encountered, so as to achieve rapid and efficient manufacturing results.

  • Time of issue:2024-05-18 19:21
  • Views:
Information

Sheet metal bending processing of difficult problems and ways to deal with them
In the sheet metal bending process, often encountered many problems, understanding this common phenomenon and the way to deal with the next step in the sheet metal bending process to give a solution to the problems encountered, so as to achieve rapid and efficient manufacturing results.
Difficulties and solutions
1. Cause of the problem: After bending a sheet metal part, the workpiece is deformed at the sheet metal bending process.
Cause: The deformation may occur because the bending speed is faster and the hand does not follow the sheet metal bending speed of the workpiece.
Solution: Reduce the bending rate of the sheet metal part and synchronize the workpiece with the hand.
2. The cause of the problem: bending a longer workpiece, there will be the perspective of a large head, a small head.
Such a situation, generally the following conditions lead to.
(1). Sheet metal material thickness inconsistency, one end of the thick end of the thin.
(2). Sheet metal parts mold damage is not uniform, the height of the two sides are not the same.
(3). The center block is not balanced, not in the same degree.
(4) Solution.
1). Send to laser or NCT to keep an eye on material selection.
2). Change the laser die.
3). Adjust the center block.
3. Cause of the problem: When bending Z-folds, some workpieces are deformed.
Cause: This situation may be due to the C for the lower fixed position, bending B, the workpiece folding upward movement, hit the back of the gauge on the rear gauge is squeezed by the rear gauge. After bending and molding, D is squeezed into shape.
Solution: Use the back gauge to pull back.

Sheet metal bending

4. The cause of the problem: sheet metal parts bending specifications are relatively small, not very accurate positioning, the lower die is very easy to pressure on the rear fixed gauge.
Cause: Because t = 0.8, according to the upper die using the standard, v = 5 × 0.8 = 4mm.4v core to the side of the distance of 3.5mm, and 2.9mm inside the size of the 2.9-0.8 = 2.1mm, bending specifications in the v axis to the side of the spacing, the suit can not be positioned. Select the upper mold reverse loading, the lower mold will be pressed in the rear fixed gauge, positive and negative side of the suit are difficult to achieve, if you think of other ways.
Solution: The upper mold can be reversed. Add a gasket in front of the back of the gauge (not higher than 3t), so that the back of the gauge backward, around the lower mold.
In recent years, sheet metal processing plant good at complex bending machine production and processing of carefully prepared technicians are increasingly in short supply, most of the processing plant depends on the operator themselves to carry out the preparation and use of bending machines. Sheet metal processing industry production at the level of CNC lathes and molds to appear a variety of technological advances, CNC lathes are now able to press processing, laser cutting and bending and speed and precision far exceeded the public's expectations

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