Hardware stamping manufacturers, the reasons and treatment methods of burrs encountered in stamping processing

Metal stamping manufacturers often encounter the problem of burrs on stamping parts in the daily stamping production process. So what causes the glitch problem? How should it be solved? Xiaoshuo sorted out some to share with you: 1. Blunt cutting edge. Burrs can be produced when the cutting edge becomes blunt or gnawed. The factors affecting the dullness of the cutting edge are: 1. The material of the convex and concave molds and their surface treatment are poor, and the wear resistance is poor; 2. The structure of the punching die is poor, and the rigidity is poor, causing gnawing injuries; 3. The operation is not timely lubricated. Fast wear; 4. The cutting edge is not sharpened in time. Second, the gap. If the blanking gap is too large, too small or uneven, it can cause burrs. The following factors can affect the gap that is too large, too small or uneven: 1. Die manufacturing error, die parts processing that does not conform to the drawing, poor parallelism of the bottom plate, etc.; 2. Mold assembly error, large gap in the guiding part, different convex and concave mold assembly 3. The precision of the press is poor. For example, the gap between the guide rails of the press is too large, the bottom surface of the slider and the surface of the worktable are not parallel, or the stroke of the slider is not perpendicular to the press table, and the rigidity of the worktable is poor. , Deflection occurs during punching, which can cause changes in the gap; 4. Installation errors, such as the upper and lower bottom plates of the die are not cleaned during installation or the fastening method of the upper die of the large die is improperly installed, and the upper and lower die of the die are not installed concentrically ( Especially if there is no guide pillar die), the working part is tilted; 5. The structure of the die is unreasonable, the rigidity of the die and the working part is not enough, the punching force is unbalanced, etc.; 6. The steel plate has a large curvature and the steel plate is uneven. 3. Improper blanking state. For example, the blank (including intermediate parts) is not in contact with the punch or die. When trimming and punching with an improper positioning relative height, the height of the part may be lower than the relative positioning height. In the cutting process, the shape of the workpiece and the shape of the cutting edge do not conform, resulting in burrs. Fourth, the workmanship of the parts is poor. Complicated shapes with convex or concave sharp corners are prone to burrs due to rapid wear. Hardware, 15 years of ingenuity and focus on hardware stamping manufacturers, 20,000+ sets of mold customization production experience, monthly processing capacity of 100+ sets of molds, daily production capacity of 3 million punches, stamping accuracy up to 0.01mm, and 16 quality inspections strictly. It can quickly solve time-critical problems for you, solve stamping accuracy problems, and solve production quality problems. Choose, choose to rest assured!