Rectangular pipe punching die
High precision stamping quality supplier
Punching die is a typical single process punching die, the parts for circular material, punching symmetry. Usually for a molding, common defects are crack, flanging, burr and so on.
Punching die drilling, the working principle is: under the action of power, punch quickly through the concave die, the use of shear force to punch down the pipe hole, so as to achieve the pipe drilling. One hole at a time, as long as the die gap is put in place, drilling is very smooth, take the pipe is relatively smooth.
If you can punch holes at one time or complete all holes at once, we call the punching hole, such a die, called multi-punch die. More die in the process of punching, often under a porous, even punching clearance in place, but as a result of perforated pipe, the pipe bending and deformation, will cause the mold shift, make the mould hole with a blunt knife release crisscross phenomenon, after the blunt knife sets will touch the die hole, so that the internal model Kong Chong, burr, and make the pipe hole semi-manipulator and pipe.
Punching mold a blunt porous, often material, wall thickness, steel tubes, the degree of the whole aperture size, groove, the positions have close relations, if consider not comprehensive, these factors will affect the punching external quality, sometimes tend to take out the pipe, visible punching mold a blunt porous stripping smoothly and measure this pair of die is an important symbol of quality.
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