The stamping process of cylindrical stretching parts is that the inverted plate first touches the plate and presses firmly, and the die holder is lowered to touch the plate and lowered again into the concave die. The convex and concave die and the metal material cause relative speed, causing the raw material to be formed, and then the convex and concave die are separated. The concave die guide slider ejects the product for stretching work.
To better ensure the quality of high-precision stretching parts, it is important to manipulate the pouring plate so that it lies in the mold seat touching the plate, and the pressing force should be sufficient. Otherwise, the stretching parts are very easy to wrinkle and crack; secondly, it should ensure that the working pressure of the concave die guide slider is sufficient to ensure the flatness of the bottom edge of the stretching parts.
A stretching composite mold design scheme is effective and can very well manipulate the whole process of parts operation to achieve the purpose of multi-process flow composition. For example, the design solution of the typical drop pulls true cut edge punching machine compound type die.
The need to rotate in the motor of high precision stretching parts, cutting edge of the high aspect ratio, chattering degree and other provisions are very high. In the mold design, special non-card rotary cutter structure, the use of rotating crimping not only ensures that the cutting edge specifications are of high precision but also ensures that the cutting edge of the burr and cutting texture is also very beautiful and generous.
Cylindrical stainless steel stamping and drawing parts process analysis
1、should punch a bottom hole, flip the edge, and finally punch and cut.
2、the size of the hole can be calculated.
3、the height is not the same. The flanging dies gap on one side is large and small. The mould is not assembled properly. Or pressure material force is not uniform.
4、one side of the burr is too large is the punching and cutting die clearance is large on one side and small on the other. The mold is not assembled well.
5、To eliminate the burr, use slow wire cutting.
6、Want to improve your life? Need to use: DC53, stainless steel mold special materials. The forming die needs titanium plating on the surface.
How to drill holes for cylindrical stamping parts
Drilling holes in shaft and sleeve stamping parts are often encountered in stamping processing. Its main problem is whether the symmetry accuracy between the centre of drilling and the centerline of stamping parts can meet the requirements. With the development of the times, the drilling technology of drilling machines has been improved, and the advantages of using drilling machines for drilling various hardware molds, strap drilling, strap drilling and jewellery are obvious. Today we will talk about how to drill holes for cylindrical stamping parts by drilling machine.
First, prepare the cylindrical stamping parts that need to be drilled.
Next, turn on the coolant in the machine, align the fixture and drill bit, and flush out the residue left on the fixture and drill bit from the previous process.
Then, put the cylindrical stamping parts into the jig (usually, the drilling machine will make a vibrating disk, and the stamping parts will be sent to the jig automatically).
Finally, everything is ready; now, press starts directly on the display of the drilling machine.
During the drilling process, the coolant must not stop because the heat of the drilling process is increasing, if you stop the coolant, it will make the drill bit wear quickly, and the accuracy is not accurate.
Notes on the steps of round stamping parts processing
1、The strip material that needs to form the round stamping parts;
2、The main body of the round stamping strip material for forming is put into the two-cavity drop die for the stamping process. During the stamping process, the strip is first positioned on two inclined edges in the direction of the length of the parallelogram, and then the strip is positioned through the edge of the hole in the round stamping section after the drop;
3、If two rows of round stamping parts can be set in the material strip to improve processing efficiency and stagger the two rows of round stamping parts when processing the stamping parts, the positioning of the material strip is located on the four sides of the rectangular material strip. Although this method improves the processing efficiency, the utilization rate of the stamping material is not high and relatively increases the processing cost.
4、The horizontal cross-section of the formed circular stamping section is a parallelogram, and the sides of this parallelogram are inclined in the length direction. The circular stamped parts made by this strip can improve the material utilization rate and reduce the processing cost. At the same time to carry out precision stamping in the processing process, the material strip needs to be positioned once for each stamping so that the quality of the round stamped parts produced will be better.
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