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How to eliminate the cutting edge of the cutting line in Ruidu

Time:2018-01-08 Views:74
For the multiple processing of cutting the remaining parts of the wire cutting workpiece in the billion light, the conductive problem of the workpiece must be solved first, because in the high precision middle wire cutting process, the walking route of the wire electrode may need to reciprocate along the processing track. Many times, it can ensure that the workpiece is processed with high surface roughness and surface precision. At this time, the wire cutting process is based on the remaining part of the workpiece to ensure the electrical processing is normal. However, when cutting the remaining part of the workpiece, if the remaining part of the workpiece is cut after the first cutting, the part to be cut is separated from the mother body, so that the conductive loop is interrupted and the processing cannot be continued, so the wire cutting is performed from the middle. The conditionality and continuity of the processing must ensure that the remaining parts of the workpiece maintain the normal electrical conduction requirements with the parent even in the case of multiple cuts.
In order to achieve the above objectives, the operator attempts to create an artificial environment and conditions to meet the electrical conductivity requirements, that is, when the worker is operating the electric spark, the wire cutting machine encounters the remaining portion of the cutting workpiece, and can be glued between the cut portion and the mother body. The copper sheet and the method of processing the copper sheet in the cutting gap to create artificial positioning conditions and conductive conditions, so that spark processing can continue, the specific practices and techniques are as follows:
(1) A copper piece is bonded between the cut portion and the parent material. The purpose is to make the remaining part of the workpiece be fixed to the parent material during cutting, to ensure good positioning conditions of the middle wire cutting, so as to ensure the excellent processing quality of the workpiece, which can be carried out according to the following steps:
1 Firstly, according to the size of the machined workpiece, the thin copper sheet (the thickness is determined according to the condition of the wire electrode and the shape of the processing part) is cut into a strip shape, and then folded, and the well is ensured that the folded portion is long and short.
2 Then the bent portion of the folded piece of copper is hammered flat with a small hand hammer and repaired into a wedge shape with assorted files;
3 The copper piece processed above is then inserted into the gap formed by the wire electrode processing, and 502 glue (ie, epoxy resin instant quick-drying glue) is dropped on the surface of the part of the workpiece. Due to the cutting, the wire cutting machine in the electric spark makes the pressure of the workpiece large. If the copper piece is simply plugged to ensure the conduction and fixation, the following problems are easily caused: (a) the copper piece is too loose, worry The fixing is unreliable and the conduction is unstable; (b) the copper sheet is too tightly packed, and it is worried that the surface of the workpiece is damaged and the shape tolerance is broken. Therefore, 502 glue is used to ensure that the cut portion is fixed to the mother material;
4 When inserting the copper piece into the processing part, it should be noted that when attaching the copper piece with 502 glue, it should be away from the remaining parts of the workpiece to avoid 502 glue seeping and causing insulation. In addition, the position of the bonded copper piece should be considered symmetrically distributed, and it should be ensured that it is plugged at the same time to avoid the deviation of the workpiece, which affects the processing quality of the workpiece. It ensures the correctness of the shape of the remaining part of the workpiece to be cut and the reliability of the accuracy.
For the multiple processing of the remaining parts of the cutting machine, the first step must be to solve the problem of the electrical conduction of the workpiece. Because in the high-precision middle wire cutting process, the walking route of the wire electrode may need to reciprocate along the machining path. Many times, it can ensure that the workpiece is processed with high surface roughness and surface precision. At this time, the wire cutting process is based on the remaining part of the workpiece to ensure the electrical processing is normal. However, when cutting the remaining part of the workpiece, if the remaining part of the workpiece is cut after the first cutting, the part to be cut is separated from the mother body, so that the conductive loop is interrupted and the processing cannot be continued, so the wire cutting is performed from the middle. The conditionality and continuity of the processing must ensure that the remaining parts of the workpiece maintain the normal electrical conduction requirements with the parent even in the case of multiple cuts.
In order to achieve the above objectives, the operator attempts to create an artificial environment and conditions to meet the electrical conductivity requirements, that is, when the worker is operating the electric spark, the wire cutting machine encounters the remaining portion of the cutting workpiece, and can be glued between the cut portion and the mother body. The copper sheet and the method of processing the copper sheet in the cutting gap to create artificial positioning conditions and conductive conditions, so that spark processing can continue, the specific practices and techniques are as follows:
(1) A copper piece is bonded between the cut portion and the parent material. The purpose is to make the remaining part of the workpiece be fixed to the parent material during cutting, to ensure good positioning conditions of the middle wire cutting, so as to ensure the excellent processing quality of the workpiece, which can be carried out according to the following steps:
1 Firstly, according to the size of the machined workpiece, the thin copper sheet (the thickness is determined according to the condition of the wire electrode and the shape of the processing part) is cut into a strip shape, and then folded, and the well is ensured that the folded portion is long and short.
2 Then the bent portion of the folded piece of copper is hammered flat with a small hand hammer and repaired into a wedge shape with assorted files;
3 The copper piece processed above is then inserted into the gap formed by the wire electrode processing, and 502 glue (ie, epoxy resin instant quick-drying glue) is dropped on the surface of the part of the workpiece. Due to the cutting, the wire cutting machine in the electric spark makes the pressure of the workpiece large. If the copper piece is simply plugged to ensure the conduction and fixation, the following problems are easily caused: (a) the copper piece is too loose, worry The fixing is unreliable and the conduction is unstable; (b) the copper sheet is too tightly packed, and it is worried that the surface of the workpiece is damaged and the shape tolerance is broken. Therefore, 502 glue is used to ensure that the cut portion is fixed to the mother material;
4 When inserting the copper piece into the processing part, it should be noted that when attaching the copper piece with 502 glue, it should be away from the remaining parts of the workpiece to avoid 502 glue seeping and causing insulation. In addition, the position of the bonded copper piece should be considered symmetrically distributed, and it should be ensured that it is plugged at the same time to avoid the deviation of the workpiece, which affects the processing quality of the workpiece. It ensures the correctness of the shape of the remaining part of the workpiece to be cut and the reliability of the accuracy.
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