Sheet metal stamping die processing factory | automobile stamping die manufacturing | metal stamping die processing factory-
Nanjing Precision Engineering Co. , Ltd
by：kingtool aluminium machinery2020-02-21
Report on optimization of processing technology for stamping sheet metal die insert 1.
Stamping Die Manufacturing die inserts using WEDM blanking lead to high processing costs: 1.
1 Stamping Die Manufacturing die inserts, the design stage can not effectively consider the combination of processing technology, the cost of a single piece of small size material increased by 20 yuan/piece, the current insert ordering standard is all dimensions of three sides <
100 does not order materials, nor does it consider the combination of materials; 1.
2 after the design is issued, the process considers that the mold is aligned with the joint, the special-shaped parts with high precision are all selected by the WEDM process, and the non-special-shaped parts with low precision are selected by the outsourcing fast-moving wire, which has high processing cost; 1.
3 if the design of the mold is not uniform, resulting in uneven load of the WEDM process task, often facing downtime, then some of the ordered inserts or the outer fast-moving wire blanking inserts will adopt the WEDM process blanking processing method, which has high processing cost. At present, the problems faced in the process of cost reduction and improvement of stamping sheet metal dies are as follows: 1.
One-size-fits-all prohibition of WEDM process blanking start-up processing, easy to cause WEDM process task unsaturated, face downtime, greater losses; 2.
The size difference of stamping die manufacturing die parts is relatively large. The combined processing of special-shaped parts has a total processing cost close to the cutting and processing cost of WEDM process, and the cycle is relatively long, which has limitations; 3.
Simple parts are processed by internal idle material sawing machine, so the load of sawing machine blanking process cannot correspond.
Therefore, the optimal processing scheme of different types of parts is considered through processing cost and cycle accounting. Classification of stamping sheet metal die inserts: 1. Non-special hard material Single piece insert 2. Special-shaped hard material Single piece insert 3. Non-special-shaped combination insert 4.
Special-shaped combination insert type 1: non-special-shaped hard material Single piece parts (Such as D180052-P02)Features: 1. The appearance is relatively square, and the precision grinding machine can ensure it; 2.
The height of the parts is relatively high, which is difficult to be combined and processed. Conclusion: for non-special-shaped single-piece parts, it is suggested to design and directly order soft materials for post-processing. Take WEDM processing after grinding machine processing appearance as an example, the boundary value is that the WEDM process can be processed for 2H for segmentation, taking cutting and repairing as an example, 30-
The processing perimeter of parts with a height of 160 is 160, that is, the processing perimeter of WEDM process of outsourcing grinding machine returning to the factory is close to. This process can be selected. For those who are not satisfied, blanking processing is recommended.
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