Device for heating a presstool, press having such device, and method of manufacture.
加热压床夹具的设备，具有这种设备的压床，以及制造方法。
2
Theoretical analysis and experimental results show that accurate matching cutting parameters and cutting-presstool angles are key facts in machining fin.
理论和试验研究表明，切削用量参数和刀具几何参数的精确匹配是翅片成形的关键。
3
Comparing with simple presstool, progressive die has the advantages of high quality and efficiency of product, which is especially suitable for large-lot production in a short delivery time.