在深孔钻孔中，1mm以下的小直径孔用硬质合金枪钻加工制造，但15mm及以上的孔通常使用焊刃钻头，25mm及以上的孔使用可转位刀片钻头高效钻孔。

In the modern manufacturing industry, with the product complexity and accuracy requirements continue to improve, the traditional single processing method has been difficult to meet the production requirements. jp46-500 precision turning and milling machine should be the

Versatility: Turning and milling compound lathe can carry out turning, milling, drilling, tapping and other machining operations, which reduces the number of workpiece clamping and machining time. As an advanced processing equipment, mill-turning lathe is characterised by its versatility, high precision and high efficiency.