The invention relates to an overall deepdrawing technology of a scroll casing of a blower, including the following steps: a steel plate for deepdrawing is cut into sheets with a required size;
本发明一种风机蜗壳整体拉深工艺，包括以下步骤：将拉深钢板剪成所需 的尺寸片料；
2
One of the valid method to reduce the vertical breaking in deep-drawing of 18-8stainless steel is to adopt a die clearance which is less than the plate thickness.