This is often the most common sheet bending process as it is used for most bending projects. It employs an instrument often called the punch and v-die to bend sheet metals at sought after angles. During the method, the bending punch presses within the sheet metal positioned over the V-die. https://chinastraighteningmachine80998.ja-blog.com/22270752/the-basic-principles-of-busbar-bending-machine