See MISUMI stamping standard parts of the book to see how much you look at the design of the mold, the larger the mold, the guide column must be thick, the corresponding number should be more.
     The choice is the way you intend to use more than the thick of the guide column, the space is enough, then loaded thick guide column, rigid certainly better.For example, you choose the column diameter of 38, supporting the guide sleeve data can be checked out ah. The corresponding aperture size can be determined.
     MISUMI standard parts are single, there are sets, and only need to determine the diameter of the guide pin can be, as guide pin and guide sleeve length, it should be based on the actual situation, such as the cross (with a boss) in the data The book check L, you according to the template and the template on the total thickness of the block and then lose 10mm, rounded up can be used as the guide column model L. Specifications.Length of the guide sleeve, according to the punch stroke size to open state guide Column guide sleeve does not separate and overlap more than 30mm for reference.If the punch stroke is very small, it is generally selected guide sleeve 80-100 long can