![]() ![]() A notching operation cuts out a portion of the sheet metal from the interior of the sheet or strip, while a seminotching operation removes a portion of the sheet metal from the interior of the sheet or strip. 20.5 What is the difference between a notching operation and a seminotching operation? Answer. A parting operation cuts a slug between adjacent parts in the strip. ![]() A cutoff operation separates parts from a strip by shearing one edge of each part in sequence. 20.4 What is the difference between a cutoff operation and a parting operation? Answer. The die diameter equals the blank diameter, and the punch diameter is smaller by twice the clearance. 20.3 In blanking of a circular sheet metal part, is the clearance applied to the punch diameter or the die diameter? Answer. (b) The machine tool is called a stamping press. ![]() (a) The tooling is called a punch-and-die. 20.2 In conventional sheet metalworking operations, (a) what is the name of the tooling and (b) what is the name of the machine tool used in the operations? Answer. ![]() The three basic types of sheet metalworking operations are (1) cutting, (2) bending, and (3) drawing. Kumpulan sola teknik pembentukan Solutions for Fundamentals of Modern Manufacturing, 3/e (published by Wiley) © MPGroover 2007 20 SHEET METALWORKING Review Questions 20.1 Identify the three basic types of sheet metalworking operations. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |