23 19.1 Name some of the products that include sheet- or plate-metal parts.
19.2 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?
19.3 Identify the three major categories of sheet metalworking operations.
Cutting Operations
Ea 19.4 What is a burr on the sheared edge of a sheet-metal part?
19.5 In blanking of a circular sheet-metal part, is the clearance
applied to the punch diameter or the die diameter?
19.6 What is the difference between a cutoff operation and a parting operation?
19.7 What is the difference between a notching operation and a seminotching operation?
Bending Operations
19.8 For what is the bend allowance intended to compensate? 19.9 What is a flanging operation in sheet metalworking? 19.10 What is a hemming operation in sheet metalworking?
Drawing
19.11 Define drawing in the context of sheet metalworking.
19.12 What are some possible defects in drawn sheet-metal parts?
19.13 What are some of the simple measures used to assess the
feasibility of a proposed cup-drawing operation?
19.12 What are some possible defects in drawn sheet-metal parts?
19.13 What are some of the simple measures used to assess the
feasibility of a proposed cup-drawing operation?
