SHEET METAL AND METAL FORMING Copyright Goodheart-Willcox Co., Inc. Chapter 17 Cold Forming Metal Sheet 283 Offset Forming 90° Angle “V” Bend Acute Angle “V” Bend Brake Tool with Rubber Pad Channel Forming Radius Forming Air Bend Dies Bottoming Dies Goodheart-Willcox Publisher Figure 17-17. Several typical bending operations possible on press brake equipment.