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2. English wheel - Wikipedia

   en.wikipedia.org/wiki/English_wheel

   The operator of the machine passes the sheet metal between the anvil wheel and the rolling wheel. This process stretches the material and causes it to become thinner. As the material stretches, it forms a convex surface over the anvil wheel. [1] This surface is known as "crown".

3. Press brake - Wikipedia

   en.wikipedia.org/wiki/Press_brake

   A press brake bending a sheet of steel. A press brake is a type of brake, a machine used for bending sheet metal and metal plate. [1] It forms predetermined bends by clamping the workpiece between a matching top tool and bottom die. [2] Bending process A high-tonnage hydraulic press brake Liwei CNC 2000T 12M Heavy Duty model

4. Types of press tools - Wikipedia

   en.wikipedia.org/wiki/Types_of_press_tools

   Blanking is the operation of cutting flat shapes from sheet metal. The outer area of metal remaining after a blanking operation is generally discarded as waste. Size of blank or product is the size of the die & clearance is given on punch. It is a metal cutting operation. In blanking, metal obtained after cutting is not a scrap if it is usable.

5. Swaging - Wikipedia

   en.wikipedia.org/wiki/Swaging

   There are two basic types of rotary swaging machine, the standard (also known as a tagging machine), and the butt swaging machine. A butt swaging machine works by having sets of wedges that close the dies onto the workpiece by inserting them between the annular rollers and the dies, normally by the use of a foot pedal.

6. Punch press - Wikipedia

   en.wikipedia.org/wiki/Punch_press

   The main bed of most machines is called the 'X' axis, with the 'Y' axis being at right angles to that and allowed to traverse under CNC control. Dependent on the size of the machine, the beds, and the sheet metal workpiece weight, the motors required to move these axis tables will vary in size and power.

7. Metalworking hand tool - Wikipedia

   en.wikipedia.org/wiki/Metalworking_hand_tool

   For instance, the flat face can be used for planishing and smoothing and for hand shrinking thicker soft metals. Whereas a large hickory "torpedo mallet's" striking weight makes it best suitable for shaping soft metals such as aluminum or copper, but a similar torpedo mallet made from heavy black rubber has a striking weight which is best used ...