Punching: shearing process using a die and punch where the interior portion of the sheared sheet is to be discarded. Sheet Metal Cutting 12 1.2 Punching –1.3 Blanking Punching -sheet metal cutting operation where the cut piece is scrap. It leaves a lean edge on the piece of metal is sheared or cut. Here a hired shearing crew can shear all the sheep and process the wool simultaneously. The shearing process is not painful to the sheep. Shearing. Shearing, also known as die cutting, is a process which cuts stock without the formation of chips or the use of burning or melting. 3. Blanking: shearing process using a die and punch where the exterior portion of the shearing operation is to be discarded. Slitting can be performed in a straight line or on a curved path. +41 62 956 92 00 marketing(at)heiniger.com HEINIGER AG Industrieweg 8 3360 Herzogenbuchsee Switzerland Tel. •the clearance distance between the punch and die is the major factor determining the shape and quality of the sheared edge • as the clearance increases, the edges become rougher • the punch does not have to go all the way through the sheet • a burr is usually formed on the sheet and the slug Please comply with the laws and regulations in your country if you are the outside of Japan. Fleeces are washed and the wool grease (lanolin) is extracted and used in lotions. Perforating: punching a number of holes in a sheet 4. ACKNOWLEDGMENT Portions of this circular are based on material in the Sheep Production Handbook (1996), and are used with permis-sion of the American Sheep Industry Association, Inc., The circular sheet metal cutters can be driven, or the work may be pulled through idle cutters. Metal shearing can be performed on sheet, strip, bar, plate, and even angle stock. It is a cut in a straight line across a strip, sheet or bar. It is also the most demanding, requiring careful attention to control specific operating variables, for high quality slitting. If you're adamant about shearing the sheep yourself, you can learn the proper skills by attending a sheep shearing school. 1. Parting: shearing the sheet into two or more pieces Depending on the number of sheep, a shearing team can include two or more shearers, one or two woolhandlers and shed hands, a … 2. Shearing of sheet metal between two cutting edges: (3) punch compresses and penetrates into work causing a smooth cut surface; (4) fracture is initiated at the opposing cutting edges which separates the sheet. Shearing Machine Safety Guide (For employers and employees) Fourth edition January 2019 This safety guide is an English translation of the Japanese safety guide based on Japanese laws and regulations. Bar and angle materials can only be cut to length. Shearing Process 1. Many sheep-farming states hold annual shearing classes that are open for any shepherds to attend. In this operation, a sheet metal workpiece is placed or kept between two dies from one end. Slitting usually produces a burr that must be … Wool removed from a single sheep is called a fleece. Slitting is a shearing process in which the sheet metal is cut by two opposing circular blades, like a can opener. This fact sheet describes the process and benefits to sheep and man from shearing sheep in a safe and professional manner. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curved then they are shearing-type operations. Shearing usually happens once a year on a wool property. And, the punch is hit at the other end of the sheet, producing a shearing … The shearing process performs only fundamental straight-line cutting but any geometrical shape with a straight line cut can usually be produced on a shear. Optimizing the Shear Slitting Process Summary Presenter: Peter Wood, Product Manager – Slitting Tidland Corporation, Camas, WA Shear slitting is the most versatile and commonly used method to slit flexible web materials. Professional shearing teams travel across Australia shearing sheep for a living. Download PDF.

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