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Shank: It is used as a part for installing the Press tool die in the slide of the press machine with proper alignment. Top Plate: It is used to hold top half of the press tool with press slide. It is also called Bolster Plate. Punch Back Plate : This plate prevents the hardened punches penetrating into top plate.
A typical compound fine blanking press includes a hardened die punch (male), the hardened blanking die (female), and a guide plate of similar shape/size to the blanking die. The guide plate is the first applied to the material, impinging the material with a sharp protrusion or stinger around the perimeter of the die opening. Next, a counter ...
Shearing, also known as die cutting, [1] is a process that cuts stock without the formation of chips or the use of burning or melting. 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. [2]
Singer Bangladesh began in 1905. In 1920, two shops were set up in Dhaka and Chittagong. [1] In 1947, after the Partition of the sub-continent, now Bangladesh became East Pakistan. Singer in East Pakistan operated as a branch of Singer Pakistan and the products used to come from West Pakistan. Initially, only 10 shops were set up, which grew to ...
The Singer Model 27 and later model 127 were a series of lockstitch sewing machines produced by the Singer Manufacturing Company from the 1880s to the 1960s. (The 27 and the 127 were full-size versions of the Singer 28 and later model 128 which were three-quarters size). They were Singer's first sewing machines to make use of "vibrating shuttle ...
Shearing – punching, stamping, scissoring, blanking; Abrasive material removal – grinding, lapping, polishing, water-jet; Heat – flame cutting, plasma cutting, laser cutting; Electrochemical – etching, electrical discharge machining (EDM), electrochemical machining (ECM) Every method has its limitations in accuracy, cost, and effect on ...
The Singer Featherweight is a model series of lockstitch domestic sewing machines produced by the Singer Manufacturing Company from 1933 to 1968, [1] significant among sewing machines for their continuing popularity, active use by quilters and high collector's value.
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