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Selection method and size determination of chrome-plated piston rod blank
Aug 02, 2018

Considering the practical application of chrome-plated piston rods, in order to maximize the service life and reduce the amount of wear, it is necessary to select a blank of high-quality materials. At the same time, due to the high precision of the chrome-plated piston rod is generally produced in batches, in order to improve production efficiency, it is recommended to use free forging to make the blank.


After determining the material and production process of the chrome-plated piston rod blank, the shape of the chrome-plated piston rod blank is determined according to its actual machining accuracy requirements. The forgings have a scale tolerance class of 8 to 12 depending on the machining accuracy requirements of each part drawing. Also, because the piston rods are selected for small batch production, consider selecting cylindrical blanks.


In addition to this, the basic size of the chrome-plated piston rod blank is also determined. Since the blank is made by free casting, according to the scale requirements of the piston rod part drawing and the practical processing requirements, for example, the dimensions of the chrome-plated piston rod after casting are: diameter 62 mm, length 1150 mm, then the dimensions of the blank are diameter 80 mm, length 760 mm.http://www.xhychromerod.com/