在教室伦流澡到高潮HNP视频_欧美在线三级艳情网站_AV在线亚洲欧洲日产一区二区_国产无遮挡A片又黄又爽

工藝簡介：自由鍛造是利用沖擊力或壓力使金屬在上下砧面間各個方向自由變形，不受任何限制而獲得所需形狀及尺寸和一定機械性能的鍛件的一種加工方法，要求操作者具備較為熟練的操作經驗。

工藝應用：自由鍛是一種比較傳統的鍛造工藝，通常用于鍛打形狀較為簡單的產品，例如棒條、粗胚、圓環、軸等。

The Open Die Forging Process：Open Die Forging is one of the oldest forms of manufacturing, using traditional blacksmith methods. The billet is heated above recrystallization temperature,ranging from 1000°C to 1300°C for steel, and gradually shaped by skilful hammering or pressing of the work piece to create the desired shape.

Application: Open Die Forging is an old manufacturing process often associated with simplershaped parts, such as bars, blanks, rings, hollows or spindles, it can beconsidered the ultimate option in custom-designed metal components.

主要鍛造設備　Main Forging Equipments: