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鍛件加工有哪些種類和要求?

返回列表 來源:濟南泉西重型鍛造機械有限公司 網址:www.qxzxdz.cn 發布日期 2017-07-03 瀏覽: 0

  鍛件加工通過塑性變形塑造需求的形狀或適宜的壓縮力的物件。通過運用鐵錘或壓力來完成。金屬通過鑄造加工后能改進其安排構造和力學性能,鑄造加工能確保金屬纖維安排的連續性,使鍛件的纖維安排與鍛件外形保持共同,金屬流線完整,可確保零件具有良好的力學性能與長的運用壽命。

  An object used to shape a desired shape or a suitable compressive force by plastic deformation. Finish by using a hammer or pressure. Metal by casting processing can improve its arrangement structure and mechanical properties of casting processing can ensure the continuity of the metal fiber arrangement, the fiber arrangement and shape forging forging Co, metal streamline integrity, can ensure that the parts have good mechanical properties and long service life.

  熱模鍛的工藝流程為:鍛坯下料;鍛坯加熱;輥鍛備坯;模鍛成形;切邊;沖孔;糾正;中心查驗,查驗鍛件的尺度和外表缺陷;鍛件熱處理,用以消除鑄造應力,改進金屬切削性能;整理,主要是去掉外表氧化皮;糾正;查看,鍛件要通過外觀和硬度查看,還要通過化學成分剖析、機械性能、剩余應力等查驗和無損探傷?!¤T造用料主要是各種成分的碳素鋼和合金鋼,其次是鋁、鎂、銅、鈦等及其合金。資料的初始狀況有棒料、鑄錠、金屬粉末和液態金屬。鑄造可分為自由鍛、鐓粗、擠壓、模鍛、閉式模鍛、閉式鐓鍛。

  The process of hot die forging for forging billet heating; forging; forging billet preparation; forging; trimming; punching; correction; Center for inspection, inspection scale and appearance defects of forging; forging heat treatment to eliminate casting stress, improve the cutting performance of metal finishing, mainly to remove the appearance; oxide skin; correct; see, to see through the appearance and hardness of forgings, but also through chemical composition analysis, mechanical properties, residual stress and NDT inspection etc.. The casting materials are mainly carbon steel and alloy steel of various components, followed by aluminum, magnesium, copper, titanium and their alloys. The initial conditions of the data are rod, ingot, metal powder and liquid metal. Casting can be divided into free forging, upsetting, extrusion, die forging, closed die forging, closed upsetting.

  鍛模的運動方法,鑄造又可分為擺輾、擺旋鍛、輥鍛、楔橫軋、輾環和斜軋等方法。擺輾、擺旋鍛和輾 環也可用精鍛加工。鍛件加工需要每片都是共同的,沒有任何多孔性、多余空間、內含物或其他的瑕疵。鍛件的長處有可擴展的長度、可收縮的橫截面;可收縮的長度、可擴展的橫截面;可改動的長度、可改動的橫截面。柴油機所用的鍛件有汽缸蓋、主軸頸、曲軸端法蘭輸出端軸、連桿、活塞桿、活塞頭、十字頭銷軸、曲軸傳動齒輪、齒圈、中心齒輪和染油泵體等十余種。

  The movement method of forging die can be divided into swing rolling, swing forging, roll forging, cross wedge rolling, ring rolling and cross rolling. Rotary forging, swing forging and ring rolling can also be made by precision forging. The forging process requires that each piece is common without any porosity, excess space, inclusions, or other defects. The advantages of a forging include an expandable length, a contracted cross section, a contracted length, an expandable cross section, an adjustable length, and a variable cross section. The diesel engine cylinder cover, shaft forgings, crankshaft end flange output shaft, connecting rod, piston rod, piston head, crosshead pin shaft, crankshaft gear, gear, gear center and more than ten kinds of dye pump body.

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