国产在线第一页免费_欧美mv亚洲mv天堂在线_日韩青青草原福利视频_谁有最新色视频网站_91午夜视频福利_亚洲欧美精品中文_亞洲歐美國產制服日本一區二區_国产成人综合怡春院_久久强奷乱码_国产精品无码日韩字幕资不卡

Welcome to Gaomi Huayin Machinery Co., Ltd!
24-hour service hotline:138-5369-2791
NEWS
  • Common Casting defect in Gray Cast Iron and Preventive Measures (Hydrogen Porosity)

    Common Casting defect in Gray Cast Iron and Preventive Measures (Hydrogen Porosity)

    Hydrogenporesmaybeacostlydefect,astheyareusuallyonlyexposedaftermachiningandcanoccurinbothgrayandductileiron,oftenappearinginaroundsphericalshapebelowthesurfaceofthecasting.Duetothefactthattheinnerwalloftheporesiscoveredbygraphite,theinnerwalloftheporesisblackandshinyduringinspection.Theprecipitati...... [Details]

    Release time:07-07-2023
  • Introduction to Classification of Gray Iron Castings

    Introduction to Classification of Gray Iron Castings

    (1)Graycastiron,inwhichmostorallofthecarbonispresentintheformoffreestateflakegraphite,hasadarkgrayfracturesurface,somemechanicalproperties,andgoodcuttingperformance,andiswidelyusedinindustry(2)WhitecastironWhitecastironisakindofironcarbonalloywithlittleornographiteinitsstructure.Itsfractureiswhitea...... [Details]

    Release time:07-07-2023
  • Casting process of iron mould covered with Sand casting

    Casting process of iron mould covered with Sand casting

    IronmoldcastingwithSandcastingisacastingprocessinwhichathinlayerofmoldingsandiscoatedontheinnercavityofthemetalmold(calledironmold)toformacastingmold.Duetotherelativelythinsandlayer(4-8mm),usingexpensivemoldingmaterialsisalsoeconomicallyreasonable,resultinginasignificantreductionincastingqualityand...... [Details]

    Release time:07-07-2023

Tel

tel

138-5369-2791

top