标签

pipe shrinkage machine

 wesupplypipetubeshrinkage,reducingmanufacturingservice,itisacoldformingprocess,extrudethepipefrombigdiametertosmalldiameter,foritishardtodrillthedeepholeandtapethread,aftershrinked,weonlynee…
类别:News 作者: 日期:2014-02-14 14.05.47 点击:44 评论:0

Solidification shrinkage

 Theshrinkagecausedbysolidificationcanleavecavitiesinacasting,weakeningit.Risersprovideadditionalmaterialtothecastingasitsolidifies.Theriser(sometimescalleda"feeder")isdesig…
类别:News 作者: 日期:2012-03-08 17.52.31 点击:27 评论:0

Shrinkage

 Castingsshrinkwhentheycool.Likenearlyallmaterials,metalsarelessdenseasaliquidthanasolid.Duringsolidification(freezing),themetaldensitydramaticallyincreases.Thisresultsinavolumedecreaseforthe…
类别:News 作者: 日期:2012-03-08 17.52.11 点击:19 评论:0