Different failure modes of the polymer blanks were discussed including buckling, bursting and wrinkling behavior during the free bulge forming process. Every failure mode has its own mechanism. Loading procedures of PBF are the most important one among the factors that will affect failure behavior of the polymer blanks. Measures to prevent the blank breakage were also investigated. A process window for PBF was constructed by theoretically analyzing the tube buckling and bursting behavior. This provides the foundation of designing the reasonable technical parameters and avoiding the blank failure in PBF process.
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
References
[1 ] Andrew L Cross , J r Moran , Thomas F. Process for forming plastic pipe couplings [ P ] . US , No. 4623506 , 1986
[2 ] Andrew L Cross , J r Moran , Thomas F. Apparatus for forming plastic pipe couplings [ P ] . US , No. 4687432 , 1987
[ 3 ] Ken-ichi Manabe ,J un2ichi Ozaki. Bulge forming of braided thermoplastic composite tubes under axial compression and internal pressure [ J ] . Poly Comp , 1996 , 17 ( 1 ) : 115 - 121
[4 ] 唐文忠. 塑料三通挤胀成型工艺探索及其成形过程的有限元模拟[D] . [ 博士学位论文] . 北京:北京化工大学,2000
[5 ] 唐文忠,何亚东,朱复华. 塑料挤胀成型工艺及设备研制[J ] . 北京化工大学学报,2001 ,28 (1) :87 - 89
{{custom_fnGroup.title_en}}
Footnotes
{{custom_fn.content}}
PDF(229 KB)
