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Browse Bozzelli, John

1-21 out of 21 article(s)
Title Type Date Words
All about 'Cushion'. May 1, 2012 1215
Getting good data from DOE: the injection molding process encompasses hundreds of variables. There are so many that some practitioners let science fall by the way-side and take the attitude that molding is an art. Apr 1, 2012 1202
Injection pressure by graphing injection pressure. Mar 1, 2012 888
Why multi-cavity molds fill unevenly. Jan 1, 2012 877
What percentage of barrel capacity should your shot size be? Dec 1, 2011 876
Plasticating rates: your profits are at stake. Nov 1, 2011 1197
Short shots redux. Sep 1, 2011 870
Mold filling simulation: what, when, why, how. Jul 1, 2011 1909
Screws and pellets: one size does not fit all. Jun 1, 2011 1219
Feed-throat temperature control: 'zone zero' for injection molding. May 1, 2011 1149
Why non-return valves leak. Apr 1, 2011 1105
Pay attention to your nozzle body & tip. Mar 1, 2011 1512
How to set second-stage (pack & hold) pressure. Feb 1, 2011 1282
You must dry hygroscopic resins. Jan 1, 2011 788
Understanding pressure loss in injection molding. Dec 1, 2010 1010
Why & how to do gate-seal experiments. Oct 1, 2010 1278
The basics of machine evaluation, part II. Jul 1, 2010 994
Sticking sprues or parts? Lots of possible causes & solutions. Mar 1, 2007 1272
How to give your parts a blemish-free complexion. Jul 1, 2006 1447
How to diagnose & cure short shots. Feb 1, 2005 1328
An expert tells how to stop flash. Jul 1, 2004 1269

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