*This message was transferred with a trial version of CommuniGate(r) Pro* I knew it differently: " in my humble opinion" Btw, your explanation fits it well, .....IMHO. BR, Ivan Il giorno 29/ago/06, alle ore 14:02, Colin McVean ha scritto: > *This message was transferred with a trial version of CommuniGate > (r) Pro* > *This message was transferred with a trial version of CommuniGate > (r) Pro* > IMHO = In my honest opinion > > Rgds > > Colin > > Colin McVean M.Inst.C.T. > Production Manager > Artetch Circuits Limited > Main: 01903 725365 > DD: 01903 712926 > Email: [log in to unmask] > www.artetch.co.uk > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Habib Sahli > Sent: 29 August 2006 14:49 > To: [log in to unmask] > Subject: Re: [TN] Deburring and Polishing Brushess > > Hello, > > I'm interested in burr-free drilling. > What is IMHO? > Could you please give more informations or links for documentations. > > Best Regards. > > > Habib SAHLI > Engineering Dept. > Tel : 00216 72 451 144 > Fax : 00216 72 451 333 > E.mail : [log in to unmask] > > > ----- Original Message ----- > From: "Brian Ellis" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Tuesday, August 08, 2006 9:43 AM > Subject: Re: [TN] Deburring and Polishing Brushess > > >> IMHO, avoiding the production of burrs is a better technique than >> deburring. This implies as near-perfect drill bits as possible, >> with a >> controlled geometry to very tight tolerances, the correct rotational >> speed, pressure and advance and the use of the correct entry and exit >> materials. >> >> The use of abrasives, in any form, is not advisable, as they > contaminate >> the surface with implanted particles, often swaged over, and the > plastic >> matrix of brushes can cause polymer smearing. It is my experience >> that >> abrasive cleaning causes more harm than good. >> >> I touched on these matters in more detail in my book. (Section 7.2.3 > for >> burr-free drilling, 7.2.4 for deburring and abrasive cleaning) >> >> Brian >> >> Baski Devre wrote: >>> Dear Technetters >>> As you know that prior to dry film coating or LPI soldermask > coating, >>> surface preparation is so crucial. it can directly effect dry film >>> adhesion but we think that deburrinmg of the panels after CNC > drilling >>> operation and prior to electrolytic copper plating is more crucial. >>> Does anybody have an application to deburr and polishing of the > panels >>> after CNC drilling. If yes which type of brushes you use for the > first >>> station to deburr and which type of brushes you use to polish the > bord >>> just after the deburring process. >>> Best Regards >>> >> >> -- >> http://www.cypenv.org Cyprus environment/energy >> http://www.cypenv.org/worldenv World environment/energy >> http://www.cypenv.org/weather Cyprus weather >> http://www.cypenv.org/smf/index.php Environment/energy forums >> http://groups.yahoo.com/group/cypnature/ Cyprus nature forum >> >> --------------------------------------------------- >> Technet Mail List provided as a service by IPC using LISTSERV 1.8e >> To unsubscribe, send a message to [log in to unmask] with following >> text > in >> the BODY (NOT the subject field): SIGNOFF Technet >> To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) >> To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest >> Search the archives of previous posts at: > http://listserv.ipc.org/archives >> Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at > [log in to unmask] > or > 847-615-7100 ext.2815 >> ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > To unsubscribe, send a message to [log in to unmask] with following text > in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: > http://listserv.ipc.org/archives > Please visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional > information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 > ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > To unsubscribe, send a message to [log in to unmask] with following > text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail > to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/ > archives > Please visit IPC web site http://www.ipc.org/contentpage.asp? > Pageid=4.3.16 for additional information, or contact Keach Sasamori > at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------