After breaking the fine parts using different cutters, I have at times used an old blade heated to slice through sprues to relieve pressure and prevent breaking the fine parts and then trim them.
Howard Sheffield > Something thatâs helped for me is to cut (carefully!) the large sprue > surronding the delicate parts, before trying to cut them out. It seems to > relieve the pressure. > > Roger Nulton > > From: Bob Werre > Sent: Monday, May 23, 2011 2:17 PM > To: [email protected] > Subject: Re: {S-Scale List} Re: PRS Reefer Grabs > > > Thanks Bill, but I have a couple pair. When the plastic is weak, like > the center of a ladder rung, I don't think there's not much one can do. > With the A=M gondola ladders, one snap and the ladder split in half and > with the PRS air lines, I've had them break into 2-3 sections with one > clip. I've never tried them on the cats--they take great pride in using > them on occasion! > > Bob Werre > >> Hi Bob -- >> >> The real key to removing parts from the sprue is getting set of PBL >> extra >> fine sprue cutters (that might not be his term). The look like tweezers >> with a hooked end that has very sharp, very thin cutting jaws. They get >> into places that an X-acto #11 blade wonât go without cutting the >> part. NOT >> cheap ($22?), but worth every cent. They also are great cat claw >> nippers... >> >> Have fun! >> Bill Winans >> >> After reading Don's comments about the ABS vs metal vs styrene. I >> wonder if the thinness of the final product might determine the 'mix' or >> pressure used in making sure the product was fully formed. I've had >> some of the PRS air and brake lines just snap when de-spruing them, >> however the same thing happens with the ladders on the AM gondola which >> is ABS. >> Bob Werre >> PhotoTraxx.com >> >> > > [Non-text portions of this message have been removed] > > > > > > [Non-text portions of this message have been removed] > > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
