On Thu, Feb 17, 2011 at 4:43 PM, dave <dengv...@charter.net> wrote: > > In all this fuss over how to machine tap no one has mentioned thread > forming. The few times I've tried it by hand it has worked well. > > True, but one has to be very careful with threadforming if thread strength is important:
http://machinedesign.com/article/internal-thread-strip-out-tests-yield-surprising-results-0113?page=0%2C0 shows that thread strength is critically dependent on hole diameter when threadforming, much more so than for regular threading ------------------------------------------------------------------------------ The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
