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Hello, I have a customer who has a (laser) profile burned plate link with three bronze pivot bushings mounted through it (no welds). They have asked about the possibility of swapping the existing 3/4" A36 mild steel material out for 7075 aluminum (I don't remember the temper). The part will...

Does anybody know of an inexpensive alternative to Mathcad. I am looking for graphical display of very basic calculations that are higher level than a text editor. I do pages of similar hand calcs (job after job) and want to put the equations into a standardized editor that will allow me to...

Big rock question: What are the max allowable dimensions of an 18" minus rock/gravel? Also anybody know what agency (if any) defines that standard? Thanks

Any suggestions of what a 'good' reference book or tutorial might be for Inventor? Does Inventor come with anything worth while for a tutorial? I am probably buying Inventor 11 next week. I ran Inventor 9 a couple years ago for opening files for a project, and have run ICEM in years past - so...

Hi Swall, The galvanizing bath is 850 to 1,000 degrees F. The local galvanizer tends to go on the higher side because it ups his production rate. Distortion is not a problem in this application. It will be used underground as a part of an anchorage system. The user expects to deploy the...

Yea or nea on galvanizing A514 steel (T1). The application is un welded, burried in the dirt sections are relatively thin (easily galvanized). Does anybody know of a good reference or have experience? My local galvanizer can't help. Thanks, Tony Tony Holt, P.E. Machine Development Co...

I like the first response you got best. Usually if you see a callout for SMAW low hydrogen they are refering to 7018 (that is the bread and butter typical). In FCAW (dual shield) your Lincoln 71M is an excellent wire and your local welding supply folks can turn you right on. For SAW (sub...

Maybe nobody else has seen it done, but there is a company in Western Washington here that does explosion welding of Aluminum to steel. I've held a finished piece in my hands before. In this case it would probably involve bonding an aluminum and steel plate, then attaching the fasteners to the...