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Will an input 112ac battery charger w/12v 6amp output give the same performance as a 12v battery to operate dc motors?

Where can i find published minimum yield and tensile for A513 Tube A569 HR Sheet I'm having a hard time finding consistant values. Please keep in mind i'm looking for minimum i.e. lowest grade. Please site your source and intenet link if possible. thanks so much

I'm trying to open several catia files in Pro-E. I have it them in both .igs and .stp formatts. I've only been able to open one file. With the rest of them my screen freezes up and the applications show "not responding". Is there a trick to opening thes files?? Any of your experience would...

Hi all, I went to our supplier today and saw some strange effects on the cold rolled product. The defect is on 1008/1010 18ga crs and it looks almost like the steel has splintered on one side. A sharp edge about two inches long and 1/4" wide and less than .005 thick can be picked at and...

I've been unable to find any tensile and yield strength listed for this alloy and temper of aluminum. can anyone point me in the right direction?????

We are an OEM supplier. We have a non-critical; (non saftey, not class A) that i've only been able to find supplied by non-QS/ISO suppliers. How can I get this component into use in my company? We could have injection dies built for production, but our time is now very limited and I really...

Can anyone give me more specific info?

Does anyone know of some ref. materials where i can find the maximum torque spec. for screws threading into tapped aluminum plate? I realize I could do this by experiment but I really don't have the time.

Gentlemen, Can an EDM process be used for producing a sharp inside corner (.002 max R) within a blid hole? The hole is about 3.5" diameter and 3.5" deep. Thanks for the help! djk

I'm looking for advice from a Engineering Tech Graduate (non-EAC) who's passed the FE. I've just graduated but I've been taking classes 2/semester for 4 years and I'm not sure how much review I'll need. I think most tech grads don't pursue the FE; am i right in thinking this is quite rare? 1)...

Hey guys, I'm Running white latex paint for abrasive wear test. Mechanical seals are failing early, and at low pressure. Why? <50psi silicon carbide is the stationary seat. hardened steel is the rotating face. I've only been able to find one ref. online saying latex balls up between seal...

Looking for typical call-out on surface finish and flatness requirements for mechanical seal. max surface velocity is around 240 in/sec max axial force is around 130 lbf