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I am looking for information on any industry seal seminars or training classes. I work with various types of mechanical seals in aerospace including face seals, spring energized seals, gasket plate seals, etc. I deal with a variety of sealed fluids including air, skydrol, and hts synthetic jet...

I have ACAD 2010 LT, and I don't have this problem. I also have Inventor 2010 which is giving me some annoying extension line issues. In my searches though, I found some other information about ACAD having these issues, I believe you need to install the latest updates to make it work...

So then would you say I should put in the length of the feature I am checking the perpendicularity on? That seems like a fair assumption to me, but I was hoping somebody else might be familiar with this type of machine.

Hi guys, I am using a Mitutoyo QM-Data200 2D data processing unit on a horizontal projector to measure parts. When I go to measure perpendicularity between two features, the machine requires me to input a length value. I assume this length is the length of the feature I am checking the...

I am looking to get a part Electroless Nickel plated to approximately 0.002-0.0025" thick. The part is an aluminum casting, not sure of the alloy. The inside diameter of the area to be plated is approximately 2.4". The manual specifies MIL-C-26074. Is this thickness easily attainable? Part...

Thanks for the supplier info. Is there any way to know the heat treat based on the information given? I will give them a call and see what they have to say.

I am working on a job that specifies the above mentioned material (or 30NCD16 Bon. A Spec. AIR9160). I need to purchase 2" round bar and need a readily available alternative material. If anyone has the details for this material or can tell me where to find the specs it would be appreciated. I...

It seemed to be the best choice per the ASM handbook.

Thanks for all the help. I was looking in the ASM handbook for welding, brazing and soldering, and found some good information. It talks about welding parts in a T4 condition and then aging after welding. Of course this does not exactly apply because I have an already aged housing that I am...

This is a step I would rather avoid due to the complexity and many finished machined surfaces of the part and I dont want to cause warpage anywhere I can avoid it.

I have a 355 cast aluminum housing that has been previously welded and heat treated. I am looking for a postweld heat treatment after welding a new piece of 2219-t3 plate and 2014-t6 bar stock to the housing(2219 plate directly to the housing, then the 2014 piece to the 2219 plate). I plan on...

Thanks for all your help, decarburization seems to be the culprit. We did a normalization, as you mentioned, then did an austenitize at 1525 and oil quench. The surface hardness was again exactly the same. We then machined off about 0.020" and re-tested, and there was the desired 55 HRC we were...

Rockwell hardness tester, calibrated.

Part weighs approximately 13 oz, we have an agitated container with about 3 gallons of AAA quench oil. We are thinking that the part has to be normalized prior to austenitizing and quenching. This is the only difference we know of between the initial part and the annealed part we are trying to...

We do have an argon atmosphere during all processes, so there should not be significant decarburization as far as I know. Here is the rest of the story. We are trying to weld repair a part, and I am doing testing to try and establish the process before I perform the work on a customer part. My...

I am having problems achieving full hardness from 4340 bar stock from full anneal. I can achieve full hardness from a part as machined (normalized and tempered-orinally 30 HRC) to 55 HRC. However, I then fully annealed the part (to about 10 HRC)and when I went to re-harden I could not achieve...