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As to: If it ain't broke, Believe it or not sometimes you need to reduce manufacturing steps to keep your costs in line. We had been providing a small oil reservoir with hose lines to keep oil in this unit. Going to grease the way the manufacturer was suggesting would reduce quite a bit of cost...

Manual? We don't need no stinkin Manual. At least that appears to be the opinion for the manufacturer. The closest would come with this portion of the dimensional drawing we were provided. There is little there other than the shaft with two bearings. And there is a grease zerk shown in the top...

And that is quite likely the direction we will head. Thank you all.

The manufacturer's data sheet shows a graph where 0 to 1900 is indicated as "use Grease", 1900 to 2700 is indicated as "Consult Factory". I am sure there are better methods of ensuring that the bearings are well greased, like taking them out and packing them, but when the manufacturer places a...

The bearing that failed showed a little burnt grease on it but not the packing on the other grease in the same cavity. The housing was equipped with a grease zerk, not sure how we were to evenly distribute it other than filling the cavity. You do make a good point about the potential for...

I should add that the manufacturer has been contacted and can see no reason for the failures. Our thought was 1 failure could be customer misuse, two totally unrelated failures out of 8 total units indicates we need to go back to what was trouble free.

No, there was no failing with the oil lube. This is with an overhung load adapter used to protect the bearings in a planetary. Previously we have run with a synthetic oil and a reservoir for several years with no problems. We wanted to simplify the design so looked to the manufacturer. We found...

Not sure if this is the correct place for this but the Petroleum engineer section seemed to be for exploration so here goes. We have a gear box that we have been using for a while now. We had been using oil in it but the manufacturer suggested using grease. We switched to the grease he suggested...

Thank you. That gives me a starting point to consider.

Of course I'm not sure how much good having the correct weld symbols will do me beyond making me feel better about my drawings. The owner of the company got after me for expecting the shop guys to know what side of a part the standard 3 projected views come from.

Al, You are correct, I should have said leg rather than throat. And I just checked the text I have (I am the only one here with any welding texts) and it is very close to the 20 years you mentioned. I try to use it because it is newer than my Blodgett books no matter how much good information...

The weld is to specify the radius or the material followed by the size of the weld? What happens if/when the shop forms a part with a larger radius than the weld is calling for? Is the part rejected? This is the first time I have ever heard of the weld calling out the radius of the material it...

I am interested in the correct weld symbol for a flair-bevel weld where the weld is expected to be flush with the material when finished. The question that has come up is if the throat dimension is needed if you indicate that the weld finish is flush. I have always added the weld size to my...

Thank all of you for your information. It goes along with what I suspected. Someone years ago specified this as Cold Rolled material and the local machine shop provided the finished part to us as such. That shop has gone and the shop with the contract has a new purchasing agent who called and...

"-CRS yield strength is through the full depth, not just a surface layer" This is the thing I was most interested in knowing. I figured that the forming would give a work hardening the material down to X% of the thickness but didn't know if it would have an effect through the whole stick...

I know that the Cold Rolled material has a higher Yield Strength due to the work hardening during the forming process. However is that strength throughout the material or mostly around the surface area? And if so how deep would you expect the work hardening to effect? The question came up...

Thank you

I have just been tasked to calculate load ratings for the fabricated racks on our production floor. We are an industrial shop manufacturing farm equipment and the racks are normally built with 4x4x1/4" or 8x4x1/4 structural tubing. These racks have been in use for many years but the regulators...

I will look at those. Thank you

I am preparing a product to send to Europe. We would like to replace all of our decals with wordless pictographs. I am having a hard time coming up with one for a Main Breaker on our control panel. Does anyone have a suggestion of where I can look for the appropriate symbol? Thank you Jim