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Thanks All. Appreciate your considering and responding to my post. As you have suggested is what we have done, follow the data sheets. K.

For many years, the wording on the side of the drum containing the lubricating oil we put in our helical geared speed reducers said Gear Oil. Our oil supplier always advised us to use Gear Oil for our application and not Gear Lube. We recently changed oil suppliers, which brought a brand change...

I come before you today to appologize to Engineers all across the globe. Changing the spark plugs in my car was always a simple task - until the right rear plug. Just getting the socket on that plug could take longer than changing all the other plugs. Once the socket was finally on the plug -...

Thanks All! for considering and responding to my post. Really high quality answers here, and dpc, Thanks again. It makes a world of difference when you know the correct terminology. Appreciate the help. K.

In our office, as well as a few other places within our facility, we have 'cans' recessed into the drop ceiling with regular ballasted 4', T12, fluorescent tubes. As the ballasts go out, we remove the ballast and put in 120v LED tubes. What we are running into is most of this facility was built...

Just checked back for... Idon'tknowwhy, and WOW! Thank You. K.

Thank You itsmoked. That was very informative on several levels. Appreciate your help. K.

Yesterday morning something happened that got me to a thinkin', and the subject matter is way outside my knowledge zone. See, I'm all gears and levers and such, but the issue in question contains current and invisiwaves. Whenever current is involved, my knowledge is pretty much limited to which...

Thank You gearcutter and tbuelna for considering and responding to my post. Yes, the helical angle was supposedly taken into consideration by the manufacturer that created the end mill. But even with that manufacturers assurance that the profile they created is correct, everything about this...

ref http://www.eng-tips.com/viewthread.cfm?qid=383133 Our sister company purchased an involute shaped end mill and has cut their first test herringbone pinion on their machine center. The measurements we can check look good but now we need to check the involute curve to see if it is correct...

Thanks tbuelna. My tech is looking into this now. Appreciate your taking time to consider and respond to my post. K.

Thanks verknde, that's exactly what my tech told me. We are 4x, not 5x. We are finding many Sharpeners that say they can produce any shape end mill, just send them a print. When I ask if they are currently grinding the involute curve their answer is always something to the effect that they can...

Thanks all. Apparently I've been cutting gears too long on dedicated machines to see beyond the norm. You have provided us a new path. Appreciate the help. K.

Very occasionally we need to have herringbone gears or pinions cut. These were a part of our product line which was discontinued in the mid 80's but we continue to supply repair parts. Whenever we receive a request for a replacement gear or pinion, the request is almost always for 1 pc. We do...

Thanks All. As it was explained to me way back in the dark ages by one of the Old Timers, "it is always easier to find a 1" long lever." K.

For many years we've rated our gear reducers in 'inch pounds'. Lately I've been noticing, mostly automotive and implement ads, torque being rated in 'pound inches' or 'pound feet'. Today I grabbed my Machinery's Handbook and there it is, "...pound-feet, pound-inches, kilogram-meters, etc." Wow...

Thanks All. These sizes being below the AISC list is the answer I was expecting, but was hoping for different. And Yes dhengr, like you offer we have noticed a bit of differences from mill to mill. Even tho the differences are slight, we keep our jig locations on the edges and back. Appreciate...

Three of the structural products we use in the manufacture of our product are small channels, 3 x 4.1#, 2 x 2.32#, and 1-1/2 x 1.12#. All the reference books we have do not contain enough data to properly draw these items when we are drafting fabrication drawings. Altogether it is no big deal...

Oh Thank You, Thank You, Thank You. I have spent the past 2 weeks trying to remember Spe-D-Cut. That's where I first purchased these back in the 70's and that name simply would not pop forward. Google will also be pleased with you too. I have been wearing them out for this. This info will help a...

It's that time of decade for us to consider purchasing more of the one piece V-Groove inserts. The box lists them as RTW brand, Size PGT 10, Grade SC20. Seems as if I remember something about Kennametal purchasing them some time ago but have not been able to discover anything about this on...