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In response to closed thread554-210324. To remove the weld sequence # from the reference tail on a weld symbol created with Pro/Weld, you need edit the weld symbol and remove the reference text from the symbol. To edit a weld symbol, from a drawing, go to format->symbol gallery->redefine and...

The cylinder is rod side down and the return stroke is powered by gravity. Therefore, there are no springs or external forces pulling on the cylinder (good points, though). I have investigated the seals and rod guides, and the only differences are the old cylinder gland has only one rod guide...

The required torque to turn the cylinder rod while the cylinder is loaded for the new cylinder is twice that of the old cylinder. We are going to inspect the seals and guides between the old and new cylinders. Thanks, Kirk

The cylinder is a single acting cylinder with the hydraulic pressure coming in at the end of a hollow rod and the pressure pushing the cylinder casing away from the rod. At the end of the hollow rod is a block with the fitting port, which is threaded into the hollow rod. After torquing and...

Group, I am looking for ideas. We are trying to qualify a replacement hydraulic cylinder from a new cylinder manufacturer. During cycling of the new cylinder, the cylinder rod rotates which leads to loosening of threaded connections. The new cylinder manufacturer does not have a much, if any...

Sorry if this information was presented in a previous thread, but I did not find the information I was looking for. I have a ductile iron sheave that rotates about a shaft which is used to redirect wire rope. The sheave consists of a center hub, 6 spokes (arms) evenly spaced about the...

I have a pinned joint where one part can rotate about a pin fixed on one end (cantilever). The pin is 1" diameter and the gap between parts is approx. .1". I know that if there was zero gap between the two parts, I could treat the loading on the pin as direct shear (similar to a bolted...

Does anybody know the equations for calculating stresses in a sheave? I know the P=2*T/D*d equation for sizing a sheave diameter for the wire rope. I have what I believe is a single piece steel rim pulley and for use at low speeds. TIA kklinger

I think that everyone agrees that 1144 Stressproof was the wrong material to use in this instance (last time I talk to a material supplier rep w/o talking to a metalurgist). Thanks for everyone's responses.

Thanks for your reqly TVP. We purchase a completed product from a vendor. But as an engineering company we specify the design of the product including the material specs. Our vendor purchases the parts made from these bars from their vendor. And in turn, their vendor sends these bars out to...

Hello group, I am specifying 2" bar 1144 Stressproof to be induction hardended to Rockwell C 45-55 at case depth of 0.060"-0.080". As an alternate material, I specify 4140 ASTM A193 B7 with the same hardness requirements. Can either of these two materials be supplied without visual and...

Does anyone know of a good book on Statically Indeterminate Problems? If you go to Amazon.com, it will list 30 books with little or no detail about them. I am looking to verify my reactions that I obtained using FEA. I tried using the 3 Moment equation with a little bit of success. My...

There is information about ANSI flanges including pressure ratings at www.thermometricscorp.com. The pressure rating of these flanges is depedent on the material type and temperature. Hope this helps you. Best Regards, Kirk

I am running an internal plug-in for AutoCAD 2000. When the application is finished, it activates a dialogue box or message box with an okay button. I would like to be able to switch to this dialogue box and close it by either clicking the ok button using vba code for AutoCAD 2000 or closing...

Great link TD2K! Thanks, Kirk

Does anybody know where I can obtain new copies of the Fluid Power Designers' Lightning Reference Handbook? Is this book no longer in print?

I am trying to calculate the pressure drop in a hydraulic manifold. Does anybody know the friction factor for a machined hole (using a hss twist drill)? All the information I found so far is for pipe. Does anybody have resistance coefficients for intersecting holes whose axis are offset (don't...

Actually, the thread is a 9/16-18UNF-2B. Thread Pitch diameter is between .5264 & .5323; minor thread diameter is between .502 & .515