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I'm likewise sure that involute gearing is much more widely used. The Cycloidal Drive appears to have the advantage of large gear reductions with lower gear count and space. I think that traditional involute gearing would require a couple stages of planetary systems to get this kind of...

Well, up north here in Michigan we blow our systems out with compressed air in the fall. I decided to do this for myself recently, and experienced the EXACT same failure as your daughter over the winter. When you blow them out, apparently you need to make sure you open all the manual vents in...

Cycloidal drive: very interesting... I did not know about these.

How many units are involved in prototype and production? If you need > 100, then Powder Metallurgy becomes a good option to consider, as you'll be near the breakeven point for tooling cost. Wire EDM is also a process to consider in low volume (perhaps that's what Mfgenggear meant by 'wire CNC').

I wouldn't recommend that.

Yes... and the closer a design is to the edge of robustness, the more likely that a manufacturing variation/fault can create a problem.

I have also had good success with anodized aluminum male threads installed into bare female aluminum. In fact, every F-150 with a 3.5L V6 has this in its oil pump.

Steel springs will experience "load loss" (less force at the same compression) due to a number of factors. The peak stress in the wire relative to the elastic limit is important. The temperature is also important. However, cycling a spring at high temperature when achieving peak stresses near...

The property you are seeking is high hardness, assuming that lubrication is not an option. You can conduct your searches based on that. It may be more productive than searching for "abrasion resistant".

Engine bearings today are designed right on the edge of robustness to maximize performance. When you couple that with shortened development lead times, I'm not too surprised...

Actually, Detroit Diesel, the American Diesel Engine manufacturer, is currently a subsidiary of Daimler Truck.

You need to be clear between fluid flow data and air leak data. Is the valve normally handling fluid but is air-tested for leakage?

I would just add a note under the GD&T frame reading "THROUGH 2 WALLS", or something like that.

Well, I'm guessing that all the people who know how to design thread inserts work for the thread insert companies. I would start by getting this information: 1.) What are all the torque and force specs for the old M16x2 bolt? 2.) Do you have any spare wall thickness available in the...

I agree with the others that there is no need to design an insert. There is a standard product line out there (Helicoil and others). There are 2 ways to go: 1. Use the insert that installs into an M16x2 thread, which gives a smaller thread at the insert ID. This will require a smaller bolt...

Mfgenggear, I do not doubt you at all.

Mfgenggear, I think he is part of a "captive"-supplier/internal-division and does not have that option.

I recommend that you approach this as if the part did have good orthogonal surfaces, but instead of specifying entire continuous surfaces as datums, instead establish datum targets within the drafted surfaces to define the datums. Use 3 targets for A, 2 for B, and 1 for C. The datum targets...

Got it.

Some places that come up in an internet search: FluidForming Americas Helander Metal Fischer Group Hydroform USA C.B.Kaupp & Sons Cutting Dynamics Hydroform Solutions Weber Hydroforming I can't vouch for any of them.