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Bit Twiddler, "Can anyone point out any areas where the US is investing more resources (money, research projects, bright people with technical degrees) in building things than China is?" The U.S. is building more casinos and maybe more shopping malls than China I would say. Probably more...

BitTwiddler for Congress!!!

You may get better results in a 500 ton machine or bigger. You stated that you are using 99% of the injection speed and pressure but it may not be fast enough to fill properly.

Bonding natural rubber to 6061 aluminum extrusion. Using Chemlock adhesives. Is there a surface treatment for the aluminum to roughen the surface prior to applying the adhesive? It would seem that a coarser surface finish is better for rubber adhesion than the smooth surface on the extrusion.

I noticed that the spec is for a maximum resistance force side to side and front to back. Is that common to specify for mounting? What is the intent of a max resistance force?

You must also consider the reaction forces at the mounts due to motor torque and vibration.

what has the price been historically?

how did you post a drawing here??

Thank you for the help. I'll give you a star if I am successful with the search. Brad

Extremely hard to find supplier in the US. I have to find DOM tubing as follows: 15.0 mm O.D., 2.25 mm wall, meets Japanese standard STAM290GA or STAM35G-M. U.S. suppliers I have contacted don't understand the spec numbers listed.

This is difficult to find. Will need to meet Honda spec.

Try Robin Industries in Ohio. www.robin-industries.com

I would lean toward SolidWorks too.

You can also fabricate a tank with plexiglass sheets and use adhesive or solvent bond in the corners. Test the joints on a small piece to see if corners will hold.

There are hydraulic dampers or gas springs. I don't know if hydraulic dampers "pop" like an air spring strut.A damper designer should be able to solve the problem. Risk Assessment will find a problem with hydraulic damper.

Are you using only one strut? If you are then you are asking for trouble because they are not designed to handle a twisting load. If you are using 2 struts, possibly you could oversize them so if one fails,the lid will not close abruptly. The failed strut could be replaced. Find out what...

Chapstick, I have used fabco cyl before for stamping also and it worked. But the 48 inch stroke in an assembly application is not feasible with Fabco type cylinder. Is it? Thank you for response.

I have a hydraulic assembly machine which currently utilizes a 5 inch bore x 48 inch stroke hydraulic cylinder operating at 750 psi (maximum pressure from pump) and approx 41 gpm. Is it possible to "boost" the pressure the last inch or so of stroke by adding valves and booster...

try www.d-m-e.com they sell what your looking for.

Are you talking about metal clips molded in a plastic body? Not hard to do at all. make sure the mold can seal off on the metal clip when you injection mold the plastic, so that there is no leakage of plastic over areas you don't want. Or you can assemble pre-molded plastic bodies to the metal...