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How would I calculate the maximum possible inflated volume of an initially flat sealed bag which has an irregular shape (two examples below) made out of two pieces of material which can bend but not stretch and assuming the opening is on the top edge? For a rectangular shape, this is commonly...

What adhesive would you recommend for bonding TPU to a PVC substrate? Preferably a heat-activated adhesive that is non-tacky at room temperature. Medical grade would be a plus, but not absolutely necessary. Any input is appreciated. Thanks

I'd like to know the exact material of this gasket. What's the best way to find out?

What is a simple way to apply a uniform coating of rubber (thickness 0.15-0.35 mm) to a mandrel? The mandrel is essentially a cylindrical shape and made of aluminium. The coating is a urethane rubber: https://www.smooth-on.com/products/simpact-60a/

What are some practical applications of Graphene in the healthcare industry? Please feel free to comment if you have any useful insights

I'm looking for a material similar to Natural Rubber Latex, that can be poured in a mold and cure at room temperature. The part to be molded is a very thin cylindrical membrane that is than twisted in its final shape. See picture below of the shape as molded. Dimensions are in mm. Any...

Hi All, I just stumbled upon this particular case where I want to set the length of a sketch curve (spline, arc, etc.) equal that of a edge (also spline, arc, etc.) in the model, marked in yellow here. The two entities should be parametrically linked. I could not find a straightforward...

I’m exploring the possibility of using an elastomeric foam for a sealing component. The seal is for use in a cannula or tube, to form a pressure barrier between spaces, and adapted to accommodate instrument diameters ranging from 5 to 12 mm passed through. Essentially a plug with a small...

Hi All, I have a disc made of soft flexible material that needs to be stretched over a tube opening. Is it possible to apply a pre-tension load across the surface to simulate this? The geometry I modeled should be the correct shape under tension. I could define a cylindrical coordinate system...

Hi All, I have a cylindrical rubber piece that I want to twist into a hyperboloid. I tried fixing a circular edge, and applying a rotational displacement of 10° to the other edge but the deformation seems quite unrealistic. I would expect the necking to happen about halfway. Also the required...