Molded Rubber Bumper Rubber Cushion Feet

Molded rubber cushion feet can act as bumpers where a supported part meets its base. In a cushioning arrangement, the rubber is intended to occupy a defined space and deform within the limits of the surrounding design. Its usefulness depends on the available movement and the contact profile, rather than simply adding a soft part wherever rigid surfaces touch.

For a stop application, show the position of both components before and during contact. Record the gap, approach direction and maximum space available for compression. A small contact area can place concentrated force on the bumper, while a narrow surrounding pocket may restrict how the rubber changes shape. If the same component is used as a supporting foot, provide the normal static load and the required installed height instead of an impact-only description.

ETOL can review a custom profile, dimensions, compound and hardness from the assembly information. The molding design should accommodate the required retention feature and any nearby edge that could cut into the rubber. Avoid assuming that a taller or softer bumper necessarily gives better cushioning; the part must remain compatible with the available travel and the position of the mating components.

Evaluate a molded rubber bumper using the actual contact sequence. Look for contact occurring off-center, the part shifting in its mounting point, or the rubber being squeezed into an unintended gap. Check whether the assembly still reaches its required position without rigid surfaces striking each other. During maintenance, inspect the contact face for indentation and the attachment for loosening. For quotation and sampling, include a drawing of the mating surface as well as the bumper itself, plus a description of how contact occurs. This makes it possible to discuss a profile that suits the working clearance instead of choosing a generic pad by outer dimensions alone.

Material options

Custom rubber compound and color, selected for the contact conditions and required geometry.

Hardness range

30–90 Shore A for rubber. Assess the grade against this fit requirement: In a cushioning arrangement, the rubber is intended to occupy a defined space and deform within the limits of the surrounding design.

Custom profile & fit

A small contact area can place concentrated force on the bumper, while a narrow surrounding pocket may restrict how the rubber changes shape.

Assembly considerations

Check whether the assembly still reaches its required position without rigid surfaces striking each other.

Design check

Evaluate a molded rubber bumper using the actual contact sequence.

Photos illustrate structure or material only. The usefulness depends on the available movement and the contact profile, rather than simply adding a soft part wherever rigid surfaces touch. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.