Custom manufacturing example · custom rubber push buttons/conductive numeric keypad

CUSTOM RUBBER & SILICONE MANUFACTURING

custom rubber push buttons/conductive numeric keypad

A custom component for your assembly.

Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.

Factory direct
Made to order
Drawing & sample support

Share the part, its application and your estimated quantity.

Customize the fit, material and finish

Vulcanization workshop illustration with green molding presses and blue collection bins

Material & hardness

Selected for the contact, temperature and movement

Color & finish

Define the visible surfaces and intended color

Shape & dimensions

Develop holes, lips and walls around the mating parts

Mounting & fit

Match the attachment and installation method

Product Overview

A conductive numeric keypad combines custom rubber push buttons with the contact arrangement used by the device. Develop the key positions around the intended number layout and underlying circuit. The visible spacing should let the user enter a sequence without repeatedly changing grip or crossing unrelated controls.

Trial several representative number sequences on the assembled interface. Check that each key returns before the next input and that an off-center press does not move a neighboring button. The pad should remain aligned after the housing and board are secured; a loose sample cannot reveal every source of rubbing or preload.

Choose the finished rubber for the handling and environmental conditions. Electrical response needs assessment with the intended circuit and contact design, without assuming a resistance or switching rating from the conductive description alone. Keep the contact side clean during assembly. If an input becomes intermittent, examine both the moving key and its contact alignment before applying extra pressing force. Numeric entry depends on consistent release and clear separation between successive actions.

Material options: Rubber. Custom formulation and color for the intended contact conditions.
Hardness selection: Rubber: 30–90 Shore A. If an input becomes intermittent, examine both the moving key and its contact alignment before applying extra pressing force.
Custom dimensions: The visible spacing should let the user enter a sequence without repeatedly changing grip or crossing unrelated controls.
Fit & assembly: Check that each key returns before the next input and that an off-center press does not move a neighboring button.
Use & inspection: The pad should remain aligned after the housing and board are secured; a loose sample cannot reveal every source of rubbing or preload.

Photos illustrate structure or material only. If an input becomes intermittent, examine both the moving key and its contact alignment before applying extra pressing force. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

From part requirements to production

Define the part

Identify key dimensions, mating surfaces and quantity

Review material & tooling

Agree the compound and manufacturing approach

Evaluate the sample

Review the fit and agreed requirements in the assembly

Produce & inspect

Manufacture and check against the approved requirements

Review the intended assembly

Working conditions

Identify temperature, contact fluids and repeated movement.

Material and structure

Consider hardness together with wall thickness and support.

Installation

Check access, mating dimensions and the fitting sequence.

Ordering this custom component

Can the shape be adjusted to my mating parts?

Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.

Which details should be agreed before tooling?

Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.

Can a sample help define the replacement?

A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.

How is the quotation for this part determined?

The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.

DISCUSS THIS COMPONENT

Describe the part you need.

Share the fit, operating conditions and quantity with our manufacturing team.