Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Silicone rubber USB charging port cap anti dust plug
CUSTOM RUBBER & SILICONE MANUFACTURING
Silicone rubber USB charging port cap anti dust plug
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
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 silicone rubber USB charging port cap closes the charging opening between cable connections. Because charging requires removal or opening, the design should account for the cap in both its fitted and displaced positions. Its custom dimensions need to match the port recess and provide practical access for handling.
The portion that engages the opening should remain clean while charging takes place. Avoid putting that surface where it will collect grit that can be transferred back to the port. Before refitting, check that the cap has not picked up debris and that its edges retain their intended shape. It should return to its seat smoothly without being forced against the connector.
The exposed face can be customized in color to coordinate with the device. Its projection should allow removal while remaining suitable for ordinary handling and storage. Assess the complete charging arrangement with the intended cable fitted, then the closed arrangement with the cap in place. Those two conditions establish whether the design works through the full charging routine.
- Material options
- Custom silicone compound; formulation and geometry developed together.
- Hardness selection
- Silicone options: 20–80 Shore A. Because charging requires removal or opening, the design should account for the cap in both its fitted and displaced positions.
- Custom geometry
- Its custom dimensions need to match the port recess and provide practical access for handling.
- Fit evaluation
- It should return to its seat smoothly without being forced against the connector.
- Color & OEM
- Custom colors; identification clear of connectors and removal features.
Photos illustrate structure or material appearance only. A silicone rubber USB charging port cap closes the charging opening between cable connections. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.
From part requirements to production
01
Define the part
Identify key dimensions, mating surfaces and quantity
02
Review material & tooling
Agree the compound and manufacturing approach
03
Evaluate the sample
Review the fit and agreed requirements in the assembly
04
Produce & inspect
Manufacture and check against the approved requirements
Review the intended assembly
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.
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