Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · High temperature bellows Custom made small bellows
CUSTOM RUBBER & SILICONE MANUFACTURING
High temperature bellows Custom made small bellows
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
High temperature bellows provide a folded flexible cover for an assembly where heat and movement occur together. Their dimensions and material can be customized around the attachment points and the region being protected. The operating temperature belongs to the selected compound and exposure conditions, while the fold geometry determines the available movement.
Identify where the heat reaches the bellows. Radiant exposure from one side, contact at an end fitting and warm air around the whole part can create different conditions. Leave suitable clearance from adjacent hot surfaces rather than using a fold as a rubbing contact against them.
Measure both the extended and compressed positions of the mechanism. A compact bellows still needs space for the folds to gather without being pinched. Check the end alignment so normal movement opens the folds evenly instead of stretching one side much more than the other.
ETOL offers custom size, color and compound options. Evaluate the fitted cover through the intended motion and operating cycle, including the return to its resting position. During maintenance, inspect the sides facing the heat and the roots of the folds for changes in shape or damage. Remove accumulated material from between folds before it limits movement. Release the attachments before taking the bellows off so servicing does not place unnecessary pulling force through its flexible wall.
- Material options
- Rubber compound options, customized alongside the profile and contact conditions.
- Hardness selection
- Solid rubber options: 30–90 Shore A. High temperature bellows provide a folded flexible cover for an assembly where heat and movement occur together.
- Custom geometry
- Leave suitable clearance from adjacent hot surfaces rather than using a fold as a rubbing contact against them.
- Fit evaluation
- Measure both the extended and compressed positions of the mechanism.
- Color & OEM
- Custom colors; identification clear of folds and end connections.
Photos illustrate structure or material appearance only. The operating temperature belongs to the selected compound and exposure conditions, while the fold geometry determines the available movement. 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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