Description

Technical Parameters

Shift Rubber Bellows

Shift rubber bellows are a special type of rubber bellows used in automobile transmission systems. It plays the role of connection and sealing in automobile transmissions, and also has the function of absorbing vibration and noise. Here are some details about the shift rubber bellow:

Material

Shift rubber bellows are usually made of rubber materials with excellent wear resistance and oil resistance, such as nitrile rubber (NBR) or chloroprene rubber (CR). These materials can withstand the high temperatures, pressures, and chemical media required in transmission systems.

CR 65
Properties	Test Method	Unit	Value
Hardness	ISO 7619-1	Shore A	65
Density	ISO 1183	g/m³	1.41
Compression set	ISO 815 22h / 70 °C	%	40
Elongation at break	ISO 37-52	%	200
Tear resistance	ISO 37-52	N/mm²	5
Working Temperature		° C	-30° C / +70° C
Ageing	DIN 53508 - 70hrs. 70 °C
Hardness		Shore A	+7
Tensile		%	-16
Elongation at break		%	≤-25

rubber-shift-boot-bellows-manufactory-Auto

Structure

The shift rubber bellows have a corrugated structure that resembles a series of continuous wavy pleats. This design makes it highly flexible and expandable, allowing it to expand and contract freely under the vibration and displacement of the transmission system while maintaining the tightness of the connection.

Sealing performance

The shift rubber bellows play an important role in sealing the transmission system to prevent liquid or gas leakage. It can withstand the pressure in the transmission system and maintain stable sealing performance to ensure the reliability of fluid transmission.

Resistant to Vibration and Noise

Shift rubber bellow absorbs and mitigates vibration and noise in the transmission system. Its flexibility and elasticity can reduce vibration and noise transmitted to the vehicle chassis and improve driving comfort.

About professional FAQ?

Q: What is the function of the shift rubber bellows?

A: The shift rubber bellow plays multiple roles in the automobile transmission system. It serves as a connection and seal to ensure leak-free fluid transmission in the transmission system. In addition, it absorbs and reduces vibrations and shocks in the transmission system, providing driving comfort.

Q: When do the shift rubber bellows need to be replaced?

A: The shift rubber bellow usually has a certain service life and will be affected by the environment and working conditions. If the bellows is found to be cracked, aged, deformed, or leaking, or if its sealing performance is found to have deteriorated during inspection, it may need to be replaced.

Q: How to maintain the shift rubber bellows?

A: The shift rubber bellow generally does not require special maintenance. However, it is important to check its appearance and sealing performance regularly. If any abnormalities are found, it is recommended to replace them in time.

Q: How to choose a suitable shift rubber bellows?

A: Selecting a suitable shift rubber bellow should be based on the vehicle's manufacturer specifications and requirements. It is recommended to pick original or qualified replacement products that meet specifications and quality standards to ensure safety and performance.

Q: How long is the service life of the shift rubber bellows?

A: The life of the shift rubber bellow depends on several factors, such as usage conditions, material quality, and maintenance status.

Mainly speaking, they have a long service life, but regular inspection and maintenance are still key to ensuring their proper operation.

Please note that answers to these questions may vary depending on the specific vehicle model, manufacturer specifications, and product design.

This is one kind of special rubber grommet, pls contact our engineer for discuss. Such as Size, materials choice, molding design .etc.

Certification

product-364-455 product-236-295

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