Ningbo XiaYi Electromechanical Technology Co.,Ltd.
| Size | According To Drawing |
| Payment Terms | Can be disscussed |
| Durability | High |
| Application | Shock Absorber |
| Supply Ability | 20,000pcs / day |
| Product Name | Banded Piston |
| Color | Black |
| Delivery Time | 2 weeks for new samples |
| Noise Level | Low |
| Material of bands | Filled PTFE |
| Packaging Details | Standard export packing |
| Pressure Resistance | High |
| Model Number | XYJD-J242 |
| Certification | IATF16949:2016 |
| Place of Origin | Zhejiang, China |
| Brand Name | XIAYI |
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Product Specification
| Size | According To Drawing | Payment Terms | Can be disscussed |
| Durability | High | Application | Shock Absorber |
| Supply Ability | 20,000pcs / day | Product Name | Banded Piston |
| Color | Black | Delivery Time | 2 weeks for new samples |
| Noise Level | Low | Material of bands | Filled PTFE |
| Packaging Details | Standard export packing | Pressure Resistance | High |
| Model Number | XYJD-J242 | Certification | IATF16949:2016 |
| Place of Origin | Zhejiang, China | Brand Name | XIAYI |
| High Light | Self lubricating banded piston for shock absorbers ，Low noise banded piston with high pressure resistance ，Shock absorber piston with self lubrication | ||
A Banded Piston is a critical internal component inside automotive hydraulic shock absorbers. It is designed with a precision piston body and a low-friction piston band installed on the outer diameter.
During shock absorber operation, the piston moves repeatedly inside the cylinder tube under high-frequency compression and rebound conditions.
The piston band provides:
Unlike traditional metal sliding pistons, a well-designed Banded Piston creates a controlled sliding interface between the piston and cylinder wall, reducing wear and extending shock absorber service life.
Reliable Piston Band Retention Technology for Automotive Applications
XIAYI specializes in manufacturing precision shock absorber components, including:
For Banded Piston development, XIAYI focuses on the most critical customer concern: "The piston band must remain securely fixed during the complete service life of the shock absorber."
A loose or detached piston band may cause:
XIAYI improves product reliability through:
Different shock absorber systems require different piston structures. XIAYI provides customized Banded Piston designs according to:
Design Feature: The piston body contains a precision-machined retaining groove where the piston band is securely installed.
Advantages:
Typical Applications: Suitable for passenger cars, family sedans, and compact SUVs.
Performance Benefits: Provides smooth piston movement, reduced friction, and improved suspension comfort.
Design Feature: Multiple retaining structures increase the contact area between piston body and piston band.
Advantages:
Typical Applications: Suitable for SUVs, heavy-duty passenger vehicles, and vehicles operating on rough roads.
Performance Benefits: Helps reduce band movement, uneven wear, and long-term clearance variation.
Design Feature: The piston band contact length is increased to improve piston guidance.
Advantages:
Typical Applications: Suitable for long-stroke dampers and comfort-oriented suspension systems.
Performance Benefits: Improves driving smoothness, noise control, and suspension stability.
Design Feature: Uses optimized polymer band materials with lower friction characteristics.
Advantages:
Typical Applications: Suitable for electric vehicles, premium passenger vehicles, and performance suspension systems.
The piston band material directly influences:
| Material Type | Characteristics | Application |
|---|---|---|
| PTFE Based Material | Low friction and excellent chemical resistance | Standard automotive dampers |
| Modified PTFE Compound | Higher wear resistance and strength | SUV and premium vehicles |
| Engineering Polymer Composite | High load capability | Heavy-duty applications |
The piston band is a small component, but it has a major influence on damper durability.
Reduce Friction: Lower friction between piston body and cylinder tube results in lower heat generation, reduced wear, and longer service life.
Maintain Piston Alignment: A stable piston band prevents piston tilting, uneven clearance, and side loading, providing more stable damping force, better vehicle handling, and improved ride comfort.
Protect Cylinder Surface: Without proper guidance, metal contact may cause cylinder scratches, internal leakage risk, and performance degradation. A durable piston band protects the cylinder surface throughout the operating cycle.
Problem 1: Insufficient Retention Force - Possible results: band movement, poor guiding performance, and increased wear.
Problem 2: Piston Band Detachment - Possible results: direct metal contact, cylinder damage, abnormal noise, and reduced damping performance.
Problem 3: Excessive Wear - Possible results: increased clearance, reduced suspension control, and shortened damper lifetime.
XIAYI provides:
| Customer Concern | XIAYI Solution |
|---|---|
| Piston band falling off | Strict pull-out force testing |
| Inconsistent performance | Process monitoring |
| Excessive wear | Material optimization |
| Cylinder damage | Stable guiding design |
| Short service life | Reliability-focused engineering |
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
1500000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust... Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust...
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