Spring Assembly / Suspension for Motor Vehicle Manufacturing

Product Specifications

Technical details and manufacturing context for Spring Assembly / Suspension

Definition

The spring assembly/suspension is a critical component within the Base Unit/Drive system that absorbs shocks, dampens vibrations, and maintains proper alignment and contact between moving parts. It typically consists of springs, dampers, mounting hardware, and sometimes guide elements that work together to ensure smooth operation and protect other components from excessive forces. This assembly is used in motor vehicle manufacturing as a part-level component, and its design must be matched to the specific application. The assembly operates by converting kinetic energy from impacts or vibrations into potential energy stored in the springs, while dampers (if present) dissipate this energy as heat. This reduces oscillations and maintains consistent contact pressure between components, ensuring reliable power transmission and component protection. The materials on file include spring steel, alloy steel, rubber, and polyurethane. Key parameters include rated load capacity (500–2000 kg), spring rate (20–80 N/mm), damping force (1000–4000 N at 0.3 m/s piston velocity), stroke length (100–250 mm), operating temperature (-40–85 °C), operating pressure (1.0–1.6 MPa), damping force tolerance (±10%), spring material (60Si2MnA per GB/T 1222), surface treatment (zinc-plated), weight (5–15 kg), mounting hole diameter (12–20 mm), and IP rating (IP54–IP65 per IEC 60529). These values are reference ranges and must be verified for the actual model and application. The assembly is designed to operate within specified limits; exceeding these limits can lead to reduced performance or failure. Regular inspection of springs, dampers, and mounting hardware is recommended to ensure proper function. For procurement, verify that the selected assembly meets the required specifications and standards for your specific vehicle or system.

Working Principle

The spring assembly/suspension works by converting kinetic energy from impacts or vibrations into potential energy stored in the springs, while dampers (if present) dissipate this energy as heat. This reduces oscillations and maintains consistent contact pressure between components, ensuring reliable power transmission and component protection. The springs absorb shock and store energy, while dampers control the release of that energy to prevent excessive bouncing. The assembly maintains proper alignment and contact between moving parts, protecting other components from excessive forces. The specific design and materials determine the load capacity, spring rate, and damping characteristics, which must be matched to the application.

Common Materials

Spring steel, Alloy steel, Rubber, Polyurethane

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Load Capacity	500–2000 kg	Maximum static load per assembly
Spring Rate	20–80 N/mm	Determines ride comfort and load support
Damping Force	1000–4000 N	At 0.3 m/s piston velocity
Stroke Length	100–250 mm	Total travel range
Operating Temperature	-40–85 °C	Seal and fluid performance limits
Damping Force Tolerance	±10%	Ensures consistent performance
Spring Material	60Si2MnA	High fatigue strengthGB/T 1222
Surface Treatment	Zinc-plated	Corrosion resistance
Weight	5–15 kg	Affects vehicle unsprung mass
Mounting Hole Diameter	12–20 mm	Must match vehicle mounting points
IP Rating	IP54–IP65	Protection against dust and waterIEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Compression Spring Part
Provides the main suspension force and energy absorption

Material: Spring steel
Spring Seat/Retainer Part
Secures spring ends and provides mounting interface

Material: Alloy steel
Damping Element Part
Reduces oscillations and dissipates energy (if included)

Material: Rubber or polyurethane
Guide Rod/Bushing Part
Maintains proper spring alignment during compression

Material: Steel or bronze

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Base Unit / Drive

View system integration details

Manufacturers of Spring Assembly / Suspension

Manufacturer profiles associated with Spring Assembly / Suspension.

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Frequently Asked Questions

What is the typical load capacity of a spring assembly?

The rated load capacity is typically in the range of 500–2000 kg, but this is a reference range. The actual capacity depends on the specific design and materials. Always verify the load capacity for your application with the manufacturer or supplier.

What materials are commonly used in spring assemblies?

Common materials include spring steel, alloy steel, rubber, and polyurethane. The specific material grade, such as 60Si2MnA, is listed as a reference and must be confirmed for the actual product.

How does the damping force affect performance?

Damping force, typically 1000–4000 N at 0.3 m/s piston velocity, controls the rate at which the suspension absorbs and dissipates energy. Incorrect damping can lead to poor ride comfort or component stress. Verify the damping force matches your requirements.

What standards apply to spring assemblies?

Standards such as IEC 60529 for IP rating are listed as references. However, compliance must be verified with the manufacturer. Always check that the product meets the required standards for your application.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 300 bar
temperature:	-40°C to 120°C
dynamic load:	Up to 5000 N
frequency range:	0-100 Hz

Spring Assembly / Suspension

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards