Innovative Wiper Arm Composite Part for Lightweight Train Applications

Name: Innovative Wiper Arm Composite Part for Lightweight Train Applications
Brand: Shandong Chonhunteda Composite Co., Ltd.
SKU: 2177629432

Shandong, ChinaShandong Chonhunteda Composite Co., Ltd.

US$50.00-200.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Shape

Carbon Fiber Plate

Raw Materials

Polyacrylonitrile-Based Carbon Fiber

Model NO.

CP-38

Performance

High-Strength Type

State

Filament

Mechanical Property

High-Performance Type

Reinforcement Material

T700/T800 Carbon Fiber + E Glass Fiber

Resin System

Standard Mediumtemperature Epoxy Resin

Core Advantages

High Strength & Low Weight

Density

1.6-1.8 G/Cm³

Standard Thickness

1.5mm-50mm, Customizable

Curing Temperature

120℃-180℃

Forming Process

Autoclave Curing

Delivery Forms

Customized

Post-Processing

Available for Cutting, Drilling, Polishing

Forming Form

Prepreg B-Stage Impregnation

Porosity

≤1％

Forming Pressure

0.6-1.0MPa

Lay-up Structure

Custom-Designed on Demand

Application Fields

Aerospace, Rail Transit, Industrial Equipment

Customization Service

Customizable Thickness, Dimensions

Transport Package

According to Customer Needs

Specification

Customized

Trademark

Chonhunt eda

Origin

Zhucheng, Weifang, Shandong

HS Code

6815139090

Production Capacity

200000pieces/Year

Key features

Ultra-Lightweight Design: Significantly reduces vehicle dead load and rotational inertia compared to metal arms.

Variable Cross-Section Design: Eliminates bending deflection and ensures uniform wiping precision at high speeds.

Chemical Erosion Resistance: Resists deicing fluids, exhaust pollutants, and saline rainwater without surface blistering.

Customizable Dimensions: Thickness and dimensions can be tailored to specific rail transit requirements.

High-Strength Carbon Fiber: Manufactured from T700/T800 carbon fiber with high-performance mechanical properties.

Low Maintenance Requirement: Dense seamless surface prevents peeling and eliminates need for regular surface maintenance.

Comprehensive Post-Processing: Available for cutting, drilling, polishing, painting, and edge sealing to fit assembly.

Fire Safety Compliance: Meets FAR 25.853 and UL94 V-0 standards with self-extinguishing and low smoke properties.

Company profile

Management CertificationR&D CapabilitiesIn-stock CapacityImporters and Exporters

Shandong Chonhunteda Composite Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤5.89h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial automatic control systems and general mechanical and electrical equipment, while also providing related research, sales, engineering, and technical services. It reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, written inspection procedures, valid manufacturing-capacity contracts with affiliated subcontractors, and in-stock capacity. Customization and ODM services are available, supported by 12 R&D engineers, two innovation platforms, advanced equipment, testing capabilities, and a quality assurance system. However, the supplier reports no new product information in the past year, no overseas warehouse or showroom, and zero overseas service countries. Service corrective-action and complaint-handling procedures lack written records. Financial information is inconsistent and insufficient for a reliable assessment.

Supplier typeThe supplier is a manufacturer and technical service provider covering industrial automatic control systems, mechanical and electrical equipment, general equipment, special-equipment sales, engineering R&D, and technical services. Its described innovation laboratories, testing capabilities, and quality assurance system further support a manufacturing-oriented profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. The records also mention other product-compliance and sustainability certifications, but do not specify their names or scope.

After-Sales capabilityThe supplier has written procedures and records for assessing service capability and reports in-stock capacity, but its corrective and preventive action and customer-complaint procedures have no written records. It has no overseas warehouse, no overseas showroom, and reports services in zero overseas countries, limiting evidence of international after-sales coverage.

R&D capabilityThe supplier reports 12 R&D engineers, ODM capability, two innovation platforms, advanced equipment, and comprehensive testing capabilities. However, it also states that no new product information was available in the past year, so recent innovation output is not demonstrated.

Production capacityProduction-related evidence includes uniformly followed finished-product inspection instructions, valid manufacturing-capacity contracts with each affiliated subcontractor, in-stock capacity, advanced equipment, testing capabilities, and a quality assurance system. These records support established production and quality-control capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This indicates broad product-design and modification flexibility.

Client casesThe supplier states that it has collaborated with Fortune 500 companies and that repeat buyers account for 50%–80% of buyers. It has also exported for 10 years, although exports represent only 1%–10% of total sales; these statements provide positive customer-experience evidence without identifying specific customers.

Product Q&A

Q:What unique merits does the full carbon fiber integrated wiper arm possess compared with traditional metal wiper arms?

Traditional metal wiper arms are heavy with prominent rotational inertia, prone to fatigue cracks at welding joints and chemical corrosion from deicing liquids. They produce severe flutter under high-speed airflow and impose heavy impact loads on wiper transmission parts. This monolithic carbon fiber wiper arm adopts variable cross-section fiber stacking and aerodynamic modeling. It features low inertia, uniform stress distribution, chemical erosion resistance and coordinated thermal deformation

Q:Can this wiper arm avoid bending deflection and uneven wiping traces at high operating speeds?

Yes. The asymmetric variable cross-section fiber layup fits the actual force path of the wiper arm. It withstands instantaneous centrifugal torsion during reciprocating wiping, prevents blade offset and streak marks, and keeps stable and uniform wiping precision at all train speeds.

Q:How does the lightweight design protect the wiper transmission assembly?

Its ultra-low mass greatly reduces rotational inertia when the wiper starts and stops. It relieves sudden impact on gears and connecting linkages, slows component abrasion, and cuts the frequency of maintenance and replacement for the wiper drive system.