4.5kw Closed Loop AC Servo Motor Dynamometer Test Bench for Sewing Machines

Name: 4.5kw Closed Loop AC Servo Motor Dynamometer Test Bench for Sewing Machines
Brand: Hangzhou Changniu Technology Co., Ltd.
SKU: 2145531065

Zhejiang, ChinaHangzhou Changniu Technology Co., Ltd.

US$4,000.00-21,000.00

1 unit

Product profile

Customization

Available

After-sales Service

on Line

Warranty

One Year

Model NO.

Max Diameter of Workpiece

700mm

Mass Scope of Workpiece

<900kg

Maxcapacity

<1000KN

Accuracy Grade

0.5

Load Way

Electronic Load

Loading Method

Dynamic Load

Display

Digital

Control

Computer Control

Weight

100-500Kg

Power Source

AC220V

Using The Power Supply

220V

Operating Environment

0-40 Degrees Centigrade

Operating Humidity

Less Than or Equal to 70%

Blocking Test Current

0-500A

Blocking Test Voltage

0-500V

Blocking Test Accuracy

0.5

No-Load Test Current

0-500A

No-Load Test Voltage

0-500V

No-Load Test Accuracy

0.5

Industrial Frequency Withstand Voltage T

3.0

Transport Package

Dust-Free Packaging + Sturdy Wooden Crates

Trademark

Changniu Technology

Origin

Hangzhou, China

Production Capacity

50pieces/Year

Key features

Comprehensive Test Items: Supports 10 test items including efficiency, temperature rise, and insulation resistance.

High Precision Grade: Features 0.5 accuracy grade for reliable motor performance measurement.

Lifetime Maintenance: Provides 1-year warranty with lifetime maintenance support for all instruments.

Professional Manufacturer: Direct factory supply with 8 R&D engineers and ISO9001:2015 certification.

Flexible Customization: Offers full customization from samples, designs, and minor adjustments.

Global Support: Provides technical assistance, spare parts, and remote/on-site training.

Wide Application Scope: Suitable for industrial, high voltage, diesel generator, and new energy motors.

Strict Quality Control: 100% inspection for finished products with dedicated QA/QC team.

Company profile

Self-brandedFlexible CustomizationRaw-Materials TraceabilityProduction Process Visualization

Hangzhou Changniu Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤2.64h

AI-Powered supplier vetting

SummaryThe supplier manufactures instruments, mechanical and electrical equipment, industrial automation control systems, and develops related software. It provides 3D design, ODM, OEM, and multiple customization services, supported by AutoCAD/AI capability, four R&D patents, and available design review, verification, and validation documentation. Production-related evidence includes inventory capability, drilling-machine and assembly-line facilities, and stated lead times of within 15 workdays in both peak and off-season periods. However, the supplier has no valid manufacturing-capacity contract with affiliated subcontractors, no overseas agents, branches, warehouse, showroom, or documented service procedures. Export activity is limited to 1%–10% of sales and began three years ago. No financial figures or certification records are provided.

Supplier typeThe supplier is a manufacturer and technical-service provider covering instruments, mechanical and electrical equipment, industrial automation systems, software development, and related sales and services. Its stated aerospace customer focus and OEM/ODM offerings indicate an industrial B2B supplier profile.

R&D capabilityThe supplier offers ODM services, provides 3D software design, and reports AutoCAD and AI capabilities, four R&D patents, and review, verification, and validation documentation. However, it reported no new products during the past year and has no available SDK, so the evidence supports established R&D capability but not strong recent product innovation.

Production capacityDrilling-machine and assembly-line facilities, inventory capability, quality assurance, and stated lead times within 15 workdays in both peak and off-season support production readiness. Nevertheless, there is no valid contract with affiliated subcontractors, and service-capability assessment lacks written procedures and approved-supplier records.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, flexible customization, 3D design services, ODM, and OEM for popular brands. These multiple stated service modes provide direct evidence of broad customization capability.

Product Q&A

Q:Are you a manufacturer?

Yes, Hangzhou Changniu Technology Co., Ltd. specializes in the design and production of testing equipment for electric motors and pump motors, and provides ODM services.

Q:How does your factory control the quality?

The factory has a fast and enthusiastic sales team, a strict and responsible Qc team, and has served many companies with high quality products and strict quality standards.

Q:What is the delivery time of the order?

The delivery time is 15-60 days. Customised models need longer time, you can contact us for mutual negotiation.

Q:What is the warranty policy of changniu motor testing equipment?

All customers enjoy 12 months warranty and all instruments are maintained for life!