High-Precision Cordless Lift Systems Engineered for 50,000+ Cycles

Premium-grade spring lift systems designed for modern cordless blinds coverings.

Our high-precision cordless lift systems are crafted using Grade 301 stainless steel constant-force engineering, integrated with zero-drift braking, and fully compliant with ANSI/WCMA safety standards. Designed to last over 50,000 cycles, the system ensures ±5% torque stability, <35 dB silent operation, and seamless integration with standard U.S. headrails, eliminating creep, recoil shock, and reducing assembly complexity.

Electric tubular motors for cordless Spring Mechanism Roller Blind

Our lift system integrates a microprocessor-based control architecture with a human-engineered feedback interface, combined with ultra-precise torque sensing and zero-drift positioning technology. The system uses adaptive speed control to dynamically adjust lifting motion based on real-time load feedback, ensuring smooth and consistent operation across varying fabric weights and shade sizes.

The system employs a hydraulic-damped silent braking mechanism, utilizing chrome-hardened shaft components and wear-resistant polymer bushings to maintain minimal operational clearance, long-term structural integrity, and a streamlined aesthetic design.

Multi-layer sealed assemblies provide dust-resistance and environmental protection, significantly extending service life. The drive unit features a high-efficiency brushless motor, reducing energy consumption and total cost of ownership. The core cassette is constructed from high-strength stainless steel profiles, making it more durable and reliable than conventional spring systems on the market.

Key components are manufactured from certified Grade 301 stainless steel and corrosion-resistant alloys. As a result, the entire system delivers high lifting precision, exceptional torque stability, consistent cycle performance, and plug-and-play compatibility, making it ideally suited for high-end residential, commercial, and hospitality applications requiring cordless automation with silent, safe, and reliable operation.

Main Features

Our cordless lift system utilizes Grade 301 stainless steel constant-force spring engineering, combined with integrated zero-drift braking, resulting in ±5% torque stability, excellent cycle reliability, and a compact, service-friendly structure;

The system features oil-damped silent brake technology, providing smooth, shock-free operation and effectively extending mechanical life; the high-efficiency drive unit ensures under 35 dB silent performance, reducing long-term noise impact and user fatigue;

The modular cassette is constructed from high-strength, precision-formed components, making it more durable, consistent, and easier to integrate than conventional spring lift systems on the market.

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Constant-Force Precision

Ensures stable torque and consistent performance for accurate, reliable lifting

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Zero-Drift Braking

Prevents unwanted movements and ensures safe, steady operation

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Full-Cycle Endurance Tested

Verified for long-term reliability and consistent performance after extensive use.

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Silent Operation (<35 dB)

Operates quietly to minimize noise, reducing fatigue and providing a more comfortable environment

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Plug-and-Play Compatibility

Easily integrates with existing systems, reducing installation time and effort

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Corrosion-Resistant Build

Built with durable materials that withstand wear, extending product lifespan even in harsh environments

High-Precision Cordless Lift Systems | Dosron

Batch-to-Batch Consistency

Delivers uniform results across multiple units for dependable, repeatable performance

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Child-Safety Compliant

Meets strict safety standards, ensuring it is safe for environments with children

Main Components

Cordless Lift System Introduce

Application Areas

Application Areas
Application Areas
Application Areas
Application Areas

Technical Data

SpecificationHeavy-Duty (H1)Standard (S1)Slim-Line (M1)
Compatible Tube (mm)38 / 45 / 5028 / 32 / 3820 / 25
Max Load (kg)8.04.52.5
Spring Spec.0.12-16-30000.10-16-30000.09-16-3000
Spring MaterialGrade 301 Stainless SteelGrade 301 Stainless SteelHigh-Carbon Alloy
Load Range (g)1270–370870–200720–150
Torque Stability (±%)555
Cycle Life50,000+50,000+50,000+
Noise Level (dB)<35<35<35
Brake TypeOil-Damped SilentFrictionFriction
AdjustabilityTool-Free TuningPre-SetPre-Set
ComplianceANSI/WCMA A100.1ANSI/WCMA A100.1ANSI/WCMA A100.1
Typical ApplicationLarge Cellular & Roller ShadesMedium Cellular & Roller ShadesLightweight Shades & Blinds
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