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SUNDOO Full-Automatic Spring Tester SDS

The SDS Series Full-Automatic Spring Tester delivers high-precision spring and material testing with a servo drive system, 32-bit control platform, and touchscreen display, supporting capacities from 10 N to 1000 N. Ideal for labs, production, and QC environments, it offers multiple test modes, high-resolution measurements, and real-time curve visualization.

  • Fully automatic servo-driven system for precise and repeatable testing
  • Multiple test modes: constant force, constant displacement, multipoint, and cycle tests
  • High-resolution measurement: ultra-fine load and displacement resolution ensures accuracy
  • Touchscreen display: 800 × 480 pixel TFT screen shows peak value, real-time force, and force curve simultaneously

Description

The SDS Series Full-Automatic Spring Tester is an advanced testing system designed for precise, repeatable spring tension and compression measurement. Equipped with a servo drive system and a 32-bit control platform, it provides exceptional accuracy and stability across a wide range of capacities, from 10 N to 1000 N, with fine load and displacement resolution.

Ideal for laboratories, production lines, and quality control environments, the SDS series is versatile enough to test not only springs but also other materials such as rubber components requiring controlled tension and compression.

Featuring an 800 × 480 pixel touchscreen interface, the system allows simultaneous display of peak values, real-time force, and force curves, giving users complete monitoring and control. Users can define upper and lower limit values, select multiple automatic test modes, and store several test values and curve sets for in-depth analysis.

The high-precision ball screw mechanism, combined with a low-noise servo drive and a high-accuracy sensor, ensures stable motion control and reliable measurement performance across both low and high-speed ranges. With options for multiple units (N, kgf, lbf, ozf), automatic test cycles, and internal report printing, the SDS Series is the ultimate solution for automated spring and material testing.

Features

  • Fully automatic servo-driven system for precise and repeatable testing

  • Multiple test modes: constant force, constant displacement, multipoint, and cycle tests

  • High-resolution measurement: ultra-fine load and displacement resolution ensures accuracy

  • Touchscreen display: 800 × 480 pixel TFT screen shows peak value, real-time force, and force curve simultaneously

  • Customizable limits: define upper and lower values freely for automated judgment

  • Data storage & reporting: save 10 test values and 3 sets of curve tests, analyze each point, and print reports internally

  • Multiple units support: N, kgf, lbf, ozf, with automatic unit switching

  • Automatic operation: auto-return to starting point, high-speed approach, low-speed collection

  • Stable mechanics: high-precision ball screw, low-noise servo drive, and high-accuracy sensor

  • Versatile testing: suitable for springs, rubber, and other materials requiring tension/compression tests

Specifications

Parameter SDS-10 SDS-100 SDS-500 SDS-1000
Model SDS-10 SDS-100 SDS-500 SDS-1000
Capacity 10 N 100 N 500 N 1000 N
Load Resolution 0.001 N 0.01 N 0.05 N 0.1 N
Force Test Range 1% – 100% FS
Force Accuracy ±1% (for range < 10% FS)
±0.5% (for range ≥ 10% FS)
Test Speed 0.5 – 500 mm/min
Speed Accuracy ±2% (for range < 10% FS)
±1% (for range ≥ 10% FS)
Displacement Resolution 0.001 mm
Stroke 170 mm
Max Free Length for Spring 170 mm
Platen Diameter φ50 mm
Power Supply AC 220 V ±10%, 50/60 Hz
Selectable Units N, lbf, kgf, ozf
Working Temperature 20 ± 10°C
Transportation Temperature -20°C to +70°C
Operating Environment No vibration, no corrosive medium around
Machine Dimension (W × D × H) 460 × 370 × 615 mm
Weight (approx.) ≈ 79 kg

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