Automotive & Motorcycle Control Cable (Flexible Shaft) Efficiency Tester，Motorcycle and car cable efficiency testing rig

The Automotive & Motorcycle Control Cable (Flexible Shaft) Efficiency Tester is designed to measure the load and displacement efficiency of automotive and motorcycle control cable assemblies under specified working conditions. By applying controlled push-pull forces to both ends of the cable and synchronously collecting force and displacement data, it quantitatively evaluates the transmission efficiency for various routing configurations and working strokes, providing reliable data for design verification, type testing, and quality inspection.

Application

This tester is applicable for efficiency testing of various vehicle control cables and flexible shafts, including:

(1) Automotive throttle cable efficiency testing

(2) Automotive clutch cable efficiency testing

(3) Automotive gear shift cable efficiency testing

(4) Automotive brake and parking brake cable efficiency testing

(5) Motorcycle throttle, clutch, and brake cable efficiency testing

(6) Bowden cables and flexible shaft transmission efficiency testing

(7) Control cables for electric vehicles, light vehicles, and specialty vehicles

(8) R&D, type testing, and mass production quality inspection of control cables

Standards

(1) Q/CT 29101-92 — Automotive Cable Assemblies

(2) QC/T 29101-2014 (Reference) — Automotive Control Cable Assemblies

(3) Q/SQR.04.828-2007 — Automotive Control Cable Efficiency Test Method

(4) Q/SQR.04.285 — Automotive Control Cable Performance Test Specification

(5) Q/SQR.04.405-2006 — Motorcycle Control Cable Assemblies Test Method

(6) Q/SQR.04.821-2007 — Automotive & Motorcycle Flexible Shaft and Cable Performance Test Specification

Parameters

Item	Technical Specification
Maximum Pull Force (Tension End)	5000 N
Maximum Push/Pull Force (Fixed End)	5000 N
Maximum Stroke	100 mm
Push/Pull Speed	1–100 mm/min, steplessly adjustable
Displacement Sensor Accuracy	±1%
Displacement Display Accuracy	±1%
Load Measurement	Force sensors
Displacement Measurement	High-precision displacement sensors
Display	Real-time force, displacement, and efficiency
Curve Display	Force–Force, Displacement–Time curves
Print Function	Test data and curves output

Features

(1) Dual-end synchronous measurement — Measures force and displacement at both tension and fixed ends for accurate efficiency calculation.

(2) Multiple routing simulation — Curve forming mechanism supports S-shape, U-shape, and other cable layouts to mimic real vehicle installations.

(3) Real-time efficiency display — Shows load and displacement efficiency and variation, enabling quick assessment of cable performance.

(4) Adaptive clamping structure — T-shaped sliding guide accommodates cables of different lengths and structural types.

(5) Stable low-speed loading — Stepless adjustable push/pull speed to meet standards’ loading rate requirements.

(6) Traceable data — Supports curve display and printing for quality records, analysis, and archiving.

Accessories

Name	Description
Cable-specific fixtures	Secure cable ends
T-shaped guide plate	Cable installation and routing
Curve forming mechanism	S-shape or U-shape routing simulation
Force sensors	Measure tension and fixed end load
Displacement sensors	Measure stroke and displacement
Print paper	Output for test data and curves
Fasteners	For fixing specimens

Test Procedures

(1) Install the cable specimen according to the selected layout (straight, S-shape, or U-shape) per the applicable standard.

(2) Securely clamp both ends using the appropriate fixtures to prevent slippage.

(3) Set push/pull speed according to the relevant standard or company specification.

(4) Start the test; the system applies controlled push-pull forces while measuring force and displacement at both ends.

(5) Monitor the test to ensure smooth loading and consistent data collection.

(6) Upon completion of the specified stroke or cycle, stop the test.

(7) Record data, generate force–force and displacement–time curves, and calculate load and displacement efficiency.

Maintenance Information

(1) Regularly check the clamping fixtures, T-guides, and curve forming mechanisms for wear or loosening.

(2) Keep moving parts clean and lubricated.

(3) Periodically verify the calibration and accuracy of force and displacement sensors.

(4) Replace consumables such as print paper as needed.

(5) Ensure the control system and power supply are functioning properly.

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