Bus Seat Tester,Vehicle seat test equipment

The Bus Seat Tester is designed to evaluate the durability, strength, and fatigue performance of bus seating systems in compliance with FMVSS 222 and NHTSA S5.1.3 / S5.1.4 standards.

Function and Application

It can be mounted directly to the customer’s existing bedplate or supplied with a dedicated base. All mechanical functions are fully electric, eliminating hydraulic systems, for precise, repeatable testing.

The system is ideal for manufacturers, quality control, and safety compliance laboratories, providing both static and dynamic load testing in tension and compression to simulate real-world usage and safety conditions.

Applicable Test Standards

NHTSA S5.1.3 – Seat Structural Strength Testing

NHTSA S5.1.4 – Seat Attachment Strength Testing

FMVSS 222 – School Bus Seating and Crash Protection Standards

OEM / Internal Durability Specifications – Configurable for specific test requirements

Technical Specifications

Item	Specification
Mechanical Drive	Fully electric, no hydraulic components
Shafting	2½ inch (63.5 mm) diameter solid steel for linear adjustments and rigidity
Beam Adjustment	Upper and lower beams manually adjustable in height via crank handles
Motion Control	Extend/retract variable speed, programmable through software
Control System	PC-based Visual Basic software running on Windows environment
Data Acquisition	Load and position data recorded and plotted automatically for each ram
Data Output	Graphical results printable on inkjet printer in console; exportable to PC formats
Setup & Operation	Simple, intuitive interface; minimal training required for PC-literate operators
Power Requirements	220–240 V.A.C., single phase (typical)
Test Capabilities	Static and dynamic tension/compression tests; destructive and non-destructive options
Mounting	Can attach to customer’s existing bedplate or supplied with optional bedplate

Features and Advantages

Electric-Only Design: Eliminates hydraulic systems for cleaner, more precise operation and reduced maintenance.

High Rigidity Construction: Solid steel shafting ensures minimal deflection during testing.

Adjustable Beams: Manual height adjustment allows flexible accommodation of different seat configurations.

Programmable Motion & Speed: Variable extension/retraction rates via user-friendly PC software.

Integrated Data Acquisition: Automatic plotting and recording of load and position for each test cycle.

Printable & Exportable Results: Graphs can be printed or saved for reporting and analysis.

Simple Setup & Operation: Intuitive software designed for users familiar with standard Windows PC environment.

Versatile Testing: Supports both static and dynamic load applications, including destructive testing scenarios.

Test Procedures

(1) Install and secure the bus seat on the bedplate according to the applicable standard.

(2) Calibrate load and displacement sensors.

(3) Set loading direction, speed, stroke, and target load in the control software.

(4) Start the test and apply load automatically according to the programmed sequence.

(5) The system stops automatically upon reaching specified conditions or structural failure.

(6) Inspect and document seat deformation and failure mode.

(7) Export and archive test data and load–displacement curves.

Maintenance Information

(1) Periodically inspect electric actuators and mechanical connections.

(2) Verify sensor calibration at regular intervals.

(3) Keep guide shafts and mechanical interfaces clean.

(4) Check electrical connections and software operation status.

(5) Store the equipment in a dry laboratory environment.

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