6 Product Lines · Static · Fatigue · Torsion · Leaf

Spring Testing Machines

AGMPL manufactures the widest range of spring testing machines in India — from compact bench-top testers to 200 kN hydraulic systems. Computerised, accurate, and backed by full after-sales support.

Full Product Range

All Spring Testing Machines

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STM Series · 50 kgf – 100,000 kgf

Computerized Spring Testing Machines

Fully computerised spring testers for automated compression, tension, and cyclic load testing. Five floor-standing models from 50 kgf to 100,000 kgf, plus tabletop STM-20 for small springs.

✓0.25% FSR accuracy
✓0.1 – 500 mm/min speed range
✓Auto load cell detection
✓PDF / Excel / CSV reporting

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TSTM Series · 1 Nm – 2,000 Nm

Torsion Spring Testing Machines

Computerised torque-angle testing of torsion springs in both clockwise and counterclockwise directions. Tabletop and floor-standing models with AC servo drive and included tTEST software.

✓±0.5% FSR torque accuracy
✓360° angle range, 0.1° resolution
✓CW & CCW testing without re-rigging
✓Reference / master curve overlay

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FTM Series · ±10 kN · up to 4 Hz

Spring Fatigue Testing Machines

Motor-cam driven fatigue systems for endurance testing of compression springs — 1 or 2 springs simultaneously, up to 4 cycles per second. Identifies crack initiation, propagation, and failure phases.

✓25 hp motor-cam drive with VFD
✓1 or 2 springs simultaneously
✓LVDT stroke measurement, 0.1 mm
✓Auto failure detection & stop

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LSTM Series · 100 kN – 200 kN

Leaf Spring Testing Systems

Closed-loop hydraulic systems for static load-deflection characterisation of multi-leaf and parabolic springs. Adjustable trolley spacing from 500 mm to 2200 mm covers light automotive to heavy commercial vehicle springs.

✓100 kN & 200 kN capacity
✓Trolley spacing 500 – 2200 mm
✓Dual load cells — full-range + precision
✓LVDT deflection, 0.1 mm resolution

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Bench-top · Portable, bench-top

Manual Spring Testers

Compact bench-top and portable spring testers for spot-checks and incoming inspection. Ideal for small production runs, tool rooms, and QC desks where a full computerised tester is not required.

✓Bench-top & hand-held options
✓No power supply required
✓Calibrated load scale
✓Low cost, fast setup

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Clutch Applications · Clutch & disc springs

Diaphragm Spring Testers

Specialised test rigs for characterising diaphragm (Belleville) springs and clutch pressure plates. Measures load vs deflection across the full snap-through range for clutch design validation and QC.