Manufacturer: Pyramid Precision Engineering (India) Pvt. Ltd.
Customer: Valeo Friction Materials India Pvt. Ltd.

1. INTRODUCTION

The Automated Hardness Test Rig measures the change in thickness of a friction lining material when subjected to load and temperature.
It automatically controls load, heating, timing, and displacement measurement for consistent and repeatable results.

2. SYSTEM OVERVIEW

• Structure: C-frame with heated top and bottom indenters

• Control: PLC-based panel with digital displays

• Sensors: Load cell, LVDT, and J-type thermocouples

• Loading: Pneumatic cylinders (max 3500 kg)

• Measurement: Automatic deflection and temperature display

3. SPECIFICATIONS

4. OPERATION PROCEDURE

Setup

1. Ensure main RCCB and ROTO switch are ON.

2. Set Auto/Manual mode to Manual.

3. Adjust preload and set load regulators as per requirement.

4. Switch Heater ON and allow to reach set temperature (typically 140°C).

Testing

1. Place specimen between indenters.

2. Apply preload and reset displacement gauge.

3. Switch to Auto mode, press Cycle Start (default timer: 60 sec).

4. System applies load, holds, and releases automatically.

5. Record final deflection value from display.

6. Press Release Preload, then remove the sample.

Post-Test

• Reset buzzer and Twix controller.

• Turn off heaters after use.

Contact:
📞 +91 93804 05080 ✉️ info@ppeindia.com 🌐 www.ppeindia.com