SRV High-Frequency Reciprocating Friction and Wear Tester

SRV High-Frequency Reciprocating Friction and Wear Tester is a fully automated, computer-controlled tribological testing system designed to evaluate friction and wear behavior of lubricants, lubricating oils, greases, solid films, and additives under linear oscillatory motion. The tester operates in accordance with major ASTM, DIN, and ISO standards and supports both standardized and customized test methods, making it suitable for routine testing, research applications, and future petroleum product standard development.

Application

Lubricant Friction and Wear Evaluation

Measurement of friction coefficient, wear scar formation, and extreme pressure behavior of lubricating oils, greases, and additives under high-frequency linear oscillation.

Grease Extreme Pressure (EP) Performance Testing

Assessment of grease load-carrying capacity and anti-wear performance in accordance with standardized SRV test methods.

Solid Film and Coating Evaluation

Determination of extreme pressure and wear resistance characteristics of bonded solid lubricant films.

Plastic and Component Tribology Testing

Evaluation of friction and wear behavior of lubricated plastic components, such as suspension joints and sliding interfaces.

Research and Quality Control

Applied in lubricant formulation development, performance comparison, and quality assurance in laboratories, research institutes, and industrial environments.

Standards

(ASTM D5706) Determination of Extreme Pressure Properties of Lubricating Greases

(SH/T 0784) Lubricating Grease Extreme Pressure Test Method (High-Frequency Linear Oscillation Method)

(ISO 19291) Lubricants — Determination of Tribological Quantities for Lubricating Oils and Greases Using a Translating Oscillation Apparatus

(ASTM D5707) Measurement of Friction and Wear Properties of Lubricating Grease Using an SRV Test Machine

(ASTM D6425) Measurement of Friction and Wear Properties of Extreme Pressure Lubricating Oils Using an SRV Test Machine

(ASTM D7217) Determination of Extreme Pressure Properties of Solid Bonded Films Using an SRV Test Machine

(ASTM D7420) Determination of Mechanical Performance of Grease-Lubricated Plastic Socket Suspension Joints Using an SRV Test Machine

(ASTM D7421) Determination of Extreme Pressure Properties of Lubricating Oils Using an SRV Test Machine

(ASTM D7594) Determination of Fretting Wear Resistance of Greases at High Hertzian Contact Pressure Using an SRV Test Machine

(DIN 51834-1) Tribological Testing in Translatory Oscillating Systems — General Working Principles

(DIN 51834-2) Measurement of Friction and Wear of EP Lubricating Oils

(DIN 51834-3) Determination of Friction Behavior of Materials and Lubricants

(DIN 51834-4) Tribological Testing of Gear Oils and Hydraulic Oils

(DIN 51834-5) Standardized Projects for Automotive Applications

(DIN 51834-6) Measurement of Friction and Wear of Lubricating Greases

(DIN 51834-7) Determination of Extreme Pressure Properties of Lubricating Greases

(DIN 51834-8) Tribological Testing of Bonded Solid Lubricant Films

(DIN 51834-9) Evaluation of Lubricating Greases in Plastic Materials

Parameters

Parameter	Specification
Stroke	10 µm–2.8 mm / 0.1 mm–5 mm
Frequency	300 / 500 Hz
Friction Force Detection	High-resolution piezoelectric sensor
Drive System	Electromagnetic voice-coil actuator
Temperature Range	Room temperature to 350 °C (optional −40 °C and up to 800 °C)
Maximum Load	Up to 3000 N

Features

Real-time load control with stable force application

Electromagnetic voice-coil actuator for precise linear reciprocating motion

High-precision stroke control with nanometer-level resolution

Wide-range environmental chamber with closed-loop temperature control

Flexure-based design to eliminate rolling and bearing friction

Piezoelectric ceramic sensor with ultra-low noise amplification for real-time friction measurement

Support for additional online sensors, including acoustic emission and electrical contact resistance

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