STANDARD TEST – FOUR BALL

FeaturesTouch screen PC for data logging and control of speed and temperatureLow and high load

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Email:info@qinsun-lab.com

Nội dung

Features

Touch screen PC for data logging and control of speed and temperature

Low and high load range pneumatic cylinders

Precision regulator for manual control of load

Air bearing mounted load and friction assembly

Standard Tests

ASTM D2266 Wear Preventive Characteristics of Lubricating Greases

ASTM D4172 Wear Preventive Characteristics of Lubricating Fluid

ASTM D2596 Extreme Pressure Properties of Lubricating Greases

ASTM D2783 Extreme Pressure Properties of Lubricating Fluid

ASTM D5183 Standard Test Method for Determination of the Coefficient of Friction of Lubricants Using the Four-Ball Wear Test Machine

IP 239 Extreme Pressure Properties: Friction and Wear Test for Lubricants

DIN 51350/1-4 Testing Lubricants: Testing in the Shell Four-Ball Tester

ISO/CD 11008 Petroleum Products and Lubricants – Determination of Extreme Pressure Properties of Lubricating Greases – Four Ball Method

Technical Specifications

Size of Test Balls:	12.7 mm (0.5″) diameter
Load Range:	10 to 8.000 N
Loading Method:	Pneumatic
Load Ranges:	20 to 750 N (@ 6 bar air pressure)
	50 to 8.000 N (@ 4 bar air pressure)
Load Measurement:	Pressure transducer
Load Control:	Precision pressure regulator
Friction Measurement:	Strain gauge transducer
Torque Reaction Mounting:	Air bearing
Rotational Speed:	60 to 1.800 rpm
Temperature Range:	Ambient to 200°C
Temperature Sensor:	k-type thermocouple
Motor:	1.5 kW a.c. vector motor
Control & Data Acquisition:	Touch-screen PC & Interface
Data Export:	USB Stick

Pre-programmed Test Sequences

ASTM D2266 Wear Preventive Characteristics of Lubricating Greases
ASTM D4172 Wear Preventive Characteristics of Lubricating Fluid
ASTM D2596 Extreme Pressure Properties of Lubricating Greases
ASTM D2783 Extreme Pressure Properties of Lubricating Fluid
IP 239 Extreme Pressure Properties: Friction and Wear Test for Lubricants
DIN 51350/1-5 Testing Lubricants: Testing in the Shell Four-Ball Tester

Automatically Controlled Parameters	Rotational Speed
	Temperature
	Test Duration

Manually Controlled Parameters	Load

Measured Parameters	Rotational Speed
	Load
	Friction Torque
	Temperature
	Test Duration
	Friction Coefficient

Services
Electricity:	220/240V, single phase, 50/60 Hz, 3.0 kW
Clean, dry air:	4 cfm at 8 bar (120 psi)

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