Total Testing Service for Transmission Assembly and Parts Kobelco Machinery Engineering Testing Service / Facility & Equipment

Transmissions

Efficiency, vibrations and temperature measurement to improve transmission efficiency due to tighter regulations of fuel economy and CO2 emission

Transmission Dynamo Tester

  • High-speed response and low noise level by low inertia dynamometer.
  • Transmission efficiency that has a direct link to fuel economy can be measured
  • Variable 3-axis system can support various types of function tests for FF, FR and differential gears
Test pieceAutomotive transmission for 3.5 L engine class
M1 water-cooled low inertia motor330 kW, 8,000 rpm, 525 N∙m
M2 air-cooled motor366 kW, 8,000 rpm, 3,500 N∙m
M3 air-cooled motor366 kW, 3,000 rpm, 3,500 N∙m
Speed setting accuracy±0.1% F.S.
Torque setting accuracy±0.5% F.S.

Transmission Dynamometer Tester

Testing Range – Dynamometer Performance Characteristics

Wet Clutch

Assessing friction characteristics and durability of wet clutches

Clutch Friction Tester (SAE No.2 TESTER)

  • High speed testing at a dynamic rotation speed of 10,000 rpm
  • High reproducibility of data by low friction and high accuracy measurement
  • Low inertia and low noise level by water-cooled motor
  • Supports JASO M348
    (Procedures for evaluating the friction characteristic of automatic transmission fluid used in vehicles)
  • Supports all types of wet clutches used in vehicles
Test clutch Friction plate and steel plate
Dynamic rotation speed 10,000 rpm
Static rotation speed 0.5 to 10 rpm
Moment of inertia 0.1 to 1.4 kg·m2
Sample oil flow rate 0.1 to 3 L/min
Sample oil temperature at axis core -20 to 150°C (at start of test)
Oil bath temperature Room temperature to 150°C
Low air pressure 0.059 to 0.8 MPa
High air pressure 0.8 to 1.4 MPa

Clutch Friction Tester

Low Velocity Friction Apparatus

  • High capacity of 15 kW drive power and high load capability up to 20,000 N
  • Supports oil bath and shaft center lubrication type
  • Supports low temperature environment test and low temperature fluid lubrication
  • Supports JASO M349
    (Procedures for testing the anti-judder performance of automatic transmission fluids for vehicles)
  • Support for all types of wet clutches used in vehicles
Test clutch Friction plate and steel plate
Rotation speed 1 0.5 to 500 rpm
Rotation speed 2 1 to 2,000 rpm
Drive motor capacity 15 kW
Control load 490 to 20,000 N
Sample oil temperature -40 to 150°C
Torque measurement range 250 N∙m
Sample oil temperature at axis core -20 to 150°C (at start of test)

Low Velocity Friction Apparatus

Gears

Rolling contact fatigue test and bending strength test of gears and evaluation

Gear Tester

  • Fatigue testing during the power transmission to gears with 1,000 kW using a power circulation type tester
  • Testing is available for spur gear, helical gear and planetary gear assemblies
  • Material strength and product life assessment of gears is possible using high torque loads
Between test gear axes 94.2 mm (Adjustable as needed)
Load torque on test piece ±1,000 N∙ m/±3,000 N∙m
Rotation speed of test piece 10,000 rpm/3,000 rpm
Capacity in power circulation 1,000 kW
Torque control accuracy ±1% F.S.
Sample oil temperature Room temperature to 140°C
Sample oil flow volume Max.10L/min.
Sample oil volume 20 L
Gear box Make according to test piece

Gear Tester

Testing Range

Lubricants

Assessment of extreme-pressure properties and friction characteristics of lubricants

Friction & Wear Tester

  • Tester is adjustable to four-ball, pin-on-disk and ring-on-disk test by replacing the jig
  • Basic tests to assess extreme-pressure properties of lubricants and friction characteristics of metal materials
  • Supports JIS K2519
    (Testing procedure for load carrying capacity of lubricating oil)
Test piece 3/4" steel ball
1/2" steel ball
Pin on disk
Ring on disk
Rotation speed 50 to 2,000 rpm
Load 500 to 10,000 N
Sample oil temperature Oil bath: Room temperature to 150°C
Data processing Control: Rotation speed and load
Measurement: Torque and sample oil temperature
Calculation: Coefficient of friction

Friction & Wear Tester