Classroom Training


Gear Tribology and Associated Failures

Understand tribology of gears and associated failures to avoid disruptions to operations. Implement appropriate corrective actions using a structured approach.


Upon completion of the training, the attendants will be able to carry out the following:

  • Understand the tribological aspects of in-service gear drives
  • Explain the mechanisms of damage
  • To exchange with experts in the field




08:30 – 17:30 (GMT+8) Singapore


To have notions of metallurgy, mechanics and kinematics of the gears.

Pedagogical means:

To have notions of metallurgy, mechanics and kinematics of the gears.

Who should attend:

Engineers and technicians of Design Offices, Production and Quality departments.

Course outline:

  • Tribology & Lubrication:
    • Basic notions of tribology,
    • Friction coefficients, roughness, material, wear
    • Lubrication and lubricants,
    • Oil film, oil qualities and qualification
  • Tribology for gear applications:
    • Specific gear operation conditions
    • Some types of test apparatus used for the study of gear lubrication
    • Oil film formation, lubricant viscosity
    • Influence of lubricant on friction coefficient
    • Cooling role of the lubricant, thermal rating
    • Influence of the lubricant on gear deteriorations (micropitting, scuffing)
    • Lubrication of enclosed gear systems
  • Monitoring of gears
    • Good practice in maintenance of gear transmissions
    • Monitoring of in-service reducers and gear assemblies
    • Monitoring of gear assemblies: lubricant analysis
  • Failure analysis
    • Tribological failures of gears
    • Standards
  • Questions / answers


This course will be conducted by Mr. Robert SHANDRO, Gear Failure Analysis Expert

Robert Shandro


Mechanical Engineer - Materials & Construction. Specialized in mechanical power transmission components. A Specialist in Failure Analysis, Consulting and Technical Assistance in industries including Aerospace, Energy, Transportation, Shipbuilding and Public Works. Member of French delegation for ISO TC60 (Technical Committee) "Gears".

An expert in capacity calculation of gears, terminologies, notation, strength and quality of materials for gears.

Areas of Expertises

  • Global assessment on fixed and turning parts of mechanical systems
  • Failure analysis on power transmission components
  • Expert witness for litigation and insurance claims
  • Design and dimensioning assistance
  • Training on failure analysis
  • Standardization works.

Recent Projects

  • CGG : From failure analysis to power transmission design (gearboxes of a scientific research vessel)
  • SAFRAN : Global assessment on AGB (Accessory Gear-Box), TGB (Transfer Gear-Box) and RDS (Radial Shaft)
  • EDF-EN : Failure analysis on blade bearings and gearbox of wind turbine
  • NEXTER: Power transmission failure analysis and tests of an armoured vehicle
  • DEGREMONT: Assessment and rehabilitation of a pumping station



  • 5 years as Design Engineer (electric motors and generators)
  • 12 years as Technical Advisor (Judicial Expertise)
  • 13 years as Project Manager at CETIM
  • From year 2019 – Principal Consultant at MATCOR


Engineer – Mechanics of Structures (UPT 1986)

Engineer – Materials (ISMCM 1992)

Course Name

MTS08 Gear Tribology and Associated Failures

Course Date:



08:30 – 17:30 (GMT +8) Singapore

Closing Date:

14th July 2021, Wednesday

Course Fee:

SGD 1,200.00 (exclude GST)

Early Bird:

Registration must reach us on or before 30th June, Wednesday
SGD 1,080.00 (exclude GST)

Group Discount:

With minimum 3 participants from the same company.
SGD 1,080.00 per person (exclude GST)

Our Accounts will advise if GST is applicable. Participants shall bear all bank charges.

Registration Form

To register for the course, please complete this form.

Payment Details:

  • Registration form and course fees are to reach MATCOR before the closing date.
  • Registration will only be confirmed upon full payment.
  • Direct internet banking payment to MATCOR Technology & Services Pte Ltd, Bank: Development Bank of Singapore, Bank Code: 7171, Branch Code: 032, Swift Code: DBSSSGSG, Bank Address: 1 Kim Seng Promenade, #02-32, Great World City, Singapore 237994, Account / Iban No: 032-004152-3. / PAYNOW: UEN199201190R
  • All cheques should be made payable to “MATCOR Technology & Services Pte Ltd” and mailed to 3 Seletar Aerospace Link Singapore 797550, Or
  • Overseas participants may choose to pay in EUR or USD.
  • Participants shall bear all bank charges for payments.

For clarification or inquiries please contact Ms. Pei Shyan NG or Ms. Irene LIM at +65 67788285 or send an email to

Cancellation & Refund:

  • Any cancellation made after closing date – no refund, but delegate substitution is allowed.
  • Any cancellation made before closing date will receive full refund.
  • MATCOR reserves the right to cancel or reschedule the course, only if deemed necessary