Machine Maintenance (2020-Syllabus)

Description

Machine Maintenance (2020-Syllabus)

• 12.1 Understanding of Maintenance and its objectives, types of maintenance-Preventive Maintenance, Breakdown Maintenance, Predictive Maintenance, Schedule Maintenance and Maintenance Planning. 
• 12.2 Knowledge of Factors to be considered for Installation, Erection and Commissioning of Plastics Processing & Testing Machinery – methods of Alignments and Leveling. 
• 12.3 Knowledge of Mechanical Parts like Screw, Barrel, Parts of Screw , clearance between screw and barrel, Non return valve, Thrust Bearing Unit, Gear Boxes, Calendar roll, Mill roll – platens flatness measurements, Platen parallelism measurement, 
• 12.4 Understanding of maintenance and lubrication of moving parts– Transmission system i.e. Gears, V-belts, Chains. 
• 12.5 Knowledge of Hydraulics Equipments like Valves, Valve sequences, Pressure control valves, metering and flow control valves, directional control valves 
• 12.6 Knowledge of Gear motors- Hydraulic actuatorsservo motors 
• 12.7 Knowledge of Hydraulic symbols, industrial hydraulic circuits-Hydraulic Circuits for injection moulding machine 12.8 Knowledge of strainers-heat exchangerhydraulic air venting valve-Heat exchangers, 
• 12.9 Knowledge of filters, Compressors, Oil seals, O – Rings – Central Lubrication System , Oil quality monitoring, filtration 
• 12.10 Knowledge of Principles of displacement pumpsPositive and variable displacement pumps 
• 12.11 Knowledge of Fundamentals of pneumatic pumps, Characteristics of air, Air generation and distribution, Pneumatic Valves, Actuators and output devices, pneumatic elements, power components & Pneumatic Systems, 12.12 Knowledge of Symbols and descriptions of components, Safety requirements for pneumatic systems, Trouble shooting of pneumatic systems malfunctions and Maintenance 
• 12.13 Knowledge of repair and maintenance of the electrical equipments – Electrical induction motors, Variable Speed Motors, their characteristics and speed control, motor startersDOL and star delta, Drives-safety rules. 
• 12.14 Knowledge of PLC based systems, Knowledge of Circuit Breakers (Air Circuit Breakers and Miniature Circuit Breakers), and circuits, PLC system used in plastics processing & Testing Machineries 
• 12.15 Knowledge of Limit Switches & Timers, Relays, Heaters-types, 
• 12.16 Knowledge of Measurement of temperature, Temperature Controllers, on-off, PID type and Thermocouples, Heaters (mica and ceramic type) 
• 12.17 Knowledge of study of safety rules and regulations hot runner systems, hot sprue, Manifold etc. 
• 12.18 Knowledge of Electrical controls devices – Protective devices-Relays (EMR and SSR), merits and demerit and switches, single and three phase supply, AC & DC supply