ITI Technician Mechatronics (AITT Theory) case studies
ITI Technician Mechatronics (AITT Theory) · Put your knowledge to work in context.
The ITI Technician Mechatronics (AITT Theory) is the theory paper sat under the All India Trade Test, the national trade certification route for ITI trainees in India, administered through NCVT. It is aimed at trainees and apprentices who have completed or are completing the Mechatronics Technician trade and need to demonstrate a working command of the trade's underpinning knowledge. The ITI Technician Mechatronics (AITT Theory) case studies are 5 cases and about 3,032 words.
1Intermittent Overload Trip on a Conveyor Gearmotor
A 7.5 kW, 400 V, 50 Hz conveyor gearmotor drives a bulk bag unloader for 10 hours per day. The motor nameplate full-load current is 15.2 A at 400 V.
624 words, about 3 min2Pneumatic Pick-and-Place Pressure Droop
A pick-and-place station uses a double-acting pneumatic cylinder with 50 mm bore, 20 mm rod diameter and 250 mm stroke. It extends and retracts 12 times per minute at 6.0 bar gauge; the compressor delivers 250 L/min free air delivery (FAD) and the receiver is 100 L.
626 words, about 3 min3Photoeye Counting Error on a Sorting Conveyor
A sorting conveyor uses a 24 V DC diffuse photoelectric sensor to detect 80 mm tall cartons. The sensor has a PNP (sourcing) output and a response time of 1 ms.
628 words, about 3 min4Thermal Correction of a 40 H7/g6 Fit
A batch of 40 mm nominal steel shafts and bores is machined and measured on the shop floor at 34 °C. The drawing calls for a 40 H7/g6 fit: hole H7 = +0.025/0 mm, shaft g6 = −0.009/−0.025 mm.
567 words, about 3 min5Safety Laser Scanner Protective Distance
A robot cell uses a horizontal safety laser scanner to protect the approach to a 6-axis robot. The scanner has a response time of 60 ms, the safety relay adds 20 ms, and the robot's worst-case stopping time is 250 ms.
587 words, about 3 min