-Leak testing machine is a special purpose machine and it will be specially design and manufacture to observation and analysis of minor leaks in shock absorber tube which is Automotive Component. Now a days user observation and checking method is manual i.e. operator is visually checks tubes. Because of this there are some field concerns find in shock absorber and due to this reason they need some special machine to carry out this operation. This machine is a combination of electronics, electrical and pneumatic like PLC, SMPS, single filters, MCB's, solenoid valves, pneumatic cylinder, air FRL unit, air buster, digital pressure, switches, reed switch sensor, optical sensor, push buttons, indication lamps, digital counter, etc. Basically operating system for this machine will be as; Lock shock absorber tube by using push button i. e. cycle start then feel air in shock absorber tube for reset time. Then cut air supply now check air drop by using feedback system through digital procedure switch. If the tube is leak then the pressure will be drop and digital pressure switch gives digital input in PLC. According to PLC program logic PLC gives result output with indications either the tube is leak or not and this will insure the rejection of tube from in field.
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