COMPARATIVE STUDY OF MANUAL LUBRICATION AND AUTOMATIC LUBRICATION
T.Elakkiya/Asst.Prof A.Anitta/ Asst.Prof
Dept. of Electronics and instrumentation Engineering Dept. of Electronics and instrumentation Engineering
Jeppiaar Engineering College,Chennai,Tamil Nadu Jeppiaar Engineering College,Chennai,Tamil Nadu elakkiyathirumal@gmail.com dhasani253@gmail.com
ABSTRACT
Lubrication is the process or technique employed to reduce the wear of one or both surface in close proximity. Most of the bear lubrication fail due to the too much or too less grease injected using manual lubrication. So, the PLC’s can be used to overcome the shortcomings PLC is mainly used to reduce the labor cost, power consumption, complication in circuits. When the crawler moves for 20 minutes the PLC switches on the grease motor which lubricates the bearings. When the entire crawler is lubricated, the PLC commands the changeover valve to lubricate the next crawler section
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Improper lubrication scenarios include the contamination of the lubricant by replacements and repair, excess lubricant and labor for inefficient manual practice. Some of the indirect, but very real costs are downtime or lost production; product spoilage due to excess lubricant; environmental, safety or housekeeping issues; and excess energy consumption. While grease guns and manual lubrication seem to get the job done for many maintenance operations, their benefits often cannot compare to those provided byan automated lubrication system in terms of productivity, environmental issues and worker safety. An automated lubrication system helps to prevent bearing failure by providing the right amount of the right (fresh, clean) lubricant at the right time to the right
As seen in Figure 7a, the motor follows the speed set points using field oriented
Contents TASK 1 1 1.1)TYPICAL AXIS CONVENTION 1 1.2) operations of types of drives and axis control system. 4 1.3) SIX DEGREES OF FREEDOM. 8 1.4] WORK HOLDING DEVICE FOR LATHE 8 TASK 2. 12 2.1) Assess the suitability of machine tools for the production of following components 12 2.2) SEQUENCE OF OPERATIONS TO PRODUCE THE GIVEN COMPONENT 13 2.3) MACHINING AND FORMING PROCESS 13 TASK 3
The speed of DC motor can be controlled by the variable supply voltage or by changing the strength of current. Small DC motors are used in toys, tools, and appliances. Larger DC motors are used in propulsion of electric vehicles, in drives for steel rolling mills, elevator
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Although it is never actually stated in the article, Miner uses an extended
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