Project report for Piston Ring Manufacturing


Introduction

The piston ring is one of the most important parts of the Deisel/Petrol engines. It is an open-ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The principal function of the piston rings is to form a seal between the combustion chamber and the crankcase of the engine.  The goal is to prevent combustion gases from passing into the crankcase and oil from passing into the combustion chamber The three main functions of piston rings in reciprocating engines are: 1.    Sealing the ...


Product / Services & process

Piston rings are generally made up of cast iron. The blanks of cast rings of required size and desired properties are procured from the local foundries. After that blanks are cleaned and get ground. Then the blanks are undergone through various processes like facing, rough diameter, rough bore, finish diameter & finish bore. The rings are generally machined to the required shape by means of  turning, a process in which the ring blank, already axially ground, is copy turned on the inside and outside diameters. After a segment equivalent to the free gap is cut from the ring it assumes the ...


Raw materials / Consumables

The materials used to make Piston Rings are one of the most critical factors in its performance.Listed below are some of today's common material used in manufacturing of piston rings and metallic seals:    Cast iron     Cast iron alloyed for piston rings     Nodular cast iron alloyed for piston rings     Bronze     Aluminum Bronze     Phosphor Bronze     Steel     Stainless Steels for use in high temperature


Quality & Pollution Control

QUALITY CONTROL The procured blanks castings should be checked very carefully as per given requirement (size,grade etc). This is the very first step in quality control.The product should be monitored after completion of each stage so that chance of rejection at the end is eleminated. Piston rings should be manufactured as per IS : 5791-1971 & IS: 8422 for IC engines.The entire operation of surface treatment/ coating should be closely controlled. For the inspection process proper callibarated gauges should be used.POLLUTION CONTROL As this unit doesnot comes under heavy polluted ...


Plant & Machinery / Equipments

  Sl no Machinename Qty 1 Lathe machine,1800 mm bed with 3 H.P motor    2 2 Lathe machine,900 mm bed with 2 H.P motor 1 3 Face grinder with special attachment, 4 H.P motor 1 4 Bench drill machine.12mm capacity 1 5 Bench grinder,250mm wheel dia,1H.P motor 1 6 Gauges,tools & other equipments LS ...


Market potential & Strategy

Piston ring is the one of the most replaceble part of the diesel/petrol engines.It has great demand in the replaceble market as well as in new engines market.For the last few years there is noticeble increase in the automobile industry, which is the vast market for it. Piston rings are not only used in the automobile industry but also used in : •    Railway Engines •    Compressors •    Steam Hammers •    Cars •    Retaining Rings •    Pumps •    Industrial Applications •    Cranes •    Gearboxes So, by maintaining quality  and using proper marketting techniques there is alwayes a ...


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