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A PRESENTATION ON TRACTOR MANUFACTURING AT H.M.T. LTD. PINJORE By:- PANKAJ KUMAR Roll no. 6309342:

A PRESENTATION ON TRACTOR MANUFACTURING AT H.M.T. LTD. PINJORE By:- PANKAJ KUMAR Roll no. 6309342

INTRODUCTION TO H.M.T.:

INTRODUCTION TO H.M.T.

ABOUT HMT:

ABOUT HMT 1.HMT was first incorporated by the Government of India in 1953 as the first machine tool manufacture in the country to supply machine tools for the Indian manufacture industries . 2.The second unit was setup in Bangalore in 1959 making use of company’s own . 3.The third unit was setup in 1963 at PINJORE to produce Milling machine.

HMT PRODUCTS:

HMT PRODUCTS

PINJORE UNIT:

PINJORE UNIT

PATTERN SHOP:

PATTERN SHOP Pattern is the object we have to produced for casting process. Pattern shop is concerned with construction of patterns. The most commonly used pattern material in this industry are:- Metal ( e.g. aluminium, cast iron, bronze etc) Thermocol Wood

FOUNDRY SHOP:

FOUNDRY SHOP There is well-equipped and modernized foundry running in HMT. There are 3  electric furnaces working in the foundry. All the requirements of tractor division and machine tool division are fulfilled by this foundry. Casting is the final product of the foundry. Liquid metal is poured into mould and the molten metal takes the shape of the cavity.

HEAT TREATMENT:

HEAT TREATMENT Heat treatment is an operation of heating and cooling of metals in the solid state of  induce certain desired properties into them and improve their properties mainly to change their internal properties.

Classification of heat treatment.:

Classification of heat treatment. Hardening Tempering Carburizing Annealing Case Hardening Shot Blasting

Advantages of heat treatment::

Advantages of heat treatment: Avoid crack in materials. Increase strength, hardness, toughness. Increase wear resistance capacity of materials. Improves machinability. Surface finish improve. Reduce internal stresses.

MACHINE SHOPS :

MACHINE SHOPS Light Machine Shop Heavy Machine Shop

LIGHT MACHINE SHOP :

LIGHT MACHINE SHOP As the name shows, all the light parts of tractors such as differential housing, power take off shafts, splined shafts, gears, rear wheel driving hubs, portal shafts, main transmission shafts etc. are machined here.

GEAR SECTION:

GEAR SECTION

HEAVY MACHINE SHOP:

HEAVY MACHINE SHOP In this section, all the heavy parts of the tractor are machined. Gearbox housing, main transmission housing, front cover, hydraulic lift, etc. are machined here.

MAIN COMPONENT OF TRACTOR ENGINE:

MAIN COMPONENT OF TRACTOR ENGINE CRANK CASE CYLINDER PISTON CONNECTING ROD CRANK SHAFT CAM SHAFT FLY WHEEL

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CRANK CASE It is made of cast iron. Other parts of the engine are directly or indirectly attached to it. It is equipped with holes, by which the engine may be firmly anchored to its foundation.

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CYLINDER Cylinders are made of high-grade grey cast iron. It act as combustion chamber for the engine.

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PISTON & CONNECTING ROD Piston of an engine move back and forth in the cylinder owing to the explosion of the fuel mixture. Piston is surrounded by piston rings which prevent the friction losses. Connecting rod connects the piston and crank shaft.

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ENGINE ASSEMBLY

ENGINE TESTING :

ENGINE TESTING After assembly, engine is brought to engine testing section. In this section practical checking of engine is done on engine and water supply is connected to it, then the engine is started with the external DC supply. After this, the proper operating of valves is done, the engine is kept running for two hrs. During running the load is also varied and various properties like lubricating oil pressure, load capacity, fuel consumption etc is checked.

TRACTOR ASSEMBLY & INSPECTION :

TRACTOR ASSEMBLY & INSPECTION Gear box sub assembly Main transmission sub assembly Portal sub assembly Rear axle sub assembly Front axle sub assembly

VARIOUS MODELS OF HMT TRACTORS:

VARIOUS MODELS OF HMT TRACTORS HMT 2522 HMT 3522 HMT 4022 HMT 4922 HMT 5022 HMT 6522 HMT 7511

THANK YOU:

THANK YOU

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