GENERAL TYRES

GROUP MEMBERS:

ARSALAN SOHAIL 19643

ZARIQ AHMED 19641

INSTRUCTOR: Sheraz Mohani

GENERAL TYRES

RAW MATERIALS

MANUFACTURING PROCESS

PACKING

PLAN OF PRESENTATION

GENERAL TYRES

• The General Tyres is the largest tyre manufacturer in the country producing tyres .

• Initial production capacity around 2,000,000 tyres per annum.

RAW MATERIALS

• Natural rubber

• Synthetic rubber

• Carbon

MANUFACTURING PROCESS

• Banbury Blending

• Milling

• Extruding and Calendering

• Component and Assembly

• Curing

• Finishing and Inspection

BANBURY BLENDING

• In this process natural rubber and synthetic is blended with some specific chemicals to create a homogenous rubber material.

MILLING

• In this process shaping of the rubber takes place as the rubber sheet comes out from the banbury mixer is not that perfect.

EXTRUDING AND CALENDERING

• Extruding is a very important step as it converts the thick and heavy rubber sheets into thin rubber sheets.

• Many of the components are made by this process such as Thread .

• Calendering is the process similar to sandwiching as it sandwich the thin and sharp steel wire between the two thin layer of rubber sheet.

• This process produces the steel belt which is required in the radial car tyres.

COMPONENT AND ASSEMBLY

• At this stage all the tyre components are assembled together to make a “Green Tyre” with the help of assembling machine

CURING

• This is the process where the Green tyre is cured in a Dom shape machine having mould in its inside part at both upper and lower end.

FINISHING AND INSPECTION

• Inspection is the last stage or process of tyremanufacturing which is very important.

• It includes 2 types of inspection:-

1. Manual inspection

2. Weight balancing

PACKING

• After inspection the automatic wrapping machine wrap the in an efficient way to protect it from sunlight, dust and other foreign materials