HI-TECH AUTO INDUSTRIES

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Presentation transcript:

HI-TECH AUTO INDUSTRIES ACTION PLAN FOR SLEEVE HI-TECH AUTO INDUSTRIES

BLOW HOLES & PIN HOLES SOURCE:- P.M.C Piston & rings Ltd. Cause:- In preparation of material no Magnesium was added which resulted in blow Holes 2. Lack of inoclin Chemical resulted in Pin Holes. 17 February 2019

Corrective Action ACTION TAKEN:- Magnesium and Inoclin was added to prevent Blow Holes and Pin Holes 17 February 2019

Source New source has been developed that is MEGA HEAT CAST (P) LTD. In Mohali and in house (A.V Valves Ltd.) Production has been started to meet Target of HSPP.

A.V Valves Ltd. Carbon & silicon determinate and carbon equalizer Metallurgical microscope with 100x, 200x, 500x, Magnification. Micro polishing machine Ferrolab for bath analysis of %carbon, %silicon & carbon equivalent. Sieve analysis apparatus Universal sand testing machine with accessories Muffle furnace upto 1000c temp. controller Sand testing instrument (complete set) Spectro

LIST OF EQUIPMENTS & MACHINERY INSTALLED IN THE PLANT MEGA HEAT CAST (P) Ltd. LIST OF EQUIPMENTS & MACHINERY INSTALLED IN THE PLANT MELTING FURNANCE Medium frequency furnace 350KW, 500kgs cap. With spare cruible Overhead electric crane 2 metric tone capacity

MOULDING DEPARTMENT WHPL level-I (2Nos.) WHPL level-II (2Nos.) DT-3 Darpa(2 Nos.) Track for Pallet Car using rail (43 mtrs) Electrically Operated Transfer car with AC Drive, gear box, metallic cable drag chain and special duty trailing cable. Drive:- 1 HP (2Nos.) Track for Pallet transfer Car using rail (8 mtrs) Bi rail trolley for box handling near molding machine and box closing. (3 Nos.) Bi rail span : 1000mm.

Electric chain hoist with trolley for box handling above molding machine. Hoist Cap. 250 kgs. (3 Nos.) Electric chain hoist with trolley for box handling above knockout. Hoist Cap.: 500kgs(1 No.) Hydraulic Line Pullers with fixed frame, travelling guide, guide rollers etc. (2 Nos.) Hydraulic Power Pack for line puller with hydraulic piping, fittings. (1 No.) Drive : 3 HP Electrical control panel with PLC Siemens make for mould handling line complete with sensors. (1 No.)

METALLURGICAL LAB Carbon & silicon determinate and carbon equalizer Metallurgical microscope with 100x, 200x, 500x, Magnification. Micro polishing machine Ferrolab for bath analysis of %carbon, %silicon & carbon equivalent. Sieve analysis apparatus Universal sand testing machine with accessories Muffle furnace upto 1000c temp. controller Sand testing instrument (complete set)

CASTING PROCESS Burada Material Used 50% C.R.C Sheet 20% Burada 50% C.R.C Sheet 20% Solid Scrap Return/Rejection 10% 17 February 2019

Temperature Melting Temp. 1384-1420˚ Pouring Temp. 1405 ˚ Pouring Time:- 10-15 Mins

Q.A:- Microstructure Test A+B type Hardness 180-210BHN Carbon Equilant C-3.0 to 3.3 Si- 1.90 to 2.10 Visual Inspection Look For Cold Shut Look For Shrinkage

SHORT BLASTING Shots Used Shots Type Steel Shots Shots Size 6.80 Visual Inspection Look For any Casting Defects No blow holes No Sand No Surface damage No Skrinkage 17 February 2019

Grinder Used on surface A Patta grinder Fettling And Grining Types Of Grinder Grinder Used on surface A Patta grinder Grinder used on surface B St. Grinder 17 February 2019

SAND PREPATION PROCESS Material Used Sand Grade/Company Allahabad Brand Grain Structure Chemical Used Bentonite 6kgs/300kgs Coal Dust 3kgs/300kgs 17 February 2019

Q.A Moisture 4.5-5.80% G.C.S kg/Cm2 0.75-0.98Kg/cm2 Compatibility 38-48 Permeability 65-95 Mould Hardness 75-90