Bids Are Invited For Wrk-Pkg-603-604-Con-Pro - Execution Of Work Packages Within The Premises Of M / S Hindustan Aeronautics Limited, Sukhoi Engine Division – Koraput, Utilizing Raw Material, Machines And Other Software / Hardwares Of M / S Hindustan Aeronautics Limited, Sukhoi Engine Division – Koraput, 1. Ion-Nitriding: Ion-Nitriding Is A Surface Hardening Process, Carried Out In Plasma State By Using Hydrogen And Nitrogen Gas Through Generators. It Is Generally Carried Out On Gears, Shafts, Casing Etc. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 2. Chrome Alitizing: It Is A Pack Alitizing Process, In Which Powder Mixtures Are Filled Inside The Component And Subjected To Diffusion Annealing In Vacuum / Argon Medium. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 3. Carburising: Carburizing Is A Surface Hardening Operation Carried Out To Improve The Wear Resistance Of The Components. It Is Carried Out On Gear, Shaft And Other Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 4. Vacuum Annealing Of Hpc & Lpc Drum: Process Is Carried Out In Controlled Atmosphere With Multiple Stages Of Heating And Cooling Cycle. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 5. Cord Manufacturing ( E.G.: Bkha, Bkпη-5 ) : In This Process, Cords Are Extruded From The Mixture ( In The Form Of Dough ) In A Hydraulic Press. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 6. Powder Metallurgy Inserts Manufacturing: In This Process, Pressing Of Powder Mixtures Are Carried Out In A Hydraulic Press And Subsequent, Sintering Is Carried Out In Vacuum Furnace. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 7. Chrome Plating: Chrome Plating Is An Electroplating Process Carried Out On Components To Enhance Corrosion Resistance, Surface Hardness, Wear Resistance And Thickness Build-Up. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 8. Chemical Nickel Plating: Nickel Plating Is An Electroplating Process Carried Out On Components To Build Up Thickness On Steel & Titanium Parts. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness, Micro Hardness Test And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 9. Impulse Anodising: It Is A Conversion Process Carried Out On Titanium Alloys To Enhance Corrosion Resistance. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 10. Annealing: Annealing Is A Heat Treatment Process Carried Out To Remove Internal Stresses And To Get The Required Properties In The Components. It Is Carried Out In Air / Vacuum Medium By Using Chamber Furnace / Pit Furnace / Vacuum Furnace. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 11. Normalizing: Normalizing Is A Heat Treatment Process Carried Out In Chamber Furnace / Pit Furnace To Get The Desired Properties In The Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 12. Hardening: Hardening Is A Heat Treatment Process Carried Out In Chamber Furnace Followed By Oil / Water Cooling To Achieve The Desired Properties In The Material. Hardening Is Followed By Tempering To Remove The Stress Developed During Hardening. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 13. Tempering: Tempering Is A Heat Treatment Process Carried Out In Chamber Furnace / Pit Furnace / Vacuum Furnace Followed By Air / Oil / Water / Vacuum Cooling To Remove The Stress Developed During Hardening In The Material. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 14. Solutionising: Solutionising Is A Heat Treatment Process Carried Out In Chamber Furnace / Vacuum Furnace Followed By Air / Oil / Water / Vacuum Cooling To Get The Desirable Properties Of Further Machining / Cold Working. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 15. Homogenizing: Homogenizing Is A Heat Treatment Process Carried Out In Chamber Furnace / Vacuum Furnace Followed By Water / Vacuum Cooling To Get The Desirable Properties. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 16. Age Hardening / Ageing: Age-Hardening Is A Heat Treatment Process Carried Out In Chamber Furnace / Vacuum Furnace For Prolonged Duration, Followed By Air / Vacuum Cooling To Get The Required Properties In The Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 17. Nitriding: Nitriding Is A Surface Hardening Process By Using Ammonia Gas. The Process Is Carried Out In Chamber / Pit Type Furnace By Assembling The Components In Suitable Muffle / Fixture And Passing The Ammonia Gas. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 18. Pack Alitizing: Pack Alitizing Is A Diffusion Based Aluminizing Process In Which The Components Are Packed In Sintered Ferro-Aluminum Powder At Suitable Temperature To Impart A Diffusion Layer On The Surface Of The Component To Enhance Its Hot Corrosion Resistance. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 19. Paint Alitizing ( Aluminizing & Silico-Aluminizing ) : Paint Alitizing Is A Painting Process Followed By Vacuum Heat Treatment ( Diffusion Annealing ) .It Is Carried Out To Increase The Hot Corrosion Resistance Of The Material. In This Process, Paint Is Applied On The Required Surface By Brush / Spray Method And Subsequent Diffusion Annealing Is Carried Out In Vacuum / Argon Medium. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 20. Alphatising: Alphatising Is A Controlled Oxidation Saturation Process, Carried Out On Titanium Alloys In Vacuum Furnace To Impart An Oxide Layer Of Titanium On Finished Components For Achieving Surface Hardness, Which Improves The Wear Resistance Of The Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 21. Drying / De-Hydrogenation: Drying Is A Process In Which Component Is Heated In Oven Generally At An Elevated Temperature To Remove The Moisture From The Components In Heat Treatment And Electroplating Operations. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 22. Salt Bath Hardening & Tempering: Salt Bath Ht Operation Is Carried Out In Salt Bath Furnace To Avoid Oxidation And Warpage In Components. Normally, Hardening And Tempering Operations Are Carried Out In Salt Bath Furnace For Small Parts, Spring And Other Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 23. Cold Treatment: Cold Treatment Is The Sub-Zero Treatment Of A Component Done At Negative Temperature ( -70° C ) .The Process Is Carried Out In Deep Freezer. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 24. Masking: Masking Is Done Using Different Types Of Tapes Before / After In Different Stages Of Heat Treatment And Electroplating Operations As Per The Technological Requirement. Operations Are To Be Carried Out As Per Technology. 25. Grinding: Grinding Operation Is Carried Out For Checking Of Hardness On The Components. Depth Of Grinding Varies From Component To Component As Per Requirement. Grinding May Be Done By Emery Polishing, Pneumatic Gun And Grinding Machine. Operations Are To Be Carried Out As Per Technology. 26. Washing ( Hot Water, Petrol & Acetone ) : Washing Operation Is Carried Out Either Before Ht Or After Ht. It May Be Cleaning Of Components, Specimens And Fixtures With Acetone, Petrol, Compressed Air Etc. It Is Also Carried Out After Hardening Or Tempering Operation In Salt Bath Furnace. Operations Are To Be Carried Out As Per Technology. 27. Straightening: Straightening Operation Is Carried Out For Correction Of Warpage After Heat Treatment. It Is Carried Out In Raw Material, Semi-Finished And Finished Components By Using Hydraulic Press. Operations Are To Be Carried Out As Per Technology. 28. Ultrasonic Washing: Ultrasonic Washing Is Carried Out To Clean The Surface Of The Material From Oxide / Oil / Grease / Coolant Before Heat Treatment Operations. Operations Are To Be Carried Out As Per Technology. 29. Sand Blasting: Sand Blasting Operation Is Carried Out After Heat Treatment Of Components To Remove The Scales. It Is Also Required For Surface Preparation Before Electroplating And Painting Operations. Sand Blasting Is Done On Entire Surface Area Or Partially Specified Area Of The Component As Per The Process Requirement. Operations Are To Be Carried Out As Per Technology. 30. Hot Compression / Hot Deformation: It Is A Heat Treatment Process Carried Out On Components ( E.G.: Springs, Sheet Metal Parts And Others ) In Chamber Furnace / Oven In Thermo-Fixture To Get The Required Properties. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 31. Powder Manufacturing For Coating ( E.G.: Anb, Ybc-2P, Pgc-100 / 1 ) : It Is A Mixture Preparation Process In Which Sequence Of Operations, E.G.: Mixing, Rubbing, Drying & Sieving Of Different Consumables Are Done To Get The Final Mixture. Subsequently, Prepared Powders Are Packed In Airtight Container For Storage. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 32. Spring Manufacturing: Springs Are Manufactured From Wire Of Various Thickness By The Specified Operations, E.G.: Coiling, Cutting, Bench Work, Trueing, Grinding, Heat Treatment Etc. Detail Manufacturing Process, Heat Treatment Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 33. Silver Plating: Silver Plating Is An Electroplating Process Carried Out On Components To Prevent Seizing Properties And Improve Electrical Conductivity. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 34. Copper Plating: Copper Plating Is An Electroplating Process Carried Out On Components To Prevent Seizing Properties And Masking Before Case Hardening Process. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness, Porosity Test And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 35. Zinc Plating: Zinc Plating Is An Electroplating Process Carried Out On Components To Prevent Corrosion On Steel Parts. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 36. Cadmium Plating: Cadmium Plating Is An Electroplating Process Carried Out On Components To Prevent Corrosion On Steel Parts. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 37. Nickel Plating: Nickel Plating Is An Electroplating Process Carried Out On Components To Enhance Corrosion Resistance. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 38. Oxide Phosphating: Oxide Phosphating Is A Conversion Process Followed By Chromate Sealing, Hydrophobizing And Dehydrogenation To Enhance Surface Properties Like Corrosion Resistance, Waterproofing Etc. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Corrosion Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 39. Tin Plating: Tin Plating Is An Electroplating Process Carried Out On Casings And Other Components, To Enhance Corrosion Resistance And To Use As Masking In Nitriding Process. Plating Bath Composition Analysis, Calibration Of The Gauges, Visual Inspection, Coating Thickness Check And Adhesiveness Test Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 40. Electro Polishing: Electro Polishing Is An Electroplating Process Carried Out On Components To Enhance Corrosion Resistance. Plating Bath Composition Analysis, Calibration Of The Gauges, Thickness And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 41. Magnesium Oxidising: Magnesium Oxidizing Is A Conversion Process Carried Out On Magnesium Alloys To Enhance The Corrosion Resistance. It Is Followed By Sealing. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 42. Oxidation: Oxidation Is A Conversion Process Carried Out On Steel Components To Enhance Corrosion Resistance. It Is Followed By Oil Treatment And Subsequent Preservation. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 43. Phosphating: Phosphating Is A Conversion Process Carried Out On Components To Enhance Corrosion Resistance. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 44. Electrophoresis ( Graphite Coating ) : It Is An Electroplating Process Carried Out On Components To Enhance The Lubrication Properties. Plating Bath Composition Analysis, Calibration Of The Gauges, Thickness And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 45. Anodising: It Is A Conversion Process Carried Out On Aluminum Alloys To Enhance The Corrosion Resistance. It Is Followed By Chromate Sealing. Plating Bath Composition Analysis, Calibration Of The Gauges, Protective Property Test And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 46. Hard Anodising: It Is An Electroplating Process Carried Out On Aluminum Alloys For Thickness Buildup. Plating Bath Composition Analysis, Calibration Of The Gauges, Thickness Check And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 47. Passivation: It Is A Chemical Process Carried Out On Components To Enhance Corrosion Resistance. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 48. Pickling: It Is A Chemical Process Carried Out On Components To Reveal The Defects On The Surface Of The Components. Plating Bath Composition Analysis, Calibration Of The Gauges, Alpha Layer Check, Hydrogen Absorption Test, Thickness Check And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology, 49. Painting: It Is A Process Of Applying Paint On Components To Enhance Corrosion Resistance And Other Requirements. Calibration Of The Gauges, Thickness Check, Impact Test, Bend Test, Adhesiveness Test, Thermal Stability Test And Visual Inspection Are The Acceptance Criteria For The Final Components. The Process Of Application Of Paint And Final Acceptance Criteria Varies From Component To Component. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 50. Ha-67 Powder: It Is A Process Of Nickel Plating On Aluminum Powder. Chemical Analysis Of Manufactured Powder, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 51. Hydrophobising: It Is A Process Of Dipping / Brushing / Pouring Components In Hydrophobising Liquid For Waterproofing. Hydrophobising Liquid Density Check And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 52. Flux Removal: It Is A Process Of Removing Flux In Pipelines By Chemical Method. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 53. Removal Of Coatings: It Is A Process Of Removing Different Coatings Like Ha-67, Anb Coating, Ybc Coating, Map Coating, Silico-Aluminizing Coating And Others. Plating Bath Composition Analysis, Calibration Of The Gauges And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 54. Vapour Degreasing: It Is A Surface Cleaning Process Carried Out Before Electroplating Of Components. Operations Are To Be Carried Out As Per Technology. 55. Manufacturing Of Rubber Parts: It Is A Process Of Manufacturing Of Rubber Components, Metal-Rubber Bonded Parts From Rubber Compound In Hydraulic Press By The Application Of Pressure And Temperature. Rubber Shelf Life, Storage Condition, Physico-Mechanical Properties, Dimension Check And Swelling Check And Visual Inspection Are The Acceptance Criteria For The Final Components. Process Cycle And Acceptance Criteria Is To Be Followed As Per The Technology. 56. Miscellaneous Activities: Heat Treatment And Electroplating Shop Operations Not Described Above, Is Considered As Miscellaneous Activities Under The Scope Of Work For “Conventional Machine And Process Activities”. These Activities Are To Be Carried Out As Per Technology. Total Quantity : 193050
