न शनल इ स ट ट य ट ऑफ फ उ ड र ए ड फ र ज ट क न ल र

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1 न शनल इ स ट ट य ट ऑफ फ उ ड र ए ड फ र ज ट क न ल र (म नव स स धन ववक स म त र लय क तहत एक स व यत त स स थ न) National Institute of Foundry & Forge Technology (An Autonomous Body under the Ministry of Human Resource Development), ( ) , / Hatia, Ranchi (Jharkhand) , INDIA Tele-fax: (+91) ; do.nifftranchi@gmail.com; Website: Ref. No. NIFFT/Tender-EoI/07/2017/559 Date: 05 th July, 2017 NOTICE FOR EXPRESSION OF INTEREST Sealed EoI are invited from the Original Equipment Manufacturers or their Authorized Dealer for supply / contract and installation of the following articles: - S No. Particulars Required Quantity Cost of EoI documents 01 Equipment for Mechanical Engineering laboratory at the Institute as per Annexure A As given against each item in Annex NIL Note: 1. Dealers should produce valid authorization certificate including our EoI reference from the manufacturer, failing which EoI will not be evaluated. The EoI from dealers will be evaluated only if the model number of the product is quoted. Relevant brochure of the model quoted should be attached. General brochure will not be accepted for evaluation. 2. EoIs will be evaluated based on the contents of the EoI itself without recourse to extrinsic evidence. EoI documents as well as the detailed specification can be had from the Institute s Store & Purchase Section upto 2.30 p.m. on all working days. The EoI forms can also be downloaded from the site Last date for submission of EoIs a.m. on 31 st July, 2017 Opening of the EoI To be intimated later The Expressions of Interest may be sent by registered or speed post or by courier service, so as to reach the Assistant Registrar (Administration) before the last date of receipt, or alternatively, be submitted by hand at the Institute. (Opening of EoI can be attended by the representative of bidders with valid authorization from the Manufacturer/dealer) The above reference No. should invariably be quoted in the application for issue of EoI Documents and it should be superscribed in the sealed EoIs. Director reserve the right to accept or reject the EoIs without assigning any reason thereof. Sd/xxx Director

2 न शनल इ स ट ट य ट ऑफ फ उ ड र ए ड फ र ज ट क न ल र (म नव स स धन ववक स म त र लय क तहत एक स व यत त स स थ न) National Institute of Foundry & Forge Technology (An Autonomous Body under the Ministry of Human Resource Development), ( ) , / Hatia, Ranchi (Jharkhand) , INDIA Tele-fax: (+91) ; do.nifftranchi@gmail.com; Website: 1. Instructions to the bidders EOI DOCUMENT 1.1 Sealed EoI are invited on behalf of the Director, National Institute of Foundry and Forge Technology, Hatia, Ranchi, from the intending bidders for supply and installation of the equipment for the Institute as detailed in the enquiry letter. 1.2 The bidders should give a budgetary quote with their EoI. 1.3 The last date for receipt of the EoI is marked in the enquiry. In case the above date is declared a holiday for NIFFT, Hatia, Ranchi, the EoIs will be received up to the appointed time on the next working day. 1.4 There may be a pre-bid conference in the office of the Department at NIFFT, Hatia as per schedule given at the top of the document for clarifying issues and clearing doubts, if any, about the specification and other allied technical details of the plant, equipment and machinery projected in the EoI document. The prospecting bidders may attend this pre-bid conference at the appointed date, time and place. In case the said date is declared a holiday for the Institute, the pre-bid conference shall be held at the appointed time and place on the next working day. 1.5 The EoI may be sent by registered or speed post or by courier service, so as to reach the Institute before the last date of receipt, or alternatively, be submitted by hand at the Institute. 1.8 The bidder may modify his EoI before the last date appointed for receipt by sending an amendment to the EoI. No EoI shall be modified after the deadline for receipt. 1.9 If a prospective bidder requires any clarification in regard to the EoI documents, he may make a request to the concerned office at least 15 days before the deadline for receipt EoI received after the deadline of receipt shall not be taken into consideration Each bidder shall submit only one EoI. A bidder, who submits more than one EoI, shall be disqualified and considered non-responsive The EoI should contain all documents in support of pre-qualifying criteria, Manufacturing/Ownership certificate, Dealership certificate, all available technical literature, catalogues and other data in support of the specification and details of the item. (Specifications: Stores offered should strictly conform to our specifications. Deviations, if any should be clearly indicated by the bidder in their quotation. EoI should also indicate the Make/Type number of stores offered and provide catalogues, technical literature and samples, wherever necessary alongwith the quotations. Test certificates wherever necessary should be

3 forwarded along with supplies. Wherever specifically mentioned, bidder could suggest changes to specifications with appropriate reasons for the same The EoI should mention the name of bidders bankers, Sales Tax Registration, PAN number etc. Authority of the person signing the EoI, if called for, should be produced The cover containing the EoI must be sealed and super-scribed as; Expression of Interest for vide No. dated The EoI shall be opened in the Institute at the date and time given on the top of the document. The bidders may send their authorized representatives to attend the EoI opening, if they so desire. In the event of the above bid opening date being declared holiday for the NIFFT, Hatia, Ranchi, the EoI will be opened at the appointed time and place on the next working day The bidder has to sign in full at all pages of the EoI.

4 Expression of Interest for Procurement of Equipment for the Mechanical Engineering Laboratory Technical Specifications for Equipment Annexure A A. Fluid Mechanics Lab 1. Reynolds Apparatus A self-contained bench-mounting apparatus fitted with flow control valve that uses water to allow students to investigate laminar and turbulent flow and the conditions at the transition. a. Constant head reservoir and flow-smoothing parts for a smooth flow b. Uses dye injector system to show flow patterns c. Investigates Reynolds number at transition d. Clear tube and light-coloured shroud to help flow visualisation (see flow more clearly) e. Shows turbulent and laminar flow f. Ideal for classroom demonstrations and student experiments To study different types of flow To determine the Reynolds Number and hence the type of flow either laminar or turbulent. 2. Friction Loss in a Pipe For direct measurement of friction loss in a small-bore pipe, during both laminar and turbulent flow a. Directly measures friction loss in a small-bore test pipe b. Investigates laminar and turbulent flow and the transition point c. Ideal for classroom demonstrations and student experiments d. Includes precision valve for precise flow control and a Header Tank for good laminar flow : Study of friction loss in a pipe, including: Investigations of laminar and turbulent flows Demonstration and measurement in the change of the laws of resistance (friction factor) from laminar to turbulent flow Finding the critical Reynolds Number Verifying Poiseuille s Equation and the coefficient of viscosity for water in the laminar flow region 3. Bernoulli s Equation Allows to measure the pressure distribution in a convergent-divergent duct. Set up consists of a one piece clear test section with convergent and divergent part section, supply tank, measuring tank, inlet water tank and pump for closed loop water circulation. The test section is connected to pressure tapping at different locations on the section to demonstrate the Bernoulli Theorem. Provision to measure flow rate of water. : To verify Bernoullis Theorem experimentally. 4. Vortex Apparatus Studies the phenomena of free and forced vortices a. For studies of both free and forced vortices b. Transparent vessel - users can see the vortices from all angles

5 c. Includes a traverse probe to measure water surface profile d. Low-voltage variable speed motor for safety e. Ideal for classroom demonstrations as well as laboratory experiments : Determination of the surface profile of a forced vortex Determination of the surface profile of a free vortex Determination of the total head variation in a forced vortex Comparison of results with theoretical predictions 5. Francis Turbine Shows how a Francis turbine works and tests its performance a. Determining the operating characteristics, ie power, efficiency and torque, of a Francis Turbine at various speeds and guide vane openings. b. Fully adjustable guide vanes with position indicator c. Includes pressure gauge to measure inlet pressure d. Transparent front so students can see what is happening Efficiency of a Francis turbine Performance of a Francis turbine at different flow rates The effect of different guide vane settings on turbine performance 6. Pelton Turbine A compact unit for demonstrations and performance tests on a Pelton turbine. a. Shows students how an impulse (Pelton) turbine works and tests its performance. b. Pelton wheel mounted in a corrosion-resistant enclosure and transparent front panel c. Adjustable spear valve to directs a jet of water through a nozzle to the buckets of the Pelton wheel. d. Provision to apply variable mechanical load (torque). e. Measure inlet pressure, flow rate and torque. Performance charts of power, speed, torque and efficiency. The effect of spear valve position B. I C Engine Lab 1. Four Stroke Diesel Engine Test Rig To conduct performance test on four stroke four cylinder water cooled diesel engine with suitable Dynamometer Experimental Capabilities: Determination of brake power & mechanical efficiency at different load conditions. Determination of fuel consumption & brake specific fuel consumption, brake thermal efficiency. Determination of air consumption & volumetric efficiency, Air/Fuel Ratios. Calculation of Heat balance of the engine. To study P-V Diagram & P-Theta diagram for diesel engine 2. Single Cylinder two Stroke Petrol Engine Test Setup Petrol Engine coupled to a suitable dynamometer, to conduct performance test. Experimental Capabilities: Determination of brake power & mechanical efficiency at different load conditions. Determination of fuel consumption & brake specific fuel consumption, brake thermal efficiency. Determination of air consumption & volumetric efficiency, Air/Fuel Ratios. Calculation of Heat balance of the engine. 3. Single cylinder Engine-Petrol & Diesel actual cut section working models

6 Actual cut section engine helps the student to understand about the parts and the working of the engine. The working of individual parts and accessories like valves, pistons, pumps, crank and crankshaft will be demonstrated Manual or motor driven with valve timing attachment. 4. Multi cylinder engine-petrol & Diesel actual cut section working models Actual cut section engine helps the student to understand about the parts and the working of the engine. The working of individual parts and accessories like valves, pistons, pumps, crank and crankshaft will be demonstrated Manual or motor driven with valve timing attachment. 5. Steering system (Manual/Power driven) The working of steering system is shown with the help of actual parts, assembled on frame. To understand the working of steering system 6. Gear box cut section working model All the necessary parts of gear box are shown in actual workinh form To demonstrate working of gear box C. Refrigeration and Air Conditioning Lab 1. Refrigeration Test Rig To demonstrates about the basic principal of a refrigeration cycle. a. For the study of thermodynamics of vapour compression refrigeration cycle by way of demonstration and experimentation. b. Facility to measure various parameters for experimentation. c. Provided with components normally used in refrigeration system d. Uses Non-toxic refrigerant fluid 2. Air Conditioning Trainer a. Ducting fitted with various air conditioning components b. Measurements of various parameters cooling cycle and heating cycle c. Students can easily visualize and understand the basic principles of air conditioning. 3. Reciprocating and Rotary Compressor (Actual Cut Section) a. made out of original parts. b. The model should be suitably sectioned to demonstrate the internal construction details showing the minute information, and working of the same. D. Theory of machine lab. 1. Gyroscope: Demonstrate the relationship between gyroscopic couple and the velocities of the rotor and precission. a. Work in both CW & ACW direction for full range of experiment. b. Multi functional controls for coarse & fine adjustment of velocity and direction. c. Direct measurement of gyroscopic tilting force, couple & velocities (speeds) shown on digital displays d. Portable, self-contained bench-top unit, suitable for classroom demonstrations and use by small groups of students Direction of Gyroscopic Couple (in relation to precession and rotor spin directions). Magnitude of Gyroscopic Couple (in relation to precession and rotor spin velocities). 2. Centrifugal force measurement: For experiments in centrifugal force and angular velocity.

7 a. Shows the relationship between centrifugal force, mass of a rotating body, its distance from the axis, and its angular velocity b. Balanced arm mechanism for accurate readings c. Portable, self-contained bench-top unit, suitable for classroom demonstrations and use by small groups of students d. Unique multifunction control for coarse and fine adjustment of velocity and direction e. Includes a set of weights for different experiments : Finding the relationship between centrifugal force, the mass of a rotating body, its distance from the axis of rotation (radial position) and the speed of rotation. 3. Static and Dynamic Balancing For experiments in balancing a rotating mass system, statically and dynamically a. Self-contained bench or desktop mounting unit, suitable for student use and for classroom demonstrations b. Demonstrates balancing a horizontal shaft with two, three or four rotating masses c. Independent analysis of static and dynamic balancing d. Includes four removeable rotating masses (balance blocks) with different inserts for a range of moments e. Protractor, horizontal scale and sliding indicator to help accurately position the rotating masses f. Flexible mountings allow test shaft assembly to vibrate in dynamic balancing tests. Demonstration of simple static and dynamic balancing of two, three and four rotating masses Dynamic balancing of rotating mass systems by calculation and vector diagrams (triangle and polygon) 4. Balance of Reciprocating Masses A model four-cylinder engine that shows the primary and secondary forces and moments when balancing reciprocating masses a. Model four-cylinder engine assembly held on a cantilever supported on a bench mounted pillar b. Includes a Control and Instrumentation Unit to process the force and moment signals. This unit also has an electronic drive control to adjust and display the engine speed accurately c. Shows both primary and secondary forces and moments and how to balance them d. Simulates one, two and four cylinder engines e. Variable crank angle settings and additional piston masses for a range of tests f. Highly visual - ideal for classroom demonstrations g. Works with the oscilloscope (OS1) to show dynamic force and moment waveforms for popular engine arrangements and compare them with theory Primary and secondary forces and moments in popular engine configurations - one, two and four cylinder. Primary and secondary forces and moments for different crank settings. The effect of adding additional mass to one or more pistons for any chosen crank setting. Comparing calculated forces and moments with actual results. 5. Governors: Shows how different governors work, including Hartnell, Porter and Proell governors a. Portable, self-contained bench-top unit, suitable for classroom demonstrations and use by small groups of students b. Demonstrates the effects of speed, mass, geometry and other variables of governor characteristics c. Includes three easy-to-fit governors: Hartnell, Porter and Proell

8 d. Unique multifunction control for coarse and fine adjustment of velocity and direction e. Interlocked, transparent dome allows students to see the governors spinning in safety f. Includes additional weights to change the mass of the Porter and Proell governor sleeves g. Supplied with different springs and rotating masses for the Hartnell governor : Finding characteristic curves of governor speed against sleeve lift. Comparison of governor types in terms of sensitivity, stability and effort. On the Porter and Proell governors, the effects of varying centre sleeve mass. On the Hartnell governor, the effect of varying: arm length spring rate spring compression rotating mass Demonstration of the isochronous condition (Hartnell governor). 6. Geared Systems A set of products for dynamic and static experiments on geared and other drive systems a. For studies of velocity ratios and efficiencies of various geared systems b. Self-contained bench-mounted base unit for dynamic performance tests including a dual-purpose simple and compound gear drive unit as standard c. Choice of optional drive units, including belt drives and a chain drive for comparative tests of different drive types. d. Interlocked transparent cover for safety, while allowing students to see the drive units working e. High stability drive motor and hysteresis effect dynamometer brake for a constant torque at any given speed f. Simple tools provided for quick and easy changeover of drive systems : Simple and compound gear trains Mechanical Advantage, Velocity Ratio and dynamic efficiencies of gear trains Mechanical Advantage, Velocity Ratio and dynamic efficiencies of optional drive units (chain and belts) Appreciation of the different characteristics of drive systems Chain and Belt Drive Tension, including different methods of application - Acceleration and Static Mechanical Advantage, Velocity Ratio and static efficiencies of gear drives Mass moment of inertia of a flywheel by experiment and calculation Mass moment of inertia of geared drive systems by experiment and calculation 7. Cam Analysis Machine Studies the dynamic behaviour of different cams and followers and their bounce speed 1. Bench-mounted product to analyse the dynamic characteristics of different cams and followers 2. Shows cam and follower separation or cam bounce under safe and controlled conditions 3. Includes different cams, followers, springs and masses for a wide range of experiments 4. Fully interlocked for safety 5. Highly visual and audible perfect for demonstrations : Comparing actual results with theory for profiles of follower displacement, acceleration and velocity Cam bounce speeds for different cam and follower combinations, and comparison of speeds to those predicted by simplified theory How spring rate, preload and follower mass affect cam bounce speed

9 E. Metal Based Additive Manufacturing Machine Technical Specification of Metal based additive manufacturing machine Sr.No Item Qualifying Specification 1 Melting method laser melting/ Metal Sintering 2 Part Building Technique Bed Fusion or Direct Energy Deposition 4 Laser power 300 Watt or better ( Different laser powers can be used) 5 Laser Type Fiber laser or better 6 Laser wavelength µm 7 Focusing Lens F-Theta lens/3d Optics or better Scanner Laser life duration in hours (Minimum) Beam Focus at material surface Dimensional accuracy of part Exposure Speed: 10 m/s or better Positioning Accuracy: <20 µm or better Minimum 50,000Hrs or Higher μm ±50 μm or better 12 Recoating Double sided recoating system Preferred 12 Layer thickness range Editable/Variable 20μm - 70μm or better with 1µm increment 14 Metal material choice Aluminum alloys, Stainless Steel, Tool Steel, Inconel, Titanium alloy, Cobalt-Chrome alloy, Nickel alloy etc. Open material option and capable to use all type of weldable materials Machine parameter to use material should be provided inbuilt. Such factory set parameters should be available and editable to user. Mention separately if there is an additional cost for any parameter. Vendor to confirm that all parameters that are required to build a part is user controllable, and if not, to list what is not accessible. We require that 100% of all parameters are editable. 15 Customized metal powder working compatibility Should be possible to work with customized metal powder and third party materials. Usage of 3rd party material options in the system will not void warranty of machine: Certificate by manufacturer to be provided.

10 16 Build rate minimum 15 cm³/h 17 Part build area reduction from standard size Machine should be capable of reducing the Build Volume. 18 Minimum Wall thickness 150 μm or Lower 19 Gas medium Both Argon and Nitrogen gas 20 Inbuilt Gas (N2) generation 21 Gas consumption rate 22 Component Build Volume Machine should have inbuilt Nitrogen Generator max Liter/min during purging and 3-5 Liter/min during process minimum 100 x 100 x 100 mm ( Higher Build volume Preferred ). You can quote for all available build volumes. 23 Door Lock for Safety The door lock of the build chamber should be supplied with an electro- mechanical safety system, so that door can be opened only when the oxygen content is above 15% inside the chamber. This is to protect the operator when using argon or other inert gasses that need to be handled under specific health and safety regulation. 24 Machine space Volume *Specify 25 Electrical Requirements *Specify 26 Voltage Stabilizer *Specify 27 Compressed Air Requirements *Specify 28 Repeatability 20µm or better 29 Minimum detail resolution µm 30 Space Requirements (W x D x H) *Specify 31 Control software *Specify 32 Operating system *Specify 33 File format *Specify 34 Filter System The system should have double filters mounted externally so that it can be changed without interrupting build process. Automatic filter switchover and change filter information should be available. 35 Platform heating module Suitable Platform heating module with operating temperature o C or better 36 Recycling system Closed loop powder sieving system 37 Process Control & The system should have unique feature for controlling & monitoring Monitoring each powder layer 38 Surface finish of component produced (Vertical/Horizontal) Ra( 15 µm -25 µm)

11 39 40 Standard Accessory with machine Inbuilt Process Parameter display * Specify *Specify 41 Powder Management Powder filling and sieving and should be completely under inert gas condition. Completely automatic sieving module to be offered also 42 Vacuum cleaner For Reactive & non reactive material 43 Sand blasting unit *Specify 44 Heat Treatment Furnace *Specify 45 Tool kit *Specify 46 Spare for 2 Year period *Specify 47 Operation and Maintenance manual of Electrical, Electronics & *Specify Mechanical 48 Consumables *Specify 49 Warranty ( min 2 Years) *Specify 50 Training : Operation and machine maintenance Training to be given to the Engineers/Scientists *Specify 51 Any other details # Specify