SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR
Contents
1. 22 02 i PLC MMI Drives Robotic CNC maintenance Vendor to accept 22 03 ii Mechanical Pneumatic maintenance Vendor to accept Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 8 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 22 04 iii Operation and programming Vendor to accept 22 05 Vendor will teach preparation of parametric programming to the trainee deputed for Vendor to accept operation amp programming training In case training facility in robotic components is not available at supplier s works same shall be arranged by vendor at authorized training centre of robot manufacturer 22 06 Air fare boarding amp lodging for the trainees shall be borne by BHEL For vendor s information 22 07 Competent English speaking experts shall be arranged by the vendor for satisfactory amp Vendor to accept amp confirm effective training of BHEL personnel 22 08 Vendor to quote for Training on per man per day basis Vendor to accept and submit necessary details 23 00 SPARES 23 01 Spares for at least 2 years three shift trouble free operation of machine should be Vendor to accept offered The spare package should include all attachments accessories and peripherals The spares offer should contain individual item wise list along with price breakup2. 25 10 Dump valve 2 no 25 11 Solenoid valves 2 no each type Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 9 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 25 12 Magna Valve 1 no 25 13 Filter Element for dust collector 5 sets 25 14 Pressure Switch 2 no each type 25 15 Air Regulator 1 no 25 16 Air Filter 2 no each type 25 17 Vibratory Classifier Sieve for S330 amp S550 shot 2 sets of meshes for each shot type 26 00 Spares for Robot should include Vendor to accept 26 01 Axis Servo Unit 1 no 26 02 CPU unit main board 1 no 26 03 Power Supply 1 no 26 04 Servo motor for axis 2 no for each axis 26 05 Operator Panel 1 no 26 06 Profibus Master Slave unit 1 no 26 07 Memory board flash rom card 1 no 26 08 Tech Pendant unit loaded as used on the machine 1 no 26 09 Battery 16 Nos of each type 26 10 Fibre Optical Cable as used on the machine 2 no each type 26 11 Robot protection cover 1 no 27 00 The colour of equipment and all peripherals shall be Apple Green RAL 6011 Vendor to accept 28 00 TROPICALISATION 28 01 All electrical electronic equipment should be tropicalized Vendor to accept 28 02 All electrical amp electronic control cabinets amp panels should be dust and vermin rodent proof Vendor to accept 28 03 All elect
3. specification and source of supply 23 02 The spares offer should necessarily include the following apart from any other item Vendor to accept that is required to meet the condition of clause 23 01 Incase any of the following items are not used in the machine the vendor to clearly specify this against the item However if at a later date it is determined by BHE that such an item is being used in the machine the vendor will have to supply the item in the quantity mentioned to BHEL Haridwar at no extra cost 24 00 Electrical amp CNC Spares should include the following Vendor to accept 24 01 PLC CPU no 24 02 PLC Input Card 1 no each type 24 03 PLC Output Card 1 no each type 24 04 Proximity Switches 5 no each type 24 05 Limit Switches 4 no each type 24 06 Operator Display 1 no 24 07 Magna valve controller unit 1 no each type Magna Valve with controller unit 24 08 Stepper drive motor if used in machine 1 no each type 24 09 Complete table drive controller 1 no 24 10 Push Buttons 16 no 24 11 Indicating Lamp 8 no 24 12 Vibratory Motor 1 no each type 24 13 AC drive 1 no each type 25 00 Mechanical Spares should include the following Vendor to accept 25 01 Blast Hose 5 mtrs 25 02 Nozzle Holder 5 no 25 03 Rubber Bush for nozzle holder 10 no 25 04 Blasting Nozzle 5 no each type 25 05 Rubber sleeves 10 no each type 25 06 O rings seals 5 no 25 07 Coupling for blast hose 5 no 25 08 Hose Connector 4 no 25 09 Exhaust Valve 2 no
4. device with cut off facility for under over output voltage Devices for load current measurement MCCB at input for overload short circuit protection Details to be Vendor to inform submitted 15 00 ULTRA ISOLATION TRANSFORMER 15 01 Ultra Isolation Transformer suitable for complete machine its drives controls PLC etc for unbalanced load amp supply conditions considering specified power supply amp ambient Vendor to offer conditions 15 02 Make Neel Suvik Servomax Aplab or Auto Electric 15 03 Model Rating amp Input Output Voltage etc Vendor to inform 15 04 Monitoring device with cut off facility for under over output voltage Devices for load current measurement MCCB at input for overload short circuit protection Details to be Vendor to inform submitted 15 05 Catalogue of the Isolation Transformer shall be submitted with the offer Vendor to submit Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 6 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 15 06 Spares Package for Isolation Transformer with item wise breakup are to be recommended Vendor to accept and provide details and offered by the vendor in sufficient quantity for 2 years of trouble free operation considering two shifts running of the machine Detailed list is to be submitted Price of uni
5. provided for separately for each shot size and the machine should be Vendor to accept capable of automatically using the correct system depending on the shot size selected in the operators panel 18 00 COMPRESSED AIR TREATMENT EQUIPMENT 18 01 Refrigerator Air Dryer Compressed air vessel with pre and post filters should be provided to Vendor to accept entrap moisture and other suspended particles to provide dry and clean air into the machine 18 02 The system should be IP 44 or better rated Vendor to accept 18 03 A compressed air vessel is to be provided with amounted ductings 3000 Ltrs or more 18 04 All pneumatic ducting and piping network for connecting the system to BHEL source of Vendor to accept pneumatic point is to be supplied by vendor 19 00 ALMEN GAUGE ALMEN STRIP A AND ALMEN TEST STRIP HOLDER ALONG WITH DUMMY 19 01 The digital almen gauge should be supplied 1 Measuring range 0 0001 to 0 025 2 Resolution 0 0001 or better 3 The gauge should have an easy to read display Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 7 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 19 02 500 no almen strips should be supplied along with the machine 1 Length 76 11 0 29mm 2 Width 18 985 0 065mm 3 Thickness 1 2905 0 0205mm 4 Flatness 0 025mm 5 Hardness HRC 44 50 19 03 Almen strip
6. reciprocation and illumination An emergency stop should also be provided Audio visual alarm indicating cycle start cycle completion and fault should be provided in the control panel The control panel is to be properly illumination for maintenance purpose and should have forced cooling arrangement 13 02 An LCD display should be provided 10 or more 13 03 A membrane keyboard or touchscreen should be provided for operating the panel Vendor to accept 14 00 SERVO VOLTAGE STABILIZER 14 01 Oil Air Cooled Servo Controlled Voltage Stabilizer suitable for complete machine its drives controls PLC etc for unbalanced load amp supply conditions considering specified Nendor 9 otier amp to pravidg he electrical drawings for the same power supply amp ambient conditions 14 02 Spares Package for Servo Voltage Stablizer with item wise breakup are to be recommended and offered by the vendor in sufficient quantity for 2 years of trouble free operation considering two shifts running of the machine Detailed list is to be submitted Price of unit f Vendor to offer quantity of each item is to be quoted The following should be necessarily offered along with the spares package Variacs 2 nos Correcting servomotors 4 nos Control cards 2 nos of each type Control Transformers 3 no each type 14 03 Make Neel Suvik Servomax Aplab or Auto Electric 14 04 Model Rating amp Input Output Voltage etc Vendor to inform 14 05 Monitoring
7. witnessed by the BHEL team and all machine functions shall be verified 35 00 FINAL ACCEPTANCE 35 01 Final acceptance will be at BHEL s Works where the following will be tested Vendor to accept 35 02 Machine positioning accuracy and repeatability details to be furnished along with technical Vendor to accept bid 35 03 Overall features and performance of the machine Vendor to accept 35 04 Successful Peening of 10 Nos of each type of blade as per clause 10 02 Vendor to accept 35 05 Vendor shall arrange all necessary facilities for measurement of Surface finish Residual Vendor to accept Compressive Stresses and Peening Intensity These will be measured as mentioned in clause 3 Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 11 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 35 06 Supervision of one full week 6 working days of continuous peening of blade roots after Vendor to accept completing the peening in prove out blades During this period necessary training in machine operation maintenance and programming shall also be extended to BHEL operators 35 07 The machine will be treated as finally commissioned and will be taken over only after Vendor to accept successful completion of all final acceptance activities and superv
8. 1 of 12 BHARAT HEAVY ELECTRICAL LIMITED SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR ROBOTIC SHOT PEENING CENTER NOTE Qty 1 No 1 Vendor must submit complete information against clause no 40 The offer would only be considered if complying this clause Indent No 20132547 2 The vendor should fill the Offered Column in compliance to specified requirements and also Deviations Column where there is deviation from the requirement Duly filled specification cum compliance certificate should be submitted along with the offer Inadequate incomplete ambiguous or unsustainable information against any of the clauses of the specifications requirements shall be treated as non compliance Any changes made to the clauses of the specification cum compliance certificate will be treated as non compliance and may lead to rejection of the offer SCOPE 3 The offer and all documents enclosed with offer should be in English language only SUPPLY ERECTION amp COMMISSIONING OF ROBOTIC SHOT PEENING CENTER WITH SPECIFICATIONS AS BELOW No of Machines 1 No SI No 01 00 DESCRIPTION OF BHEL REQUIREMENT PURPOSE amp WORKPIECE MATERIAL REQUIRED OFFERRED DEVIATION REMARKS 01 01 The Robotic Nozzle Automatic Shot Peening Centre is required for controlled shot peening in fir tree flanks of steam turbine blades to induce residual compressive stresses No Portion of the aerofoil nor transition radius of the aerofoi
9. drawings Other requirements like crane capacity of EOT Crane in the shop is 5 Ton only and helping personnel shall also be provided by BHEL Details of these requirements should be informed discussed by vendor and agreed with BHEL in advance In case crane of higher capacity is required representative of vendor to hire mobile crane from local sources at their own cost 34 00 PRE ACCEPTANCE 34 01 Pre acceptance of the machine will be made at vendor s works by BHEL representatives Vendor to accept Geometrical accuracy of the machine position turntable amp Robot repeatability should be demonstrated 34 02 Shot Peening trials will be done during pre acceptance with 2 blade types 2 blades per type Vendor to accept total 4 blades on the machine being supplied These 2 blade type will be decided from those mentioned in clause 10 02 During pre acceptance all tests shall be witnessed by the BHEL team and all machine functions shall be verified 34 03 The blades for pre acceptance tests will be supplied by BHEL however the vendor will have to arrange for transport for these blades from BHEL and back after the pre acceptance tests The vendor will also have to provide suitable guarantee for these blades 34 04 Vendor shall arrange all necessary facilities for measurement of Surface finish Residual Compressive Stresses and Peening Intensity These will be measured as mentioned in clause 3 During pre acceptance all tests shall be
10. ed by the vendor List of such tools should be submitted with offer It should neccessarily include Fluke make clamp meter 31 00 FOUNDATION Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 10 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 31 01 Foundation Design Vendor to accept and submit In case any special foundation is required for installing the machine detailed foundation necessary details drawings to be offered The vendor should agree to supply 5 copies of machine layout and foundation drawings hard copies as well as AutoCAD drgs within one month of Placement of LOI Order 32 00 LEVELING amp ANCHORING SYSTEM 32 01 Complete set of anchoring materials including foundation bolts nuts washers fixators Vendor to accept and submit levelling shoes etc for alignment and fixing of the machine on the floor should be supplied necessary details Details to be submitted 33 00 ERECTION amp COMMISSIONING 33 01 Supplier to take full responsibility for carrying out the erection start up testing of machine Vendor to accept it s control amp all types of other supplied equipment accessories laser hardening of test pieces etc Service requirement like power air amp water shall be provided by BHEL at only one point to be indicated by supplier in their foundation layout
11. gr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 3 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 06 02 A bucket elevator or suitable system should be provided to deliver this used media to the Vendor to accept shot classifier 06 03 A fan should be provided to remove dust into the cartridge dust collector The cartridge dust Vendor to accept collector should be a self cleaning system All filter elements should be automatically cleaned with the aid of timer card through which solenoid valve are opened and certain volume of compressed air is blown into the cartridges to keep cartridges clean and thus the clean air is discharged in to the atmosphere while the dust is collected properly 06 04 Filter element porosity 2 Microns or better 06 05 Fan motor 15HP or more 06 06 Fan Capacity 2000 or more Cfm 06 07 Composition of Micro fibres in filter element Synthetic fibres with an average diameter of 0 2 Microns 06 08 Composition of Substrates in filter element Blend of cellulose fibres 06 09 Fractional efficiency of filter element 99 999 on 0 5 Micron particles 06 10 Suitable PVC flexible hose for the system is to be provided Vendor to accept 07 00 ONLINE VIBRATORY CLASSIFYING DEVICE UNIT WITH BUCKET ELEVATOR AND SHOT SEPERATOR 1 unit for each shot size 07 01 Shot Separator For shape segregation should be spiral separator type to separate round and Vendor
12. holders and Dummy blocks for holding almen strip for each type of blade root 4 no almen strip holders mentioned at clause no 10 02 is to be provided 1 dummy block each 19 00 SHOT PEENING MEDIA 19 01 Cast steel shots type S330 amp 550 for achieving the desired results should be quoted for Vendor to accept amp offer details initial charging and for subsequent consumption of 1000 hours peening Also initial charging quantity and per hour of consumption rate should be defined in technical offer in kgs 20 00 BASIC NOZZLE AND BLAST HOSE 20 01 Boron carbide blast nozzles of required orifice for shot peening the blade root of all types of 8mm dia for 330 shot blades mentioned in clause 10 02 are to be supplied The blast hose should be of alteast 10mm dia for S550 shot 25mm ID and of the requisite length The blast hose should be suited to the offered nozzles Vendor to provide details Details for the blast nozzle should be provided 21 00 DOCUMENTATION 5 printed copies and 1 electronic copy to be supplied along Vendor to accept with machine in English 21 01 Basic equipment operation and maintenance manuals Vendor to provide 21 02 Detailed assembly drawings with clear marking of each component and giving reference of Vendor to provide manufacturer for each assembly sub assembly 21 03 Detailed spare part list along with specification part number and address of manufacturer _ Vendor t
13. iameter of rotary table 600mm 09 03 Maximum load capacity of rotary table 150kg or more 09 04 Rotational speed of rotary table 0 20rpm or more 09 05 Rotary table servo motor power 1 1 or more kW 09 06 The rotational speed should be choosable from the teach pendant of the robot Vendor to accept 10 00 FIXTURING 10 01 The rotary table should be provided with an arrangement for fixtures for following blade Vendor to accept drawings supplied with BHEL technical specification as per the following clause The requisite fixtures to be offered item wise Necessary masking elements to be offered item wise for all the mentioned blades NOTE drawings will be provided to the vendor only after they have signed a non disclosure agreement with BHEL 10 02 1 SKETCH1 SKETCH2 Material XSCrNiCuNb16 4 Vendor to accept 2 SKETCH3 SKETCH4 Material X10CrNiMoV12 2 2 3 SKETCHS5 SKETCH6 Material X10CrNiMoV12 2 2 4 SKETCH7 SKETCH8 Material X10CrNiMoV12 2 2 Note Each blade has 2 variants left hand and right hand Profile Drawings SKETCH9 SKETCH10 SKETCH11 SKETCH12 Root Profile Drawings SKETCH13 SKETCH14 SKETCH15 Explanation Sketch spsketch001 Drawing will be provide only after vendor has signed non disclosure agreement with BHEL 10 03 A suitable jib crane or equivalent loading mechanism should be provided for easy loading __ Vendor to accept and unloading of the blades from the machine There should be suitable arrangement for holding the blade during l
14. ision as mentioned above 36 00 OPERATIONAL SAFETY 36 01 The design of the machine will be such as to provide utmost operational safety Mechanical Vendor to accept and electrical stoppers Electronic interlocks should be provided 36 02 Emergency Switches at suitable locations as per International Norms should be provided Vendor to accept Measures should be provided to ensure that the machine shuts down safely in case of sudden power cut 36 03 All doors shall be electrically protected so the peening is not possible with door open Vendor to accept condition 36 04 In case door opens during operation peening cycle should stop immediately Vendor to accept 36 05 The motion of the nozzle should stop immediately when it touches with the work piece or _ Vendor to accept fixture 37 00 ENVIROMENTAL PERFORMANCE OF THE MACHINE 37 01 Maximum noise level shall be 80 dB A at 1 meter away from the machine with correction Vendor to accept factor for back ground noise if necessary This will be measured as per international standards like ISO 2151 Supplier to demonstrate compliance to noise level if asked for 37 02 There shall not be any emission from the machine and hence no disposal system shall be Vendor to accept required 37 03 No Effluent Treatment Plant or Pollution Control Device shall be required Vendor to accept 37 04 No hazardous chemical shall be used in the machine Vendor to accept 37 05 Dust and broken shots shall accumulate
15. l to the base plate shall be shot peened Component to be shot peened are steam turbine blades forged out of high temperature fatigue and creep resistant alloy steel of grades like X20Cr13 X10Cr Ni MoV 12 2 2 X5Cr Ni Cu Nb 16 4 etc having tensile strength up to 1050 N mm and hardness about 350 HBW Vendor to accept 02 00 Blade sizes to be shot peened are as follows Min blade length 500mm Max blade length 1500mm Min root width 150mm Max root width 450mm Min root thickness 30mm Max root thickness 120mm 02 01 Drawings of blades clause no 10 02 will be provided along with a sketch spsketch001 to depict exact shot peening surfaces after the vendor has signed a non disclosure agreement with BHEL Vendor to accept 03 00 03 01 03 02 SCOPE OF THE PROCESS The machine should be capable of running an automatic process of shoot peening so that following consistent result are obtained on fir tree steam turbine blade roots Surface Roughness Vendor to accept Better than Rz 20um 03 03 Compressive Stress Min 500 Mpa at a depth of 0 1 mm in case of shot size S550 Min 450 Mpa at a depth of 0 1 mm in case of shot size 330 amp Min 250 Mpa at a depth of 0 25 mm in case of shot size 330 Saksham Saxena E1 TBM NBS PEB R K Rajak Mgr TBM NBS PEB P K Singh Mgr CNC NBS TBM Norsang Tenzin Mgr MAINT NBS 2 of 12 Indent No 20132547 SI N
16. o _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 03 04 Peening intensity range With cast steel shot size S550 as per AMS S 13165 type peening intensity range 0 45 to 0 48mm Almen A for the first 2 passes followed by 1 pass for smoothing with an intensity of 0 25mm Almen A with 175 to 200 coverage With cast steel shot size S330 as per AMS S 13165 type peening intensity range 0 35 to 0 38mm Almen A with 175 to 200 coverage 03 05 The machine should be capable of accommodating minimum and maximum size blades and Vendor to accept should be able to shot peen at least 30 blades of maximum size in a shift of 8 hours 03 06 The shot S330 or S550 desired should be selectable from the machine control panel There Vendor to accept should not be any need to change magna valve or vibratory sieve classifier to change shot size 04 00 BLAST CABINET WITH ILLUMINATION RUBBER LINING AND SHOT PEENING NOZZLE 04 01 It should be fabricated from 3mm or more steel and should have a tubular construction The Vendor to accept cabinet should be rubber lined with 6mm or more thick rubber sheets The vendor should provide acoustic panels to keep sound levels below 80dB The cabinet should be illuminated from inside with at least one metal halide of 150W or more which should be abrasion resistant dust tight and easy to maintain One set of Pressure Gauge Moisture Separator amp Pressure Switch should be provided at
17. o provide 21 04 Electrical schematic and pneumatic hydraulic diagram of the machine Vendor to provide 21 05 Commissioning and interface manual of drive controller Vendor to provide 21 06 Interface description of robotic system with PLC Vendor to provide 21 07 Detailed circuit diagrams of drive controller Vendor to provide 21 08 Wiring diagram and connector details Vendor to provide 21 09 PLC Ladder Logic diagram statement list along with comments in English language Vendor to provide 21 10 Back up of all software licensed copy e g diagnostic software user program etc Vendor to provide 21 11 Operation and maintenance manual of robot controller Vendor to provide 21 12 Alarm list and fault diagnostic manual Vendor to provide 21 13 Service and user manual for all bought out items Vendor to provide 21 14 Installation and start up manual of Drive Controller Vendor to provide 21 15 S7 Programming manual Vendor to provide 21 16 Backup of PLC HMI on USB Drive 1 TB or More and Backup of Robot system software Vendor to provide Teach pendent on PCMCIA card 21 17 Written procedure for setting the robot zero potisions of robot axes Vendor to provide 21 18 Written procedure for backup restore of PLC HMI Teach pendent Robot system software Vendor to provide 22 00 TRAINING 22 01 2 weeks Training of BHEL engineers in the following fields shall be provided at supplier Vendor to accept works during pre acceptance
18. oading unloading operation capacity of loading unloading mechanism 150kgs or more 11 00 PC FOR PROGRAMMING 11 01 A PC for programming of the machine having suitable hardware configuration along with Vendor to accept printer and UPS with capacity to power the supplied computer for 30 minutes is to be provided The operating system should be Windows 7 based 12 00 SOFTWARE 12 01 Parametric programmes for shot peening different types of blade roots as mentioned in Vendor to accept clause 10 02 to achieve desired peening intensity are to be supplied Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 5 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 12 02 Customized diagnostic software example mimic diagram for monitoring various control Vendor to accept measurement and proper functioning of machine elements should be supplied S 7 software to visualize PLC ladder diagram along with WINCC should also be provided System software of robot unit should also be provided on PCMCIA Card 13 00 MACHINE CONTROL PANEL 13 01 A dust amp rodent proof and wired for 415V 3P 50 Hz power control panel should be Vendor to accept provided It should have Start Stop switches for all the motors in the machine On Off switch for operation sequence blast nozzle gun
19. or to accept 08 06 Special protection for the robot from dust and spray entry should be provided Vendor to accept 08 07 The programmable logic controller should be built in Details for this controller are to be Vendor to accept and provide details provided 08 08 Payload Specifications of robot 20kgs or more Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 4 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 08 09 Motion range of Robot should be sufficient enough to cover the entire root of blades Vendor to accept amp provide details mentioned in clause 10 02 for the purpose of shot peening all the flanks both bearing nad Jof the robot s motion range non bearing as well as the bearing flank radius The robot should be able to articulate easily with the blast nozzle mounted on it 08 10 Positioning repeatability of Robot should be 0 08 mm or better Vendor to accept 09 00 DOOR AND ROTARY TABLE FOR BLADE MOUNTING 09 01 A hinge type door should be mounted at the front of the cabinet which should be provided Vendor to accept amp provide details with a limit switch to prevent peening operation when door is open A rotary table should be of servo motor amp drive provided for blade mounting along with fixture and should have coordinated motion with the robot 09 02 D
20. otic shot peening center of same shot size component dimension component weight or higher parameters in the past ten years on the date of opening of Tender and referred machine is presently working satisfactorily for more than one year after commissioning on the date of opening of Tender The following information should be submitted by the vendor about the companies where similar machine s have been supplied This is required from all the vendors for qualification of their offer 40 02 1 Name of the customer company where referred machine is installed Vendor to submit 40 03 2 Complete postal address of the customer Vendor to submit 40 04 3 Month amp Year of commissioning of referred machine Vendor to submit 40 05 4 Parameters of machine s supplied shot size component dimension component weight Vendor to submit and application for which the machine is supplied 40 06 5 Name and designation of the contact person of the customer Vendor to submit 40 07 6 Phone FAX no and email address of the contact person of the customer Vendor to submit 40 08 7 Performance certificate from the customers regarding satisfactory performance of machine Vendor to submit supplied to them Original Certificate or through E mail directly from the customer The original performance certificate may be returned after verification by BHEL if required 40 09 8 BHEL reserves the right to verify the information provided by vendor In case
21. properly for future disposal Vendor to accept 37 06 Gases used in cooling devices refrigerant type air dryer shall be environment friendly Vendor to accept amp submit details Details to be submitted 38 00 GUARANTEE 38 01 Vendor shall offer performance guarantee of the machine with all its peripherals including Vendor to accept robot and robot controller for a period of 24 months from the date of final acceptance of the machine as in clause no 35 38 02 In case of any problem during guarantee period trained personnel of the party would attend Vendor to accept the problem within 6 working days Any parts needed to be replaced by the vendor during guarantee period shall be arranged by the vendor duly freight and duty paid by them 39 00 GENERAL INFORMATION 39 01 All the information and drawings attached with tender document are exclusive property of _ Vendor to accept BHEL Hardwar Under no circumstances these should be passed to any third party without prior permission of BHEL and must not be used directly or indirectly detrimental to the interest of BHEL 40 00 QUALIFYING CONDITIONS Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS 12 of 12 Indent No 20132547 SI No _ DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERRED DEVIATION REMARKS 40 01 Only those vendors OEMs should quote who have supplied and commissioned at least one Vendor to accept Rob
22. rical components in the cabinets should be mounted on DIN Rails Vendor to accept 28 04 All motors shall conform to IEC or Indian Standards or equivalent standards Vendor to accept 28 05 Vendor should ensure the proper earthing for the machine and its peripherals accessories Vendor to accept Any material requirement for the same should be informed with foundation design drawings The vendor can take earthing connection from the nearest available location of the production shop 29 00 OPERATING CONDITION 29 01 Input power supply condition Vendor to accept Voltage 415 V 10 15 Frequency 50 Hz 3 3 No of phases 3 3 wire system without neutral 29 02 Compressed air 5 Kgs Cm Sq If the required compressed air pressure for operating of the Vendor to accept machine is more that the stated pressure the vendor to quote suitable compressor of Indian make preferable as an optional item 29 03 Temperature range during the year 1 to 48 Deg C Vendor to accept 29 04 Relative humidity 95 RH Max Vendor to accept 29 05 The tropical environment consists of dust laden atmosphere during some part of year Vendor to accept 30 00 TOOLS FOR ERECTION OPERATION amp MAINTENANCE 30 01 Tools and Equipment required for erection of the machine shall be brought by the vendor __ Vendor to accept and submit Necessary tools required for operation and maintenance of the machine should also be necessary details suppli
23. t quantity of each item is to be quoted 16 00 PLC amp PROCESS SEQUENCE 16 01 PLC for sequence and operation controls of variables to ensure repeatability of shot peening Vendor to accept process is to be provided Preferably Siemens make 16 02 The following should be displayed on operator s panel along with other relevant Vendor to accept information 1 Shot Size Selection 2 Shot Flow rate 4 Working pressure 5 Peening time 16 03 Following function should be displayed on Robot Pendant along with other relavant Vendor to accept information 1 Motor Position of 6 Axis Robot 2 Position of Turntable 3 Turntable RPM 17 00 CLOSE LOOP AIR PRESSURE REGULATOR amp MAGNA VALVE 17 01 Close Loop Air Pressure Regulator should be supplied for regulating air pressure through Vendor to accept PLC Magna valve should be supplied for controlling variable flow rates through PLC To protect magna valve against excessive wear there should be a pinch valve above the magna valve The controller should be capable of being recalibrated for shot type and size for higher accuracy At the same time the Magna valve should be capable of accommodating the Cast Shot Size 330 and S550 The shot flow controller should have a large digital display high low alarm contacts monitor flow in Kg min etc 17 02 The air pressure should be controlled using the control panel and values should be visible on Vendor to accept operator s screen 17 03 This system is to be
24. the Vendor to accept information provided by vendor is found to be false incorrect the offer shall be rejected Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS V K Chugh AGM TBM amp NBS Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB Mgr TBM NBS PEB Mgr CNC NBS TBM Mgr MAINT NBS
25. the air inlet of the M C 04 02 One side of the cabinet operator access door should be insulated and should be double wall Vendor to accept hinge type with proper sealing The door should be electronically secured to prevent peening operation when it is open and should have at least one viewing window 04 03 The complete cabinet should be rubber lined with special quality natural rubber of thickness Vendor to accept 6mm or more for protection against abrasion 04 04 At least one vision window at access door should be provided with toughened vision glass _ Vendor to accept which is to be protected by a fine wire mesh and the glass should be easily replaceable 05 00 SHOT FEEDING DEVICE 1 for each shot type 05 01 This should include continuous blast generator and should consist of double pressure vessel Vendor to accept a mushroom valve a mixing tube and automatic exhaust valve to depressurize the pressure vessel when air supply is cut off Pressure vessel is to be fabricated from 6mm or more thick MS Plates as per IS 2825 and should be hydraulically tested at 250 or more psi There should be on shot feeding device for each shot type 06 00 PMEUMATIC RECOVERY SYSTEM WITH RECLAIMER AND DUST COLLECTOR 06 01 A hopper and screw conveyor in the floor of the blast cabinet should be provided to collect Vendor to accept used media Saksham Saxena R K Rajak P K Singh Norsang Tenzin E1 TBM NBS PEB M
26. to accept broken shots 07 02 Classifier For size segregation should have a vibration screen to separate shot mix into Vendor to accept proper over and under size grits 07 03 A bucket elevator or suitable system should be provided to deliver shots from shot separator Vendor to accept to classifier From the classifier usable shot sizes should be sent to the blast generator 07 04 Drive motor power 2 HP or more Vendor to accept amp provide details 07 05 Separate classifying device should be provided for each shot size and the machine should be Vendor to accept capable of using the correct one automatically depending on the shot size selected by the operator panel 08 00 6 AXIS ROBOT WITH CONTROLLER UNIT AND TEACH PENDANT 08 01 Robot supplied should have coordinated movement with turntable to move the blast nozzle Vendor to accept in a curved path to cover the fir tree root flanks of both concave and convex curvatures of the steam blades All movement should be programmable 08 02 Robot should be of FANUC make or equivalent reputed make Vendor should offer details Vendor to accept of robot being supplied 08 03 Integrated Controller should be provided Details of the controller to be submitted along with Vendor to accept the technical offer 08 04 Teach Pendant with cable should be provided 10 m cable length 08 05 The robot should have high sensitivity collision detection provision Vend
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