Technical Specifications For Up-gradation of Vertical ...

1 RRCAT/ACDFS/SR/VTL/2014/1. Technical Specifications For Up-gradation of Vertical Turret Lathe machine INDEX. S. No. Contents Page no 1. Introduction 2. 2. Qualification criteria of bidder 2. 3. Terms and conditions 2. 4. Scope of Work 3. 5. Existing configuration of machine 4-5. 6. Other features of existing machine 6. 7. Supply of CNC system 6. 8. Features of CNC system 7. 9. Spindle Table Encoder 7. 10. Spindle Drive Module 8. 11. Electrical scope of supply 8. 12. Electrical design 8. 13. Mechanical scope of work 8. 14. Supply of Documents 9. 15. Important notes to Bidder 9.

2 16. Acceptance Criteria 10. 17. Warranty 10. 18. Duration of Work 10. 19. Annexure-I: Work execution certificate 11. 20. Vertical Turret Lathe machine photograph 12. Test job drawing no. RRCAT/SRF/RC/FMDI/101/R6 and 21. 13-14. RRCAT/SRF/RC/FMDI/101/R7. 22. Compliance Chart 15-19. 1. 1. Introduction The Vertical Turret Lathe machine is located at Accelerator Component Design and Fabrication Section of RRCAT. VTL Dynacut-150 machine was procured from Kirloskar, India and was installed at RRCAT in year 1990. The machine is having Fanuc controller and drives for axes movements. Machine is equipped with independent DC drive for spindle.

3 2. Scope of work This specification covers the requirement for supply of CNC controller, Drive units for all axes and spindle, operator and power panel, design of electrical system, electrical connections, PLC development, commissioning of machine and inspection after up- gradation . The scope of work for Up-gradation of VTL machine includes: 1. Supply, installation and commissioning of CNC controller, drive modules and servomotors for two axes control. 2. Supply, installation and commissioning of DC drive for existing spindle motor 3. Supply and installation of spindle table encoder 4.

4 New operator pendant 5. New power panel with suitable capacity panel air conditioner for all CNC hardware, drives and electrical switchgears. 6. New wiring of control and power panel. 7. Supply, mounting and installation of ball screw for Z-axis. 8. Vertical mounting arrangement of Z-axis servomotor to be done. 9. Supply and installation of wipers for axes, V-belts for spindle chuck drive and new bellow cover/telescopic cover /molded rubber cover for X-axis 10. Laser calibration of X-axis and Z-axis 11. Test job to be machined as per drawing nos. RRCAT/SRF/RC/FMDI/101/R6 and RRCAT/SRF/RC/FMDI/101/R7.

5 3. Qualification criteria of the bidder: The bidder must meet the following criteria to qualify for the bid. The bidder shall give an undertaking to provide warranty/guarantee certificate with Serial no. of items supplied to RRCAT from OEM of the CNC controller, axes and spindle drive at time of supply. Only the bidders having capacity and at least two years experience in the field of up- gradation /retrofitting/reconditioning of VMC/HMC/Special purpose machine tools/ Vertical Turret lathe machines including complete scope of electronics, electrical and mechanical work are eligible to bid.

6 The bidder shall have done Up-gradation /retrofitting/reconditioning of at least one Vertical Turret lathe machine of similar design & capacity. Bidder must submit letter from customer 2. in the prescribed format as in annexure-I of Specifications . Bidder shall provide detailed information about the scope of work completed on that machine including electronics, electrical and mechanical work. Bidders are requested to give a list of their customers in India where they have done up- gradation /retrofitting/reconditioning work of VMC/HMC/VTL machines. At least one such up-graded/retrofitted machine shall be located in Government / PSU /industrial unit in India and working in satisfactory condition with proper service support from bidder.

7 Bidders shall mention customer/company details including name of the contact person, complete mailing address, email and phone number in the bid. These contact details will be used for mailing official enquiries about bids. Clarification / information asked by the purchaser shall be provided in the set time limit, failing which the bid may be rejected. The bidder shall confirm his capability to support the spares, maintenance, calibration and after sales-service of the complete system after Up-gradation /reconditioning work during and after the warranty period. 4. Terms & Conditions: Two part public tender procedure comprising of two separate bids shall be followed as given below.

8 Part I. Technical bid. It shall also contain un-priced bid of price bid offer. Part II. Price bid (shall include break-up of cost for all the major sub-systems, testing, etc.). Documents to be submitted with Part-1, Technical Bid . Bidder is required to submit following documents with the Technical bid failing which his offer is liable to be rejected. Compliance chart is important part of these Specifications . Point wise confirmation of compliance chart duly signed with company seal shall be submitted along with offer. Completely and unambiguous filled compliance chart shall be submitted at the time of offer.

9 Bids with improper information/ambiguity/non-submission of the compliance chart will be liable for rejection. Make and model of components/bought out items like CNC controller, spindle drive, spindle encoder, ball screws, etc shall be clearly mentioned in compliance chart. Bidder shall submit tentative weekly execution plan detailing scheduled execution of this work. Work execution certificate in prescribed format as in annexure-I on letter head of company duly signed and with seal of company. List along with contact details of their customers in India where they have done up- gradation /retrofitting/reconditioning work of VMC/HMC/VTL machines along with detailed information about the scope of work completed on that machine including electronics, electrical and mechanical work.

10 3. 5. Existing configuration of machine The machine was installed in year 1990 at RRCAT. The machine was conventional VTL and later on retrofitted with FANUC CNC control, servo motors and drive modules for two linear axes. The drive to DC spindle motor is fed by Kirloskar- TRK6 DC drive module. Description Make Make and Model Parameters CNC Controller Fanuc O-TC. Type- A02B 0098 B511. X- Axis Motor Fanuc Model 30 S Torque (Stall) 37 Nm, 3 Ph, Current (stall) 16 Amp, Type - A06B 0590 B005 Voltage 156 V, 8 poles, Insulation Class F, RPM 1200. Excitation Permanent Magnet Pulse coder Z-Axis Motor Fanuc Model 30 S Torque (Stall) 37 Nm, 3 Ph, Current (stall) 16 Amp, Type - A06B 0590 B205 Voltage 156 V, 8 Poles Insulation Class F, RPM 1200.