Homi Bhabha Road, Colaba, Mumbai – 400 005.
A Deemed University
Telephone : +91-22-2278 2316/2886/2887/2888
Purchase Fax : +91-22-2280 4566
Website : www.tifr.res.in
Email : psmurthy@tifr.res.in
: sheela@tifr.res.in
: madhuram@tifr.res.in
: mayraj@tifr.res.in
PUBLIC TENDER NO. : TFR/PD/IC8-164/PUB
DUE DATE
COST OF TENDER
: 21.11.2008
: Rs. 500/-
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CNC Co-ordinate Measuring Machine for Central Workshop … 1 Set
As per our technical specifications.
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Closing time and date : 13.00 Hours on 21.11.2008
Tender will be open at : 14.00 Hours on 21.11.2008
Tender to be submitted within the due date and time.
Please see attached sheet for conditions of tender.
P. S. MURTHY
Purchase Officer

1. MACHINE TYPE: CNC 3 D CO-ORDINATE MEASURING
MACHNE
1.1 Construction: Traveling bridge, stationary table type of construction with wrap around Yguideways to provide high torsion rigidity during bridge movement.
1.2 Measuring Stroke:
1.3 Surface Plate:
X = 700 mm
Y = 700 mm
Z = 600 mm
Granite Surface plate matching to above measuring range with M8X1.25 mm threaded inserts equally spaced at 200 mm grid in X & Y direction
1.4 Maximum Part Weight:
1.5 Machine Control:
700 Kg or better
1.6 Essential/Desirable features: a) Full closed loop microprocessor based CNC system with vector control b) Manual control with Portable Joystick operation
Mentioned below
2. ESSENTIAL FEATURES:
2.1 Resolution for X, Y, Z axes: 0.2 microns
2.2 Measuring uncertainty independent of the position of the spindle:
As per ISO 10360-2
Max Permissible Error - E in mm = 1.8+
L/300
MPE - P in mm = 1.8
As per ISO 10360-4
MPE - THP = 2.5 in 68 sec
MPE - RONt = 1.8 mm

Notes:

Length of the probe used to measure the above measuring uncertainties to be specified. Also please specify in detail how the accuracies will be checked. The gauges used for proving accuracy should be traceable to national/international standard. Linear, Volumetric Scanning accuracies to be proved with the same probe head

Scanning accuracy should be checked in XY, XZ, and YZ plane by scanning 50mm 00 grade ring gauge

All the accuracies are to be proved with the same probe
2.3 Machine & Control system power supply: Single phase, 230 V, 50 Hz
2.4 Accuracy should be guaranteed in the following operating temperature gradients:

Ambient temperature:

Variation per hour:

Variation per day:

Variation per meter:

Humidity:
3. DESIRABLE FEATURES:
3.1 Measuring System:
18 - 22º C
1.0 º C / hour
1.5 º C / day
1.0 º C / meter
40% - 90% Non condensing
Linear Scales with high resolution and thermal stability and photoelectrical reading heads on all 3 axes
3.2 Thermal Compensation: Thermal compensation system to be incorporated in the machine for better accuracies
3.3 Error Compensation: The machine should have advanced parameters Computer Aided Error correction (CAA Correction) for better accuracy
3.4 Calibration Sphere: Two ceramic calibration spheres (with proper mounting arrangements) to be supplied with traceable calibration certificates
3.5 Air bearings should be provided in all 3 axes
3.6 All the scales, guide-ways, drive system etc. to be completely covered and protected
3.7 Electrical & Mechanical stoppers apart from software limits to be provided on all X, Y & Z axes

3.8 Drive system movements should be motorized; all moving parts should slide on wear-proof guide to achieve minimum stick-slip ratio and long life. It should be possible to vary the speed of movement of the axes from 0 to 70 mm per second in manual mode, CNC speed up to 300 mm/sec along each axis and in vector direction should be possible. It should also able to select speeds from computer
3.9 Machine should be compatible to both Fixed scanning probe head and
Motorized indexing probe head
3.10 Vibration Control:

The machine should have variable stiffness damping system for high external vibration isolation

The entire machine to be mounted on air dampers to avoid the transmission of vibration on to the machine

Vibration performance of the machine to be demonstrated
4. PROBE HEAD: Active Scanning Probe Head
4.1 Universal six-directional probe head with linear and torsion wise rigid spring parallelogram, linear motors (Electro-magnets) for measuring force generation with linear measuring system, with minimum 0.1 micron . resolution, suitable for static zero point, single flank and double /self-centering measurements.
4.2 Should be capable of fast continuous or uninterrupted scanning measurement with scanning resolution of minimum 0.1 micron , with built-in inductive measuring system. Also should able to scan in incline planes/bores.
4.3 Other features

Minimum Probe head reflection range 5 mm for collision protection

Data acquisition rate should be at least 100 points per second , in continuous scanning mode

Scanning speed be 100mm/sec or better
4.4 Should have provision for recognizing whether probe combination is fixed on the probe head or not independent selection of probe axis locking for allowing different probing possibilities
4.5 Should be able to carry probe tips up to including adapter plate 500 gm/500 mm extensions. The tip extension, adaptors and probe body should be collision protected. Smallest dia probe that can be used on the machine should be 0.5 mm
4.6 User must able to change probe configurations having probe length minimum
25mm to 500 mm without probe calibration
4.7 Measuring force continuously variable from 0.05 to 1 Newton with direction selection
4.8 Auto/Manual probe changing


Probe head must have manual/automatic probe change facility enabling the operator to use different probe configurations without recalibration.
Supplier to quote for the necessary accessories allowing user to use minimum 4 probe configuration in one CNC Run with calibration.

Manual magnetic clamping of probe tip combination on discs with probe change repeatability of position less than 1 micron over 200 mm

Software must allow to store 999 probe configurations calibration data
4.9 Built-in protection should be provided in the system against the damages caused by the collision of the entire probing system including probe extensions with the component under inspection
4.10 A suitable probe kit with various extensions should be made supplied.
Details of the probe kit offered to be submitted.
5.0 WORK STATION BASED COMPUTER SYSTEM - 1 No
Computer should have the following features or better (Comparable to HP XW
8600)

Xeon Intel Quad - core Processor

250 Gb HDD

4 Gb RAM

Graphic card with 512 MB V-RAM
(Compatible to Pro-E and IDEAS)

Keyboard, Optical scrolling mouse

DVD reader and writer
 21” Tabletop LCD monitor

Ethernet card

Make HP/ IBM / DELL

Windows operating system

HP Color Laser printer
6.0 APPLICATION SOFTWARE:
Application Software should have the following features:
6.1 OPERATING MODES:
6.1.1 direct joystick measurement
6.1.2 Self teach programming
6.1.3 3D CNC programming
6.1.4 Offline programming without CAD model
6.1.5 Offline programming with CAD model including probe path simulation and verification
6.2 FLEXIBLE OPERATIONS:

6.2.1 Single page icon based software for ease of use
6.2.2 3D Solid model part representation
6.2.3 DMIS in, DMIS out
6.2.4 Multimedia help – voice, video and text
6.3 INTELLIGENT MEASUREMENT:
6.3.1 Import of CAD file with GD&T data for virtual programming.
6.3.2 Intellectual feature determination algorithms (IFD’s)
6.4 GRAPHICAL PROGRAMMING:
6.4.1 Inspection programs to be created directly from CAD data
6.4.2 Simulation and verification of offline programs
6.4.3 3D solid model part and fixture visualization
6.4.4 Full CMM kinematics
6.4.5 Library of standard probe heads, probes, styli and accessories
6.4.6 Virtual display of collision detection during offline programming
6.5 CANNED CYCLES FOR EASY PART INSPECTION:
6.5.1 Software should have canned cycle feature i.e. software should be able to generate the programs for automatic measurement of PCD holes if radius, angular orientation of PCD holes, total number of PCD holes and no of probing points are specified.
6.5.2 Canned cycle should be handled by combination of probes
6.6 Flexible part co-ordinate system (20 or more)
6.7 Mathematical alignment of work piece
6.8 The scanning application software should provide profile / curve coordinates at required grid stations with proper vector probe radius compensation
6.9 Comprehensive profile/curve analysis package with visual representation of scanned profile, profile values at required station, actual to nominal deviation, best fit etc
6.10 Measurement Interfaces for IGES, STEP etc
6.11 Measurement interface for PRO-E and IDEAS (to be quoted optional)
6.12 Software to be compatible to latest version of DMIS format
6.13 Facility to have joy Stick control in work piece co-ordinate system
6.14 BASIC GEOMETRIC SHAPES
6.14.1 Application software should support direct measurement of the features (max. no. of points - 1000 or more) of POINT, LINE, PLANE,
CIRCLE, CYLINDER, CONE, SPHERE, ELLIPSE, ARC OF A CIRCLE

6.14.2 For Line, Plane, Cylinder, Cone projected angles (XY, YZ and ZX plane) and direction cosines (i, j, k) to be displayed simultaneously or by off
/on
6.14.3 Maximum, Minimum, Standard deviations and No. of Points measured for geometric elements should be given with the output of measured element for all the above geometrical shapes
6.14.4 Measured point database to be maintained for geometrical features. If required some points may be deleted and should be possible to recalculate the feature without re-measuring the geometric feature
6.14.5 If computer system is shutdown, coordinate points measured till that time to be recovered
6.15 GEOMETRIC CONSTRUCTION:
6.15.1 Standard geometric features (mentioned at 6.14.1) are to be created with standard input data. The created geometric feature is to be used for measurement analysis. For example CIRCLE feature to be created with centre coordinates and diameter of circle as input data
6.15.2 Standard geometric features (mentioned at 6.14.1) are to be constructed on the basis of measured data.
6.16 PROJECTION: Software should support the projection of basic geometric shapes (mentioned at 6.14.1) to selected plane
6.17 DISPLACEMENT:
6.17.1 Displacement of a point by known distance and angle
6.17.2 Displacement of a line by known distance / passing through a known point
6.17.3 The plane can be displaced by a particular distance / passing through a point
6.18 DEFINITION OF COORDINATE SYSTEM:
6.18.1 Co-ordinate system plane (XY, YZ, ZX planes)
6.18.2 Co-ordinate system axis (X, Y, Z axis)
6.18.3 Operator should have option to select any co-ordinate system plane or space axis
6.19 CONVERSION:
6.19.1 Conversion of Cartesian to Polar & Spherical coordinates
6.19.2 Conversion of Polar & Spherical to Cartesian coordinates
6.19.3 Operator should have option to see both Polar and Cartesian coordinates of geometric features (For example center coordinates of
CIRCLE feature to be displayed with Cartesian coordinates X, Y and Polar
Coordinates Radius, Angle)
6.19.4 It should also have an option to see angles in degrees-minutesseconds
6.20 INTERSECTIONS:
6.20.1 line - line
6.20.2 line - circle

6.20.3 circle - circle
6.20.4 line - plane
6.20.5 plane - plane
6.20.6 sphere - plane
6.20.7 sphere - line
6.20.8 line - cone surface
(Two intersection points to be shown simultaneously)
6.20.9 line - cone axis
6.20.10 line - cylinder surface
(Two intersections to be shown simultaneously)
6.20.11 line - cylinder axis
6.20.12 plane - cone surface
6.20.13 Operator should have option for viewing intersections of geometrical constructions graphically. If required, intersections to be zoomed. Intersection co-ordinates (X, Y and Z) to be displayed
6.21 DISTANCE:
Direct distance between the following elements and distance along each axis
X, Y, Z to be given simultaneously:
6.21.1 Between point like elements (points, circles, spheres)
6.21.2 Between line like elements (lines, cylinders, cones)
(Minimum, Maximum direct distance)
6.21.3 Between point and plane
(Distance to be given in the direction normal to plane)
6.21.4 Between point and line
(Distance to be given in the direction normal to line)
6.21.5 Between plane and plane
(Minimum, Maximum distance between elements)
6.22 SYMMETRY:
6.22.1 Between two point like elements (points, circles, spheres)
6.22.2 Between two line like elements (lines, cylinders, cones) (two symmetry lines to be given in case of inclined lines)
6.22.3 Between two planes (two symmetry to be given in case of intersecting planes)
6.23 ANGLE:
6.23.1 Angle between two line like elements (lines, cylinders, cones)
6.23.2 Angle between two planes
6.23.3 Projected angle of elements (lines, cylinders, cones) with reference planes (XY,YZ & ZX)

6.24 TOLERANCES:
CMM software should support calculation of the following ISO standard tolerances
6.24.1 Angularity
6.24.2 Axial Runout
6.24.3 Co-axiality
6.24.4 Concentricity
6.24.5 Conicity
6.24.6 Cylindricity
6.24.7 Flatness
6.24.8 Parallelism
6.24.9 Position Tolerances ( Input may be Cartesian and polar)
6.24.10 Radial Runout
6.24.11 Roundness
6.24.12 Sphericity
6.24.13 Squareness
6.24.14 Straightness
6.24.15 3D Position Tolerance (for radial holes)
Operator should have choice for viewing tolerances graphically
6.25 NOMINAL VALUES
Software should allow input of nominal values given for all types of geometric elements (as per 6.14.1). Deviations of actual measured elements from the nominal values are to be given. It should be possible to turn off this feature
6.26 ALIGNMENT & TRANSFORMATIONS
Software should provide support for alignment of the object to be measured including the following features:
6.26.1 Rotation of the object to be measured about any axis in space
(Rotation of plane or line like elements) (Rotate space)
6.26.2 Rotation of the object to be measured about any axis in plane
(Rotation of point or line in a plane) (Rotate plane)
6.26.3 Creation of multiple co-ordinate systems with alignment system
6.26.4 Shifting of origin and rotation of axis of the co-ordinate system
6.26.5 Facility for viewing the measured results (X, Y and Z / R, Theta and Z / i, j and k) and probe tip position (X, Y and Z) in current co-ordinate system
6.27 PROBE COMPENSATION:
The software should automatically compensate for the probe center offsets during measurement of geometric elements including curves, profiles and free form surfaces (in normal measurement operations, point to point scanning and continuous scanning applications)
6.28 ELEMENT NAMING (maximum 20 characters or better)

Software should allow the user to give names of measured and generated elements. If the user does not enter a name for an element, the system should automatically generate a default name based on the type of object.
Software should allow rename the measured element, if required
6.29 MEASUREMENT SESSIONS (session name max. 20 characters)
6.29.1 Software should allow all information pertaining to a measurement session to be saved at any point during the measurement process (saving the session)
6.29.2 User should be allowed to retrieve all the information about previously saved session (reopening of old session)
6.29.3 Software should allow the user to delete any element or session if required
6.30 PRINTING:
6.30.1 System should support on-line printing of measurement data on to a printer. There should be an option of printing to a file, which can then be printed off line (all the measurement events to be printed.)
6.30.2 All the operations that are carried-out during measurement (Like origin shift, displacement, mathematical alignment etc.) to be printed
6.30.3 Software should allow printing of selected element
6.30.4 Software should allow saving of compensated probed points in a session file
6.30.5 Software should allow printing of form tolerances (form tolerances to be displayed & printed graphically)
6.30.6 Reporting system to be compatible to Microsoft Excel
6.31 2D CURVE MEASUREMENTS
During unknown 2D curve measurement, it should be possible to give coordinates of unknown curve at required grid station (with probe compensation in curve true vector direction). Software should be capable of scanning the unknown curves at definite interval in point to point scanning mode and continuous scanning mode
6.32 3D SURFACE MEASUREMENT (To be quoted optional)
Software should be capable of scanning any complex 3D surfaces. During unknown 3D surface measurement, coordinate points of unknown 3D surface to be given with true vector compensation of probe
6.33 Software to be compatible to laser 3D scanning probe head, contact scanning probe head, motorized indexing probe head
6.34 SOFTWARE BACKUP (in CDs): Three (3) sets of back up should be provided for the application software
6.35 APPLICATION SOFTWARE UP GRADATION: Upgraded software has to be provided (up to 3 years from the date of installation) for the entire
Application Software supplied

7.0 DOCUMENTATION:
The following documents (hard copy & CD) to be provided
7.1 Operations & Application Software Manual

Hard Copy - 3 sets

CD form (licensed) - 1 set

Operations & Application Software manual should explain all the measurement operations, applications of the system with sketches and detailed explanation
7.2 System Administration & Maintenance Manual

Hard Copy - 3 sets

CD form (licensed) - 1 set

System Administration & Maintenance Manual should explain the detailed system configuration (mechanical and electrical) and administration including control system, electrical wiring with the help of sketches.
System manual should explain known possible errors and the solution for the same
8.0 SPARES: (TO BE QUOTED OPTIONAL):
Standard spares for machine system for 2-year normal operations
9.0 ACCEPTANCE & TRAINING:
9.1 Inspection of the CMM (as per TIFR specs.) at manufacturer's work place by
TIFR engineers prior to dispatch of the system
9.2 Detailed training for Two engineers for 2 weeks to be provided at manufacturer's works in the areas of:
9.2.1 Operations, Applications, CAD based measurement, CNC programming
9.2.2 System Maintenance & Calibration of machine for CAA correction
10.0 QA PLAN:
10.1 Confirmation of machine features listed at clauses 1,2,3,4 & 5 of specs.
10.2 INSTALLATION, COMMISSIONING AND PROVE OUT THE MACHINE
ACCURACY:
10.2.1 Machine to be installed and commissioned at TIFR, India by supplier free of cost
10.2.2 Accuracies of the machine (clause 2) to be checked (as per ISO 10360
-2 and ISO 10360 - 4) and valid calibration certificate (traceable to international standard) has to be produced for machine system and prove again the machine accuracy as per clause 2 of specs after installation and commissioning at TIFR
10.2.3 All the machine features mentioned in specifications to be demonstrated at TIFR after installation and commissioning

10.3 Calibration, error mapping and CAA correction should be taught by manufacturer to TIFR engineers and license key & password for CAA correction of the machine to be open for users.
10.4 Computer System, Application software and Diagnostic software should be demonstrated at TIFR as per TIFR specifications clause 6
10.5 Documentation to be supplied as per clause 7
10.6 Inspection and Training as per clauses 9
11.0 WARRANTY:
11.1 Comprehensive warranty for two years for the entire system from the date of commissioning of the machine at TIFR
11.2 Minimum two recalibrations (other than calibration at the time of installation), complete error mapping and CAA correction to be done by manufacturer / service providers and original system accuracies has to be proved as per clause 2 of specs during warranty period. First calibration just before the completion of one year (during 12 th month) and second calibration just before the expiry of warranty period of two year (during 24th month)
12.0 ANNUAL MAINTENANCE CONTRACT (AMC) AFTER WARRANTY:
(TO BE QUOTED OPTIONAL)
The firm should be capable to take up AMC of the entire system after expiry of the warranty. AMC offer to be given
13.0 PRODUCT SUPPORT:
13.1 The manufacturer shall confirm his capability to support the spares, maintenance calibration and after sales service of the complete system after erection & commissioning, during and after the warranty period, either directly or through authorized service representative positioned in India. The supplier should ensure support for a minimum period of 10 years
13.2 Original equipment manufacturers (OEMs) or local representatives/service providers authorized by OEMs only should quote. In case of local representatives / service providers copy of authorization letter from OEM to be produced
13.3 The machine supplied should be a standard product of OEM and standard catalogue to be provided
13.4 In case of foreign vendor, local service representative details to be provided
13.5 The service support should be in such a manner that, it is made available within a period of 3 days in an event of problem or breakdown of machine
13.6 The supplier should provide the list of users using similar machine in India

Homi Bhabha Road, Colaba, Mumbai – 400 005
(A DEEMED UNIVERSITY)
Terms and Conditions
1.
Offer should be on the basis of Ex-works, duly packed airworthy.
2.
The amount of agency commission (percentage) payable to the local Indian
Agents, if any, should be stated in the Commercial Offer. This will have to be deducted from the Export invoice of the foreign supplier and will be paid in rupee currency.
3.
Tender Forms can be obtained from the Purchase Section on payment of the tender fees (non-refundable) of Rs.500/- by cash/Demand Draft in favour of Tata
Institute of Fundamental Research, Mumbai, to the cashier, Accounts Department on any working day between 11.00 a.m. to 12.30 p.m. and 1.00 p.m. to 3.00 p.m.
4.
The firm who wishes to download the specifications, terms and conditions may do so. While submitting the quotation, a DD of Rs.500/- for each tender drawn in favour of Tata Institute of Fundamental Research, Mumbai may please be enclosed along with Technical Bid. Foreign Suppliers prepare advance cheque for US$100/-.
5.
Quotations must be valid for a period of 90 days from the date of opening of the commercial bid.
6.
Tenders shall be submitted in sealed envelopes duly superscribed with the Tender
Enquiry Number and the due date in bold letters addressed to the Purchase
Officer, Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba,
Mumbai - 400 005. Tenders sent by hand delivery may be deposited in the
Tender Box kept at the Main Gate after obtaining stamp, date and signature of the
Security Officer before 1300 hrs on the due date specified. Tenders will be opened in the presence of attending tenderers on the due date at 14.00 hrs on the same day.
7.
Tenders containing correction, overwriting will not be considered.
8.
Tenders which do not comply with the above conditions are liable to be rejected.
9.
If equipment offered is to be imported, arrangements for import will be made by us.
10.
The Institute shall be under no obligation to accept the lowest or any other tender received in response to this tender notice and shall be entitled to reject any tender without assigning any reason whatsoever.
11.
We reserve the right to place the order for part/reduced quantity than what is specified in the tender.
PURCHASE OFFICER