request for proposal (rfp) for procurement of cnc milling ......ahmedabad- 380015 india 2 this...
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Request for Proposal (RFP)
For Procurement of
CNC Milling cum Routing Machine
for Honeycomb/Composite/Aluminum Structures
Space Applications Centre (SAC)
Indian Space Research Organization (ISRO)
Ahmedabad- 380015
India
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This document contains proprietary information of SAC/ISRO, Ahmedabad. Unauthorized
copy or reproduction of this document in whole or in part without the prior written
consent of SAC/ISRO is strictly forbidden.
SAC/ISRO reserves the right to alter this information at any time without notice.
Abbreviations/Definitions:
RFP - Request for Proposal
SAC - Space Applications Centre
ISRO - Indian Space Research Organization
Purchaser - Space Applications Centre
Bidder - The Firm which is participating in Bid
Vendor - The Firm on whom order is placed
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Content
1 General background 4
2 Scope of supply 4
3 Overall unit requirement 4
4 Technical specifications 5
4.1 Type of machine 5
4.2 No. of Simultaneously controlled axes 5
4.3 Size of machine 5
4.4 Construction 5
4.5 Electrical Compatibility 5
4.6 Spindle 6
4.7 Accuracy 6
4.8 Control Features 7
4.9 CAD/CAM Software 7
4.10 Documentation 7
4.11 Safety 8
4.12 Language 8
4.13 Accessories/Attachment/Wear Parts/
Spares/Consumable Requirements
8
4.14 Optional Items 8
5 Machine acceptance test 9
6 List of deliverables 9
7 General Instructions 9
8 Terms and Conditions 10
9 Bidder qualification criteria 11
10 Warranty 11
11 Technical and Commercial Bid 12
11.1 Instruction for technical bid (Part-I) (Without Prices) 12
11.2 Instruction for commercial bid (Part-II) 12
12
Annexure-1 Format for compliance statement
13 to 22
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1.0 General background
Space Applications Centre (SAC/ISRO) is currently engaged in the development of various
projects for communication, navigation and remote sensing applications. For development
of these projects, various honeycomb / composite material / solid aluminum components
are required to undergo machining processes.
SAC intends to procure, CNC Milling cum Routing Machine for honeycomb /composite
/aluminum structures which should fulfill all requirements/specifications mentioned in this
document.
2.0 Scope of supply
Bidder shall submit the proposal for the supply of a Brand New and Non-refurbished CNC
Milling cum Routing Machine for honeycomb /composite /aluminum structures to SAC to
meet the requirements / specifications mentioned in this document. The proposal should
include all components mentioned in the list of deliverables (Refer Para 6.0).
The successful bidder has to supply all components of the CNC Milling cum Routing
Machine for honeycomb /composite /aluminum structures mentioned in this RFP, install
and commission the machine at SAC, demonstrate the performance and accuracy as per
Acceptance Test plan, provide Training, and give warranty as per the P.O. terms and
conditions.
Bidder has also to supply necessary operating manual, training manual (if any), maintenance
manual etc. as mentioned in this RFP document.
Bidder should fill up details against each of the requirements of the compliance statement
(Annexure-I) submitted along with this tender document.
Bids should be submitted against this RFP in two parts. Part 1 should consist of “Technical
+ unpriced commercial bid” and part 2 should consist “Commercial bid. (Refer Para 11.0)
3.0 Overall unit requirement
The unit should comprise the following components: -
Description Quantity
CNC Milling cum Routing Machine for honeycomb
/composite /aluminum structures (4 Axis)
[Confirming to Notes (#)]
01 Unit
Accessories / Attachment / Wear Parts / Spares / Consumable
Requirement As per para 4.13
Optional Items As per para 4.14
(#) Notes
1. Technical Specifications ; General Instructions ; Terms and Conditions ; Machine
Acceptance Test ; Bidder Qualification Criteria ; Warranty ; as mentioned in RFP
2. Format of Compliance Statement to be submitted with quotation is as per
Annexure - I
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4.0 Technical specifications
4.1 Type of Machine: CNC Milling cum Routing Machine
for honeycomb /composite /aluminum structures.
4.2 Number of Simultaneously Controlled Axes: Four
(X, Y, Z - Linear Axes and A – Rotation Axis as tilting head)
4.3 Size of machine
4.3.1 Longitudinal Travel 4600 mm to 5100 mm
4.3.2 Cross Travel 2600 mm to 3100 mm
4.3.3 Vertical Travel 450 mm to 600 mm
4.3.4 Rotation Axes +/- 100o or more
4.3.5 Clamping area on Work Table (L x W) 4600 mm x 2600 mm or more
4.3.6 Load carrying capacity of Work Table 2000 Kg or more
4.4 Construction
4.4.1 Stress Relieved Bridge Type Structure with very high stiffness and strength,
dampening vibration and deflection.
4.4.2 Solid Polymer Concrete / Granite / Cast Iron made of Fixed Machine Work
Table.
4.4.3 Auto Tool Changer (ATC) with 10 or more tools.
4.4.4 Following two types of Clamping arrangements are required on Hybrid
Table.
4.4.4.1 Universal Vacuum Fixtures, with all related accessories including
vacuum pump (147 CFM or more open flow), motor, etc., for
clamping arrangement on whole Work Table surface.
4.4.4.2 Mechanical Clamping by Threaded Holes/T-Slots on the table, with
all related tools/attachments.
4.4.5 Rigidity of machine structure should be to take up feed rates of 30 m/min
(on all axes) or more.
4.4.6 Software assisted automatic centralized lubrication system is required.
4.4.7 Highly effective Chip/Dust Suction/Extraction System on Head, for chip/dust
free working condition is required with all related accessories / attachments.
4.4.8 Close loop system with Linear Glass scale feedback for all the axes.
4.4.9 Preloaded recirculating linear ball bearings on Y and Z axes. Helical rack and
pinion on X axis.
4.4.10 Spray cooling provision is required. (Oil-Mist/Ethanol-Air)
4.5 Electrical Compatibility
Machine should work on 415 V +/- 10% Volts (phase to phase), 50 Hertz, 3 Phase
power supply. If machine does not work on 415 V, necessary step up or step down
transformer shall be provided by manufacturer as a part of the machine.
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4.6 Spindle
4.6.1 Maximum RPM 18,000 or more
4.6.2 RPM range 3,000 to 18,000 or more and infinitely variable
4.6.3 Spindle Taper HSK A63
4.6.4 Cooling Liquid cooled and with separate spindle chiller unit
4.6.5 Spindle make Kessler / Siemens-Weiss / Fehlmann / Steptec /
Hermle / GMN / Fischer / BFW / Jyoti / HSD
4.6.6 Spindle power 15 KW (S1 duty rating) or more
4.7 Accuracy
4.7.1 Positional uncertainty(P) in X,
Y, Z axes
X and Y: 0.030 mm or Better,
Z: 0.020 mm or Better,
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441
standard, 0.030/0.020 mm is total
spread and it should not be treated as
+/- 0.030/0.020 mm)
4.7.2 Positional uncertainty(P) in A
axes
20 sec or Better,
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441
standard, 20 sec, is total spread and it
should not be treated as +/- 20 sec)
4.7.3 Maximum positional scatter
(Pmax) in X, Y, Z axes
X and Y: 0.020 mm or Better,
Z: 0.016 mm or better,
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441
standard, 0.020/0.016 mm is total
spread and it should not be treated as
+/- 0.020/0.016 mm)
4.7.4 Spindle Bore and Face Run-out 0.005 mm or Better
4.7.5 Flatness of Work Table 0.100 mm or Better
(Should not be convex)
4.7.6
Squareness of movement (X
axis to Y axis, X axis to Z axis,
Y axis to Z axis)
0.020 mm per 300 mm or Better
4.7.7 Parallelism of Spindle axis with
respect to Z-axis
0.020 mm per 300 mm or Better
4.7.8 Straightness of X, Y & Z axes 0.020 mm per 300 mm or Better
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4.8 Control Features
4.8.1 Make and Model Siemens 840D / Heidenhain iTNC530 /
Thermwood QCore / Equivalent Higher Version
4.8.2 Electronic Hand
Wheel
CNC Hand-held control unit having Dust-
protected keyboard with function keys and
Electronic rotating actuator for high-precise
positioning, with magnetic holder, which should
work in the steps of 0.001 mm, 0.010 mm &
0.100 mm for all axes movements
4.8.3 Screen (display) 15” or more TFT / LCD Chip-proof color
screen.
4.8.4 Program input
resolution
0.001 mm for all linear axes,
0.001 degree for rotary axes
4.8.5 Look ahead number of
blocks
100 blocks or more
4.8.6 Block Processing time 2 mille seconds or less
4.8.7 Interpolation 4 axes simultaneous
4.8.8 Hard Disk Memory 1 GB or more
4.8.9 Program Memory
(NC)
6 MB or more
4.8.10 Integrated Machining
Cycles with GUI
Profiling, Drilling, Chamfering, Pocketing,
Irregular shaped pockets with multiple islands.
4.8.11 Verification Graphics Graphical simulation before a program run
4.8.12 Synchronous graphics Graphical simulation during machining.
4.8.13 Simulation
presentation
Top view, representation in 3 planes, 3D
representation , selective enlargement
4.8.14 Data Transfer
Interface
USB and RJ 45 Ethernet (Both are required)
4.8.15 Provision for part programming of next job while machining of a job is
going on.
4.8.16 Parametric programming facility is required.
4.8.17 Provision for drop control for Z axis. In case of power failure, drop in Z
axis should be minimum possible.
4.8.18 Provision for controlling rapid feed and Machining feed
separately.(Separate knobs for controlling machining feed and rapid feed)
4.8.19 Cycle for kinematics calibration of rotary axes (RTCP calibration cycle)
using calibration sphere should be provided in the control.
4.9 CAD/CAM software
Bidder should offer CAD/CAM software for preparing part programs including 3D
Surface machining. OR Provide post processor for UGNX CAM software.
4.10 Documentation
Two sets each of Machine Manual, Programming Instructions, Electronics/Electrical
/Hydraulic /Pneumatic Circuit Diagrams, Maintenance Manual, etc. should be
supplied with machine in English language. Minimum one set of hard copy of manual
should be supplied.
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4.11 Safety
Provision for Safety against over runs, collisions and excessive load / torque
conditions.
4.12 Language
All the documents and control panel displays to be in English language.
4.13 Accessories/Attachment/Wear Parts/Spares/Consumable Requirement
If any of the following items are not provided along with the machine as standard
item, same must be quoted separately.
4.13.1 Renishaw / Blum / Heidenhein make laser assisted Tool
measuring/monitoring System.
Repeatability: ± 1 micron OR Better
Range of diameter measurement: 0.1 mm to 50 mm
4.13.2 Renishaw / Blum / Heidenhein make Touch Probe for Job measurement and
taking work offset with software. Bidder should attach catalogue of the item
offered.
Touch probe repeatability: ± 1 micron OR Better
4.13.3 Chiller for Spindle.
4.13.4 Spindle coolant for first fill up
4.13.5 Voltage Stabilizer with Isolation Transformer of reputed brand (Neel / Suvik
/ Aplab / Equivalent). Capacity of the equipment should be at least 5 KW
more than peak power requirement of the machine.
4.13.6 Wear Parts and Consumables for two years smooth functioning of the
machine. (Bidder should attach the list of the items with technical details in
Part-I and quoted separately in Part-II).
4.13.7 Any other utilities or items, which Bidder may consider necessary for smooth
and efficient functioning of the machine should be listed in part-1 and quoted
separately in part-II.
4.14 Optional Items
4.14.1 HSK-63A Collet Chucks and Collets with spanner and stand for cutter
tightening. Make: Sandvik / Kennametal-Widia / Iscar / Schunk / BIG-
Diashowa / Haimer / Schaublin / Rigo-Fix / Trobos / Equivalent. Collet
Chucks should be dynamically balanced to G2.5 grade at 20,000 RPM
Bidder should quote separately for
Collet diameters 3,4,5,6,7,8,9,10,11,12 mm. Qty: 01 each.
Collet chucks. Qty: 10 Nos.
Spanner for tightening collet chuck nuts. Qty:1 Nos.
Stand for holding collet chuck for tightening collet chuck nuts. Qty:1 No.
4.14.2 Clamping solutions: Mechanical Vice / Pneumatic chucks / Other suggested
items.
4.14.3 Protective Gloves and other safety items.
4.14.4 Startup tool kit with Tool trolley.
4.14.5 Routers / End Mill cutters.
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5.0 Machine Acceptance Test
5.1 In view of high accuracy requirement, Bidder will have to demonstrate the accuracy
and specifications of the machine to our engineer at their manufacturing plant
before dispatching the machine. In case, our engineer does not visit the
manufacturing plant, bidder shall conduct geometrical accuracy test and positioning
accuracy tests as per VDI DGQ 3441 and provide detailed test results / charts for
the model offered prior to dispatch of the machine for SAC’s clearance.
5.2 The Bidder will have to demonstrate all the performance / specifications once again
after installation at SAC, Ahmedabad with the transformer supplied with machine.
Necessary equipment required for measurement of geometrical tests and
positioning accuracy of all the axes has to be arranged by Bidder.
5.3 Ball bar test: Circularity checked using Ball bar test should not be more than 0.015
mm in XY, XZ and YZ planes using ball bar of 150 mm length.
6.0 List of deliverables
6.1 CNC Milling cum Routing Machine for honeycomb/composite/aluminum
structures, incorporating the basic components as mentioned in technical
specifications and Standard Accessories/attachments/wear parts/consumables.
(As per Para 4.0)
6.2 Necessary Cables for Main Power Supply.
6.3 All necessary Electrical and Control Cable between relevant machine components
required for complete function of the machine.
6.4 Any other component which required for installation and commissioning of the
machine.
6.5 A set of applicable machine maintenance tools.
6.6 Hard copy and soft copies of installation, maintenance and operation manual.
6.7 Laser assisted Tool measuring/monitoring system.
6.8 Touch Probe for job measurement and work offset measurement.
6.9 Voltage Stabilizer with isolation transformer.
6.10 Spindle Chiller.
6.11 Spindle coolant with full tank to capacity for first fill up.
7.0 General Instructions
7.1 Bidder may quote both in Foreign Exchange and Indian Rupees.
7.2 The offer should be valid for at least 150 days from the date of opening / due date
of the tender.
7.3 Only those Bidders, who are confident of getting export permission to supply the
machine to us, should quote.
7.4 Un-priced commercial bid should be attached with the technical bid.
7.5 All the literature is required be in English Language.
7.6 Bidder should offer detailed technical catalogue of the machine and write up for
highlighting special features, specific applications, attachments etc.
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8.0 Terms and Conditions
8.1 In view of high accuracy requirement, it is mandatory that machine
should be assembled in original machine manufacturer’s own plant.
8.2 The Bidder should recommend and offer all the accessories and attachments which
are essential for smooth functioning, accurate and reliable performance of the
machine. Make, model and detailed technical specifications along with photocopy
of catalogue for each and every accessory should be attached in the offer. Offer
for each and every item should be submitted separately.
8.3 Bidder should offer essential spare parts (Mechanical / Electrical / Electronics) for
trouble free operations and maintenance for at least 2 years and quote for each
item separately. Name of all the spares must be in the English language only. Brief
description about location and use of the spare should also be given.
8.4 In addition, Bidder should also offer essential control cards, electronic component,
solenoid valves, filters, switches, etc., in view of long term requirements.
8.5 Bidder should fill up details against each of the requirements of the compliance
statement (Annexure-I) submitted along with this tender document. Silence on
any point shall be treated as non-compliance. Simple compliance
without details, lack of information or information without proper
explanation shall also be treated as non-compliance. Hence, in order to
strengthen the merit of offer, please provide detailed explanation about
how bidder intends to comply with each and every specification of this
tender. This is an essential part of the offer. Offer without detailed compliance
report shall be treated as incomplete and liable for rejection without assigning any
reason thereof.
8.6 Bidder should submit their offer with the minimum delivery period from the date
of letter of intent or placement of purchase order (PO) by SAC, whichever is
earlier and should be adhered to. All the items of the PO need be supplied as
single consignment avoiding part supply / shipment.
8.7 Machine should work on 3-phase AC power supply of 415 V, 50 Hz. If machine
offered does not work on 415 V, bidder shall supply required step up/ step down
transformer as a part of machine.
8.8 The Bidder, if necessary, should recommend and detail out in their offer, any
specific requirement like compressed air requirement, foundation of machine,
controlled environmental conditions, cutting fluid etc. for the specific performance
of the machine.
8.9 It will be the sole responsibility of Bidder to carry out electrical connections from
main switch to stabilizer and stabilizer to machine. Necessary cables and tools
should be brought by Bidder.
8.10 Vendor should arrange for transportation of machines from their works to SAC
workshop. It includes transportation of the machine from manufacturing plant to
SAC, unloading at SAC and shifting the machine inside the workshop using fork-
lift truck or any other suitable material handling equipment. Vendor should ensure
safe handling of the machine till installation and commissioning of the machine is
completed at its identified location and performance demonstrated at SAC,
Ahmedabad.
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8.11 Bidder will also confirm / commit in their offer for the following.
8.11.1 Two sets of manual for operation, control, maintenance and
troubleshooting should be provided by the Bidder in English language, out
of which one set of the manual for operation, control and maintenance
with details and requirements of space, power, foundation details etc. for
the installation and commissioning of the machine need to be sent by
Airmail / speed mail, quite in advance for our study and readiness for
installation and commissioning. Minimum one set of manual should be
submitted in hard copy.
8.11.2 The Bidder should provide service for installation, commissioning and
detailed training for operation, maintenance, trouble-shooting etc. free of
cost at our premises. Operation training should be given in two phases.
First phase should consist machine operating training (two days) and
second phase consist maintenance and application(advance) training.
There should not be any restriction on period of training and number of
persons to be trained. However, training will be restricted to one batch
of few persons.
8.11.3 The Bidder should provide foundation details, required room size and
dimensions of entry / opening for taking machine into the room / building.
8.11.4 Electric circuit diagram of the machine should be supplied with the
machine in English language.
8.11.5 Drawings of the important mechanical assemblies should be supplied for
the maintenance purpose.
9.0 Bidder Qualification criteria
9.1 Bidder should have office in India for after sales support and service and at-least
two factory trained service engineer based in India to carry out maintenance of
the machine offered. Bidder should furnish the address and telephone numbers of
the office and name address and telephone numbers of the service engineers.
Bidder shall also provide full details of their service stations in India including man-
power, infrastructure, equipment’s available at each station along with their offer.
9.2 Manufacturer should submit undertaking / commitment in writing for efficient after
sales service and supply of spare parts for 10 years from the date of Installation of
machine.
9.3 If bidder is not a manufacturer, bidder should attach the authorization certificate
from manufacturer stating that bidder is authorized to sell and service the product
offered, in India. Validity period should also be clearly mentioned in the certificate.
10.0 Warranty:
10.1 12 months on-site warranty for trouble free operation of the machine from the
date of final commissioning and acceptance of machine by SAC, Ahmedabad and
free services shall be provided for any trouble during this period. During the period
of warranty, if any part is to be replaced, Bidder will have to replace it free of cost.
Warranty should include all the items supplied against purchase order.
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10.2 Bidder should also submit offer for extended warranty for further 1 year/2 years/3
years on chargeable basis. - Optional
11.0 Technical and Commercial Bid:
Bids should be submitted against this RFP in two parts.
Part 1 should consist of “Technical + unpriced commercial bid”
Part 2 should consist “Commercial bid.
11.1 Instruction for Technical Bid (Part 1)
Bidders shall submit technical bid with following details:
11.1.1 Quote will become invalid if prices are included in the technical bid.
11.1.2 Point by point compliance to all points as per sample, mentioned in Annexure-I page nos. 13 to 22.
11.1.3 The bidder is advised to mention Page numbers to all papers / Brochures provided in the offer. This is to ensure all the papers are in place.
11.1.4 Bidder shall submit the list of all the papers/documents etc. in the Index table as per the sample format given below:
Sr.
No.
Description Page No.
1.
2.
:
11.1.5 Copy of commercial bid without prices shall be submitted along with the technical bid also as under. Sample format shown below.
Sr
No
Item Description, Make and
Model / Product code
Qty Unit
cost
Total
Cost
Remark
1.
LE
AV
E B
LA
NK
LE
AV
E B
LA
NK
2.
3.
:
:
:
Total Cost LEAVE BLANK
11.2 Instructions for Commercial Bid (Part 2)
Cost break-up for major items shall be submitted as per Sample format shown
below.
11.2.1 A sample format for commercial bid:
Sr.
No
Item Description, Make and
Model / Product code
Qty Unit
cost
Total
Cost
Remark
1.
2.
3.
:
Total Cost
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ANNEXURE-I
Compliance Statement
Sr. No.
as per
tech.
specs
Specification Compliance What Bidder should
write under
Compliance column.
2.0 Scope of Supply
2.1 Brand new and non-refurbished machine Yes/No
4.0 Technical Specifications
4.1 Type of Machine: CNC Milling cum Routing
Machine for Honeycomb/Composite/Aluminum
Structures
Yes/No
4.2 Number of Simultaneously Controlled
Axes: Four (X, Y, Z - Linear Axes and A –
Rotation Axis as tilting head)
Write No. of Axes
4.3 Size of machine
4.3.1 Longitudinal Travel : 4600 mm to 5100 mm Write numerical value
4.3.2 Cross Travel : 2600 mm to 3100 mm Write numerical value
4.3.3 Vertical Travel : 450 mm to 600 mm Write numerical value
4.3.4 Rotation Axes : +/- 100o or more Write numerical value
4.3.5 Clamping area on Work Table (L x W) :
4600 mm x 2600 mm or more
Write numerical value
4.3.6 Load carrying capacity of Work Table : 2000 Kg
or more
Write numerical value
4.4 Construction
4.4.1 Stress Relieved Bridge Type Structure with very
high stiffness and strength, dampening vibration
and deflection.
Yes/No
(Write type of
construction)
4.4.2 Solid Polymer Concrete / Granite / Cast Iron
made of Fixed Machine Work Table.
Write material of
work table.
4.4.3 Auto Tool Changer (ATC) with 10 or more
tools.
Write Number of
tools in ATC.
4.4.4.1 Universal Vacuum Fixtures, with all related
accessories including vacuum pump (147 CFM or
more open flow), motor, etc., for clamping
arrangement on whole Work Table surface.
Yes/No
(Details of each
attachments)
4.4.4.2 Mechanical Clamping by Threaded Holes/T-Slots
on the table, with all related tools/attachments.
Yes/No
(Details of each
attachments)
4.4.5 Rigidity of machine structure should be to take
up feed rates of 30 m/min (on all axes) or more.
Write possible feed
rate while machining
4.4.6 Software assisted automatic centralized
lubrication system.
Yes/No
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4.4.7 Highly effective Chip/Dust Suction/Extraction
System on Head, for chip/dust free working
condition is required with all related accessories
/ attachments.
Yes/No
(Details of each
attachments)
4.4.8 Close loop system with Linear Glass scale
feedback for all the axes.
Yes/No
(Write make and
Resolution)
4.4.9 Preloaded recirculating linear ball bearings on Y
and Z axes. Helical rack and pinion on X axis.
Yes/No
(Write make)
4.4.10 Spray cooling provision is required.
(Oil-Mist/Ethanol-Air)
Yes/No
(Write cooling
medium)
4.4 Electrical Compatibility: 415 V +/- 10% Volts
(phase to phase), 50 Hertz, 3 Phase power
supply. If machine does not work on 415 V,
necessary step up or step down transformer shall
be provided by manufacturer as a part of the
machine.
Agree/disagree
(Write Electrical
Requirement)
4.6 Spindle
4.6.1 Maximum RPM : 18,000 or More Write max. RPM
4.6.2 RPM range :3,000 to 18,000 or more and
infinitely variable
Write range of RPM.
Confirm infinite
variability.
4.6.3 Spindle Taper: HSK 63-A Write spindle taper.
4.6.4 Cooling: Liquid cooled and with separate spindle
chiller unit
Write spindle cooling
media & Chiller unit
provided or not
4.6.5 Spindle make: Kessler / Siemens-Weiss /
Fehlmann / Steptec / Hermle / GMN / Fischer /
Jyoti / BFW / HSD
Write make
4.6.6 Spindle power: 15 KW or more (S1 duty rating) Write power at S1
rating.
4.7 Accuracy
4.7.1 Positional uncertainty(P) in X, Y, Z axes
X and Y: 0.030 mm or Better,
Z: 0.020 mm or Better,
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441 standard,
0.030/0.020 mm is total spread and it should not
be treated as +/- 0.030/0.020 mm)
Write positional
uncertainty value as
per VDI DGQ 3441
standard.
4.7.2 Positional uncertainty(P) in A axes
20 sec or Better,
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441 standard, 20 sec,
is total spread and it should not be treated as +/-
20 sec)
Write positional
uncertainty value for
rotary axes as per VDI
DGQ 3441 standard.
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15
4.7.3 Maximum Positional scatter(Pmax) in X,Y,Z axes
X and Y: 0.020 mm or Better
Z: 0.016 mm or better
As per VDI DGQ 3441
(Note: As per VDI DGQ 3441 standard,
0.030/0.020 mm is total spread and it should not
be treated as +/- 0.020/0.016 mm).
Write positional
uncertainty value as
per VDI DGQ 3441
standard.
4.7.4 Spindle Bore and Face Run-out:
0.005 mm or Better.
Write numerical value
4.7.5 Flatness of Work Table:
0.100 mm or Better (Should not be convex).
Write numerical value
4.7.6 Squareness of movement (X axis to Y axis, X axis
to Z axis, Y axis to Z axis):
0.020 mm per 300 mm or Better.
Write numerical value
4.7.7 Parallelism of Spindle axis with respect to Z-axis:
0.020 mm per 300 mm or Better.
Write numerical value
4.7.8 Straightness of X, Y & Z axes:
0.020 mm per 300 mm or Better.
Write numerical value
4.8 Control Features
4.8.1 Make and Model: Siemens 840D / Heidenhain
iTNC530 / Thermwood QCore / Equivalent
Higher Version.
Write name of control
4.8.2 Electronic Hand Wheel: CNC Hand-held
control unit having Dust-protected keyboard
with function keys and Electronic rotating
actuator for high-precise positioning, with
magnetic holder, which should work in the steps
of 0.001 mm, 0.010 mm & 0.100 mm for all axes
movements.
Yes/No
and
write steps of
movement
4.8.3 Screen (display): 15” or more TFT / LCD
Chip-proof color screen.
Write size of the
screen in inches and
describe the screen
type.
4.8.4 Program input resolution: 0.001 mm for all
linear axes, and 0.001 degree for rotary axes.
Write numerical value
4.8.5 Look ahead number of blocks: 100 blocks or
more
Write numerical value
4.8.6 Block Processing Time: 2 ms or less Write numerical value
4.8.7 Interpolation: 4 axes simultaneous Yes/No
4.8.8 Hard Disk Memory: 1 GB or More Write memory of
hard disk drive
4.8.9 Program Memory (NC) : 6MB or More Write memory of NC
4.8.10 Integrated Machining Cycles with GUI:
Profiling, Drilling, Chamfering, Pocketing,
Irregular shaped pockets with multiple islands,
etc.
Write each and every
cycles in detail
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4.8.11 Verification Graphics: graphical simulation
before a program run.
Yes/No
4.8.12 Synchronous graphics : Graphical simulation
during machining.
Yes/No
4.8.13 Simulation Presentation : Top view,
representation in 3 planes, 3D representation,
selective enlargement.
Yes/No
4.8.14 Data Transfer Interface: USB and RJ 45
Ethernet (Both are required).
Write all interfaces
4.8.15 Provision for part programming of next job while
machining of a job is going on.
Yes/No
4.8.16 Provision for Parametric programming facility. Yes/No
4.8.17 Provision for drop control for Z axis. In case of
power failure, drop in Z axis should be minimum
possible.
Yes/No and
Value of drop
4.8.18 Provision for controlling rapid feed and
Machining feed separately.(Separate knobs for
controlling machining feed and rapid feed).
Yes/No
4.8.19 Cycle for kinematics calibration of rotary axes
(RTCP calibration cycle) using calibration sphere
should be provided in the control.
Yes/No
4.9 CAD/CAM software
Bidder should offer CAD/CAM software for
preparing part programs including 3D Surface
machining. OR Provide post processor for
UGNX CAM software.
Yes/No
(Write the solution
offered with software
details)
4.10 Documentation
Two sets each of Machine Manual, Programming
Instructions, Electronics/Electrical /Hydraulic
/Pneumatic Circuit Diagrams, Maintenance
Manual, etc. in English language.
Minimum one set of hard copy of above manuals.
Yes/No
4.11 Safety
Provision for Safety against over runs, collisions
and excessive load / torque conditions
Write provision of
safety in detail for
each head
4.12 Language
All the documents and control panel displays to
be in English language.
Yes/No
4.13 Accessories/ Attachment/ Wear Parts/
Spares / Consumable Requirement
(If any of the following items are not provided
along with the machine as standard item, same
must be quoted separately.)
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4.13.1 Renishaw / Blum / Heidenhein make laser assisted
Tool measuring/monitoring System.
Repeatability: ± 1 micron OR Better Range of diameter measurement: 0.1 mm
to 50 mm
Write make and
model offered
(Mention Range of
diameter
measurement)
4.13.2 Renishaw / Blum / Heidenhein make Touch Probe
for Job measurement and taking work offset with
software.
Touch probe repeatability: ± 1 micron OR Better.
Write make and
model offered
4.13.3 Chiller for spindle. Write make and
model offered
4.13.4 Spindle coolant for first fill up. Write make and qty.
4.13.5 Voltage Stabilizer with Isolation Transformer of
reputed brand (Neel / Suvik / Aplab / Equivalent).
Capacity of the equipment should be at least 5
KW more than Peak power requirement of the
machine.
Write make, model
and capacity offered
4.13.6 Wear Parts and Spares for two years smooth
functioning of the machine.
Quoted / Not Quoted
4.13.7 Any other utilities or items, which Bidder may
consider necessary for smooth and efficient
functioning of the machine should be quoted
separately.
Quoted / Not Quoted
4.14 Optional Items
4.14.1 HSK 63-A Mechanical Collet Chucks and Collets
with spanner and stand for cutter tightening.
Make: Sandvik / Kennametal-Widia / Iscar /
Schunk / BIG-Diashowa / Haimer / Schaublin /
Rigo-Fix / Trobos / Equivalent. Collet Chucks
should be dynamically balanced to G2.5 grade at
20,000 RPM.
Bidder should quote separately for
Collet diameters 3,4,5,6,7,8,9,10,11,12 mm.
Qty: 01 each.
Collet chucks. Qty: 10 Nos.
Spanner for tightening collet chuck nuts.
Qty:1 No.
Stand for holding collet chuck for tightening
collet chuck nuts. Qty:1 No
1 Quoted / Not
Quoted
2 Catalogue.
attached/not
attached.
3 Write make,
model, accuracy
and balancing
specifications.
4.14.2 Clamping Solutions :
Mechanical Vice / Pneumatic chucks / Other
suggested items
(Write make, model, accuracy and other
Specifications)
1 Quoted / Not
Quoted
2 Catalogue
attached/not
attached.
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4.14.3 Protective Gloves and other safety items
(Write make, model, accuracy and other
Specifications)
1 Quoted / Not
Quoted
2 Catalogue
attached/not
attached.
4.14.4 Startup tool kit with Tool trolley
(Write make, model, accuracy and other
Specifications)
1. Quoted / Not
Quoted
2. Catalogue
attached/not
attached.
4.14.5 Routers / End Mill cutters
(Write make, model, accuracy and other
Specifications)
1. Quoted / Not
Quoted
2. Catalogue
attached/not
attached.
5.0 Machine Acceptance Test
5.1 In view of high accuracy requirement, Bidder will
have to demonstrate the accuracy and
specifications of the machine to our engineer at
their manufacturing plant before dispatching the
machine. In case, our engineer does not visit the
manufacturing plant, bidder shall conduct
geometrical accuracy test and positioning
accuracy tests as per VDI DGQ 3441 and provide
detailed test results / charts for the model
offered prior to dispatch of the machine for
SAC’s clearance.
Yes/No
5.2 The Bidder will have to demonstrate all the
performance / specifications once again after
installation at SAC, Ahmedabad with same
transformer supplied with machine. Necessary
equipment required for measurement of
geometrical tests and positioning accuracy of all
the axes has to be arranged by Bidder.
Yes/No
5.3 Ball bar test: Circularity checked using Ball bar
test should not be more than 0.015 mm (15
micron) in XY, XZ and YZ planes using ball bar
of 150 mm length
Yes/No
6.0 List of Deliverables
6.2 Necessary Cables for Main Power Supply along
with the Machine.
Yes/No and Describe
6.3 All necessary Electrical and Control Cable
between relevant machine components required
for complete function of the machine.
Yes/No and Describe
6.4 Any other component which required for
installation and commissioning of the machine.
Yes/No and Describe
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19
6.5 A set of applicable machine maintenance tools. Yes/No and Describe
6.6 Hard copy and soft copies of installation,
maintenance and operation manual.
Yes/No and Describe
6.7 Laser assisted Tool measuring/monitoring
system.
Yes/No and Describe
6.8 Touch Probe for job measurement and work
offset measurement.
Yes/No and Describe
6.9 Voltage Stabilizer with isolation transformer. Yes/No and Describe
6.10 Spindle Chiller. Yes/No and Describe
6.11 Spindle coolant with full tank to capacity for first
fill up.
Yes/No and Describe
the capacity
7.0 General Instructions
7.1 Bidder may quote both in Foreign Exchange and
Indian Rupees.
Agree/Disagree
7.2 The offer should be valid for at least 150 days
from the date of opening / due date of the tender.
Agree/Disagree
7.3 Only those Bidders, who are confident of getting
export permission to supply the machine to us,
should quote.
Agree/Disagree
7.4 Un-priced commercial bid should be attached
with the technical bid.
Agree/Disagree
7.5 All the literature is required be in English
Language.
Agree/Disagree
7.6 Bidder should offer detailed technical catalogue
of the machine and write up for highlighting
special features, specific applications,
attachments etc.
Agree/Disagree
8.0 Terms and Conditions
8.1 In view of high accuracy requirement, it is
mandatory that machine should be
assembled in original machine
manufacturer’s own plant.
Agree/Disagree
8.2 The Bidder should recommend and offer all the
accessories and attachments which are essential
for smooth functioning and accurate and reliable
performance of the machine. Make, model and
detailed technical specifications along with
photocopy of catalogue for each and every
accessory should be attached in the offer. Offer
for each and every item should be submitted
separately.
Agree/Disagree
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20
8.3 Bidder should offer essential spare parts
(Mechanical / Electrical / Electronics) for trouble
free operations and maintenance for at least 2
years and quote for each item separately. Name
of all the spares must be in the English language
only. Little description about location and use of
the spare should also be given.
Agree/Disagree
8.4 In addition, the Bidder should also offer
specifically the essential control cards, electronic
components, solenoid valves, filters, switches,
etc., in view of long term requirements.
Agree/Disagree
8.5 Bidder should fill up details against each of the
requirements of the compliance statement
(Annexure-I) submitted along with this tender
document. Silence on any point shall be
treated as non-compliance. Simple
compliance without details, lack of
information or information without
proper explanation shall also be treated as
non-compliance. Hence, in order to
strengthen the merit of offer, please
provide detailed explanation about how
bidder intends to comply with each and
every specification of this tender. This is an
essential part of the offer. Offer without detailed
compliance report shall be treated as incomplete
and liable for rejection without assigning any
reason thereof.
Agree/Disagree
8.6 Bidder should submit their offer with the
minimum delivery period from the date of letter
of intent or placement of purchase order (PO) by
SAC, whichever is earlier and should be adhered
to. All the items of the PO need be supplied as
single consignment avoiding part supply /
shipment.
Agree/Disagree
8.7 Machine should work on 3-phase AC power
supply of 415 V, 50 Hz. If machine offered does
not work on 415 V, bidder shall supply required
step up/ step down transformer as a part of
machine.
Agree/Disagree
8.8 The Bidder, if necessary, should recommend and
detail out in their offer, any specific requirement
like compressed air requirement, foundation of
machine, controlled environmental conditions,
cutting fluid etc. for the specific performance of
the machine.
Agree/Disagree
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21
8.9 It will be the sole responsibility of Bidder to carry
out electrical connections from main switch to
stabilizer and stabilizer to machine. Necessary
cables and tools should be brought by Bidder.
Agree/Disagree
8.10 Vendor should arrange for transportation of
machines from their works to SAC workshop. It
includes transportation of the machine from
manufacturing plant to SAC, unloading at SAC
and shifting the machine inside the workshop
using fork-lift truck or any other suitable material
handling equipment. Vendor should ensure safe
handling of the machine till installation and
commissioning of the machine is completed at its
identified location and performance
demonstrated at SAC, Ahmedabad.
Agree/Disagree
8.11 Bidder will also confirm / commit in their offer
for the following
8.11.1 Two sets of manual for operation, control,
maintenance and troubleshooting should be
provided by the Bidder in English language, out of
which one set of the manual for operation,
control and maintenance with details and
requirements of space, power, foundation
details etc. for the installation and
commissioning of the machine need to be sent by
Airmail / speed mail, quite in advance for our
study and readiness for installation and
commissioning. Minimum one set of manual
should be submitted in hard copy.
Agree/Disagree
8.11.2 The Bidder should provide service for
installation, commissioning and detailed training
for operation, maintenance, trouble-shooting
etc. free of cost at our premises. Operation
training should be given in two phases. First phase
should consist machine operating training (two
days) and second phase consist maintenance and
application(advance) training. There should not
be any restriction on period of training and
number of persons to be trained. However,
training will be restricted to one batch of few
persons.
Agree/Disagree
8.11.3 The bidder should provide foundation details,
required room size and dimensions of
entry / opening for taking machine into the
room / building.
Agree/Disagree
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22
8.11.4 Electric circuit diagram of the machine should be
supplied with the machine in English language.
Agree/Disagree
8.11.5 Drawings of the important mechanical assemblies
should be supplied for the maintenance purpose.
Agree/Disagree
9.0 Bidder Qualification criteria :
9.1 Bidder should have office in India for after sales
support and service and at-least two factory
trained service engineer based in India to carry
out maintenance of the machine offered. Bidder
should furnish the address and telephone
numbers of the office and name address and
telephone numbers of the service engineers.
Bidder shall also provide full details of their
service stations in India including man-power,
infrastructure, equipment’s available at each
station along with their offer.
Submit all the details.
Attach separate sheet
if required.
9.2 Manufacturer should submit undertaking /
commitment in writing for efficient after sales
service and supply of spare parts for 10 years
from the date of Installation of machine.
Write Yes/No and
attach undertaking
from manufacturer.
9.3 If bidder is not a manufacturer, bidder should
attach the authorization certificate from
manufacturer stating that bidder is authorized to
sell and service the product offered, in India.
Validity period should also be clearly mentioned
in the certificate.
Submit all the details.
Attach separate sheet
if required.
10.0 Warranty
10.1 12 months on-site warranty for trouble free
operation of the machine from the date of final
commissioning and acceptance of machine by
SAC
Write period of
warranty offered.
10.2 Bidder should also submit offer for extended
warranty for further 1 year/2 years/3 years on
chargeable basis. - Optional
Yes / No
11.0 Do you agree with all the terms and
conditions mentioned in Annexure-I
Yes/No.
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