deep hole drilling Technical Specification

7/29/2019 deep hole drilling Technical Specification

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BHARAT HEAVY ELECTRICAL LIMITED Enquiry No. :

UNIT'S ADDRESS: Due Date : _____________

UNIT'S PHONE NOS. 09-976

CONTACT PERSON'S NAME/DESIGN./PHONE Date : Sept 1st, 2009

NO./E-MAIL (FROM PURCHASE DEP'T.)

NOTE:-

Sl. NO DESCRIPTION FOR BHEL REQUIREMENT VENDOR TOSPECIFY / CONFIRM OFFERED BYVENDORDEVIATIONS( IF ANY)

REMARKS

1.0 PURPOSE & WORK PIECE MATERIAL

1.1 DRILLING OF TUBE SHEETS FOR HEAT EXCHANGERS WITH BTA

SYSTEM

vendor to confirm

2.0 Traverse range

2.1 Longitudinal Travel of column (X Axis): 3000 MM Vendor to confirm

2.2 Vertical head travel (Y axis): 3000 MM Vendor to confirm

2.3 Horizontal Spindle head travel (Z1 & Z2 axis): 600 mm Vendor to confirm

2.4 Boza holder travel by hydraulic: 500 mm Vendor to confirm

2.5 Total horizontal travel (Z1 & Z2 axis): 1100 mm Vendor to confirm

3.0 Axis Rapid traverse

3.1 Rapid traverse of X Axis : 10000 mm/minute Vendor to confirm

3.2 Rapid traverse of Y Axis : 10000 mm/minute Vendor to confirm

3.3 Rapid traverse of Z1 & Z2 Axis : 10000 mm/minute Vendor to confirm

4.0 Working feed rates

4.1 Feed rate (X axis) : infinitely adjustable : 1 to 4000 mm/minute Vendor to confirm

4.2 Feed rate (Y axis) : infinitely adjustable :1 to 4000 mm/minute Vendor to confirm

4.3 Feed rate (Z1, Z2 axis) : infinitely adjustable : 1 to 4000 mm/minute Vendor to confirm

5.0 Working range

5.1 Distance between surface worktable and lower spindle (main spindle) Vendor to specify

5.2 Working range of the main spindle max. (lower) Vendor to specify

5.3 Working range of the upper spindle min. Vendor to specify

5.4 Working range of the upper spindle max. Vendor to specify

5.5 Min.Centre distance between the Spindle axisVendor to specify

5.6 Max.Centre distance between the Spindle axis Vendor to specify

5.7 Vertical adjustable stroke of the Spindle axis: 150 mm Vendor to confirm

6.0 Drilling Spindles

6.1 No of Drilling Spindles : TWO Vendor to confirm

6.2 Spindle motors power Vendor to specify

6.3

BTA Drilling capacity Min : 15 mm

Vendor to confirm and

specify minimum dia that

can be drilled

6.4

BTA Drilling capacity Max : 25 mm

Vendor to confirm and

specify maximum dia

that can be drilled

6.5 Each Spindle torque Vendor to specify

6.6 Drilling thrust on Z1,Z2 axis Vendor to specify

TELEPHONE NOS.: TELEPHONE NOS.:

SCOPE: SUPPLY, ERECTION & COMMISSIONING OF DEEP HOLE DRILLING MACHINE with BTA System-1 SET.

3. The offer and all documents enclosed with offer should be in English language only.

ADDRESS OF THE INDIAN AGENT

FAX NOS.:

Supplier Qtn. No.:

E-MAIL ADDRESS :

FAX NOS.:

E-MAIL ADDRESS :

ADDRESS OF THE SUPPLIER

1. Vendor must submit complete information against clause no. 58 The offer meeting this clause would only be processed.

2. Inadequate / incomplete, ambiguous, or unsustainable information against any of the clauses of the specifications/requirements shall be treated asnon-compliance.

SPECIFICATION CUM COMPLIANCE CERTIFICATE FOR DEEP HOLE DRILLING MACHINE - ONE SET

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Sl. NO DESCRIPTION FOR BHEL REQUIREMENTVENDOR TO

SPECIFY / CONFIRM

OFFERED BY

VENDOR

DEVIATIONS

( IF ANY)REMARKS

6.7 Spindle Speeds infinitely Variable : 1 to 3500 RPM Vendor to confirm

6.8 No of gear shiftings Vendor to specify

6.9 Spindle nose taper Vendor to specify

6.10 Spindle bearings to be specified Vendor to specify

7.0 MOTOR AND DRIVE SYSTEM FOR SPINDLES

7.1

Motors: Motors for spindles: Make: Fanuc/Siemens /ABB/Indramat . Details of

Model, Type etc. to be submitted by Vendor. Motors should be totally protected

from dust and pressurised mist coolant. Protection details like type of standard etc

with catalogues should be provided with offer. The type and capacity of spindle

motors and drives should be similar type and capacity.

Vendor to confirm

7.2 Drives: Spindle drives shall be AC digital of make Fanuc/Siemens /ABB/Indramat .

Details of model, Type etc. to be submitted by Vendor.Vendor to confirm

7.3 The Spindle motors and drives should be similar type and capacity.Vendor to confirm

7.4Feed back devices: Rotary encoders, Make: Heidenhain (Details to be submitted by

the vendor)

vendor to confirm

7.5

Machine should be capable of operating in dual parameters in single hole i.e.

- slow rate in stainless steel cladding

-high rate in alloy forging

Vendor to specify

8.0 Boza

8.1 Automatic stroke of the boza: 50 mm Vendor to confirm

8.2 Stroke of boza holder through hydraulic cylinder : 500 mm Vendor to confirm

8.3 Clamping of boza holder Vendor to confirm

9.1 Hydraulic power pack

9.2 Make and model of power pack Vendor to specify

9.3 Clamping of X, Y, Z1, Z2 and Boza Holders by hydraulic Vendor to specify

9.4 Pump type, discharge with pressure Vendor to specify

9.5

Chiller for power pack

Vendor to specify

9.6 Gear shifting by hydraulic Vendor to confirm

10.0 Position Accuracies as per ISO 230-2

10.1 X-axis Column travel : 0.03/3000 mm Vendor to confirm

10.2 Y-axis Vertical head travel: 0.02/3000 mm Vendor to confirm

10.3 Z1&Z2 Horizontal Spindle Travel: 0.02/1100 mm Vendor to confirm

11.0 Repeatability as per ISO 230-2

11.1 X-axis Column travel : 0.015/3000 mm Vendor to confirm

11.2 Y-axis Vertical head travel: 0.015/3000 mm Vendor to confirm

11.3 Z1&Z2 Horizontal Spindle Travel: 0.015/1100 mm Vendor to confirm

12.0 Accuracy Paramaters

12.1 Hole accuracy: +/- 0.02 mm Vendor to confirm

12.2 Pitch accuracy between holes: 0.04 mm Vendor to confirm

12.3 Hole diameter quality: IT 9 Vendor to confirm

12.4 Hole straightness: 0.18 / 400 mm Vendor to confirm

12.5 Quality of drill surface with BTA system: Ra2 Vendor to confirm

13.0 X-axis

13.1 Drive mechanism shall be Rack with double pinion Vendor to confirm

13.2

Hydrostatic lift shall be provided

Vendor to specify

13.3 Hydrostatic lift motor & Pump make, model, type, discharge with pressureVendor to specify

13.4 Telescopic covers for bed shall be provided on either side of the saddle Vendor to confirm

14.0 Y-axis

14.1 Drive mechanism shall be ball screw with double preloaded nuts Vendor to confirm

14.2Balancing of Cross slide (by Hydraulic or Counter weight)

Vendor to specify

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OFFERED BY

VENDOR

DEVIATIONS

( IF ANY)REMARKS

14.3If the balancing is done by counter weight,specify one of the following system

(Chains with sprockets or Ropes with pulleies)

Vendor to specify

14.4 Protective cover for ballscrew shall be provided Vendor to confirm

15.0 Z1 &Z2 -axis

15.1 Drive mechanism shall be ballScrew with double preloaded nuts Vendor to confirm

15.2 Protective cover for ballscrew shall be provided Vendor to confirm

16.0 FEED AND DRIVE SYSTEM FOR X,Y,Z1and Z2

16.1Motors: Feed motors with brake for X,Y,Z1& Z2, axes shall be AC servo with

inbuilt encoders. (Details of model, type etc. to be submitted).Vendor to confirm

16.2Drives:The Feed drives for X,Y,Z1and Z2 shall be digital type of make Siemens

or Fanuc (Details of model, type etc. to be submitted).Vendor to confirm

16.3 The Feed motors and drives for X,Y,Z1 and Z2 should be similar type and capacity. Vendor to confirm

17.0 FEED BACK SYSTEM

17.1Feed back system for X, Y axes: Heidenhain linear scales with pressurised

compressed air cleaning (Details to be submitted by the vendor)

Vendor to confirm

17.2Feed back system for Z1 and Z2 axes: Heidenhain Rotary Encoders (Details to

be submitted by the vendor)Vendor to confirm

18.0 Boza Holder

18.1 Boza holder travel shall be hydraulic Vendor to confirm

18.2Suitability to accommodate brazed BTA bits from 15mm to 25 mm with multi

start(4) external threadingspecify with details

18.3Holding arrangements of pipe should be made to accommodate dia 14, 17, 18, 20,

22 & 23 mmspecify with details

18.4 OD of carbide bush guiding BTA should be dia 25mm and dia 40 mm specify with details

19.0 Steady rest

19.1Steady rest between boza holder and Spindle slide shall be provided 1 no for each

Spindle Vendor to confirm

20.0 Geometrical test chart for similar machine shall be submitted along with offer Vendor to confirm

21.0 Pitch Adjustment

21.1 Interlocks shall be provided for on / off of the pitch adjustment motor Vendor to confirm

21.2Safety shall be provided to protect the over loading of the mechanism while coming

closerVendor to confirm

22.0 COOLANT SYSTEM

22.1 No of coolant stations:Two Vendor to confirm

22.2 Each pump discharge shall infinitely variable & controled at operator panel Vendor to confirm

22.3 Min.Discharge at min RPM: 20LPM Vendor to confirm

22.4 Max.Discharge at max RPM: 200 LPM Vendor to confirm

22.5 Pump Pressure: 70 Kg/sq.cm Vendor to confirm

22.6 Coolant Sytem should contain the following :

22.6.1 All tanks shall have Min &Max oil level indication through float switches Vendor to confirm

22.6.2 Pressure relief valves and DC Valves Vendor to confirm

22.6.3

Two inlet connections shall be provided for bottom Spindle unit

Vendor to confirm

22.6.4 Coolant specification Vendor to specify

22.6.5

No of coolant tanks, size and coolant quantity

Vendor to specify

22.6.6

Mud pump discharge shall be 500 LPM constant

Vendor to confirm

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OFFERED BY

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DEVIATIONS

( IF ANY)REMARKS

22.6.7 Inter locks shall be provided to protect over flow of the coolant oil from tanks Vendor to confirm

22.6.8 Filtering Unit shall be provided Vendor to confirm

22.8.9 Filtering level to be specified in microns Vendor to specify

22.6.10 Filtering capacity 700 LPM Vendor to confirm

22.6.11

In case of filter failure over flow connection back to the tank shall be provided

Vendor to confirm

22.6.12Filter paper size to be specified

Vendor to specify

22.6.13 Collection of cutting oil from the machine to mud tank to be specified Vendor to specify

22.6.14 Chiller for the coolant oil shall be quoted as an option Vendor to specify

22.6.15 Magnetic filter shall be provided to arrest the chips to the mudtank Vendor to confirm

22.7 MOTOR AND DRIVE SYSTEM FOR COOLANT APPLICATION

22.7.1Motors : Make: Fanuc/Siemens /ABB/Indramat. Details of Model, Type etc. to be

submitted by Vendor.

Vendor to confirm

22.7.2Drives : Digital AC Drives Make:Fanuc/Siemens /ABB/Indramat . Details of

Model, Type etc. to be submitted by Vendor.

Vendor to confirm

22.7.3 The coolant motors and drives should be similar type and capacity. Vendor to confirm

23.0 CHIP CONVEYOR: Chip conveyor to be quoted as an optional

vendor to quote and

furnish details

24.0SEMI AUTOMATIC CENTRIFUGE To be quoted as an optional

vendor to quote and

furnish details

25.0Lubrication Unit Centralised lubrication unit for all axes slides, ball screw nuts,

linear way bearings and other elements with metering units (flow control valve)

Vendor to confirm

26.0 Items not included in the scope to be specified by the Vendor vendor to furnish

27.0 OPERATOR'S PANEL:

27.1

Operator's panel having complete CNC and machine control system with TFT

colour monitor. All switches on the Operator's panel should be within reach of

operator of average height (Indian) for convenient, efficient & safe operation. All

displays/indications should also be conveniently placed accordingly. Layout

showing complete details of the panel should be submitted. Panels should be

totally protected from dust and pressurised mist coolant. Protection details like type

of standard etc. with catalogues should be provided with offer.

Vendor to confirm

28.0 AIR CONDITIONERS

28.1

Air Conditioners with Dehumidifiers of suitable / sufficient capacity to be provided

for all Electrical / Electronic Panels / Cabinets including Operators Panel

considering specified ambient conditions. The air conditioners should work in the

environment of dust and mist coolant with minimum maintenance. Detailed

specifications of make and type should be submitted.

vendor to specify

29.0 CNC SYSTEM AND FEATURES

29.1 Make : SIEMENS/FANUC Vendor to confirm

29.2 Type vendor to specify

29.3 Model vendor to specify

29.4 Details of Standard features. List to be submitted. vendor to furnish

29.5 Details of optional features, recommended by vendor, to be submitted. vendor to furnish

29.6

The system should have full alphanumeric keyboard, TFT color display(10.4" or

more), additional draw-out type Querty Key Board and mouse in suitable

enclosure, RS232C serial interfaces, parallel interface for printer, COM port for

telediagnostics, network ready with LAN, electronic hand wheels for all axes, USB

drive with memory stick(4GB) unit for data input/output, hard disk of sufficient

capacity (Largest size available at the time of order shall be supplied), graphic

simulation and preinstalled system software & other required software's etc.(Details

should be submitted by Vendor)

Vendor to confirm

29.7

Separate pages in the system should be provided for handling of tool blunt / tool

breakage. This should facilitate entry of set current and display of actual current for

spindle rotation and Z -feed.

Vendor to specify

30.0 TOOL MONITOR SYSTEM

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OFFERED BY

VENDOR

DEVIATIONS

( IF ANY)REMARKS

30.1Tool monitoring system to handle tool blunt/tool breakage. (Integral with CNC

system or external)

Vendor to specify

31.0 MANUAL CONTROL :

31.1

Complete manual control of machine with required control elements that include

potentiometers for spindle speed variation, potentiometers for manual feed

variation,potentiometers for coolant regulation, Speed range selector switch, mode

selector switch, Z-axes selector switch, Push buttons for Boza slide forward and

backward, Push buttons for drilling slide forward and backward,Push button for

chip conveyor on and off,Emergency stop switch, Push button with lamps for

drilling motor on and off,Push button with lamps for spindle rotaion on and off,

Push button with lamps for blower motors of drilling motor on and off, Push botton

with lamp for coolant pump on and off, Push button with lamp for coolant valve

open and close, cycle start push button(after emergency stop of spindle the drill

cycle will be repleated with this button), and display elements (DRO) for spindle

rotaion,spindle feed and alarm lamps for Emergency stop feed, Emergency stop

drilling motor, Emergency stop for Boza, Gear box lueoil low Etc.Apart from above

switches / keys should be provided for selection of required axis,

axis direction, cutting feed, spindle rpm, spindle feed, drilling feed and

spindle rpm , display of axis position values etc, for manual operation.

Diagram/ Sketches for switches/ keys provided on operators pendant to

be submitted.

Vendor to specify

32.0 UPS SYSTEM

32.1UPS of 30 minutes for CNC system with inbuilt cooling and charge status display

(Battery charging /discharging time should be specified by vendor)

vendor to confirm

33.0 HAND HELD UNIT:

33.1

Standard hand held unit with Emergency stop switch,Z-Axes selection switch, Push

buttons for drilling slide forward and backward, Pusubuttons for X and Y axes

selection ,Electronic hand wheel to move the machine in Plus and Minus

directions This shall be alongwith sufficient length of interfacing cable.

vendor to confirm

34.0 DIAGNOSTIC SYSTEM:

34.1 TELE-DIAGNOSTIC SERVICE :

34.1.1

Tele-diagnostic service should be provided through International telephone lines

along with required Hardware / Software package for the supplied CNC system for

remote diagnosis and correction of the problems in both CNC System and PLC of

the machine. This should be provided free of charge for the guarantee period.

Terms and conditions for the service after guarantee period should be informed by

vendor. Subsequently, it should be possible to use other platforms, such as Internet

or ISDN, subject to their availability in future at any event, Alarm controlled

notification by e-mail in event of fault. The system shall have facility for storing

and generating monthly report of alarms occurring on the machine during the

period

vendor to confirm

34.2 FAULT DIAGNOSTIC SYSTEM:

34.2.1

Supplier's own diagnostic system with required hardware and software should be

supplied and installed on the CNC system. This should include customised auto-

diagnostic system with supporting hardware and software which shows detailed

cause and remedy for the fault on the display with full video diagnostic help for

faults related to mechanical and electrical maintenance. PG/PC laptop unit with

required software supplied along with the machine for debugging and diagnostic

purpose of PLC system.

vendor to confirm

35.0 AMBIENT CONDITIONS & THERMAL STABILITY :

35.1

Total machine should work trouble free and efficiently under following operating

conditions. Power Supply: Voltage: 415 V +10% / -15% Frequency:50Hz 3%

No. of phases = 3

Ambient Conditions: Temperature = 5 to 45 degree celsius

Relative Humidity = 95% max.

(Confirm that machine is suitable for above and details of provisions on the

machine for the same should be furnished)

Vendor to specify

35.2

Weather conditions are tropical, Atmosphere may be dust laden during some part of

the year. Machine shall be kept in the normal shop floor condition. Max.

temperature variation is 25 deg Celsius in 24 hours.

Vendor to specify

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DEVIATIONS

( IF ANY)REMARKS

35.3

Thermal Stability of the complete machine keeping in view specified Ambient

Conditions and accuracy requirements of BHEL components and trouble free

operation of the machine should be ensured by vendor.

(Confirm that machine is suitable for above and details of provisions on the

machine for the same should be furnished)

Vendor to specify

35.4

The machine including attachments & accessories should be suitable for 24 hrs.

continuous operation to its full capacity for 24 hour a day and 7 days a week

throughout. Vendor to ensure and confirm the same.

Vendor to specify

36.0 ELECTRICAL SYSTEM :

36.1

415V + 10% / -15%, 50HZ +/-3%, 3 Phase AC (3 wire system with out neutral)

Power Supply Voltage will be provided by BHEL at a single point near the

machine, as per layout recommended by Vendor. All types of cables, connections,

circuit breakers etc. required for connecting BHEL's power supply point to

different parts of the machine/control cabinets, shall be the responsibility of vendor.

Requirement of grounding/earthing with required material details is to be informed

by vendor well in advance so that same could be incorporated during construction

of foundation.

Vendor to specify

36.2 Tropicalisation: All electrical / electronic equipment shall be tropicalized Vendor to confirm

36.3

All electrical & electronic control cabinets & panels should be twin panel(two

layres) and totally protected from dust and pressurised mist coolant. Details like

type make etc. shall be provided with catalogues.

Vendor to specify

36.4

All electrical and electronic panels including operator's panel should be provided

with fluorescent lamps for sufficient illumination and power receptacles of

220Volts, 5/15 Amp AC. All adapters/receptacles should have compatibility with

Indian equivalents.

Vendor to specify

36.5 Motors shall conform to IEC or Indian Standards Vendor to confirm

36.6

All cables moving with traversing axes should be installed in caterpillar / Drag

chain. Additionally, all the cable trays required for laying of cables should be

included in the offer.

Vendor to specify

36.7 In-cycle hour counter with reset facility. Vendor to specify

37.0 MACHINE LIGHTS:

37.1Machine Lights for sufficient illumination of complete working area on both sides

of operator's platform should be provided for clear visibility.

Vendor to specify

37.2A magnetic base portable spot light with sufficiently long cable should also beprovided.

Vendor to specify

37.3Any lights required in the foundation/ pit area shall also be foreseen and supplied

by the vendor.

Vendor to specify

37.4 Flashing / rotary type End of Cutting and Program Stop Light. Vendor to specify

38.0 SERVO VOLTAGE STABILIZER WITH SAFETY ENCLOSURE

38.1

Indian make Oil / Air Cooled servo Controlled Voltage Stabilizer suitable for

complete machine, its drives, controls, PLC etc. with no undesirable Harmonics in

the stabiliser output.

Vendor to specify

38.2 Make (To be specified by indentor as per the practice of units.) Vendor to specify

38.3 Model and Rating vendor to specify

38.4

Spares Package for the Voltage Stabiliser for 2 years working should also be

offered with item wise list.

vendor to confirm

38.5 Catalogue of the Voltage Stabiliser shall be submitted with the offer. vendor to confirm

39.0 ULTRA ISOLATION TRANSFORMER WITH SAFETY ENCLOSURE

39.1Indian make Ultra Isolation Transformer suitable for complete machine , its drives,

controls, PLC etc. shall be supplied

vendor to confirm

39.2 Make vendor to specify

39.3 Model and Rating vendor to specify

39.4Spares Package for the Ultra Isolation Transformer for 2 years working should also

be offered.

vendor to specify

39.5 Catalogue of the Ultra Isolation Transformer shall be submitted with the offer. vendor to specify

40.0 SWITCH GEAR

40.1All the switch gear items should be high standard and quality. Technical details like

make, type etc. shall be provided.

Vendor to specify and

confirm

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DEVIATIONS

( IF ANY)REMARKS

41.0 CABLES

41.1All the motor, control and feed back cables should be high quality and oil

resistant.Technical details like make, type etc. shall be provided.

specify & confirm

41.2All the power , motor, control and feed back cables shall be provided with high

quality flexible conduits.Details like make, type etc. shall be provided.

Vendor to specify and

confirm

42.0SAFETY ARRANGEMENTS:

42.1Following safety features in addition to other standard safety features should be

provided on the machine:

Vendor

42.2

Machine should have adequate and reliable safety interlocks / devices to avoid

damage to the machine, work piece and the operator due to the malfunctioning or

mistakes.

vendor to confirm

42.3A detailed list of all alarms / indications provided on machine should be submitted

by the supplier.

vendor to furnish

42.4

All the pipes, cables etc. on the machine should be well supported and protected.

These should not create any hindrance to machine operator's movement for

effective use of machine.

vendor to confirm

42.5All the rotating parts used on machine should be statically & dynamically balanced

to avoid undue vibrations.

vendor to confirm

42.6

Emergency Switches at suitable locations as per International Norms should be

provided.

vendor to confirm

42.7 Oil & water pipe lines should not run with electrical cable in the same trench. VENDOR TO NOTE

43.0 ENVIRONMENTAL PERFORMANCE OF THE MACHINE :

43.1 The Machine shall conform to following factors related to environment : vendor to confirm

43.2

Maximum noise level shall be 75 dB(A) at normal load condition, 1 meter away

from the machine with correction factor for back ground noise, if necessary. This

will be measured as per international standards like DIN 45635-16. Supplier to

demonstrate compliance to noise level, if so required.

vendor to confirm

43.3There shall not be any emissions from the machine except fumes of cutting fluid

during machining.

vendor to confirm

43.4

There should not be any effluent from the machine. In case there are any effluents

from the machine, requisite effluent treatment plant or pollution control device

should be built into the machine by the supplier.

vendor to confirm

43.5 No hazardous chemicals shall be required to be used in the machine. vendor to confirm

43.6If any safety / environmental protection enclosure is required it should be built in

the machine by the vendor.

vendor to confirm

43.7Paint of the machine should be oil / coolant resistant and should not peel off and

mix up with coolant.

vendor to confirm

43.8Suitable arrangement for recovery of oil mist as per ISO 14001 and OHSAS 18001 specify with details

44.0 LEVELING & ANCHORING SYSTEM

44.1Complete anchoring system including foundation bolts, anchoring materials,

fixators, leveling shoes etc should be supplied

vendor to confirm

45.0 TOOLS FOR ERECTION, OPERATION & MAINTENANCE :

45.1

Special tools and equipment required for erection of the machine shall be brought

by the vendor. Necessary tools like Torque Wrench, Spanners, Keys, grease guns

etc. for operation and maintenance of the machine should be supplied. List of such

tools should be submitted with offer

vendor to confirm

45.2 Test mandrel for checking run-out/taper & alignment should be supplied vendor to confirm

46.0 SPARES:

46.1

Itemized breakup of mechanical, hydraulic, electrical and electronic spares used on

the machine in sufficient quantity as per recommendation of Vendor for 2 years of

trouble free operation on three shifts continuous running basis should be offered by

vendor. The list to include the following in addition to recommended spares (Unit

price of each item of spare should be offered)

vendor to confirm

46.2

Mechanical & Hydraulic Spares: All types of Pumps, Valves, Pressure Switches,

Transducers, Flow Switches, Filters, Seals, O-rings, Hydraulic Hoses etc. Note : 2

sets of O-rings & seals shall be supplied along with the eqipment

specify & confirm

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DEVIATIONS

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46.3

Electrical /Electronic Spares: All types of Relays (1no each type),

Contactors(1no each type), Proximity Switches (2nos each type), Push Buttons,

Indicating Lamps, Semiconductor Fuses, Special Fuses, Circuit Breakers, Main

Power Switch(1 no), Encoders (1no each type), Scanning Heads for Linear Scales

(1no each type), MMC module (1 no), NCU module(1no), Operator's panel with

Display Unit(1no), Floppy Disk Unit(1no), I/O Cards for PLC(1no each), Servo

Motors for Feed (1no),Drive for feed(1no), Spindle motor(1no),Spindle drive

(1no),Coolant motor(1no) and coolant drive(1no).

specify & confirm

46.4

All types of spares for total machine and accessories should be available for at least

ten years after supply of the machine. If machine or control is likely to become

obsolete in this period, the vendor should inform BHEL sufficiently in advance and

provide drawings of parts / Details of spares and suppliers to enable BHEL to

procure them in advance if required.

vendor to confirm

46.5

Vendor to confirm that complete list of spares for machine and accessories, along

with specification / type / model, and name & address of the spare supplier shall be

furnished along with documentation to be supplied with the machine

vendor to confirm

47.0DOCUMENTATION : Five sets of following documents (Hard copies) in

English language should be supplied along with the machine

47.1 Operating manuals of Machine vendor to confirm

47.2

Detailed Maintenance manual of machine with all drawings of machine

assemblies/sub-assemblies/parts including Electrical / Pneumatic/ Coolant /Hydraulic circuit diagrams. All Assembly / Sub Assembly Drawings shall be

supplied with part list also.

vendor to confirm

47.3Catalogues, O&M Manuals of all bought out items including drawings, wherever

applicable.

vendor to confirm

47.4

Operating Manuals, Maintenance Manuals & Catalogues for all the bought out

items that include Voltage Stabilizer, Isolation Transformer, Air-Compressor and

all supplied Accessories.

47.5 PLC program print-outs with comments in English for each function.

47.6Complete back-up of hard disk on GHOST CD and supply of spare hard disc with

fully loaded data after commissioning the machine.

47.7One additional set of all the above documentation on CD ROM, wherever possible. vendor to confirm

47.8 Detailed specification of all rubber items and hydraulic/lube fittings vendor to confirm

47.9Complete Master list of parts used in the machine shall be submitted by the vendor. vendor to confirm

49.0 FOUNDATION :

49.1

Vendor shall submit the preliminary layout drawing for getting BHELs approval

within one month from the date of Letter of Intent (LOI) / P.O. whichever is earlier.

Soil condition data will be furnished by BHEL along with the approval. Complete

Foundation Design including details viz. static / dynamic load details etc. and Final

Layout drawings shall be submitted by the supplier within three months after

getting BHELs approval. The layout should consist of all reqirements pertaining to

complete machine including space requirement for Voltage Stabilizer, Isolation

Transformer, Air compressor, Chip Bin & any other accessories. BHEL shall

construct complete foundation for the machine under supervision of supplier and at

suppliers responsibility. Vendor should arrange equipments required for the

testing of foundation, if required by the vendor. The vendor shall also indicate

detailed specifications of grouting compound and Grouting procedure etc. for

foundation bolts of the machine.

vendor to confirm

50.0 ERECTION & COMMISSIONING

50.1

Supplier to take full responsibility for carrying out the erection, start up, testing of

machine, its control & all types of other supplied equipment , machining of test

pieces etc. Service requirement like power, air & water shall be provided by

BHEL at only one point to be indicated by supplier in their foundation/layout

drawings. Other requirements like crane and helping personnel shall also be

provided by BHEL. Details of these requirements should be informed by vendor in

advance.

vendor to confirm

50.2

Successful proving of BHEL components by the supplier shall be considered as

part of commissioning. All tests, as mentioned at clause 19 (Machine Acceptance)

shall form part of the commissioning activity.

vendor to confirm

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SPECIFY / CONFIRM

OFFERED BY

VENDOR

DEVIATIONS

( IF ANY)REMARKS

50.3Tools, instruments and other necessary equipment required to carry out all above

activities should be brought by the supplier.

vendor to confirm

50.4Commissioning spares, required for commissioning of the machine within

stipulated time, shall be brought by the supplier on returnable basis.

vendor to confirm

50.5 Schedule of Erection and Commissioning shall be submitted with the offer. vendor to confirm

50.6

All Cover Plates required for the machine and its peripherals including pits, if any,

shall be supplied and installed by the vendor. The plates should be sourced from

India.

vendor to confirm

50.7

Portion, if any, of the machine, accessories and other supplied items where paint

has rubbed off or peeled during transit or errection should be repainted and merged

with the original surrounding paint by the vendor. For this purpose, the vendor

should supply sufficient quantity of touch up paint of various colors used.

vendor to confirm

50.8Schedule, Charges, duration, terms & conditions for E&C should be furnished in

detail separately by vendor along with offer.

vendor to confirm

51.0MACHINE ACCEPTANCE: (Tests/Activities should be Performed by

Vendor)

vendor to confirm

51.1Tests/Activities should be carried out at suppliers works on the machine

before dispatch :

vendor to confirm

51.2 Geometrical accuracies as per test chart. vendor to confirm

51.3The machine should be tested for continuous running of 8 hrs. If any break down

occurs during this test, the test should be repeated for 8 hrs from that time.

vendor to confirm

51.4 Demonstration of all features of the machine, control system & accessories vendor to confirm

51.5 Machining of test piece as per Standard Vendor to supply test piece vendor to confirm

52.0 INSPECTION:by BHEL Engineers at supplier's works before dispatch.

53.0

TRAINING : BHEL Persons should be trained at supplier's Works for

mutually agreed period in the area of

(a) CNC Part Programming/ Technology, Use of all CNC Features,

Programming for Measuring Systems & supplied accessories etc.

(b) Electrical, Electronic & CNC maintenance for machine & other supplied

equipments

(c) Mechanical & Hydraulic maintenance of the machine & other supplied

equipments

(d) Operation of the machine & other supplied equipments.

vendor to specify

54.0Tests/Activities should be carried out at BHEL works while commissioning

the machine :

vendor to confirm

54.1 Geometrical accuracies as per test chart. vendor to confirm

54.2 Full load test to demonstrate the maximum power & capacity of the machine. vendor to confirm

54.3The machine should be tested for continuous running of 8 hrs. If any break down

occurs during this test, the test should be repeated for 8 hrs from that time.

vendor to confirm

54.4Demonstration of all features of the machine, control system & accessories to the

satisfaction of BHEL for efficient and effective use of the machine

vendor to confirm

54.5Machining test piece as per Standard Vendor to arrange Test pieces and tooling for

its machining.

vendor to confirm

54.6 Prove out machining. vendor to confirm

54.7Two weeks supervision of independent operation of machine by BHEL after job

prove out

vendor to confirm

54.8

Training of BHEL machine operators in operation of complete machine &

accessories etc by the supplier's experts / engineers during their stay at BHEL

works

vendor to confirm

54.9Demonstration by actual use of all supplied attachments and accessories to their full

capacity.

vendor to confirm

55.0 PACKING:

55.1Sea worthy & rigid packing for all items of complete machine, all accessories and

other supplied items to avoid any damage/loss in transit.

vendor to confirm

55.2When machine is dispatched in containers all small loose items shall be suitably

packed in boxes.

vendor to confirm

56.0 GUARANTEE :

56.1 24 months from the date of acceptance of the machine. vendor to confirm

56.2Vendor shall provide free sevicing of the machineonce in 6 months during

guarantee periodvendor to confirm

57.0 GENERAL :

57.1 Machine Model vendor to specify

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SPECIFY / CONFIRM

OFFERED BY

VENDOR

DEVIATIONS

( IF ANY)REMARKS

57.2 Total connected load (KVA): vendor to specify

57.3 Floor area required (Length, Width, Height) for complete machine & accessories vendor to specify

57.4Painting of Machine/Electrical Panels:RAL 6011 Apple Green (Polyurethane Paint) vendor to specify

57.5 Total weight of the machine vendor to specify

57.6 Weight of heaviest part of machine vendor to specify

57.7 Weight of the heaviest assembly and Sub-assembly of the Machine vendor to specify

57.8 Dimensions of largest part of the machine vendor to specify

57.9

Vendor to submit, along with offer, reference list of customers where similar

machines have been supplied mentioning broad specifications of the supplied

machine i.e. Model, Drilling Capacity etc.

Required

59.0 REFERENCE LIST / QUALIFYING CONDITIONS :

58.1

Only those vendors, who have supplied and commissioned atleast one Deep hole Drilling

Machine of similar ( Drilling Capacity, Drilling Depth, Spindle Drive, Motor Rating, &

Travel etc.) or higher capacity for similar applications in the past ten years (On the Date

of Opening of tender) and such machine is working satisfactorily for more than one year,

after commissioning (On the Date of Opening of tender) should quote. However, if such

machine(s) has/had been sipplied to BHEL, then such machine should be presently

working satisfactorily for more than six months after its commissioning and acceptance

(On the Date of Opening of tender) in BHEL, should quote. The following informationshould be submitted by the vendor about the companies where similar machines have

been supplied. This is required from all the vendors for qualification of their offer.

vendor to confirm

58.2 Name of the customer / company where similar machine is installed.

58.3 Complete postal address of the customer.

58.4 Month & Year of commissioning.

58.5Application for which the machine is supplied with details of accuracies achieved on the

job.

58.6 Name and designation of the contact person of the customer.

58.7 Phone, FAX no. and email address of the contact person of the customer.

58.8Performance certificate from the customers regarding satisfactory performance of

machine supplied to them

58.9BHEL reserves the right to verify the information provided by vendor. In case theinformation provided by vendor is found to be false/incorrect the offer shall be rejected. VENDOR TO NOTE

FURNISH DETAILS

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deep hole drilling Technical Specification

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