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Date: 2025.05.30
12:19:37 IST
Reason: IREPS
Document
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Addendum-2 Dr.29.05.2025
Specificatioh No. RWF/A[&P/2021-2 S/CNC: End Milling, Rev-2
ItCM NAME: CNC END MILLING, CENTERING AND CUP TURNING MACHINE
The following clauses of RWF Specification for procurement of CNC End Milling, Centering and Cup tuming
machine are amended as follows:
Clause No. Existing Description To be read as
A11 electric power and control panels shall All electric power and control panels shall
have lockable-hinged doors. They shall be have lockable-hinged doors. They shall be
f dust and vermin proof. The exterior of the dust and vermin proof. The exterior of the
panels shall be painted with apple green. panels shall be painted with apple green.
Panel AC of sufficient cooling capacity to be Panel AC ofsufficient cooling capacity to be
provided for the control and power panels. provided for the control and power panels.
3.2;9.4 (g\ The items listed in Part 3.2.9.3 are not The items listed in Para 3.2.9.4 are not
exhaustive, but only indicative. All other exhaustive. but only indicative. All other
accessories and functional units whether or accessories and functional units whether or
not listed shall be supplied for making the not listed shall be supplied for makirrg the
system work satisfactorily and these units system work satisfactorily and these units
shall be chosen from reputed manufacturers shall be chosen from reputed manutbcturers
range and make which shall be indicated in range and make which shall be indicated rrr
the offer to make choice. the offer to make choice.
Spindle drive motors used for main spindle
shall be with adequate FIP, RPM, to make the Spindle drive motors used for main spindle
Clause 2.1of starting torque, running torque for the axles to shall be with adequate HP, RPM, to make the
Schedule-II
be turned and finished as furnished in Cl starting torque, running torque for the axle to
(Part-B) be turned as drawings given in Annxure-B.
1.2.2
Reusable filters capable of filtering chips, Reusable filters capableof chips,
dust particles etc. shall be indigenously dust particles etc. shall be indigenously
available. If reusable filter cannot be offered available. If reusable filter cannot be offered
Clause 7.3 af the filter cartridge shall be readily available in the filter carlridge shall be readily available in
Schedule-IV India. Source of supply shall be indicated. India. Source of supply shall be indicated.
Adequate no. of filters for 2yearc working on Adequate no. of filters for 2 years working on
double shift basis shall be offered as spare. Three shift basis shall be offered as spare.
Suitable coolant system PumP, motor, tank, Suitable coolant system PumP, motor, tank,
filters, oil skimmers, magnetic pre filters, filterd, oil skin\mers, magrietic pre flIters,
level, pressure and temperature sensors etc', level, pressure and temperature sensors etc',
L shall be provided. The coolant pump shall be shall be provided. The coolant pump shall be
as per 15:2161-1996. The filter shall be of as per 15:2161 -1996. The filter sha1l be of
reusable type and indigenously available. If reusable type and indigenously available. If
Clause 8.1 of reusable filter be offered the filter carlridge reusable filter be offered the filter cartridge
Schedule-IV shall be readily available in India. Source of
shall be readily available in India. Source of
supply shall be indicated. Adequate no. of supply shall be indicated. Adequate no. of
filters for 2 years working on double shift filters for 2 years working on Three shift
basis shall be offered as spare. Details of the basis shall be offered as. spare. Details of the
coolant system shall be indicated in at the coolant system shall be indicated in at the
offer. offer
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i 14t-
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Arrangement to show if the filters (including Arangement to show if the filters (including
those in the ptrhp set) are choked and need those in the pump set) are choked and need
Clause 9.1 cleaning. The filters shall be of reusable cleaning. The filters shall be of reusable
(iv) of type ad indigenously available. If reusable type ad indigenously available. If reusable
Schedule-IV filter cannot be offered, the filter cafiridge filter cannot be offered, the filter cartridge
shall be readily available in working on shall be readily available in working on Three
dor-rble shifl basis shall be offered as spare. shift basis shall be offered as spare.
Suitable filter 1 moisture trap be Suitable filter / moisture trap shall be
provided by the contractor in the system of provided by the contractor in the system of
pneumatic air intake" The filter shall be pneumatic air intake. The filter shall be
reusable type and indigenously available. tf reusable type and indigenously available. If
Clause 10.2
re-useable filter cannot be offered, the filter re-useable filter cannot be offered, the filter
of Schedule-
carlridge shall be easily available in India. cartridge shall be easily available in india.
IV Source of supply shall be indicated' Source of supply shall be indicated. Adequate
( Adequate no of filters for 2 years working no of filters for 2 years working on Three
on double shift basis shall be offered as spare. shift basis shall be offered as spare.
The compressed air supply will be provided The compressed air supply will be provided
by the customer at the machine within by the customer at the machine within
pressure range of 5 kg cm2 and a moisture pressure range of 5 kg cm2 and a moisture
Clause 10.1 content of 1000 ppm. The pneumatic system
content or 1000 ppm. The pneumatic system
of Schedule-
of the machine should be desigr-red of the machine should be designed
IV accordingly. An alarm shall be provided accordingly. An alarm shall be provided for
fbr low air pressure. low air pressure.
APPROVED fl^^f
PCME
1A
REVIEWED
CWE/Axle
CME/M&P
o \
AEE/
t AWN,{/ASM
SSE/AMM SSE/M&P S ASC
PREPARED
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