Tender Overview
Project Description
SUPPLY OF CNC Slant Bed Turning Centre with standard accessories and graphics. The machine shall be designed for use with all functions to achieve high machining accuracies of turning components,SCOPE:Design,manufacture,supply,commissioning and proving of machine as mentioned,CAPACITIES,Type Of Bed Inclined 45 degrees,Maximum Turning Dia of chucking jobs 250mm,Swing over protection cover 420.00mm(Min.),Job length between centres 575-600mm,Turning Diameter between centres 250 mm (Max.),SPINDLE,Spindle nose A2-6,Hole through Spindle 53mm(Min.),Spindle socket taper Metric-60,Drive Air Conditioning Variable speed,SPEEDS,Spindle speed range RPM 100-3000,Selection of speeds through MDI/Programme,Type of spindle drive Air Conditioning variable speed digital drive,Drive Air Conditionig Servo,FEED DRIVE(LONGITUDINAL),Type of feed drive Air Conditioning Servo,Feed range 1-5000 mm/min,Rapid traverse rate 15000mm/min,FEED DRIVE(CROSS),Type of feed drive Air Conditioning Servo,Feed range 1-5000mm/min,Rapid traverse rate 15000mm/min(Min.),TURRET,No of tools on turret External/Internal 8Nos. (any combination),Turret indexing positions 8 nos. bi direction,shortest path,Turning tool shank size 25x25mm,Boring holders size 40.00mm,Turret clamping/actuating-Hydraulic,Boring length upto 200mm with TIR 0.1mm(accuracy),POWER,Spindle drive motor (standard) 7.5kw (contineous),Hydraulic power pack motor 2.2kw,In coming supply 415 volts,50Hz,3 Phase AIR CONDTIONING supply,ACCURACIES,Positioning Accuracy a) X-axis(+,-) 0.008mm over 100mm b) Z-axis(+,-)0.015mm over 300 mm,Repeatability : a) X axis (+,-) 0.002mm b) Z axis(+,-) 0.003 mm as per JIS,CNC system - CNC control system FANUC/SIEMENS,Programmable facility for sequence of operation,Diagnostic facility should be provided for fault identification.Diagnostic facility should be provided for fault identification,MAIN FEATURE,The machine bed shall be of vibration free rigid structure thermally stress relieved to provide and maintain high level accuracy.Other element made of closed grain and stress relieved high grade cast iron to give good vibration damping and long life stability,The machine shall consist of vertical slant bed plane for obtaining optimum accuracy and maximum cutting power under extreme condition,Head stock shall be fitted with high quality bearing allowing high speed with radial and axial rigidity,Ensure that the head stock will be maintenance free and grease pack for free life time,Standard tail stock should be provided in/out type with tabling facility to accommodate large jobs,Hardend and Ground rectangular guide ways with Anti-Stick slip liner or epoxy coating suitable for slides,The machine shall be provided on both axis slides to ensure better positining, accuracy and repeatability of the slides,The machine should be capable of performing variety of machining operations smooth and trouble free,All interlock safety, over load protection and all slide covers with safety guards to be provided,ESSENTIAL ACCESSORIES,Isolation transformer,Voltage stabilizer,Automatic chip conveyor and chip bin,In-built AIR CONDITIONING for control panel. Housing drives and CNC control(make Advance cooling system/Rittal/Chilton),Centralized lubrication system,Hydraulic System,Hydraulic power pack oil reservoir will be of sufficient capacity including temperature gauge,suction filter,return filter of standard make,Pumps and valves should be of standard make,Heat exchanger shall be provided to maintain the temperature of the hydraulic oil below 30 degree centrigrade around the year. Make advance cooling system/Rittal/Chilton,Pressure gauges for pump and system has to be provided,Machine lighting equipments,Coolent system with splash guard,Hydraulic self centering 3 jaw chuck with Actuator dia 250.mm make-Rohm/Auto Blok,Manual pulse generator,Rapid display,Programmable dual chucking pressure system,SPECIAL NOTE,The X-Axis and Z-Axis feed motor may be kept identical in size & capacity in order to reduce inventory & allow interchangeability,Two years running maintenance spares should be quoted with make and cost details,The Power supply for drivers and CNC must have built in feature for handling over voltage/spikes,Three sets of manual covering programming, CNC System, operations, maintenance & spare parts,Operating and Maintenance tool kit,Guarantee and Warrantee,The firm should give guarantee for the performance of the complete system for the period of 12 months from the date of commissioning and warrantee against bad workmanship, design and material for the same period, if any defect found shall be rectified/repaired/replaced at free of cost by the firm,Supplier shall attend the machine just before the expiry of guarantee period and examine the defects of the machine and give suggestions on maintenance,Details of all test certficates to be produced by the firm before the supply of materials,The supplier must provide erection instructions and drawings to the purchaser at least 12 weeks prior to the supply of machine,INSPECTION CRITERIA,Pre-dispatch inspection will be carried out at the firms premises and only after the clearance from the PDI team, machine and materials can be dispatched.Tools should be designed and provided by the firm to carry out trial at firms premises and at OFAJ, (quantity should be quoted),At firms work proving of machine parameters to specification and manufacturing components as per input and output for PUNCH TIP (FT-2027)DRG.NO.SK-1312 is enclosed,Joint inspection at consignees premises on receipt of the machine at the consignees end.The contractor shall depute technical representative for joint inspection within three days on receipt of request from purchaser to ensure correc tness of the materials as per supply order,Acceptance Criteria-Final acceptance will be made only after successful erection,commissioning and trials at OFAJ,Commissioning of the machine shall be carried out by the supplier at OFAJ. Trial period 7days of 1x8 hrs. a shift. Tools to be provided by firm,Training to the production and maintenance personnel by the firms representative at OFAJ on free of cost at the time of installation and acceptance trial of the machine,Material(input)Qty.3Nos. will be provided by OFAJ for trial on Bank guarantee.
Tender Timeline
Tender Published
Tender notice published.
CompletedBid Submission Deadline
Online submission via eProcurement portal.
CompletedBid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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