Variable Energy Cyclotron Centre-VECC has published Tender For Breakdown Maintenance Of 160 Kw Motor Of Helium Cycle Compressor 1 At Cryogenic Plant, Vecc. Submission Date for this Tender is 04-11-2023. Compressor Parts Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Oct-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 01-11-2023 |
| 2 | 01-Nov-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-11-2023 |
| Sl. No. | Item Description |
| 1 | Details of Work: |
| 2 | Removing of motor from the installed position at VECC, cryogenic plant and loading in vehicle of the vendor for replacement of bearing. After completion of replacement of bearing again loading in vehicle from the vendor to the VECC, cryogenic plant and unloading it and re-installed in existing position. |
| 3 | Motor Overhauling work [ (i) Dismantling of motor (ii) threading out of rotor from stator (iii) through cleaning of stator winding with the help of air and cloth (iv) cleaning with special detergent (v) baking of winding at 100-110 deg. C with continuous monitoring of IR value until steady IR value (vi) cleaning the winding with air and cool down to 50 deg. C naturally (vii) apply first coat Dr. Bakes make Class H varnish uniformly and curing (viii) apply of anti tracking moisture protecting varnish on stator and curing. |
| 4 | Trueness checking & dynamic balancing of rotor at rated speed |
| 5 | Supply & fixing of new SKF make bearings on rotor (NU317ECj & 6317C3) |
| 6 | Rectification of bearing housing of end shields. |
| 7 | Reassembly, testing & painting. |
| 8 | Witnessing of load trial run at site application. |
| 9 | To and fro transportation of motor from Cryogenic plant to vendor"s workshop and back. |
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