Press / News & Events »

Year 1989 - Inception of Vardhman Stampings

Year 2000 - Certified with ISO 9001:2000 Certification from DNV, Netherlands, first of its kind then among Indian lamination processors

Year 2002 - approved by PGCIL* in 220 kV class in ring core category

Year 2004 - First in India among lamination processors to install CNC GEORG cut-to-length line having capacity to cut 1000 mm width and 5500 mm in length with Step-Lap Cutting and Auto Stacking facility

Year 2006 - Started processing / promoting to use Fully Step Lap Core

Year 2006 - Approved in 132 kV class by PGCIL* for transformer lamination

Year 2006 - Added one more CNC Cut-to-Length line of 640mm and CNC Slitting Line of 1000 mm width

Year 2007 - Upgraded to 220kV class transformer lamination BY PGCIL*

Year 2007 - Installed UNICORE machine for manufacturing wound core ( single & three phase transformer )

Year 2007 - Installed CNC slitting line of 1000mm and semi automatic Cut-to Length line of 400 mm width

Year 2008 - Approved in 400 kV class by PGCIL*

Year 2008 - Got approval to process transformer lamination up to 1000mm width and 5500mm length by NTPC**

Year 2008 - Successfully audited for Six Sigma - Achieved Three Star rating

Year 2008 - Started production of Radiators for Power and Distribution transformers

Year 2008 - Acquired Government recognized Star Export House.

Year 2008 - Dr. BROCKHAUSE Quality lab comprised with facilities of FRANKLIN Tester, Epstein Tester, Single Sheet and Ring Core Tester.

Year 2009 - Installed CNC-cut to length line of 1000mm width having facility of Step-Lap cutting & auto stacking.

Year 2009 - Certified with OHSAS 18001 : 2007 Certification from DNV, Netherlands, first and only of its kind in indian lamination processors.

Year 2010 -
ELECRAMA - 2010
20th - 24th Jan 2010
Stall No. H6 N38

Year 2010 -
MEE SHOW - 2010
09th - 11th Feb 2010
Dubai, Stall No. 2E38

Products
› Home › Products › Raw Material › Technical Specification

Flux Density V/s Losses in Lamination

Flux Density M3 M4 M5 M6 23 MOH 27 MOH 30 MOH 23ZDKH85/TRAN-COR H-0DR+ 27ZDKH90 27ZDKH95/TRAN-COR H-1DR+
1.30 0.49 0.64 0.68 0.73 0.50 0.57 0.57 0.46 0.48 0.48
1.35 0.53 0.68 0.74 0.79 0.54 0.60 0.62 0.49 0.52 0.51
1.40 0.58 0.74 0.80 0.86 0.58 0.66 0.65 0.53 0.56 0.57
1.45 0.64 0.78 0.87 0.94 0.63 0.70 0.70 0.57 0.60 0.61
1.46 0.65 0.80 0.88 0.97 0.64 0.71 0.71 0.58 0.61 0.62
1.48 0.67 0.82 0.91 1.03 0.66 0.73 0.74 0.60 0.63 0.64
1.50 0.70 0.84 0.94 1.11 0.67 0.74 0.76 0.61 0.64 0.66
1.52 0.72 0.88 0.97 1.14 0.69 0.76 0.78 0.63 0.66 0.68
1.54 0.75 0.90 1.1 1.18 0.71 0.79 0.80 0.65 0.68 0.70
1.56 0.78 0.93 1.04 1.22 0.73 0.81 0.83 0.67 0.70 0.72
1.58 0.81 0.96 1.08 1.26 0.75 0.83 0.85 0.69 0.72 0.74
1.60 0.85 1.00 1.12 1.30 0.77 0.85 0.87 0.71 0.74 0.76
1.62 0.89 1.03 1.16 1.35 0.80 0.89 0.90 0.73 0.76 0.79
1.64 0.93 1.07 1.20 1.40 0.82 0.91 0.93 0.75 0.78 0.83
1.66 0.98 1.10 1.25 1.45 0.85 0.94 0.96 0.78 0.81 0.87
1.68 1.03 1.15 1.30 1.51 0.90 0.96 1.00 0.81 0.84 0.91
1.70 1.09 1.20 1.36 1.57 0.92 1.00 1.05 0.84 0.87 0.95
1.72 1.15 1.24 1.42 1.64 0.95 1.02 1.07 0.86 0.90 1.01

Above results are measured in VARDHMAN - Dr. BROCKHAUS Magnetic Material Testing Laboratory.
Above values are for reference only.
Above values are watts/kg@50 Hz.

© Copyright 2009, Vardhman Stampings Pvt. Ltd.

develop by: Gateway Group of Companies | Privacy Policy