About 32 years ago, some people envisaged India as being capable of producing world-class products. They then identified Chilled Cast Iron Roll (for various applications) as one such product. To realise this vision they formed the company Calcutta Rolls Manufacturing Company (CARSCO).
Today, CARSCO has established itself as a major market player in almost the entire range of rolls manufactured by it. The key to its success has been its ability to imbibe the latest ongoing innovation in technology and its coming up with "sure-products". Multi-Serve Rolls Ltd. (MSRL) is the logical expansion for offering a range of such "sure-products" comprising newer qualities and sizes of rolls for the most demanding applications.
MSRL is situated in the heart of the upcoming industrial area of Serampore in Hooghly district, West Bengal, MSRL is one of the most modern roll making facilities equipped with up-to-date technology, machinery and human resources in the field of roll manufacturing supplier. TECHNOLOGY Technology for some people is a tool to manufacture quality products. For us it's a passion to render Quality Value. Our directors, along with the highly experienced and proven engineers in the field, look personally into every aspect of customer requirement and their ultimate satisfaction. Beginning with complete knowledge of material, our concern for quality runs through an extensive quality control process and ends into constant innovative developments of products for every application. Higher rolling speed and improved uniformity of gauge, section and finish of the rolled product is dependent entirely on the quality of the rolls employed.
HUMAN RESOURCES At Multi-Serve we believe thoroughly in the paramount importance of 'The Man behind the Machine.' It is the qualified, visionary technocrats who put their experience, knowledge & theoretical development into the production process in our modern foundry. With our commitment to highest quality and ability to technical excellence, we know that the choices of metal and composition of rolls are dependent on applications, and hence we thrive constantly to make sure that they are continuously updated in accordance with the latest development. It's due to our human resources that economic and punctual order processing goes without saying. While most believe in satisfying customers, at Multi-Serve we thrive to delight you with our product & service.
Product Application
Applications
While we are currently capable of producing rolls weighing up to 6 MT with diameters ranging from 250 mm to 800 mm. We plan to increase our range two-fold by the year end.
Various qualities of Rolls are cast depending upon the application of these rolls. Some of the qualities are : Steel Rolls (Alloy Cast & Alloy Steel Base) Spheroidal Graphite Iron Rolls (Pearlitic & Aceicular) Indefinite Chill Rolls Clear Chill Rolls Double Poured or Composite Iron Rolls Hollow & Solid Rolls (for non-metallic applications)
These Rolls are made mainly for the following applications :
Ferrous Rolling Non-Ferrous Rolling Paper Calendering Rubber Mixing & Calendering Seamless Tube Rolling Solvent Extraction through Cracking & Flaking Compound Mixing in Soap, Chocolate, Paint Industries etc. Stem Flattening Machines for Tobacco Industries etc. Sugar & Salt Milling Textile Calendering.
Machines
Machinery
Our choice of machinery relates directly to the stages of production and the quality control process.
We have a full-fledged Laboratory comprising all the analytical equipments required to determine the right quality & composition of raw materials.All furnace additions are duly analysed and pre-treated here.
Special moulding techniques have been developed to improve upon the roll quality for chill as well as the other rolls. The high quality scrap (with controlled sulphur & phosphorous and other raw material), once tested, move to the latest designed Induction Melting Furnace for clean and homogeneous melt of proper composition. Proper temperature control during the course of the heat and at the time of pouring of the roll is exercised with the help of Immersion and Optical Pyrometers. Bath sample of each melt is analysed for composition and determination through the latest model of German Spectrometer. Every possible precaution is taken to minimise hydrogen. The process guarantees uniform structure & mechanical properties over the particular zone.
Rolls then move to our large Machine-Shop, where each roll first passes through a series of heavy Roll-Turning Lathes for Proof Machining.
At this stage, various tests are carefully carried out to determine if the roll is zero-defect and qualifies for further processing.Hardness Testing A series of Metallographic and Mechanical tests monitor the structural homogeneity and ensure that rolls are free from cracks, blow holes, gas holes, etc. Hardness is measured using the 'Shore', 'Vickers' & 'Dynamic' Hardness Testers.
The rolls meeting all the stringent tests to our complete satisfaction are then sent to the rest of the machine-shop, comprising High Precision Lathes, Radial Drill Machines, Boring Machines, Wobbler Milling & Grinding Machines, etc.
Meanwhile all the steel rolls require heat treatment. The Hardening and Tempering furnaces are provided with Temperature Control Microprocessors and the required rolls are subjected to various heat treatment cycles. Stress Relieving of Special S.G. Rolls is also done here.
Metallurgical tests in respect of grain size and microstructure are carried out after heat treatment and eventually the Ultrasonic testing is done, where required, to ensure the overall internal soundness of the roll.Dynamic Balancing Hollow rolls are dynamically balanced at different RPM to ensure their friction free movement. Finally the rolls, as required, are tested by means of Non-Destructive testing methods like ultrasonic, magnetic particle inspection and dye-penetrant tests and the best possible quality of roll without surface and internal defects is ensured.
For large or critical rolls, samples are removed from the rolls to carry out Tensile, Impact and Microstructure tests to ensure optimum properties in service.
Roll material and the groove design are major factors affecting rolling performance and roll life. It is after these series of tests and quality control process that we finally present our rolls for the ultimate inspection, approval and delivery. Rolls are always despatched with the identit
Fact Sheet
Nature of Business
:
Manufacturer, Exporter
Number of Employees
:
26 to 50 People
Contact Details
Company Name:
Multi Serve Rolls Limited
Contact Person:
Mr. Vivek Singhania
Telephone:
+(91)-(33)-22295605 / 22264154 / 22295606
Fax No:
+(91)-(33)-22171319
Address:
77/1a, Park Street, 2nd Floor, Kolkata, West Bengal - 700 016 (India)
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