SILK Surface Improvements (India) Ltd
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Roto Finish (Click here)
SILK’s 12 years association with Hammond Roto Finish Inc, USA has resulted in great strides in the area of problem solving for finishing in the component industry. SILK owes its numerous successes to the extensive learning that has taken place during this long association. As Roto Finish distributor in this part of the world, SILK has substantially upgraded the quality of finishing compounds used in Indian Industry. The Roto Finish range of environmentally safe and completely biodegradable finishing compounds have the twin advantage of short cycle upgradation of surfaces without the need to resort to the use of hazardous acids that are so harmful to ecology. SILK now shows the eco-friendly way for even descaling of heat-treated components, cleaning of moly-coated components and a wide range of deburring, polishing and even buffing requirements.
Nagel (Click here)
SILK’s nearly 10 years association with Nagel Gmbh, Germany has helped SILK to emerge as a significant solutions provider in the area of Super Finishing and Honing of precision automobile and engine components. Nagel honing and super finishing stones have made a mark as stones with a productivity and consistency performance unmatched by most other manufacturers whether Indian or Foreign.
Abrasive Flow Machining (Click here)
SILK in association with Central Manufacturing Technology Institute (CMTI) is developing a range of systems to finish complex internal profiles including valves, valve-bodies, forging dies and the like via the technique of Abrasive Flow Machining

In abrasive flow machining, the abrasive fluid flows through the workpiece under hydraulic pressure, effectively performing material removal to the required degree to arrive at the necessary surface finish. The highest amount of material removal occurs in areas where the flow of the fluid is restricted and the resistance to flow is maximum. The uniform pressure exerted by the fluid on all contacts surfaces also results in a very uniform finish.

AFM may be performed once, as a one-way flow process, or repeatedly as a two-way flow process. In the two-way flow process, a reservoir of medium exists at either end of the workpiece, and the medium flows back and forth through the workpiece from reservoir to reservoir.