Russell cutting tools co. ltd

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Diagonal Cutter Manufacturers. Laser Cutters Manufacturers. Cable Cutting Tools Importers. Until all metal tubes were expensively and laboriously welded by hand in short lengths. When, in , Murdock celebrated the signing of peace with Napoleon,and at the same time demonstrated the utility of gas for illuminating purposes by lighting up the front of large Birmingham foundry, the tubes which carried the gas consisted of gunbarrels screwed together.

About the year , however, Cornelius Whitehouse erected his famous drawbench at James and John Russell's Church Hill Works, Wednesbury, and this invention — by enormously increasing the size limit and strength of tubes, and decreasing the cost of production — effected a revolution in the trade. To-day the trade employs three distinct methods of manufacture.

The oldest processes are those of buttwelding and lapwelding. In buttwelding, the edges are joined together without any alteration from their original condition. In lapwelding the edges are bevelled prior the making of the skelp, and are then lapped over one another and welded together by the external pressure of rolls against the internal support of a mandrel which fits the inside of the tube. The third process is that of making seamless tubes by drilling billets of steel through the centre, and drawing them out to size.

Lapwelded and buttwelded iron and steel tubes are used the boilers of locomotives, marine and agricultural engines, and for all purposes connected with the conveyance of oil, water, gas and steam.

Weldless steel tubes are employed chiefly in the boilers, condensers, reservoirs, super-heaters and other parts of war-vessels The miscellaneous articles turned out of a tube manufactory include well-boring and casting tubes, core-bars, tramway. I have already indicated the broad lines of the process. Now for some of the details of manufacture. The iron strips which represent tubes in the first stage of manufacture are first bevelled along both edges by being placed a powerful drawbench, and palled through box fitted with cutting tools.

In a long low furnace they are next heated by gas until the experienced eye of the workman in charge tells him they are ready for skelping. When that time arrives, they are pulled out one by one, and each strip drawn, with the help of an endless chain, through the skelping die. As it comes through, the edges bend round until the strip is in the form a rough tube, and then, with a crash and shower of flying sparks, it falls to the ground to await the time when it shall be welded.

The welding furnace is similar to the skelping furnace. In its terrific heat the skelp lies until ready for welding. Then, at the far end, a man armed with a long bar pushes it forward.