ADDISON-MCKEE SPINS OUT NIHON SPINDLE CATALYTIC CONVERTER TECHNOLOGY TO EUROPE AND THE USA
14 January 2003 - Addison McKee

World-renowned

When looking to appoint a distributor for their technologically advanced catalytic converter spinning equipment outside of the Japanese and Northwest Pacific marketplace, Nihon Spindle saw Addison-McKee as the obvious choice.

Renowned for the manufacture of high quality tube bending machines, and with the highest quality end-forming technology available from McKee-Addison, its USA division, Addison-McKee’s credentials offered just the right level of expertise in sales and service - combined with the in-depth knowledge of customer support in the European and North American markets – that Nihon Spindle required.

Highly efficient

With no cutting, waste or need for welding, as the metal shape is formed during the
spinning cycle, flow-forming is already successfully used in the manufacture of all manner of vehicle components, ranging from headlamp casings to gears and shock absorbers.

Where catalytic converter production has traditionally been achieved by the welding
together of separate half-shell sections, Nihon Spindle’s flow-forming technology enables the cat outer to be manufactured from a single metal tube.

Spun to size

With the exhaust component held static on the Nihon spinning machine twin or four-axis spinning rollers first spin one end of the intended catalytic converter down to size. A monolith ceramic brick – dressed in a flexible and protective cotton matt - is then inserted via a stuffing machine and the other end of the converter is also spun down to size.

Exhaust inlets and outlets can be spun at virtually any angle via CNC programming and, with less welds and joints, significantly better waste gas flow rate is achieved than with traditionally made catalytic converters.

The benefits of cold spinning catalytic converters using the Nihon Spindle process
include:

· Cat can be positioned closer to the engine for improved efficiency
· Converters can be made to the smallest possible shape/size
· No metal wastage through cutting
· No need for flanges or welding
· Easier positioning in today’s increasing complex engine bays

Wide product portfolio

With Nihon Spindle technology in their portfolio -complementing the wide range of
Addison-McKee Databend CNC bending machines, end forming machines and newly
available catalytic converter sizing/ monolith stuffing machines - Addison-McKee can now proudly claim to exceed exhaust and catalytic converter manufacturers’ most specific needs.

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