Says Mollart managing director Ian Petitt: “OTW, like Mollart, services many of the global industrial sectors such as oil and gas, automotive, medical and hydraulic as well, as general metalworking.Therefore, our appointment will not only broaden our deep hole drilling product range but also expand our customer support capability across the finishing of bores and deep holes through standard and customised honing abrasive tool supply.”
OTW has a bore finishing history spanning over 100 years. It has sales of some $12 million with an 80,000 ft2 facility in Ashland, Ohio. It produces a range of OTW-VersaHone vertical honing and OTW-1000 horizontal single- and twin-spindle honing machines for precision finishing of on-centre and off-centre bores, plus a wide range of bore and tube hone tooling.
With an in-house capability to mix abrasives, OTW is also able to specifically tailor tools to suit a particular process. Honing stones are available in metalbond and vitrified bonds, covering silicon carbide, aluminium oxide and vitrified abrasives, in standard and customised variants of grains, grades, grit sizes, formulations and mounts. These will support all major brands of bore honing machines.
The company is also a key supplier of microcrystalline and monocrystalline cubic boron nitride (CBN) abrasives and diamond abrasive tooling in synthetic and natural diamond for the finishing process.Tool geometries cover all standard heights, widths and lengths with modified standards for blind holes, hard tips, pre-radius and pre-condition requirements. OTW is a proven specialist supplier of honing oils, too.
Its OTW-VersaHone vertical machines have bore production capacities from 5.0 to 610 mm, with strokes up to 1,829 mm offered, while the OTW horizontal machines have capacities from 12 to 610 mm as standard, with larger diameters available on request. Machines are able to work to bore depths up to 16 m and stock removals can be up to 40.9 cm3/min. Full automation packages are available through Mollart Engineering.
