Boring Bars and Inserts
Source: Criterion Machine Works
Boring bars produced from micro-grain carbide materials have a sharper edge that holds up longer
Boring bars produced from micro-grain carbide materials have a sharper edge that holds up longer. The 10% cobalt materials are said to be superior for finishing operations either with the company's boring heads or in engine lathes, turret lathes, or automatics. Users can choose from six sizes.
The boring bars use carbide inserts with a submicron grain size. Inserts are available in two sizes — 0.250 in. or 0.375 in. IC — and four different geometries. Also available are heavy metal boring bars, which enable machining of deeper holes by dampening vibration and reducing chatter. The heavy metal bars are produced from a 95% tungsten material with a nickel-copper-iron matrix.
Criterion Machine Works, 765 W. 16th St., Costa Mesa, CA 92627. Tel: 949-631-5444. Fax: 949-631-1547.
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