Surface finish is the one feature of a rifle barrel that cannot be controlled in hammer forging. Now, custom rifle barrel makers are learning a trick from the makers of hammer forged barrels on how to overcome surface imperfections.
Dart masters the "peaks and valleys" of custom engine block production with an advanced American-made Sunnen SV-20 flexible honing system that uses programmable control to replicate “best” engine parameters and produce expert results with minimal operator expertise.
This second generation machining business is using a new technology that makes a 60 millionths tolerance look generous. No kidding.
The hydraulic shop of this Cat dealer salvages cylinders up to 21 ft long by re-surfacing them with an HTA tube hone, saving their customers 80 percent or more over cost of new barrel.
Damen Carbide Tool Co.
expands its holemaking capability and business base with honing capacity to 9 in diameter and a 60 in stroke length using hones from Sunnen
Exotic materials specialist
They will partner with GM on the CVT 250 project for gear hones and supply Ford with Scudding sun gears on new transmission lines.
The remanufacturer now operates several honing machines in three of their plants.
Chris Miltenberge is the president and chief operating officer.
Ideal for multiple-land and tandem bores, heavy/odd shaped parts, keyed or splined bores, blind bores and thin-wall parts, the value-priced SSH-1680 honing system from Sunnen brings power-stroke efficiency to small shops for sizing complex bores up to 60 mm diameter and 250 mm length.
Using direct-driven, digitally controlled spindles for the tool and the workpiece, the Präwema SynchroFine 205 HS gear honing machine from GMTA can produce gear finishing quality comparable to grinding for spur and helical gears, as well as shafts.
The SV-20 honing system from Sunnen Products is the first competitively priced large-part machine for job-shop part production with a true linear, vertical, servo-stroking system to produce precision bore geometries on compressors, oilfield components, automotive/truck blocks and similar parts.