Skiving and Burnishing Machine creates hydraulic cylinders.

Press Release Summary:

With feed rates up to 100 ipm, SBN300/1-600 Skiving and Roller Burnishing Machine can achieve hydraulic tube ID’s ranging from 1.37–16 in. and lengths up to 40 ft. using plain carbon steel, ST-52, ST-55, or aluminum for tube construction. Bore tolerances of IT7-IT8 and surface finish as fine as 4–6 Ra µin. are possible. Dual-pressure hydraulic clamping settings are programmable for self-centering vices that hold component in place during manufacturing, ensuring uninterrupted smooth finish.

Original Press Release:

New Skiving and Roller Burnishing Solutions from Precihole for High-Precision Hydraulic Cylinder Manufacturing

Elgin, IL --  The SBN300/1-600 skiving and roller burnishing machine from Precihole Machine Tools Pvt. Ltd., is capable of achieving hydraulic tube ID’s ranging from 35mm (1.37”) to 400mm (16”) and lengths up to 40-ft. using plain carbon steel, ST-52, ST-55 or aluminum for tube construction. By combining skiving and roller burnishing into a single operation using a combination tool, the manufacturing process is typically 40 to 50 times faster than honing, resulting in a tube ID that is not only more work-hardened than the parent material but also features an extremely high surface finish. Additionally, feed rates of up to 2500mm/min (100 IPM) are possible during processing. Bore tolerances of IT7-IT8 and a surface finish as fine as 4 to 6 Ra micro-inches are possible. Multiple self-centering vices are provided for support for longer tube applications.

TheSBN300/1-600 skiving and roller burnishing system uses a tool that is rotated and fed with a high-capacity AC spindle motor mounted on a rack and pinion arrangement for long tubes measuring more than 2m (6-ft.) in length while a ball screw and nut mechanism is used for shorter tubes. Dual-pressure hydraulic clamping settings are programmable for the self-centering vices that hold the component in place during manufacturing, ensuring uninterrupted smooth finish and uniform size control throughout the tube. Vibration dampeners help support the tube and remove any vibrations while the tool finishes the ID at high feed rates. The machine comes with a recirculating high-pressure coolant system and a chip shredder to cut long chips prior to transport. A CNC controller and tool monitoring system that helps protect the tool are also standard.

Skiving is a metal removal process that rapidly removes a layer of material from the internal surface of a tube, preparing it for the burnishing process. The skiving tool is a modified floating reamer with carbide inserts for cutting. The roller burnishing finishing process cold works the surface by pressing multiple rollers against the surface to flatten the “peaks and valleys” creating by skiving resulting in an exceptional mirror-like surface finish preferred by manufacturers of off-road equipment, mining equipment, and material handling machines among other applications. Precihole skiving and burnishing machines are available exclusively in North America from Absolute Machine Tools, Inc.

For more information, contact Absolute Machine Tools, Inc., at its headquarters 800-852-7825

About Absolute Machine Tools, Inc.

Absolute Machine Tools, Inc. sells and supports Nexturn Swiss-type lathes; Precihole gundrilling Machines; AccuteX EDM wire, sinker, and hole drilling machines; You Ji Vertical Turret Lathes; Johnford Sliding Double Column Machining Centers; Tongtai Horizontal Machining Centers; and APEC 5-axis gantry-style linear motor machining centers;. The company has worked with several of its principal machine tool partners for 25 years to offer some of the most heavy-duty, accurate, and productive machines in the industry. The company has built its reputation on exemplary applications engineering, service, customer support, comprehensive training, and effective preventive-maintenance programs. In addition to its headquarters in Lorain, Ohio, the company has established direct full-service technical centers in Mason, Ohio, Elgin, Illinois, and Livonia, Michigan.

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