Automaker BMW challenged the Kennametal Inc. to develop a tool that accentuates the advantages of reaming and line boring while virtually eliminating the disadvantages. Kennametal accepted the task and developed its asymmetric line boring bar, which has two guide pads positioned so they only contact the last journal.
Metal finishers now can achieve both a high quality black oxide finish and a zinc phosphate finish using the same processing system from Birchwood Technologies.
Weiler Corp.'s Burr-Rx deburring tools feature black ceramic grain filaments. According to the company, this delivers up to a 400 percent greater edge-cutting action compared to traditional silicon-carbide and aluminumoxide filaments, minimizing cycle times and maximizing media life.
Sunnen says its new SSH-1680 honing system makes the efficiency, accuracy and consistency of power-stroke honing, affordable to shops looking to make better bores, faster, on a range of parts.