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The Sunnen HTC-series tube honing system can impart accuracy-enhancing bore geometry and size (±0.00005 inch end-to-end) with a finish of 3 to 8 microinches Ra. This technology is critical for honing small-caliber barrels efficiently and precisely.
Over the years, this Indiana job shop/contract manufacturer developed a specialty in gear making. Now it is taking this specialty to a grander scale. Two large machines for high-precision internal gear grinding are the main anchors of the company’s new precision grinding room.
A Walter Vision five-axis grinding machine at this shop is equipped with an automatic wheel changer and an autoloader. These features enable quick changeovers for short-run jobs and unattended operation for “lights-out” production of large batches.
One of the details that has been improved on a new cylindrical grinder is a casting design that isolates coolant from affecting the structure of the machine.
Lori Beckman (editor)
Shigiya (USA) Ltd. introduces its GPES-30 series of CNC eccentric pin/polygon grinders.
New technology from Praewema enables a host of processes to be performed on one machine, using two spindles to cut teeth on internal or external gears.
Chris Felix (editor)
With several factors propelling a surge in demand for parts with technically complex external and internal threads with large pitches, the need for better accuracy and efficiency has created challenges.
Edited by Jedd Cole
Rollomatic’s ShapeSmart NP3 is a single-wheel cylindrical grinder with peel and traverse-grinding capabilities, designed for manufacturing blanks in the cutting tool industry as well as precision punches and similar parts.