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.
The new series of Jupiter centerless cylindrical grinding machines from Erwin Junker Machinery (Elgin, Illinois) addresses the limitations to applying this process to small- to medium-sized batches.
Rush drill and tool grinders can lower hole-making costs through high precision, fast production, less downtime and reduced tool inventory, the company says.
Holding a workpiece in an upright position improves numerous aspects of thread grinding. From top to bottom, this approach represents a major change in the way precision leadscrew-type parts are produced, as embodied on Mitsui Seiki VGE60A.
A new vitrified bond technology features proprietary chemistry to achieve higher performance as well as extended wheel life for today’s advanced grinding machines.
Modern Machine Shop
United Grinding’s Blohm Aeromat profile grinder is well-suited for flexible, high-performance grinding applications.