"Glebar Company developed its GT-610 CNC centerless grinding machine to infeed grind as many as eight aerospace fasteners per cycle with extreme precision and accuracy," said a company spokesperson.
Glebar recently received an order for a GT-610 CNC machine from an aerospace fastener supplier looking to replace its old technology with a machine that could function in both a high production and quick changeover environment.
"By replacing older and rebuilt grinders with Glebar GT-610 CNC models, these aerospace parts suppliers have been able to reduce floor space; run many machines with one operator; exponentially increase production per machine; reduce cycle, changeover and set-up time; decrease consumable costs; improve quality and introduce greater flexibility to handle a broader range of parts than was previously possible," said John Bannayan, President, Glebar Company.
"Teaming the GT-610 CNC with Glebar's offline P4K measuring system makes a difference. Setting up eight parts per cycle is the same as setting up one part per cycle on this system. On older technology, setting up that many parts to run at once introduces too much room for operator error and takes way too long," said Adam Cook, Chairman & CEO, Glebar Company. "The P4K allows for 100 percent inspection of each part: it scans all parts in a cycle (all stations) and feeds back diameter, including taper and radii, to correct wheel dress shape automatically and for the complete profile geometry. This is done in a matter of seconds, reducing set-up time and improving quality control."
Traditionally, aerospace fasteners go through a centerless grinding process to achieve the required diameter. Most of these processes are infeed ground at the rate of one piece per cycle utilizing 50-year old technology. This meant that for an aerospace fastener manufacturer to multiply part output, it would have to multiply the number of grinding machines on the factory floor.
"One of the key advantages to the GT-610 CNC is the motorized work rest blade that adjusts the lateral position of the parts (while grinding), which is ideal for controlling flush head angles and the radius behind the fastener heads. We have a patent pending on this mechanism," said Bannayan.
"We have shown our customers a lot of things that they could do to increase production while lowering costs. Some of the enhancements we developed included automation, in-process and offline gauging, auto-offsetting in microns, enhanced wheel dressing capability, an auto dress feature, automatic wheel balancing and acoustic emissions sensing, multiple independent position slide adjustability and incorporating advanced grinding wheel materials that exploits a higher speed grinding spindle on a more rigid and stable machine."
"Glebar is typically able to redress far less frequently when grinding these fasteners, and our smaller wheels often last much longer than wheels of larger diameters. Larger wheels also tend to rub, leading to faster wheel breakdown and frequent redressing. Titanium in particular likes to be cut not rubbed," said Robert Gleason, Vice President of Engineering, Glebar Company.
For more information contact:
Mark Bannayan
VP of Sales and Marketing
Glebar Company
565 East Crescent Avenue
Ramsey, NJ 07446
201-337-1500 / 800-235-5122
info@glebar.com
www.glebar.com