Unique Gewefa hydraulic chuck for holding Sandvik Coromant EasyFix boring bars22-Jun-2017 GEWEFA UK LTD
Gewefa has developed a unique hydraulic chuck for holding Sandvik Coromant EasyFix® boring bars that removes the need for reduction sleeves while eliminating run out and guaranteeing the centre height at the insert cutting tip.
Setting time is substantially reduced – by as much as 75% - with the Gewefa design featuring a spring plunger mounted in the toolholder body. This locates into a fine groove machined into all Sandvik EasyFix boring bar shanks and aligns the bar position precisely for the correct centre height. Along with the hydraulic chuck operation, a secure grip is guaranteed with integral anti-vibration damping to optimise the machining process.
By eliminating the previously accepted method of securing boring bars into a toolholder with reduction sleeves, the opportunities for inaccuracy and bar deflection during boring operations are now greatly reduced.
Gewefa also offers a system for other proprietary systems with the ground angle on the back end (of the bar) locating against a stop pin at the base of the toolholder. This ensures precise central positioning and orientation with the bar then locked into the hydraulic chuck.
The advantages of all systems is a 50% increase in cutter life due to the more secure, vibration-free grip, guaranteed repeatability when changing like-for-like bars and a simple, fool proof fitting process.
Gewefa offers the hydraulic chuck for ARNO, System Dieterle, DTS/HOBE/MAS/SUMITOMO/SANDVIK/ SIMTEK and VARGUS screw orientation options along with other systems.
For further information contact the sales team at Gewefa on 01225 811666 or email@example.com or visit the web site at www.gewefa.co.uk