The Hole Story
News from the honing industry leader

Sunnen to introduce the new SVL-2115 automatic lapping system at IMTS 2016, booth N-7400
The Sunnen SVL-2115 Automated Lapping System

Sunnen's new SVL-2115 automatic multi-stage lapping machine brings increased productivity and part consistency to a traditionally manual process, providing single setup processing of hydraulic valves, sleeves, fuel system components and other parts prone to distortion. The walkaway system uses an index table to automatically lap and air gage bores throughout the cycle. Gage readings are fed back to the control and the cycle is repeated until the parts are within spec. Sunnen will demonstrate the new lapping system at booth N-7400 at IMTS 2016.
     "Automated lapping is more consistent than manual, without requiring skills necessary for precision manual lapping," said Phil Hanna, Product Manager, Sunnen. "For very expensive parts an automatic lapping process reduces the possibility of ruined parts due to human error."
     The lapping system handles workpiece diameters from 6.5 to 20 mm (0.26 to 0.70 in) and lengths up to 12 times the bore diameter, up to 200 mm (7.87 in).
     "This system is a time-saver and it frees operators to run another machine, or handle other job floor duties," added Hanna. "Operators load the workpiece into the fixture and start the lapping cycle, the cycle ends when the part is in tolerance."

The future of honing is now ... Sunnen IMTS Preview
Sunnen's next-generation SH-6000 KROSSGRINDING honing system

Manufacturing technology is advancing a light speed and honing technology is no exception. In addition to the new SVL-2115 automatic lapping system (article above), Sunnen will introduce a number of exciting honing developments at IMTS such as:

See all of this and more from Sunnen ... IMTS booth N-7400.


Sunnen Products Company
7910 Manchester Rd.
St. Louis, MO 63143

For more information on Sunnen honing equipment and accessories, visit our website at :

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