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Multifunctional Deep-Hole Drilling System

Designed around the BTA deep-hole drilling process in cylindrical parts, Sunnen’s heavy-duty SHDD Series performs similar processes including counterboring, pull boring, trepanning, bottom forming, and skiving/roller burnishing.

An additional vibration dampener can be added to each of Sunnen’s three SHDD Series deep-hole drills, but reduces part length by about 1 foot. Part lengths range from almost 7 feet to almost 20 feet.

The SHDD Series from Sunnen Products Co. (St. Louis, MO) can use multiple tooling types to achieve tight diameter control, straightness, and superior surface finish in a variety of workpieces and materials from aluminum to super-alloys. The heavy-duty deep-hole drill’s controls with open platform communications united architecture (OPCUA) remote process monitoring enable operators to reliably, accurately, and efficiently achieve manufacturing tolerances and production requirements.

Internal diameter bore ranges range from 0.8-inch to 5 inches (19 to 127 mm) for drilling and up to 7 inches when counterboring and trepanning. Outside diameters reach 20 inches (508 mm).

Maximum part length for the SHD-2500D is 78.7 inches (2,000 mm).
Maximum part length for the SHD-4500D is 157.5 inches (4,000 mm).
Maximum part length for the SHD-6500D is 236 inches (6,000 mm).


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