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Large-Part Deep Hole Drilling



The UNISIG B850 is designed for on-center drilling of round workpieces in applications such as oil and gas and other large-part industries. In addition to standard BTA drilling methods, the machine is also capable of counterboring, trepanning and skiving, and roller burnishing processes, achieving strict tolerances required by manufacturers in the energy industries.

The B850 has a bed and rack-and-pinion system, and its modernized feed system is designed to provide rigidity and reduce backlash. "Incorporation of modern gearing and power train concepts simplify construction of the machine, reducing cost and boosting reliability and performance," said a company spokesperson.

The B850 also offers a standard programmable coolant system. "Combined with user-friendly controls and the other advanced design features, the machine allows an operator to focus on the part being machined instead of managing a wide variety of manual functions," said the spokesperson.

Both the work and tool headstocks deliver 166 HP, providing the high power and torque needed to drill holes up to 7.1" (180 mm) in nickel alloys, 8.7" (221 mm) in carbon steel and 12.6" (320 mm) with counterboring. The B850 model is available with maximum drill depths ranging from 78" to 65' (1.98 m to 19.81 m), and the machine bed can accommodate workpieces up to 10 tons (9,071 kg).

UNISIG engineers and manufactures its B-series in the U.S. with high-performance components. The company's full portfolio of machines is capable of producing holes with diameters ranging from under 0.040" to over 40" (under 1 mm to over 1,000 mm) at depths ranging from 0.78" to over 65' (20 mm to 20 m). Machines are provided with all necessary tooling and machine accessories. UNISIG provides comprehensive training for machine operation and process optimization, as well as post-installation technical support.

For more information contact:

UNISIG

N58W14630 Shawn Circle

Menomonee Falls, WI 53051

262-252-3802

sales@unisig.com

www.unisig.com

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