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UNISIG UNE Series machines are optimized to allow shops of all sizes to bring gundrilling operations in-house. The twin spindle UNE32-2-1500-CR is packed with features like single spindle mode for extended drilling diameter range, counter-rotation for hole accuracy, programmable coolant delivery, and more.

For precision rifling of barrels up to 4m in length (157 in) and between 20 and 50mm caliber, UNISIG has a capable solution: The R50 rifling machine. With a fully programmable twist rate, barrel manufacturers have excellent control over the rifling process, and exceptional accuracy.

MENOMONEE FALLS, Wis., Aug. 13, 2024 – Representing a leap forward in programming, UNISIG’s next-generation operating system further improves the human-robot interface and slashes programming times.

The new operating system, …

For precision on-center BTA drilling of holes up to 3 meters (10 feet) deep, UNISIG's B380-3M provides the perfect complement to shops with mill-turn capabilities. These compact machines are built for high-power BTA drilling, meeting the highest tolerance standards.

The UNISIG Deep Hole Drilling Technical Reference sheet contains valuable formulas and data. Click the button below to download.

UNISIG’s B-Series gives customers the flexibility and power to perform BTA drilling on large, heavy workpieces. B-Series machines can also work alongside a robot, automating the loading and unloading process which optimizes production by improving floor to floor time. UNISIG B-Series machines are organized into two categories: B-Series < 800 mm swing over bed and B-Series > 800 mm swing over bed.

For high-volume gundrilling production with great accuracy, UNISIG's UNI20-4-750-CR has a lot to offer. Four spindles with a max drilling diameter of 20mm (.78 inch) and max depth of 750mm (30 inches) deliver expanded productivity, and the workpiece counter-rotation (CR) improves hole accuracy and straightness.

Hydraulic cylinder manufacturers discover improved production rates when using a UNISIG S-Series machine to finish their cylinder interiors. The single-pass skiving and roller burnishing operation is extremely efficient and accurate on these machines, and this S600-3M model example helps to illustrate the features of UNISIGs S-Series.

With the flexibility of its universal table for part fixturing, UNISIG’s UNE40-1500-FT deep hole drilling machine offers manufacturers a unique opportunity to bring gundrilling operations in-house.

Deep hole drilling on a production scale meets high accuracy standards with UNISIG's UNI-25BTA-4-750 4-spindle drilling machine.

An overview of the feature-rich UNE12-2-750-CR from UNISIG. Its two spindles are capable of precision gundrilling to 12mm in diameter and 750mm in depth -- at 12,000 rpm, adding a great deal of productivity within a compact footprint. This fully enclosed machine boasts over 2,000 psi coolant pressure with a contained chip collection system and touchscreen control panel. Counter-rotation of cylindrical workpieces ensures improved hole straightness. UNISIG builds this gundrilling machine to be automation-ready, and frequently integrates robots with its products.