Practicality, Simplicity and Productivity in a Single Device

The FRB Automatic Centering Device is designed to facilitate centering operations by supporting the machine operator. It is particularly suitable for the efficient handling of small production batches.

How the FRB Automatic Centering Device Works

The FRB Automatic Centering Device enables the centering of the ends of both round and polygonal bars quickly and extremely efficiently. The system allows a centering operation to be completed on average every 10–15 seconds, significantly speeding up the production process.

The device can be installed on a standard pillar drill or radial drilling machine equipped with a Morse Taper No. 2 (MT2) and provides a centering accuracy of 0.10 mm.

Its operating principle is based on two axially sliding components:

• The central spindle;
• The hollow bushing.

During operation, the hollow bushing rests on the diameter of the workpiece to be centered, while the spindle, connected to the drill spindle, continues its stroke and performs the center drilling operation. This system ensures accurate centering in a short time and with great ease of use.

Main Advantages

The use of the FRB Automatic Centering Device offers numerous benefits for machine shops and production departments.

Reduced Cycle Times

Thanks to the speed of the centering operation, operators are provided with a simple and functional tool without the need for complex or expensive machinery.

High Accuracy

The 0.10 mm accuracy ensures reliable and repeatable results, which are essential for high-quality machining operations.

Easy Installation

The device can be used on standard pillar drills or radial drilling machines equipped with an MT2 connection, eliminating the need for investment in new equipment.

Versatility

The system is suitable for centering round and polygonal bars of different diameters through the use of interchangeable bushings.

System Components

The FRB Automatic Centering Device is supplied as a complete kit consisting of:

• Complete rotating spindle with MT2 taper.
• Hollow bushings for diameters:
  • Ø 9–27 mm
  • Ø 15–37 mm
  • Ø 30–52 mm
  • Ø 42–62 mm
• Base with integrated conical bushing from Ø 9 to Ø 62 mm made of CMT-TMP steel.
• Set of precision-ground center drill bushings for:
  • Ø 6 mm
  • Ø 6.3 mm
  • Ø 8 mm
  • Ø 10 mm
  • Ø 12 mm
  • Ø 12.5 mm
• Centering unit stop rod.

All components are also available individually as spare parts or for custom configurations.

Recommendations for Optimal Use

To achieve the best performance, FRB recommends machining a small flat on the outer diameter of the center drill before installation. This simple precaution improves clamping and prevents the center drill from rotating.

Furthermore, to ensure the correct axial positioning of the center drill, the rear adjustment screw can be accessed through the hole provided in the drill-holder bushing. Then position the dedicated Centering Shaft to align the base with the center drill.

A Reliable Solution for the Modern Workshop

The FRB Automatic Centering Device is a practical, precise and cost-effective solution for companies wishing to equip operators with dedicated centering equipment. Thanks to its simple design, compatibility with conventional drilling machines and quick operation, it enables efficient and repeatable small-batch production while maintaining high quality standards.

Reliable, versatile and easy to use, the FRB Automatic Centering Device proves to be an indispensable tool for optimizing centering operations and improving workshop productivity.

Browse the brochure!