KomTronic®

KomTronic® U-axis systems in use at ROMAI® for high-end machining


ROMAI® handles high precision internal machining, typical tasks performed by jig boring machines, using a KomTronic®  U-axis system in the machining center.

The ROMAI Robert Maier GmbH in Vaihingen/Enz-Horrheim is known right across the sector for its versatile articulated multi-spindle heads. ROMAI®  develops, designs and manufactures a comprehensive range of products from powered tools to angular boring heads and high-speed-spindles to stationary and replaceable multi-spindle heads that simplify manufacturing processes. This goes beyond standard applications to provide the user with custom performance and streamlining. At the same time, the concentricity of the inside diameter, from the seat of the coolant cartridge to the bearing seat and beyond, is of vital importance to quality. The position of the bore holes to each other with regards to multi-spindle solutions is also important. In sophisticated products, it is usual today to have parts with precision requirements of around +/- 5 µm. A KomTronic®>U-axis system enables complete machining which includes turning operations, on components that are often not rotationally symmetric, in one machining center for high-end machining.

 

The U-axis system from KOMET®  enables standard turning steels to be used as adaptor tools that are directly fitted with modular tool adaptors onto the teeth on the slide. Different adaptors from the KomTronic® modular system make it possible to use tools with different standard connections. In regard to achieving ever higher precision requirements, the U-axis system is an investment in the future for ROMAI®.

 

The replaceable NC-axis

KomTronic® U-axis systems essentially consist of one compact facing head with single slide that is driven by a servo motor and threaded spindle. The power supplied to the electronics and the drive is transmitted contact-free and inductively to the U-axis system. Similarly, the data is exchanged inductively with the U-axis system. A stator is mounted on the spindle side. It is segment-shaped, which permits the tools to be replaced automatically. The ring-shaped inductive transmission unit on the U-axis side ensures proper data and energy exchange in every angular position. Thanks to the freely programmable and cutting edge that is dynamically adjustable during machining, the mechatronical U-axis systems are automatically replaceable NC-axes. Programming is carried out in the usual NC programming language and is integrated in the machine control. You have all of the functionality of a normal ISO program available to you.

 

With its brands KOMET®, DIHART®  and JEL®, the KOMET GROUP®  is a leading global manufacturer of precision tools for bore machining, reaming and threading. The group has been at the forefront of innovation in the sector for over 90 years - a tradition that began with the early indexable insert borers and continues today with their mechatronic tool systems. The company currently employs more than 1,600 staff in its 20 subsidiaries and is represented in around 50 countries.

 

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