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Clever system combination

Spindle head communicates via the wireless interface of a measuring

ID: 1563957
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(PresseBox) - Unique on the global market: the new, intelligent KOMflex precision spindle system from CERATIZIT communicates with the BLUM RC66 wireless interface. Combined with any measuring sensor, the system enables fully automated diameter correction during precision Boring CERATIZIT is already using the system in the KOMET factory in Besigheim ? both in production and on an ultra-modern Heller 5-axis machining centre in the demonstration centre.

Digitisation has already been incorporated into CNC machine workshops in many sectors in a variety of ways. Tool manufacturers are also striving to transform the advantages of exchanging digital data into immediate user benefits. Michael Renz, head of the actuating tools product line at CERATIZIT in Besigheim, is in no doubt of the benefits: "The future lies in intelligent tools that can independently monitor and correct themselves. This makes machining more flexible, safer, more precise, and more cost-effective."

Renz is therefore continually driving forward the digitisation of ''his'' mechatronic actuating tools and is looking for partners to aid in the development of new tool solutions. He has found the ideal partner in Blum-Novotest GmbH, a renowned manufacturer of innovative and precise measuring and testing technology: "We have already worked well together on a customer project with our U-axis several years ago, and more recently on the government-funded BaZMod research project into optimised energy and data transfer between the machine and tool."

It was during this project that the idea for the KOMflex precision spindle head was born. Its special feature is an integrated wireless unit that can exchange bidirectional data with the machine control system via the BLUM standard wireless interface. This results in closed loop operation consisting of machining with the KOMflex, measurement with a measuring stylus, for example, as well as correction of the cutting edge position ? and thus automatic diameter correction of the precision tool in the spindle. The desired outcomes are reduced downtimes from incorrect manual intervention, shorter machining times, and increased transparency and economic efficiency.



Tool and measuring technology expertise combined

For the new precision-spindle head, docking a communication unit was not sufficient. This became apparent in initial preliminary discussions and tests in CAD, explains Markus Majer, key account manager for measuring components at Blum-Novotest. "If we had only put together standard components, the result would have been a product that was too big and bulky. For this reason, we worked on a new concept together that allowed us to combine the tool, wireless and battery units in an optimum manner. The cooperation was extremely goal and product-oriented, with a result that we are all happy with."

The KOMflex precision spindle tool turned out to be very compact with an outer diameter of 63"It is 20" enthuses Markus Majer. "This compact design sets the system apart from similar products from other suppliers, with its greatest plus point being automated control via our RC66 wireless interface." This means that

The automated operation of the precision spindle head also increases safety for the operator. If intervention is necessary for measurement and correction purposes, this is not only unpleasant due to dripping coolant, but it is also associated with a high risk of slipping in the case of large machines.

High performance with a compact design

The KOMflex precision spindle head weighing just 1.5 kg features an ABSeter of 16 mm and a toothed surface for bridge tools, etc. This means that the full KOMET spindle kit from CERATIZIT can be used.

Yet the impressive technical data does not stop there: the KOMflex operates at speeds of up to 8000 rpm and ensures positional accuracy to 0.001 correction cycles.

The KOMflex precision spindle head is extremely robust thanks to its maintenance-free drive. The patented central alignment of the motor and its surrounding ring PCB mean that the cutting edge can be adjusted even at speed. The developers purposely dispensed with imbalance correction, as this would be associated with a greater mass and additional tilting moment. Michael Renz explains: "Due to the central alignment of the boring bars, imbalance correction is not necessary." In addition, the spindle head can be precision-balanced if required.

The KOMflex is usually controlled via the machine control system. For this purpose, it contains a BLUM wireless unit with a range of up to 8 metres, which communicates with the RC66 wireless interface integrated in the machine. The KOMflex features a manual mode for pre-setting, in which the head can be adjusted using a magnetic pin and two magnetic sensors. This unit is surrounded by a non-magnetic steel ring, which provides the spindle head with high stability.

Michael Renz is impressed by the short payback time: "Through the automated machining processes that are now possible alone, such as the machining of bearing seats or highly precise cylinder bores, our new precision spindle head delivers a return on its investment very quickly, especially if the BLUM RC66 wireless interface is already present in the machine tool." Markus Majer adds: "That is often the case, as we are among the OEMs for many major machine tool manufacturers when it comes to our measuring styluses and the RC66."

If a measuring stylus from another supplier is already installed or external measuring computers are in operation, the new KOMflex precision spindle head can also communicate with these components. All they need is the RC66 wireless interface, which can also be retrofitted.

Best experiences from in-house production department

CERATIZIT can now draw on experience from its own production lines, as the KOMflex has already been in use for several months at the KOMET factory in Besigheim for precise machining of ABS holes. Production employees have confirmed to Michael Renz that they are now able to reliably comply with the specified quality requirements more quickly. "You no longer have to stop the machine to take measurements on the workpiece and to readjust the precision adjustment head if necessary."

CERATIZIT can demonstrate the advantages of the KOMflex precision spindle head for customers and interested parties in the test and demonstration rooms of the Besigheim factory, as the Heller HF5500 5-axis machining centre recently put into operation is equipped with all relevant BLUM components. For Michael Renz, this high-precision machine is the ideal basis for demonstrating the capability of his actuating tools on various test and customer components: "The HF5500 is prepared for use with our new KOMflex and the KomTronic U-axis actuating tools."

It is also important at this point that the RC66 interface is able to control up to 16 different KOMflex tools. "This may be favourable for the machining of a complex bearing plate, for example, in which various bearing seats must be machined. Several wireless interfaces only need to be installed for multi-spindle operations, since the signals must be available at the same time," explains the head of the actuating tools product line.

BOX

Advantages of the new KOMflex precision spindle head from CERATIZIT

Intelligent diameter correction via BLUM wireless interface (RC66)


Adjustment range:

Boring range:

Internal machining:

External machining:

speed: 8,000 rpm in centre position

System application:

Temperature compensation, e.g. in the case of aluminium

Compensation of cutting edge wear, e.g. in the case of steel

Compact design

Robust thanks to maintenance-free drive

Manual intervention via the machine control system possible

Manual pre-setting via magnetic pin possible

Prevention of operating errors through in-process measurement

1

Absolute path measurement system on the adapter

Thro'' coolant supply up to 30 bar

ABS 50 universal interface

Commercially available battery, easily replaceable, for over 2000 correction cycles

CERATIZIT - with passion and a pioneering spirit for hard materials

For more than 95 years, CERATIZIT has been a pioneer in the field of ambitious hard material solutions for machining and protection against wear. The private company, with registered offices in Mamer, Luxembourg, develops and produces highly specialised cutting tools, indexable inserts, rods made from hard materials and wearing parts. The CERATIZIT Group is the global market leader in various application segments and successfully develops new carbide, cermet and ceramic grades, such as for wood and stone working.

With more than 8,000 employees at more than 30 production facilities and a sales network with over 50 branches, CERATIZIT is a global player in the carbide industry. The company''s international network includes subsidiary Stadler Metalle and joint venture CB-CERATIZIT.

CERATIZIT, as a technology leader, is constantly investing in research and development and holds more than 1,000 patents. Innovative hard material solutions from CERATIZIT are used in various sectors, including mechanical engineering and tool making, in the automotive and aerospace industry, in the oil and gas industry and in the medical sector.



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CERATIZIT - with passion and a pioneering spirit for hard materialsFor more than 95 years, CERATIZIT has been a pioneer in the field of ambitious hard material solutions for machining and protection against wear. The private company, with registered offices in Mamer, Luxembourg, develops and produces highly specialised cutting tools, indexable inserts, rods made from hard materials and wearing parts. The CERATIZIT Group is the global market leader in various application segments and successfully develops new carbide, cermet and ceramic grades, such as for wood and stone working.With more than 8,000 employees at more than 30 production facilities and a sales network with over 50 branches, CERATIZIT is a global player in the carbide industry. The company''s international network includes subsidiary Stadler Metalle and joint venture CB-CERATIZIT.CERATIZIT, as a technology leader, is constantly investing in research and development and holds more than 1,000 patents. Innovative hard material solutions from CERATIZIT are used in various sectors, including mechanical engineering and tool making, in the automotive and aerospace industry, in the oil and gas industry and in the medical sector.

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published by: PresseBox
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Date: 01/20/2021 - 14:50
Language: English
News-ID 1563957
Character count: 5288
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Firma: CERATIZIT Deutschland GmbH
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Stadt: Kempten
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