Automated clamping technology

To maximise productivity, it is essential to optimise all elements of a manufacturing process and an important ingredient in this equation is the method of workholding used.

Based in Sontheim, Germany, Röhm specialises in clamping and gripping technology and has a longstanding pedigree and expertise in this domain. Its recently improved KZS centric clamping vices for example are particularly well-suited to six-sided machining involving two clamping operations.

The devices stand out due to a series of product advantages. In addition to a compact structure and a high degree of repetition accuracy, they deliver high clamping forces of up to 55kN, an increased clamping range of 20% and a reduced interfering contour for an optimal chip flow. Several flexible applications are possible – including scenarios involving the use of the devices in 3-, 4- and 5-axis machining centres as well as all the usual zero point clamping systems.

From the user’s point of view, this area offers the largest potential for optimisation. Röhm’s new KZS centric clamping vices and Easylock zero point clamping system are ideal for automated processes such as the robotic loading/unloading of components onto machine tools. Both of the products in this range can be operated either pneumatically or hydraulically (e.g. with the help of the machine controls).

The combination offers significant cost-saving opportunities: for example, one or two KZS clamping blocks can replace a large number of manual vices in automated procedures. The KZS can be loaded directly into the machine by a robotic arm which means it is not necessary for an operator to pre-position the workpiece outside the machine with an extra clamping device.

It is also not necessary to have a separate manual vice available for each workpiece. When combined with a zero point clamping system, such an arrangement makes it possible to drastically shorten cost-intensive set-up times. The South German specialist can even adapt its centric clamping vices to other manufacturers’ zero point clamping systems. Röhm says the direct benefits for the user are reduced set-up times, better machine utilisation and greater productivity.

In case of the KZS devices, the high-precision wedge hook system results in excellent part quality and a high level of process reliability. Furthermore, an improved lubrication solution ensures that clamping forces are always optimised. Consequently, the clamping blocks are also well-suited to complex milling operations involving high material removal rates and minimal production tolerances. The optional integrated stroke sensor serves to control the clamping operation and guarantees optimal process monitoring.

Röhm www.roehm.biz

Company

Rohm

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