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07-19-2016

Extended Robot Range

New Robots for Large and Small Injection Molding Machines

Wittmann Group, Vienna, Austria, manufacturer of parts-removal devices for the injection molding industry, has broadened its robot range for both ends of the manufacturing spectrum, offering now W853 pro and W863 pro for large machines and he WL80 robot for smallest injection molding machines.

W853 pro and W863 pro for Large Machines

W853 pro robot for large injection molding machines (© Wittmann)

W853 pro robot for large injection molding machines (© Wittmann)

These advanced designs were developed in response to many users who also wanted to be able to rely on flexible automation in the large machine segment. These robots are best used with machines in the clamping force range of 1300 to 2400 metric tons – ideal for handling automotive components, white and brown goods, as well as technical parts.

W853 pro and W863 pro are based on the same mechanical concept. Both, the Z axis and the X axis of these two robots are driven by a gear rack. Carriage guidance is assured by an all-purpose high-precision recirculating linear ball bearing system. The vertical drive is transmitted via a combination of gear rack and belt, whereby strokes ranging from 2000 to 3000 mm are available. The two new models are different in regard to the length of their axes and their payloads. The W853 pro is designed for a payload capacity of 40 kg – whereas the W863 pro is rated for 75 kg, which makes it particularly well suited for use in the large machine segment.

Both offer all the familiar features of the W8 pro series. Standard equipment includes the ambiLED status display and the new decentralized drive control. They are also equipped with the R8.3 robot control system as standard, which provides access to many special real-time functions, e.g. the iVac intelligent vacuum system with teachable switch-points, the QuickNew function for easy programming via a visual selection system, or the SoftTorque programme for a flexible removal motion based on the ejector motion of the injection molding machine.Above that, the new large models can use the intelligent EcoVacuum function. EcoVacuum is a shutdown function of the vacuum producer. It allows for minimizing the robot’s demand for compressed air. Thus a significant saving of operation costs is possible.

WL80 for Smallest Injection Molding Machines

The new WL80 robot for small injection molding machines (© Wittmann)

The new WL80 robot for small injection molding machines (© Wittmann)

At the other end of the scale, and in order to better serve the booming compact market, the development of the new WL80 robot was undertaken. The extremely compact WL80 robot has been designed for a payload capacity of up to 2 kg. Integrating the energy chain into the horizontal arm minimizes the space requirement, which is especially advantageous when this unit is operated in protective housings and used in integrated applications.

The WL80 is available with a horizontal stroke of 1200 mm, and is therefore perfectly matched to injection molding machines with clamping forces ranging from 30 to 60 t. The vertical stroke is 700 mm, and the unit can also be equipped with a second vertical axis. In that instance, one of the two axes is equipped with pneumatic pivot, and the other axis is equipped with a pneumatic sprue gripper. Even then (i.e. when two X axes are required – what means there are five servo axes instead of three), the dimensions of the electrical cabinet remain the same. The operator interface is the proven R8 TeachBox with its many functions. For example, there is the intuitive and animation assisted QuickNew programming function. Of course, further functions are available as a standard as well: TextEditor, SmartRemoval, and EcoMode.

Company profile

Wittmann Kunststoffgeräte GmbH

Lichtblaustr. 10
AT 1220 WIEN
Tel.: +43 1 250390
Fax: +43 1 2597170

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