Emo Hannover 2007: Wema Vogtland GmbH

Tooling-friendly machining centre of long service life The industry has to respond to the market by adapting its product ranges with ever increasing speed. Following this trend the German machine tool manufacturer WEMA VOGTLAND has developed the modular machine concept HPC® FLEX-V. With lot-dependent bench versions with up to five axes it is possible to convert to new operations within a reasonable period of time. This highly flexible machining centre can be used both as a single step workstation and interlinked for complete machining. When it comes to high-volume production it can even be integrated in round transfer systems.

At the EMO 2005, the HPC® FLEX-V concept was distinguished as the best new innovation in the field of chipping machine tools by a leading trade journal.
As a result of the consistent enhancement of the modular system, WEMA VOGTLAND presents a two-spindle machining centre equipped with pallet changer and rotary tables (B axes) at the EMO Hanover, Hall 27, Booth A45.

Advantages
Thanks to the modular design the machining area is freely configurable. Thus, the machine design can be optimally adapted to the machining job concerned. Subsequently, it is possible to retrofit or modify the respective machine configuration. Provision has already been made for that purpose in the vessel system. By pooling several machining centres in one round transfer machine costs can be cut for feeding and operation.
Special modules, such as multi-spindle drill heads, facing and mounting stations can be integrated into linked systems. Greater flexibility helps to minimize the investment risks for our customers. High dynamics and several possibilities of main-time parallel feeding reduce non-productive times. Maximum machining accuracies are achieved by continuously indexing, direct-drive rotary tables (B-axis) with high-resolution measuring systems. A separate infeed of the tools in the Z-axes makes it possible to incorporate completely independently features of extreme accuracies by single-spindle manufacture. The configurations and equipment can be optimally designed for dry machining and minimum lubrication, e.g. optionally with stainless steel lining in the chip area.

Reference example
A two-spindle machining centre of this type including pallet changer and rotary tables has been running successfully at an automotive supplier. Four types of control housings are currently machined, cycle time 3.0 min, possible number of pieces per year 97,500.
The c is made up of the tool-carrying triaxial unit with highly dynamic motor spindles of sleeve type. Featuring an acceleration of 1.5 g in the Z-axis and a rapid traverse speed of 80 m/min in the Y- and Z axes, the HPC® FLEX-V200 belongs to the top range of fast machines. The working spindles are provided with a HSK-A63 tool carrier.

Applications
In addition to the current customers from the automobile and supply industries and their typical ranges of work that include engines, gearboxes and chassis this concept can also be used to satisfy the product needs of other target groups in a very flexible manner. This machine concept is excellently suited to avoid capacity bottlenecks and implement work modifications flexibly and within a short time.

The HPC® FLEX-V machine concept is an innovative, cost-effective and flexible solution for high- and medium volume production which is supporting the trend of production structures that are gradually extended providing a lot of flexibility.