- March 18, 2014
- Weiss North America Inc.
March 18, 2014 - Weiss North America introduces HP70 Pick-and-Place direct-drive component that achieves over 100 cycles per minute with repeat accuracy of 0.01mm. The drive concept works with two linear motor axes that feature a ‘knuckle‘ design on the y/z axis that virtually eliminates the need for another linear motor for the z axis. Both motors are encapsulated in fixed casings, so no moving cables are required either outside or inside the housing.
Essentially, two horizontal axes with 125, 225, or 325mm stroke length are arranged in parallel above one another, and then connected via a kinematic unit. This guarantees a vertical stroke of 70mm. The HP70’s two axes do not run vertically towards one another. If a unit has one horizontal axis and one vertical axis fitted next to one another, it becomes wider. However, by arranging the horizontal axes in parallel above one another− a more compact unit is achieved. The HP70 only brakes on one axis when transitioning from full-speed horizontal movement to vertical movement. The time-consuming start of a second axis is then completely eliminated. This allows the module to achieve over 100 cycles per minute with repeat accuracy of 0.01mm. Advantages:
The same machining processes are handled in a smaller area and the floor space savings are immense−as twice the number of work stations can be set up on the exact same rotary indexing table or linear assembly system. Concurrently, output enjoys a dramatic boost as the transport times from one processing station to the next are reduced. In many cases, the optimization potential can reach as much as 50%. The process for changing and retrofitting components has also been simplified, as customers can now easily fit additional valves themselves – while the device remains in the installation. The fast and convenient procedure for setting up motion sequences has also been carried over from previous models. Additionally, the new unit is even more user-friendly, as the manual teaching of positions has been further simplified. The module can be moved freely and have its respective position saved by the Weiss Application Software (WAS) at the push of a button. Utilized for fast, convenient, and secure commissioning of all freely programmable Weiss components, WAS features a highly intuitive and uniform graphic user interface. The HP70’s end result is a unique, robust design that offers all the advantages of a direct drive including: dynamic performance, free programmability, very low wear, extreme precision, and very compact dimensions.
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