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Analyzing Metal Polymer Bearings for GGB

Analyzing Metal Polymer Bearings

As the world leader in plain bearings, GGB continually strives to offer the best solutions for its customers. To support its product development, its R&D departments in France, Germany and the US have each invested in a VHX-1000 to obtain better 3D visualizations of their product under high magnification.

“Keyence VHX-1000数字显微镜使我们能够在之前做我们无法做的事情:例如,高分辨率3D图像的质量使我们能够更详细地研究滑动表面的相互作用。特别是,它允许我们在详细测试后检查磨损标记,转移膜和轴承损坏。这使我们能够更好地了解我们的产品的行为,并帮助优化我们的产品开发“解释说,德里克Marsella,GGB的高级经理Annecy Technology Group。

GGB is the world’s leading manufacturer of high-performance, self-lubricating and pre-lubricated plain bearings, with more than 1,000 employees globally, including production facilities the U.S., Germany, France, Brazil, Slovakia and China. Many of GGB’s polymer plain bearings are able to operate effectively under extreme conditions, sometimes even more effectively than conventional bearings with rolling elements. Due to the specific material design that relies on a metal backing with low friction, self-lubricating polymer sliding surface, these bearings are the ideal choice in environments of high load, limited lubrication with space constraints. Typical applications include pumps, compressors, off-highway equipment, machinery and steel processing and various automotive components.

vhx - 1000,一个牧师olutionary digital microscope that is adding value to R&D departments

Despite its compact size, the camera includes an actuator to enable the use of pixel shift technology, achieving observation with super high resolution of up to 54 million pixels. A progressive scan method allows textured surfaces and colors to be reproduced similar to observation with the naked eye. The VHX-1000 provides a depth-of-field at least 20 times larger than optical microscopes. Thus, the VHX-1000 can accurately observe a target (even with a large height difference) that could not be seen in focus with conventional microscopes. Furthermore, the number of steps required for observation including focus adjustment can be reduced considerably. VHX-1000 enables users to capture high-resolution images over a large field-of-view. Unlike conventional methods, which perform stitching after capturing all images in external software, KEYENCE has developed a completely new image stitching algorithm. When the user moves to a different location on the part using a manual stage, the area is stitched together in real time. The field-of-view can be expanded from a normal field (1600 x 1200 pixels) up to 10000 x 10000 pixels, without any loss in resolution.

用户友好的工具有助于沟通

“VHX-1000的另一个关键优势是它是便携式的,并且真正的用户友好的”添加Derek Marsella。“如有必要,我们能够使用这款便携式单位访问我们的客户并在其工厂检查轴承。高分辨率图像可以直接在屏幕上看到,帮助我们更好地沟通和解释我们的发现。本机使我们能够为客户提供更高的服务。

“在我们的业务中,清除轴承表面的3D可视化,以便理解和定义其状态和行为非常重要”。VHX-1000通过转动聚焦旋钮并直接进入3D显示模式,可以立即创建高质量的复合图像。D.F.D方法(从散焦的深度代表深度)通过分析2D图像的散焦来捕获3D深度数据。VHX-1000系列通过使用比传统显微镜的样本图像更少的样本图像,可以实现深度组成和3D图像显示。该方法消除了在所有焦点位置处加载图像的需要,从而导致分析效率提高。

In this view, we can observe bronze particles that have become exposed due to fatigue or wear damage during testing. The bronze particles are part of the porous bronze interlayer in GGB’s products that provides a mechanism for adhering the polymer sliding layer to the metal backing. GGB’s products are composed of 3 layers: metal backing providing strength, bronze interlayer providing a mechanical key, and a polymer sliding layer.

“The VHX microscope was first selected by our German Technical Centre. We were so impressed by its capability and value that we chose to standardize this tool across all our R&D facilities throughout the world”, concludes Derek Marsella.

VHX-5000系列
With a depth-of-field and resolution that are unmatched by conventional optical microscopes, users can take imaging to a whole new level.

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