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WFL series laser fork sensors from Sick

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The new WFL series of laser fork sensors from Sick includes more than 20 different housings. In addition to their versatility, these rugged sensors possess characteristics such as rapidity, precise laser light source, and simple 2-point teach-in. These features make it suitable for the packaging and pharmaceutical sectors, labelling and identification systems, and handling technology, amongst others.

Unlike other photoelectric switches, such fork housings offer a decisive advantage: the transmitter and receiver require no alignment during mounting and commissioning because they are fixed in the housing.

The fork photoelectric switches of the WFL series allow reliable detection of the smallest objects of up to 0.05mm, e.g. the tip of a syringe. This is because the laser light source emits parallel light and generates a small light spot on the object.

It is therefore also possible to reliably detect small parts and carry out precise positioning, e.g. in machine tools, irrespective of switching frequencies. The WLF can also detect transparent objects or differentiate between different transparent materials without difficulty.

The WFL series offers sensor solutions in more than 20 housings. Fork depths of 40 mm, 60 mm and 95 mm are available; fork widths of 2mm, 5mm, 15mm, 30mm, 80mm and 120mm can be selected. All device variants can be easily mounted and commissioned: a sample object is simply inserted in the light path and the switching threshold taught-in at the press of a button.

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