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Showing posts with label Machine. Show all posts
Showing posts with label Machine. Show all posts

Tuesday, June 15, 2010

Small-Scale Machine For Micro Injection Moulding

Engel has developed a small-scale electric injection unit with a 15mm screw diameter, suitable for micro injection moulding. Using an E-max 50/50 or an E-victory 50/28, it is now possible to achieve shot weights of less than 1g and part weights down to 0.1g with a high level of reproduction accuracy, according to the company. Two new drive variants with injection speeds of 330mm/sec (standard) and 550mm/sec (high) are available for the screw diameters (15/18/20mm).

The optimised screw geometry, in combination with a specially designed feed opening throat, enable the trouble-free processing of standard pellets with improved plasticising and reproducibility, even with this small diameter.

Tuesday, February 23, 2010

F-Series System Meets Machine Safety Standards

Mechan Controls has announced that the F-series electronic safety system has achieved the highest possible rating under EN ISO 13849-1, the international standard for machine safety. The F-series is a modular, multi-gate safety system that features a flexible control unit capable of monitoring up to 30 tamper-proof safety switches simultaneously.

In tests recently conducted by TUV Nord in Germany, the system achieved a Category Four rating, with Safety Integrity Level Three and Performance Level E. The F-Series main control module has dual safety outputs and monitoring for external circuits, while each connected safety switch has both LED and volt-free contact indication at the control unit.

For larger plants or where a complete production line is being monitored, the modular system can be expanded using Mechan's FX1 and FX2 extender units, which work alongside the FM1 master control module. The safety switches are robust, fully encapsulated and available in three sizes with the standard tamper-proof coding, while the CMA version gives the option of half a million unique codes.

The switches have a 10mm operating distance, which makes them easy to install and free from nuisance tripping, and they are well suited for use in harsh conditions and environments where frequent cleaning is essential. As a result, the F-series provides safe and reliable protection on machine guards of all kinds. It is used in industries such as food processing, dairies, pharmaceutical plants and the manufacture of concrete blocks and other construction materials.