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.
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