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Author | Topic: thickness automation |
goulmik Member Posts: 2 |
posted May 16, 2003 08:36 AM
hello I work on a twin screw extruder to produce a film of 600µm. thanks IP: Logged |
zabielski Senior Member Posts: 147 |
posted May 17, 2003 07:45 AM
Yes, there are such feed back systems, and I'd suggest you contact NDC, MEASUREX, and OHMART (now owned by MEASUREX) as a start. From many year of working with such vendors, and looking at the ease of use, the NDC system will give you the biggest bang for your buck. The MEASUREX system is so complicated that you'll need a dedicated Engineer to constantly calibrate it (and repair it). The OHMART line was purchased so that MEASUREX could offer a lower priced system. The key is to input the correct density of you film, and selecting the right area for the insatntaneous feed back loop. It is though, more expensive for a feed back loop, so you ought to weight these added costs. IP: Logged |
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