machinery feature | Lab compounders
Buss’s new MX 30 has been generating interest at exhibitions during 2012
nents. “Plug and play” features help to make installa- tion and start-up swift, says the company. The ZSK 18 can process batches as small as 200 g up to throughput rates of 40 kg/hr. “It has a specific torque of 11.3, and with its screw diameter, could be used as a pilot production unit when you have a very specialized product program,” says Bernd Ormanns, business segment manager, engineering
plastics. He adds that the ZSK 26, 32 and 34 (a high volume
version of the 32) provide enough throughput to be used as pilot lines if a processor has a production line facing a difficulty. Users can achieve throughput rates up to 140 kg/h depending on the formulation. Coperion also offers a special GMP version of the ZSK 18 Megalab for pharmacutical compounding applications. It is completely clad in stainless steel and is equipped with leak-proof cooling water couplings. ❙
www.coperion.com
er trials and for small-scale production of a wide range of compounds. ❙
www.busscorp.com
Coperion says its ZSK Megalab line is aimed at users looking for quick changeovers and production-machine features in a unit that works mostly in a laboratory. Its newest model, the ZSK Megalab 18, joins the existing 26 mm and 32 mm models in the line. The ZSK 18 Megalab is developed especially for
Coperion’s ZSK 18 Megalab is supplied on a mobile base frame,
incorporating all the major components
processing small batch sizes while offering features similar to production units for scalability. It features 18 mm parallel co-rotating intermeshing screws with a 1.55 OD/ID screw ratio. The screw geometry features feeding, mixing and kneading elements similar to those used on full-scale production models. Each barrel and screw section is 4D. The barrel has an improved heating and water cooling system for temperature control to +/- 1o
C. Coperion offers
the Megalab models with a standard length of 40D standard, with options to extend the unit up to 60D. A quick-release design with two retaining bolts allows for easy removal of the screws and die-head. The compact unit is supplied on a mobile base frame which incorporates all the major compo-
36 COMPOUNDING WORLD | December 2012
Entek says that its entry into twin-screw extruders for laboratory tasks, the E 27 Max, allows users to test out recipes and determine if they can actually process a formula. “Compounders are willing to try out more expensive materials and new, complex formulations because they feel the smaller machines deliver more reliable results,” says Dean Elliott, Entek’s laboratory manager. “Processors are pushing the envelope regarding how much pigment, or how much additive can be used, and they are using small volumes of more expensive materials for medical, military, and pharmaceutical appli- cations,” Elliott adds. “If they can produce a stable formula it will transfer to a larger production machine.” Customers are also using Entek’s lab compounders to investigate biomaterials and soluble polymers, says John Effmann, the company’s director of sales and marketing. The E 27 Max is the smallest model in Entek’s six-model E Max line. The unit features a 27 mm diameter screw with 1.47 OD/ID ratio, and a choice of three motors and three screw speeds: 15 hp for 400 rpm; 20 hp for 600 rpm; and 40 hp for 1200 rpm.
The parallel, co-rotating
intermeshing twin-screw unit is designed with a segmented barrel, with each barrel segment 4D in length. The unit is offered in lengths from 28D -52D. It can compound PE pellets with colour, additives and fillers
at a rate from 20-45 kg/h with a standard 20 hp, 600 rpm drive. Entek is developing new feed elements
www.compoundingworld.com
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