Blender with Built-in Extrusion Control Interfaces

Maguire Products Inc.
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System Supervises the Line from Extruder to Haul-Off

The new WXB Weigh Extrusion Blender from Maguire Products, Inc., Aston/Pennsylvania (USA), incorporates a gain-in-weight (GIW) weigh bin and a loss-in-weight (LIW) mix chamber in one machine with a Maguire 4088 controller. According to the manufacturer, the tight tolerance achieved by the blender (within +/- 0.1%) is a key to conserving raw material.

While the gain-in-weight (GIW) function precisely weighs batch ingredients as they are dosed sequentially into the weigh bin, the loss-in-weight (LIW) mix chamber makes possible accurate metering of the blend into the processing machine and facilitates control of extrusion and haul-off in accordance with process variables.

Conrol of the Extrusion

The 4088 controller, Maguire’s most advanced blender control, is designed for communication with other systems in an Industry 4.0 setting. It enables the WXB blender to interface with the Maguire + Syncro supervisory system, which provides control of all segments of the production line from a single touch-screen HMI control.

In blown film production, for example, the system controls extruder temperature, raw material metering and consumption data, air ring automation, gauging, internal bubble cooling, web and cage handling, haul-off, and winder.

The system can be deployed for coextrusion with multiple extruders. According to the manufacturer, the Maguire + Syncro control display allows users to easily visualize single-layer and coextrusion processes. Modes of extrusion control available include pounds or kilograms per hour; weight per length of extrudate; and product thickness in microns.

Initially the WXB blender is available in three models: WXB 100 for throughputs of 100-220 lb/hr (50-100 kg/hr); WXB 200 for 220-440 lb/hr (100-200 kg/hr); and WXB 400 for 440-880 lb/hr (200-400 kg/hr). The blenders can be configured for up to twelve ingredients, each with a separate dispenser.

Loading Options Integrated Tnto Controller

The WXB blender is compact and includes guards for safe operation. The mix chamber is easily removed for quick cleanout. All loading system options available from Maguire are integrated into the controller.

The Maguire + Syncro brand is the product of a partnership between Maguire and Syncrp srl that began in 2016 with Maguire taking an investment position with Syncro.

Weigh Extrusion Blender: the WXB devices come in three sizes (© Maguire)

Weigh Extrusion Blender: the WXB devices come in three sizes (© Maguire)

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