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Extruder screw elements
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Rubber World's Product News Online

Equipment | Materials | Instruments | Hardware/Software | Services

 
 
Modular conveyor platform
A global supplier of material handling equipment and systems offers a modular conveyor platform. Said to be smart, economical and flexible, this generation of conveyors is also said to be the durable solution that material handling professionals have been looking for to help them meet rapidly changing business demands. The MCP is said to have limitless applications in the manufacturing, distribution, tire and automotive, and ecommerce industries, among others. Main features of the modular conveyor platform are said to include speeds of up to 3,500 units per hour with the company's high performance divert (HPD); up to 30% in energy savings thanks to the EC310 24V RollerDrive; reduced total cost of ownership due to low maintenance and no pneumatics; the most advanced UL certified controls; full modularity that allows for round-the-clock system reconfigurations; ease of installation and smooth flow of products up to 110 pounds per zone; and an AutoCAD-based layout tool to help design and select a system with integrated modules.

Interroll
www.interroll.us

Post date: 5/31/2017

 
Molding test laboratory
Molding test laboratory A testing laboratory is available for customer testing of LIM, compression molding and other applications. Presses available for testing include two MicroLIM machines with a Graco #622 Meter Mix; a 30-ton Genesis compression press with proportional control of pressure and temperature; a Carver 30-ton Auto Series press; a Carver 12-ton Model C, heated and cooled; and a 5-ton Sterling chiller. Applications include ASTM polymer testing, liquid silicone, rubber, plastics and composites molding, research and development, laboratory and other specialized processes. Included are elastomer and vacuum molding machines for compression, transfer molding, laminating and trimming. The company also offers custom engineered presses, as well as used and reconditioned presses.

Wabash MPI
www.wabashmpi.com

Post date: 5/31/2017

 
Bulk bag filler/dispenser
A bulk bag filler with a wooden pallet dispenser automatically places an empty pallet under a bulk bag before filling. Between 14-16 pallets can be loaded for staging into the pallet dispenser. Controls automatically remove the bottom pallet from the stack and place it below the bulk bag before filling occurs. Once the bulk bag is filled, a power roller discharges the filled bulk bag and pallet onto an accumulation conveyor for transport to the warehouse. The wooden pallet dispenser is said to reduce the need for an operator to place an empty pallet under each bag, thus reducing the number of operators needed to maintain a high bag filling rate.

Best Process Solutions
www.bpsvibes.com

Post date: 5/31/2017

 
Precise extrusion crosshead
Precise extrusion crosshead The Micro Medical is an extrusion crosshead that uses micro-fine adjustment screws for precise concentricity adjustment. The precision of concentricity reaches 0.008" or finer per revolution. This single point concentricity adjustment is said to be a unique innovation for the extrusion of thin-walled and precision ID/OD medical tubing. One adjustment bolt controls 360 of adjustment. Features of the Micro Medical crosshead include a patented cam-lock deflector for quick changeovers, along with flexibility.

Guill Tool & Engineering
www.guill.com

Post date: 5/31/2017

 
Rubber parts curing oven
The No. 913 is a 500F (260C) truck oven, currently used for curing rubber parts hanging from the oven's ceiling at the customer's facility. Workspace dimensions of this oven measure 48" wide x 52" deep x 96" high. Nichrome wire tubular heating elements have 24 kW installed, while a 1,000 cfm, 1 hp recirculating blower provides combination airflow. This truck oven has 4" insulated walls and an aluminized steel interior and exterior. The ceiling of the workspace is reinforced for 200 pound loads at the customer support rack. Controls on the No. 913 include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower air flow safety switch and a 10" diameter circular chart recorder.

Grieve
www.grievecorp.com

Post date: 5/31/2017

 
Hydraulic laboratory press
Hydraulic laboratory press The Auto Series Plus automatic hydraulic laboratory press features a large 7" color touch screen operator interface, enhanced platen temperature control and auto-tuning, ramp heating capability, real-time trending of force and temperature, and optional seven day time for auto heat-up. Other features include storage of up to 250 recipes, recipe preview and optional data logging for cycle parameters. Auto Series Plus press models are available with 15 to 48 tons of clamping force and 6" x 6" to 19" x 19" platens. In addition, the Auto Series can be configured to CE requirements. These benchtop presses are used in quality control, and research and development for test sample preparations, destructive testing, molding, laminating and fluid extraction.

Carver
www.carverpress.com

Post date: 5/31/2017

 
Lightweight semi-structural automotive technology
Lightweight semi-structural automotive technology This manufacturer of plastics, latex binders and synthetic rubber introduces its 85% long glass fiber (LGF) polypropylene (PP) concentrate product family for automotive semi-structural applications. Enlite PP LGF 1851 and 1852 have the highest glass fiber concentration (85%) of any PP LGF concentrate available commercially for automotive semi-structural applications, which enables lighter weight interior parts at lower total cost compared to steel and aluminum, according to the company. Enlite products are developed for instrument panels, door modules, front-end modules, tailgates and other interior and semi-structural applications that require a balance of dimensional stability, heat resistance and weight optimization. Enlite PP-LGF 1851 and 1852 are said to be a step-change improvement over the previous industry benchmark of 60% LGF concentration. Unique to the industry, the 85% glass concentration allows customers to achieve cost savings of up to 10% through significantly reduced compounding costs, which are passed on to the customer, and other efficiencies such as the outstanding pellet robustness combined with good dispersion properties of the HiCon Enlite products, according to the company. The dispersability of the 85% concentrate is said to be as good as traditional 60% concentrates, while delivering good impact resistance and durability in the final part. In addition, the outstanding pellet robustness of Enlite 1851 and 1852 products is said to minimize generation of loose fibers during air conveying, which ultimately reduces production costs for the customer, according to the manufacturer.

Trinseo
www.trinseo.com

Post date: 5/31/2017

 
Material handling, drying
Intelicare material drying and loading equipment, mold heaters and a process water cooling system have been installed in an in-house molding facility. The 100 kW cooling capacity dry cooler features twin pumps providing cooling water to the mold shop for hydraulic cooling and other services. The closed loop system replaces the conventional cooling tower. A standard low maintenance mold heater unit provides heating and cooling water for conditioning molds. The TRW 90 models provide 15,000 Kcal of cooling capacity. A honeycomb wheel dehumidifier dryer provides optimum drying efficiency, resulting in improved product quality, mechanical properties, surface finish and a reduction in rejected parts, according to the company.

Intelicare Limited
www.intelicare.co.uk

Post date: 5/31/2017

 
Inert atmosphere oven
Inert atmosphere oven The No. 1038 is a 500F (260C) inert atmosphere walk-in oven, currently used for annealing polyurethane tubing at the customer's facility. Workspace dimensions measure 60" wide by 72" deep by 84" high. Incoloy sheathed tubular heating elements have 40 kw installed, while a 4,200 cfm, 3 hp recirculating blower provides vertical downward airflow to the workload. This walk-in oven has 6" insulated walls and an aluminized steel exterior with white epoxy paint. A Type 304, 2B finish stainless steel interior with continuously backwelded seams and inert atmosphere construction are also onboard, including a pressure regulator, flow meter, pressure gauge, inner oven walls sealing directly against a 1/2" thick silicone rubber door seal, blower shaft seal, positive latching door hardware, adjustable offset door hinges, outlet with pressure relief, interior seams welded gas-tight, and all wall penetrations fitted with compression fittings.

Grieve
www.grievecorp.com

Post date: 5/31/2017

 
Flexible screw conveyor
The Flexicon flexible screw conveyor with trough hopper can receive material from multiple outlets of feeders, grinders, blenders and other process equipment. The hopper features an extended-length charging adapter that exposes 45 inches (1,143 mm) of the flexible screw rotating within an inclined u-shaped trough to charge material entering the hopper at any point. The rugged inner screw is the only moving part contacting material, and is offered in numerous designs to handle both free- and non-free-flowing materials, including products that pack, cake or smear, with no separation of blends. As it rotates, the flexible screw self-centers within the tube, providing ample clearance between the screw and tube wall to eliminate or minimize degradation.

Flexicon
www.flexicon.com

Post date: 5/31/2017

 
Batching feeder system
Batching feeder system A loss-in-weight vibratory batch feeder system is offered for dry processing industries. The state-of-the-art system is said to assure accurate and uniform flow of a wide range of materials. The system is comprised of the Model MTD-4K bulk bag discharger and feeder that sit on load cells with controls to stop the feed when it reaches the desired weight. The company manufactures a complete line of custom-engineered bulk processing equipment and systems. With more than 100 years of combined experience, the company is said to serve a wide variety of dry processing industries from chemicals and food to aggregates and recycling.

Best Process Solutions
www.bpsvibes.com

Post date: 5/31/2017

 
Extrusion crosshead
The 500 Series crosshead with MAGS gum space adjustement is designed specifically for the flow characteristics and processing challenges of elastomeric compounds. The mechanically assisted gum space (MAGS) adjustement system allows the operator to make an effortless adjustment from a single point using a common socket wrench. The visual indicator on the core tube allows the operator to see how far the gum space has been moved, which is said to make those adjustments much more accurate and repeatable. The hardware-free and patented cam lock design of the 500 Series is said to mean that no time is wasted unbolting and re-securing fasteners for disassembly and reassembly. The 500 Series also features the latest Center Stage concentricity adjustment system to significantly reduce pressure on the tooling. (Guill Tool & Engineering)

Guill Tool & Engineering
www.guill.com

Post date: 5/31/2017

 
Custom rubber extrusion
Specialized in extruders of small and medium sizes, the company is said to supply compact and reliable machines. These machines are equipped with modern controls, as well as screw and barrel designs which are said to be characterized by high output quality and ease of service. Fields of application include rubber profiles, strips and hoses of any kind; cable, wire and cord coating; textile machine aprons and roll coverings; tire and v-belt components; bicycle and car tubes; fire fighting hoses and fenders; silicone rubber products, including for medical applications; blanks for press feeding; and calender feeding and straining. Types include standard extruders, pin barrel extruders, vent extruders and coextrusion lines.

Rubicon Gummitechnik und Maschinenbau GmbH
www.rubicon-halle.de

Post date: 5/31/2017

 
Advanced extruder control technology
Advanced extruder control technology A manufacturer of custom-made thermoplastic elastomer compounds for a variety of market applications in the automotive, medical, general industrial and consumer sectors routinely evaluates material batches and custom compounds for performance and customer specification viability with sophisticated co-rotating, twin-screw extruder technology. Owing to the substantial varieties of color, durometer and the wide-ranging performance properties required, monitoring every aspect of the machine performance is said to be critical. This includes all temperatures, speeds, pressures and torque on the extruder itself, plus an underwater pelletizer, gear pump and multiple loss-of-weight feeders used on the line. The laboratory extrusion line is said to be used for both process and product development assessment. A key requirement was said to be the generation of all data in real time, as part of the management system to be used, as well as the condition monitoring system needed for predictive maintenance strategies being employed. All speeds, pressures, temperatures and other parameters can be instantly assessed, using set point and actual value data on the display, either at the machine HMI or a remote monitor within the compounder's network. The control system comprises the software solution, Siemens drives and motors, the ability to monitory up to 32 separate temperature zones, touchscreen technology on a 15" hmi and scalability on the drives to accept the ancillary equipment being monitoried.

Kraussmaffei Berstorff
www.kraussmaffei.com

Post date: 5/31/2017

 
Gear extruder system
The Uth gear extruder is said to provide rubber processors with an effective solution for improving product quality and extrusion processes. This extruder can be used independently or in tandem with a single screw extruder to pre-screen rubber and remove impurities, eliminating the need for screening during the extrusion process. Features include a two-roll feeder for single or multiple strip feed operation; 200 mm, 300 mm and 370 mm screen diameters; multiple temperature control zones; hydraulic clamp and adjustable hinged head; touchscreen PLC control; and it is pre-piped and wired on a common base for easy installation, according to the manufacturer. ()

Davis-Standard
www.davis-standard.com

Post date: 5/31/2017

 
Extrusion, injection screws
Extrusion, injection and conveyance screws are offered for a variety of applications servicing a multitude of polymer processing venues. Depending on the severity of the polymer flow environment, the company offers packages manufactured from a variety of base materials, including carbon steel with hardened alloy welded flight lands, nitralloy, high chromium tool steel, tool steel, hastelloy, inconel and stainless steel. Full cap flight encapsulation can be applied via a plasma transfer automated welding system, allowing the least amount of base material dilution into the hardened alloy. This is said to result in highly wear-resistant flight lands and maximizes the life of the extruder screw. Along with material and hard surfacing specification, the company offers custom screw profiles that maximize the performance of the processing feed screw.

United Feed Screws LLC
www.unitedfeedscrews.com

Post date: 5/31/2017

 
Continuous preformers
In order to reduce waste and cost in compression molding applications, the market is said to be demanding more accurate preforms produced with the company's continuous non-stop gear pump extruders. The company's preforming systems are said to be based on the accuracy and stability of its unique extruder gear pump combinations. Adding a variable speed integrated cutting unit, plus a sophisticated software control system, the firm's cold feed extrusion systems are said to become a high precision preformer. System outputs range from 60 kg/hour up to 4,000 kg/hour.

VMI Holland BV
www.vmi-rubber.com

Post date: 5/31/2017

 
Extruder screw elements
Extruder screw elements Involute screw elements are available for the company's high end extruder series ZSK. To significantly increase throughput rates of its ZSK extruder series, the company has developed special involute screw and kneading elements with a patented cross-section design. These screw elements are said to be ideal for highly filled recipes for which the dispersion rating and the incorporation of the filler represent a limitation. Besides higher throughput rates, these involute screw elements are said to ensure higher loading of filler, better dispersion and homogenization, lower energy consumption and a significant increase in profitability, according to the company. Comprehensive tests are said to have shown a remarkable throughput increase, depending on the recipe.

Coperion GmbH
www.coperion.com

Post date: 5/31/2017

 
Silicones for extrusion
Silicones for extrusion The HCR (high consistency rubber) product line, Sil-X-Shin silicone elastomers, a platinum, addition cure series, includes two distinct HCR extrusion versions, including methyl-vinyl and phenyl silicone specifically engineered for extruded tubing and profiles, and designed for use in healthcare, beverage and architectural glazing applications. Both series are available in a wide range of durometer A hardness, from 40 to 80, and come in a convenient 10:1 ratio of base compound to catalyst, which is said to provide more overall mixing confidence. The methyl-vinyl extrusion grade series is said to represent a second generation, optimized line of products that feature unique translucence and clarity. Notably, extruded tubing exhibits no bubble formation while curing in the oven, and it produces a smooth surface finish, according to the company.

Shin-Etsu Silicones of America
www.shinetsusilicones.com

Post date: 5/31/2017

 
Hybrid extrusion tooling has compact design
Hybrid extrusion tooling has compact design An updated version of the 800 Series extrusion tooling, known as the 800 Series Hybrid, has been introduced. In some extrusion applications that utilize crossheads and inlines, layers of the exact same material are applied multiple times, using a single die. This method is used to reduce the propensity for errors caused by gels breaking through a thin wall, weld lines, inconsistent wall thickness, plus material and process variations. Additional errors include difficult-to-process materials and demanding applications where there is zero fault tolerance. Seeking to design the next generation multi-layer die to overcome these challenges, the company's engineers looked for a way to incorporate this technology into an updated version of the 800 Series. This led to the creation of the 800 Series Hybrid. The inherent benefits of the 800 Series are retained, including compact design, low residence time, and a common deflector bore that eliminates tolerance stack up. The challenge was to create a hybrid design that incorporates the benefits of layer overlapping, while reducing unnecessary complexity and making the technology more cost-affordable for customers. This was achieved by overlapping layers in each semi-deflector, using a single cone. The highly efficient design of the 800 Series Hybrid is said to reduce cost and size, as opposed to other methods of overlapping layers. Essential benefits of the 800 Series Hybrid are said to include eliminating weld lines in materials through patented overlapping technology, producing a more consistent finished product; reduced sensitivity to changes in viscosity; reduced sensitivity to changes in line speed; myriad material and multi-layer application possibilities; low residence time; compact design, and more.

Guill Tool & Engineering
www.guill.com

Post date: 5/31/2017

 
Strip winding systems
Thanks to the finely tuned interaction with state-of-the-art rubber processing extruders, the company's strip winding systems are said to stand out for excellent productivity, optimized advance and coating control, and maximum ease of operation. All the operator has to do is enter the application-specific compound, length, diameter and thickness, and the rest is done automatically. These strip winding systems are said to be suited for processing a wide range of different compounds, from silicone, SBR, NBR, EPDM, NR, HNBR, FKM and (F)VMQ, up to highly-filled special compounds. They are designed for covering rolls for various industrial applications.

KraussMaffei Berstorff
www.kraussmaffeiberstorff.com

Post date: 3/22/2017

 
Gas-fired walk-in oven
Gas-fired walk-in oven The No. 920 is a gas-heated, 500F walk-in oven, currently used for curing various rubber parts. Workspace dimensions measure 52" wide by 48" deep by 48" high. The oven has 350,000 btu/hour installed in a modulating gas burner, while a 4,200 cfm, three hp recirculating blower provides horizontal airflow to the workload. This walk-in oven features a stainless steel exterior with #4 brushed finish, a Type 430 stainless steel interior with continuously backwelded seam construction and 4" thick insulated walls. A top-mounted heating chamber is provided to conserve floor space, while a motorized damper on the exhaust accelerates the unit's cooling. Oven exhaust discharges into a Type 304 stainless steel scrubber with brass piping.

Grieve
www.grievecorp.com

Post date: 3/22/2017

 

 
 
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