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Urethane Processing Systems.

PRODUCT LINES REVIEWED

ADM-NORTH AMERICA

Continuous foam casting systems for PUR-foam pipe insulation, pipe elbows, and blocks come from ADM in Germany. Highly filled system is flame resistant. Pipe insulation is cast in 1-meter lengths. Blocks can be up to 3 meters long. In-situ foaming is applicable to central heating and air-conditioning systems, caps, and valves. Foam outputs of 1.1 to 44 lb/min at 3.1-61.8 lb/cu ft.

ADHESIVE SYSTEMS TECHNOLOGY

Provides both custom-designed and standard mixing and dosing systems that are able to handle viscosities from one to one million cps. Outputs range from 1 cc to 5 gal/mm with an accuracy within 0.5% per shot.

Complete line of gear, rod and cylinder pumps can be custom configured to meet material and process requirements. Systems can be pneumatic or electrically controlled using stainless-steel components and AST pumps. Units come complete with supply containers, controls, meters, dispense valve, housing and all interconnecting piping. Options include XYZ motion, material temperature control, material agitation, pressurized tanks, low level sensors, automatic material refill system, automatic purge, parts counter, adjustable shot size, controllers and material transfer pumps.

ADVANCED PROCESS TECHNOLOGY

Meter/mix/dispense equipment for two-, three-, and four-component elastomers and foams. "Flying Wedge" features variable ratio, digital-readout temperature control to 300 F, vacuum degassing, positive-displacement metering, and output rates from 50 g to 50 lb/min. Also PLC/servo-motor-controlled metering and mixing systems with pushbutton ratio, shot size, and output rate control.

ASHBY CROSS CO., INC.

Meter/mix/dispense equipment for two-component reactive materials. Piston-metering units for encapsulating/potting, gasketing, molding, and sealing provide precise ratio control using rotary flow-control valves for accuracy. Single- and double-acting systems feature no-purge static mixing or disposable dynamic mixing, which eliminates solvent flushing.

Gear-metering systems for PUR casting and RTM provide flow and ratio control using two independently controlled drive systems with ratio-control feedback loop.

Rapid prototype molding using resin injection with the Ashby Cross RTM system provides prototype shops with a flexible, accurate metering system that includes vacuum degassing, variable ratio and flow rate, and solvent-free dynamic mixing.

AUTOMATIC PROCESS CONTROL INC.

Multicomponent metering/mixing dispensers for casting PUR, epoxy, polyester, and silicone. Systems for low-volume batch applications to high-volume automated production. Positive-displacement metering systems for filled/unfilled materials, vacuum or atmospheric casting, preset shot or continuous pouring. Materials kept under vacuum and agitation for heating and outgassing. Dynamic or static mixers. Color and purge systems.

BASF CORP.

Meter/mix/dispense units for rigid foams in densities from 1.40 to 10 pcf at 6 to 90 lb/min. Systems include dispensing gun and chemicals packaged in pressurized tanks. Autofroth system produces rigid froth foams for building insulation, refrigeration, and flotation.

LOUIS P. BATSON INC.

Complete line of polyurethane-making machinery and converting machinery from Crecimiento Industrial Co. Included are foaming, peeling, shredding, milling, quilting, profile, and foam ball milling machines.

BAYER CORP.

See Hennecke Machinery.

CANNON USA INC.

Broad line of standard and custom PUR equipment and turnkey systems for appliance, automotive, furniture, panel/insulation, recreation, slabstock and specialty applications.

Equipment includes various pump-type, high-pressure metering units (Models L and A-System), cylinder-type, high-pressure metering units (Models LC and HE-System), and low-pressure metering units (Model b). Range of mixheads can be incorporated into machine configuration, including the patented Cannon FPL or FPL-AX mixheads, the Trio mixhead, or LN mixhead.

For molding, a range of clamps include Model PM clam-shell-type clamps, Model 2C two-post clamps, four-post clamps, shuttle-bed clamps, and panel presses. Conveying systems include turntables and carousels.

Auxiliary equipment includes EasyFroth and Multi EasyFroth units for the addition of gaseous alternative blowing agents and pentane, air nucleation units, color addition units, manipulators, robots and a line of heater pumps.

Turnkey systems include InterWet applications, which require fiberglass reinforcement or mixing with fillers; b2G Plus for gasketing applications; CannOxide for the production of liquid carbon dioxide blown molded foams; CarDio for liquid carbon dioxide blown slabstock foams; Duotec for low-density SRIM and RRIM door panels; Zero-Time Change fixtures, drum units, Paternosters, Car Trak systems, and laminators for rigid and appliance foams; Stratotec for headliners; Insotec for sound absorption applications and Capsotec for window encapsulation.

CONSTRUCTION TECHNOLOGY DIV. INVESTMENT HOLDINGS GROUP LTD.

Engineered processing systems for proportional metering, mixing, and dispensing of reactive systems. Designs provide accurate ratio control of materials, notwithstanding variable viscosity characteristics by utilizing mass-flow meters with computer-monitored interlocks responsive to the instantaneous demand of the production line. Temperature control available for all reactive components, including mixer design accounting for mechanical energy generated by the rotor and stator. Mixer design allows for mechanical encapsulation of gases (in lieu of chemical blowing agents), controlling foam cell-size control down to submicron range. Encapsulated gas blend emerges pre-expanded to final bulk density, unlike conventional frothing equipment. Sub-micron-sized gas cells increase thermal insulation properties. Throughput capacities from 10 through 10,000 lb/hr.

DECKER INDUSTRIES, INC. DIV. OF LIQUID CONTROL CORP.

Low-pressure and high-pressure (RIM) metering/mixing/dispensing machines for PUR foams, elastomers, and epoxies. Depending on machine and process, mixing is mechanical, static, or impingement. Applications include open mold pouring, casting, and injection. Models available with process rates from 1 g/ sec to 300 lb/min. All systems feature precision metering by gear or axial piston pumps with variable speed a-c or d-c motors, accurate heating and cooling temperature controls and Allen Bradley process controllers.

RIM equipment features patented Pocket Head with adjustable length mixing chamber with reverse angle impingement, and replaceable orifices. Mixing is said to be improved and lead/lag reduced. Both right-angle (open pour) and in-line heads (injection) available.

Also supplies line of x-y-z robots with microprocessor controls for automatic mixhead positioning used in producing foam-in-place (FIP) gaskets and filters. Complete turnkey systems can be provided.

EDGE-SWEETS CO.

Range of equipment for metering/dispensing plural-component urethane systems. Low-pressure equipment from 0.3 to 1000 lb/min, Patented valving system handles 2 to 20 metered streams.

Low-pressure dynamic mixers with no flush required. Mechanical purging of reacted mixture eliminates necessity of solvent flush.

RIM equipment for outputs of 50 to 800 lb/mm. Economical sleeved mixing head comes in straight-head or "freepour" design to allow impingement mixing into open molds without splashing. Custom equipment available.

Elastomer metering/dispensing capability includes continuous degassing.

Batching of materials systems and inline feeding of metered dry fillers available on foam and elastomer systems.

Complete molding lines custom engineered to meet specific production needs.

FLEXIBLE PRODUCTS CO.

Delta-Therm Eliminator dispensing equipment for rigid PUR foams is supplied together with custom and proprietary chemical systems. System dispenses under nitrogen pressure, instead of using pumps. Impingement-mixing cartridge is solventless and flushless. Chemical throughput controlled by fixed-rate flow controllers, which are pressure compensated to allow for changes in viscosity. Multishot timer allows user to preprogram up to 20 shot times in desired sequence. Total Time Accumulator determines total amount of foam dispensed to ensure better inventory control and planning. Optional digital ratio-monitoring system tracks component flow ratio and alerts operator to potential off-ratio condition by sounding an alarm and shutting down the system.

POLYURETHANE DIV.

Delta-Therm nonrated and Class I rigid foam systems and Flexipol pour and spray foam systems are for applications such as reach-in coolers and freezers, display cases, flotation, ice machines, construction panels, refrigerated trucks, and picnic coolers. Other systems include Ureflex flexible foam and elastomer systems for molding, gaskets, seating, medical products, cushioning, sports equipment, footwear, encapsulants, and orings; Woodthane systems for decorative molding and simulated wood applications; and Ceilthane systems for industrial and specialty applications such as consolidation and structural enhancement.

FOAM ENTERPRISES

Custom formulates rigid, flexible, semirigid and elastomer urethane systems and distributes full line of low- and highpressure dispensing equipment for pour, spray, and RIM. Complete turnkey systems include chemicals, equipment, and services.

GLAS-CRAFT INC.

Urethane spray, pour, packaging, and frothing equipment. Probler gun has patented automatic air purge, air-assisted trigger, and material shutoff valves, and fits all company's proportioners. Round or flat spray patterns. M-series units have outputs up to 45 lb/min and separate primary heaters with solid-state controls. Optional automatic temperature-controlled hoses allow up to 300-ft extension. Also variable-ratio proportioners (1:1 to 10:1) for all models.

GRACO INC.

Foam spray systems with outputs to 30 1b/min incorporate Foam Cat proportioning pump, heaters, heated hose to 208 ft, and low-maintenance spray gun with mechanical or solvent purge. Selection of feed pumps for handling raw materials directly from original containers.

GROUP OMS SpA

See IFTA Canada, Inc.

GS MANUFACTURING CO.

Two-component metering/dispensing system for 1:1 ratio materials such as urethane foams. Compact pumping unit for spraying, pouring or RTM. Little Willie gun is used either as external-mix airless sprayer or with internal-mix head attachment. Options include in-line heaters, heated hoses and digital timing systems. FSF-20-1-50 foam-spray gun comes complete with heated hose, external-mix spray gun, and drum pump.

Pack-and-Foam pour equipment for foam packaging features air-purge gun, 20-ft heated hoses, and direct pumping from drums.

GUSMER CORP.

Integrated line of plural-component meter/mix/dispense equipment for spraying or pouring from 2 to 240 lb/ min. Also high- and low-pressure RIM metering units, mixheads, clamps, presses, turntables, and multistation conveyors. Designs and builds turnkey operations and bulk-storage systems for chemicals.

RimCell series includes three models with outputs of 100 and 240 Ib/min and operating pressures to 3000 psi. This high-pressure proportioner utilizes supercharged, high-pressure axial piston pumps for processing unfilled, nonabrasive, noncorrosive materials.

DeltaRim series includes three models with outputs of 40, 80, and 140 lb/mm and operating pressures to 3000 psi. This high-pressure proportioner is specifically designed to dispense higher viscosity filled and abrasive materials, polyurea, polyurethane, elastomers, SRIM, and other RIM systems.

LP series of polyurethane foam dispensing equipment available with maximum outputs of 30, 60, or 120 lb/mm and pressures to 200 psi. These low-pressure polyurethane processing machines are capable of accurately metering, mixing, and dispensing two-component systems.

H-2000 sprays or pours at pressures to 2000 psi and outputs to 3 gal/min.

H-3500 for both pour and spray dispenses at pressures to 3500 psi and outputs to 2 gal/min.

FF-1600 air-driven, compact, lightweight unit is capable of up to 1.6 gal/min and pressures of up to 1600 psi.

FF-3500 air-driven unit is capable of up to one gai/min and pressures to 3500 psi.

H-6 hydraulically operated unit is capable of up to 6 gal/min and pressures to 2400 psi.

Marksman, pneumatic or hydraulic, is capable of up to 4 gal/mm and pressures to 3500 psi.

VH-3000, available with variable ratio, is capable of up to 4 gal/mm and pressures to 3000 psi.

Complete urethane processing lines may include bulk storage and blending, including fiber or filler; mold carriers, including clamps, turntables, and conveyor systems; auxiliary robotics, ovens, hydraulics, and materialshandling equipment; and SRIM preforming systems.

H&G INDUSTRIES

Precision meter, mix, and dispense systems for plural and single components, for use with silicones, polysulfides, polyurethanes, and epoxies. Systems are entirely pneumatic in a range of capacities and can be custom built for specific requirements,

HENNECKE MACHINERY BAYER CORP.

Broad line of standard and custom-designed PUR machinery includes bulk-handling facilities, blending systems, temperature-control and metering equipment, and laydown systems. Double-belt laminators produce up to 150 ft/min of rigid foam board, Stationary fixtures for refrigerator applications. Turntable and conveyor lines for flexible foam molding and other applications.

RIM and RRIM metering units and mold clamps to 250 tons. Metering equipment from 1 1/2 lb/mm to 600 lb/mm or more can include several proprietary impingement mixhead types such as the self-cleaning MQ head.

UBT and Quadro Foamat (QFM) for continuous slab stock production of flexible foam; NovaFlex system, which introduces [CO.sub.2] as a blowing agent into PUR foams; and FipurTec technology, which eliminates the need for fiberglass mat in SRIM systems.

Systems controls include Foam Roadmap computer-based machine diaguostic software; SPC for evaluating and controlling processes; PLC; and microprocessor equipment controls.

HI-TECH ENGINEERING, INC.

RIM equipment includes cylinder and pump metering machines, bulk-storage systems, mold clamps and complete production lines.

Sure Shot two-component cylinder-metering system has solvent-free operation, patented seal-access area, programmable controller, jacketed day tanks, hydraulic power system, temperature-control unit. It fits a variety of shot-type applications with outputs from 10 to 200 lb/mm. Can accept fillers.

Precision Flow pumptype continuousmetering series has high-pressure pumps mounted in day tanks for cavitation-free performance; eliminates pump shaft-seal leakage, and allows cooler and quieter pump operation. Mixhead boom doubles as a hoist to assist in pump maintenance.

Specialty equipment includes Accu-Flow low-flow-rate, continuous cylinder-metering RIM machine; Micro Shot laboratory series; Compu Shot series with closed-loop accuracy and integrated computer controls; Ultra Flow Rexroth-type metering machine; and rugged, cost-effective Tech Clamp series of self-contained, hydraulic RIM mold clamps.

North American licensee of MBMecanique (Romans, France) for low-pressure elastomer processing equipment Processes two to five components at outputs of 0.4 to 150 lb/mm. Stainless-steel construction, dynamic mixing head, multicolor capability, and Allen-Bradley PLC.

IFTA CANADA, INC.

Individual machines and turnkey systems from Group OMS SpA of Italy include series 2002-C low-pressure foam pouring systems with computer controls, recycling mixheads, rotary mechanical mixers (6000 rpm), and outputs from 3 g/sec to 11 lb/sec. Standard models handle up to six components.

Series EcoMaster high-pressure metering systems for foams, elastomers, and RIM have self-cleaning mixheads and axial piston pumps. Special version capable of rapid, automatic ratio changes for dual-hardness auto seating. The 2LC models with plunger-type metering cylinders permit use of fillers/reinforcements on both polyol and isocyanate sides. The most sophisticated models are hydraulic.

Series EL elastomer pouring machines work at temperatures to 265 F, provide high-vacuum degassing and outputs to 100 g/sec at 1:1 ratio. Mechanically driven mixheads and self-balancing ratio and output control.

Rotary mold carousels and mold-support presses include tilting and other RIM-type presses. Continuous-pouring lines for flexible and rigid buns and blocks produce 220-1100 lb/min. Patented "Top Foam" lines produce blocks with square sections. Foam-core sandwich-panel lines include special versions for phenolic foams. Also Turnkey refrigeration foaming systems.

ITALIAN TRADE COMMISSION

Information on a large range of Italian equipment for flexible and rigid foams including low-pressure machines, high-pressure pouring, RIM and RRIM systems, and complete turnkey plants.

ITW INDUSTRIAL FINISHING

Complete systems and components for PUR, epoxy, or hybrid materials. Fixed-and variable-ratio proportioning systems deliver volumes from microshots to 60 lb/min; air- or hydraulic-powered. Manual or automatic spray systems use high-volume/low-pressure, airless, air-assisted airless, or conventional air atomization.

Foam systems offer high-volume spray, pour, or frothing, as well as microshots to fill voids. Standard packages or custom designs for low-volume special applications.

IVEK CORP.

Liquid mixing/metering/dispensing systems for urethanes, epoxies, additives, and other liquids. Complete systems with static mixers for low-flow applications. Solid-state electronics, stepping-motor drives, and maintenance-free operation.

KORNYLAK CORP.

Complete production lines and components for urethane and phenolic foams include continuous foam slab, bun, and log systems of 2-96 in. x 30-60 in. that operate at 5-60 ft/mm; continuous foam-core and honeycomb-core panel systems 2 to 12 ft wide that produce 1/8- to 6-in.-thick panels at 2 to 200 ft/min; continuous scrap-foam rebonding lines; rigid and flexible foam molding lines; three- or four-component phenolic foam machines that meter, mix and pour or spray phenolics in viscosities from 5000 to 100,000 cp; and line of high-production cutters for rigid and flexible foams.

Turnkey packages include operator training, start-up, and assistance in chemical formulation and selection.

KRAUSS-MAFFEI CORP.

RIM and RRIM machinery for molding flexible, semi-rigid, and rigid urethane parts, as well as elastomeric and solid parts.

RimStar machines range from 10 to 1600 lb/min. Lance-piston RIM and RRIM metering machines (type KK) give shot weights to 160 lb. Standard equipment includes blowing-agent blending and metering systems. Also filler blending equipment.

RIM and RRIM machines have patented self-cleaning impingement mix-heads, which recirculate through injection nozzles to eliminate lead-lag problems. Two mix-head styles available: linear for closed molds, and UL for splashfree dispensing into open molds. All machines can be operated with multiple mix-heads.

Also mold carriers, racetrack conveyors, turntables, mixhead manipulators, and robots. Machines and equipment controlled by PLCs and computer systems.

KYMOFOAM CO.

Water purge, dynamic mixing, recirculating low pressure metering and dispensing equipment. Machines process nearly all polyurethane materials, epoxies, polyesters and silicones including wide ratios, high and low material viscosities, or extreme viscosity difference between components. Lead-lag problems are eliminated by component recirculation and special adjustments designed into the mixing head. Material ratios from 1:1 to 100:1 and pouring rates from 1/2 to 300 lb/hr available. Special pumps handle highly filled materials. Economical two-component machines supplied.

LINDEN INDUSTRIES, INC./EMB

Proprietary equipment designs and also licensed to manufacture Elastogran line of PuromatR standard and custom plural-component systems. Specializes in:

* "Total systems" for automotive and nonautomotive process lines.

* RRIM lance-cylinder metering machines with high-pressure impingement and closed-loop control. Outputs from 4 g/sec to 25 lb/sec with 60% filler content.

* Nucleation and in-line density measurement.

* Flexible and rigid foam metering machines with outputs to 850 lb/min.

* Low-output, continuous-delivery machines for spraying or pouring, with hand-held, self-cleaning, light-weight guns.

* Specialized low-pressure metering equipment.

* Lab-scale metering machinery and data-acquisition software.

* RIM recycling equipment.

* RIM, RRIM, RTM, SRIM molding, booking and tilting presses.

* Controls and SPC packages.

* Low-output, high-pressure metering machines with total T/Ps as low as 20 g/sec.

LIQUID CONTROL CORP.

Complete line of meter, mix and dispense along with accompanying automation capabilities. Motionless, dynamic and disposable dynamic mixing technology. High- and low-pressure machines and mixheads for open and closed mold applications for foams and elastomers. Posiload positive-displacement piston pumps and Posidot rod metering for shot sizes from 0.005 cu cm to several lb/min. Electrical potting, bonding, molding and casting. See also Decker Industries Div. in this section.

Twinflow CVR dispensing machine meters two or three components with Posiload volumetric piston pumps. Accurately repeats shots of 1 cc and up at speeds from less than 1 lb/min to 100 lb/ min and dispenses viscosities from water-thin to heavily filled pastes. Ratios from 1:1 to 200:1. Standard and custom-designed units for filling open molds or injecting materials under constant pressure into closed cavities.

LME-BEAMECH, INC.

PUR foam dispensing systems have 300-800 lb/mm capacity. Injector block has 16 ports, including a 2-in, resin port. All functions controlled and programmed from a single center. Systems supplied for flexible and rigid foam slab, foam boardstock, and sandwich-panel laminators.

Complete PUR foam pour conveyor systems, automatic cut-off saws, and trimmer saws also supplied.

Rigid PUR foam laminator conveyors produce continuous foam board to 48 in. wide x 6 in. high on a double-metal-slat conveyor with top and/or bottom paper or other substrates. Laminators from 30 to 100 ft long and up to 20 psi operating pressure. Custom-built units available.

Edge-trim saws and cut-off units synchronized to conveyor speed for accurate cut Foam-slab storage and multitier automatic handling systems cut foam to length using a belt and aluminum slat design. Other systems include automotive seat-pad routers, seat-pad dust-removal units, continuous-pattern routers for rolled material, and handling equipment.

MAX MACHINERY, INC.

Liquid mixing/metering systems for two or more components heat materials to desired process temperature, degas, meter with accuracy of [+ or -]0.5% of desired flow rate, mix, and dispense. Suitable for PUR, silicones, epoxies, and other liquids. Systems designed around user needs using standard subassemblies.

METER-MIX DIV. ACCUMETRIC, LLC

Volumetric dispensing and mixing machines employ unique cylinders designed so that seals are not subject to metering-stroke pressure. Static or dynamic mixheads have valving systems that eliminate lead/lag problems. Also equipment utilizing positive-displacement gear and rotary piston pumps driven by d-c motors with digital control for precise ratio and metering accuracy. Machines can process up to five chemical components. Optional temperature control of chemical components.

PRECISION CRAFT CORP.

Low-pressure PUR foam dispensing systems from Transtecnica of Brazil. Series of machines has boom-mounted mechanical mixing head. Shoe-sole systems with multimold carousel available.

RYNEL

Meter/mix/dispense systems for variable-ratio processing of plural-component liquid systems such as PUR, epoxies, polyesters, and silicones. Components or complete production systems created for a specific purpose. Indexing and fixtured equipment can be supplied as part of a system. Lab and pilot-plant to full-scale production capability. Equipment incorporates up to 80% solid fillers in urethane foams.

SEALANT EQUIPMENT & ENGINEERING, INC.

Variable- and fixed-ratio meter/mix/dispense equipment with volumetric or timed shots, or operator-controlled volume and flow rates to 20 lb/min. Can be supplied with heated pressure tanks and gravity, pump or positive-displacement feed. Used with adhesives, sealants, and other reactive resin systems from water-thin to high-viscosity. Also systems for mixing three material components for water-based coatings.

SEALED AIR CORP.

Instapak foam-in-place dispensing systems include semi-automated systems that handle rigid, semi-rigid and flexible foams.

Also offers family of Instapak PUR packaging foam chemicals.

URETHANE SERVICE, INC.

Equipment for processing multicomponent, thermoset materials such as PUR, polyesters, silicones, and polysulfides.

Elastomers in a wide range of hardness and also syntactic or chemically blown foams over a wide range of densities.

Filled and unfilled materials in viscosities from 30 to 2000 cp. With special techniques, materials in excess of 1 million cp can be processed easily. From dispensing less than 0.1 g of material up to large void-filling equipment that puts out over 400 lb/min.

Also equipment for pouring, casting, bead laying, frothing, potting, spraying, RIM, and RTM.

Self-cleaning impingement mixheads use no solvent purge. Disposable static mixers also eliminate solvent usage. Dynamic mixing heads furnished when required.
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Publication:Plastics Technology
Date:Sep 1, 2000
Words:3598
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