Motan expands line with HL/ML loaders
Motan Inc. has expanded its line of loaders with the new Metro HL/ML series, which can load up to 200 pounds of resin per hour.
An oversized filter uses a pulsed blowback method of cleaning, allowing the loader to run without interruption.
Motan, of Plainwell, Mich., said the loaders can be used beside the injection press or mounted on the hopper. The units weigh about 15 pounds and stand 22 inches high.
Also new from Motan: the LinkNet interface that simplifies and centrally monitors a company's conveying, drying and blending systems. The Windows-based system uses a simple, menu-driven format that is password-protected for security.
Tel. (616) 685-1050, fax (616) 685-1059.
Dieprest process used for automotive parts
A new Dieprest skin-insert molding process from Ube Machinery Inc. lets molders inject plastic into a preformed skin insert in a single step, without using a special mold design.
Ube said Dieprest is being used to mold automotive parts such as dashboards. Other potential end markets include appliances, furniture and medical equipment. The skin material can be fabric, vinyl foam, paint, sheet film or preformed skin.
Dieprest consists of Ube's multistage clamp control software, a servo-valve closed-loop clamping unit and some proprietary software. Dieprest is added to a standard Ube machine. The machine finds the best conditions by using a trial shot, then the controller recalculates the recipe to make good parts.
Tel. (734) 741-7000, fax (734) 741-7053.
Fast Heat designs new sprue bushing
Fast Heat Inc. developed a new sprue bushing design for hot runner injection molds.
Fast Heat has patented the integrally heated sprue bushing. The company in Elmhurst, Ill., claims it offers advanced heat-transfer ability and can work with the a wide range of resins. The sprue bushing comes in three flow diameters, two head styles and three tip styles.
Tel. (630) 833-5400, fax (630) 833-2040.
Single-screw extruder rivals twin-screws
The new single-screw Mixtruder from Harrel Inc. combines good dispersive mixing of twin-screw extruders with the lower cost and long life of a single-screw machine.
Harrel, of East Norwalk, Conn., uses new CRD mixers developed by Chris Rauwendaal of Rauwendaal Extrusion Engineering Inc. of Los Altos Hills, Calif. Rather than using simple shear stresses, as present mixers do, Mixtruders rely on elongation stresses in the flow, Harrel said. Material makes several passes through the mixing region.
The technology also is available on Harrel's Geartruders, which use a precision melt pump to meter out the plastic.
Tel. (203) 866-2573, fax (203) 866-1483.
Spiral die provides temperature isolation
A new spiral die from Brampton Engineering Inc., the Iso-therm streamlined coextrusion die, isolates temperatures between adjacent layers of film, blow molded containers, wire and cable, or tubing.
The die uses a circulating-oil temperature control system. Oil maintains the temperature of each module by either removing or adding heat as required from any heat transfer from adjoining layers.
The Brampton, Ontario, company said Iso-therm makes it possible to coextrude a wide range of materials, including cross-linkable resins, rubberized polymers and engineering plastics.
Tel. (905) 793-3000, fax (905) 793-1753.
John Brown, Dicer announce agreement
John Brown Plastics Machinery's Cumberland Engineering Division and Dicer Corp. have inked a sales and support deal.
Dicer is based in Haverhill, Mass. Its European operation is in Ovington, England in Hampshire County.
In other news, Brown's Beringer Division is developing a new continuous-flow screen changer in response to demand for low-cost equipment.
Beringer showed a prototype at K'98 last year in Dusseldorf, Germany. A constant flow of plastic runs through a single bore to the die, eliminating breaks. Instead of the usual sliding screen plate, Beringer's design uses a circulator slide plate in what the company dubs a ``rotating wheel concept.'' During screen changes, a breaker plate indexes to a pre-fill position where trapped air is purged with clean polymer.
Tel. (508) 399-6400, fax (508) 399-6653.
Universal Dynamics debuts EZ-Dry dryers
Universal Dynamics Inc. has developed new, low-cost dehumidifying dryers called EZ-Dry.
The dryers mount on the molding machine.
Hopper sizes are 20, 40, 60 and 120 pounds. The EZ-Dry uses 38 percent less energy than the standard desiccant dehumidifying dryer from Una-Dyn in Woodbridge, Va.
Tel. (703) 491-2191, fax (703) 490-7001.
National Tool designs new injection nozzles
National Tool & Manufacturing Co. introduced new Mastip injection nozzles and tips that can be used in 14 combinations.
One major innovation is special plastic insulation within the nozzle well. The design of the melt-flow outlets inside the tip provide a constant temperature and melt flow, for fast color changes with no dead areas. That allows for lower injection pressures, said the company in Kenilworth, N.J.
Tel. (908) 276-1600, fax (908) 276-8616.