Please visit: Technoject Machinery Corp.
310 Healey Rd. Unit B
Bolton, ON L7E 5C1 CA
Supplies standard and custom hot-runner components and hot halves, specializing in micro nozzles. Heitec hot-runner system uses 230 v heating elements that provide external heating and are thermally insulated from the mold by layers of air. Melt conveying tube in nozzle is made of an alloy with high thermal conductivity and abrasion resistance. Minimum center-to-center spacing of 0.276 in. (7 mm) between individually controlled nozzles. Thermal separation of heating elements allows for inside gating through small cores. Valve gate, top- or edge-gate multitip nozzles with a maximum of eight tips placed on a diam. up to 3 in.
Tip extensions now offered on 230 v hot-runner nozzles that are capable of processing high-temperature engineering resins. Typical applications include recessed gate locations and inside gated covers. Tip lengths and shapes can be customized to suit the recess shape. Tips available as screw types for in-press servicing.
Molds and tooling were a big topic at the Molding 2013 Conference in New Orleans this January.
Most of the emphasis is on valve gating and on doing more in less space. Other highlights include standardized mold components, some impressive feats of moldmaking creativity, and advances in mold simulation.
Smallest flat line nozzle allows cavity spacing of 5.5 mm.
A U.S. custom injection molder that’s hiring?
WEB EXCLUSIVE: Star-Line edge-gate nozzles with one to eight tips now come in a two-piece design with a body and crown.
If a better machine can help your company beat challenging economic conditions, you’ll probably find it at NPE. And finding it will be easier, thanks to our editors’ efforts to sift out of some 2000 exhibits the most significant news in injection and blow molding, extrusion, compounding, and thermoforming.
The accepted ground rule for balancing melt flow in multi-cavity injection molds is to achieve equal flow distance from the injection point to each cavity.
A new single valve-gate nozzle uses mechanical actuation that takes up very little space in the mold.
Valve gating and side gating are combined in a new compact hot-runner system from Heitec in Germany (represented here by Technoject Machinery Corp., Bolton, Ont.). It's designed for molding precision medical and optical components, including small tubes or long, thin-walled cartridges where gate location is critical.
New nozzles in which every component can be replaced while they are mounted in the press were introduced by Technoject Machinery Corp., Bolton, Ont.
Electrically driven valve pins, a low-cost alternative to valve-gating, mold-mounted temperature controllers, and new components for fast color changes are some of a host of new components and systems unveiled at the giant NPE 2006 show in Chicago this past June. (Some brand-new introductions since the show are also included in this report.) The news includes runnerless products aimed at everything from micromolding to shot weights up to 17.4 lb.
Thermal and mechanical testers, color and appearance sensors, vision inspection devices and CMMs—the NPE had them all in more compact, economical, and easy-to-use models.
Energy-saving all-electric machines will continue to be a big draw at NPE, where new designs or upgraded models will be found in virtually every press maker’s booth.
The diversity of electric machines will be on display at this year’s show, with several new all-electric versions in direct-drive and belt-driven versions.