Thermoplay unveils its new thermal hot-runner nozzle for direct side injection.

17 August 2020

The Molding Solutions strategic business unit of Barnes Inc. has expanded its portfolio of nozzles. In addition to the side valve gate nozzle “Edgeline” from Männer, Thermoplay can now also immediately offer a new, thermal side gate nozzle.

This new open side-gate TFS hot runner nozzle is available in radial or linear layouts (TFS-Radial and TFS-Linear). The TFS nozzles are particularly suitable for injection molded parts requiring a cosmetic injection point and for parts for which the optimal injection position is from the side, i.e. at a right angle to the direction the mold opens. These include syringes, caps, tubes, medical sharps, as well as personal care, caps & closures, packaging products, electronic and technical components.

16 mm between injection points

The TFS-Linear comes equipped with 2+2 or 4+4 parallel nozzle tips, with minimum injection point spacing of 16 mm. The radial design features hot runner nozzles with 1, 2 or 4 nozzle tips. Most commercially available polymers (PP, HDPE, HIPS, PMMA, POM, PC and many others) can be processed using the Thermoplay TFS design.

Patented technology for safety and ease of installation

A special feature of the linear side-gate TFS-Linear nozzle is its patented thermal expansion compensation system in the longitudinal direction.

The cylindrical sealed area between the nozzle tip and cavity ensures maximum reliability during the injection phase.

There is an additional patent for the nozzle tips on the nozzle body attachment system. This makes both the radial and the linear version remarkably easy to install or remove rapidly. The nozzle tips can be easily replaced or maintained in cold condition directly on the machine without disassembling the mold. First, the nozzle body is installed in the fixed-side (hot half) mold plate and then the nozzle tips inserted into the cavity. This procedure also offers the advantage of accommodating undivided mold inserts.

Uniform temperature distribution

Thermoplay sets high standards in the area of temperature homogeneity. That is why special emphasis was given to the heating design in developing the new side-gate thermal nozzle. Without exception, all patented heating elements are developed and manufactured by Thermoplay using their proven in-house process.

Direct connection delivers cost savings

Direct side gating means no sprue is necessary. This eliminates costs and effort related to removal of the sprue from the molded part, for material and disposal or recycling. This means direct side gating without a sprue provides genuine added value to the processor in terms of efficiency and handling.

Easy handling & safe production

The thermal side gate TFS-Linear and TFS-Radial nozzles from Thermoplay simplify planning, design and maintenance of compact molds. These nozzles reflect the Thermoplay philosophy of supplying demanding mold makers with products that are efficient, safe and yet easy to use.

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