Product category:
Materials processing and testing
News Release from: Twinshot Technologies | Subject: Twinshot technology
Edited by the Engineeringtalk Editorial
Team on 21 August 2001
Co-injection system can be retrofitted
too!
Twinshot technology permits the production of multi-material parts with a sandwich construction (co-injection), using a slightly modified standard injection moulding machine
Twinshot Technologies announces that it will exhibit and demonstrate its new, patent-pending co-injection process at the 2001 K-Show, Hall 16, Booth A71 Joe McRoskey, Technical Specialist for Twinshot, will also introduce the technology at the K-Plast 2001 Conference in Dusseldorf prior to the K-Show
This article was originally published on Engineeringtalk on 15 Jan 2002 at 8.00am (UK)
Related stories
Co-injection moulding process improved further
Twinshot Version II improves on the Twinshot process that permits co-injection moulding of multi-material, by only needing a single screw, with a 2-stage design similar to a vented extruder
Co-injection produces novel bath chair
Rifton Equipment uses Twinshot Technologies co-injection process to mould the Blue Wave bath chair.
Simplicity and low cost are the distinguishing attributes of the Twinshot system as compared to other commercial co-injection systems.
Twinshot Technology, retrofittable to existing machines, permits the production of multi-material parts with a sandwich construction (co-injection), using a slightly modified standard injection molding machine - thereby overcoming the burdens of large capital expense and process complexity that have traditionally made co-injection prohibitive to custom molders.
Twinshot has been proven to reduce resin costs by 25% or more, dramatically cutting product material costs - the single greatest expense to custom molders.
Multimaterial molding, once the exclusive realm of special custom machines, is now within reach of every molder.
The traditional high costs and steep learning curves of conventional co-injection have been shattered by the Twinshot process.
Specifically: Twinshot employs a unique multi-screw assembly which provides the separation of different melts during the recovery portion of the cycle.
The multi-screw assembly includes an extruder residing within a reciprocating screw.
A single, conventional barrel houses the unique multi-screw assembly, adding to the simplicity of the system.
A single conventional hydraulic injection circuit drives the melts into the injection molding machine to become an affordable, reliable co-injection machine.
Adding to the systemūs ease-of-use are the facts that Twinshot requires no new hydraulic requirements, no new software, no new manifolding, and no external controls or support equipment Among the many benefits of Twinshot is the ability to encapsulate low-cost materials, including off-spec, regrind, or recycled material.
The system can also be used to produce soft-touch parts in a single molding operation, encapsulate foamed material to reduce sink, warp, and improve strength-to-weight ratio, and to encapsulate reinforced materials within a cosmetic surface.
• Twinshot Technologies: contact details and other news
• Email this article to a colleague
• Register for the free Engineeringtalk email newsletter
• Engineeringtalk Home Page
Search the Pro-Talk network of sites
