
Opening the Toy Chest: Pedalling into the ride-on kids’ market - cellulose aceta
Author:gly Date: 2024-09-30
Assembly in the ATF ensures quick availability of the entry-level electric machines. The portfolio includes machine designations 370, 470, 520, and 570, which cover clamping forces ranging from 600 to 2,000 kN. The injection units range from size 100 to 800 for shot weights up to around 430 grams of polystyrene (PS).
Arburg said that the Allrounder Golden Electric EVO is extremely precise, thanks to its high-quality injection units. The servo-electric drives for inject, dose, and open and close mold deliver fast acceleration, high speeds, and simultaneous movements, all of which add up to short cycle times. Dry cycle times are up to two seconds shorter than standard hydraulic machines, according to Arburg. What's more, energy use can be reduced by up to 50% with the toggle-type clamping unit, the high efficiency of the servo-electric drive, and recovery of braking energy, said Arburg.
An electric Allrounder 470 E Golden Electric EVO with 1,000 kN of clamping force, LSR cylinder, and vacuum equipment was used to mold LSR-based valves for automotive applications at Chinaplas. The material from Wacker — Elastosil at Shore hardness 50 A — is resistant to heat and media and offers good resilience and consistently high performance. Using an eight-cavity mold from Chinese partner Gaoyuan, LSR components weighing 0.8 grams are produced in a cycle time of around 55 seconds. Injection is sprue-less and performed directly via a pneumatic cold runner system. The LSR dosing unit is supplied by Arburg partner 2KM. A Flexlift 10 linear robotic system gently removed the molded parts from the tool and placed them on a conveyor belt.
Stephen has been with PlasticsToday and its preceding publications Modern Plastics and Injection Molding since 1992, throughout this time based in the Asia Pacific region, including stints in Japan, Australia, and his current location Singapore. His current beat focuses on automotive. Stephen is an avid folding bicycle rider, often taking his bike on overseas business trips, and a proud dachshund owner.
Arburg set the initial course for its "local-to-local" activities back in 2020, with the opening of the Arburg Technology Factory (ATF) in Pinghu, China, near Shanghai. Initially, activities focused on adapting Allrounder machines to customer-specific requirements and implementing turnkey systems in cooperation with local suppliers of molds and peripheral equipment. This was followed in 2023 by the Flexlift linear robotic system and now the Allrounder Golden Electric EVO. Both product series are specifically tailored to the requirements of customers in Asia, where they are exclusively marketed
As a partner of Selenis, Resinex plays a crucial role in bringing the new medical PETG range, Selcare, to the healthcare industry, specifically for medical devices. Selcare offers a comprehensive selection of three medical grade plastics for medical devices, with excellent chemical resistance, impact strength and durability so that the medical value chain can exceed the high expectations from customers. This partnership aims to introduce these innovative medical grades to the industry.
Safe grades are the ideal solution for thin-walled applications such as evacuated blood collection tubes, syringe caps and injectable devices. The use of polyester in this field has become well established due to its superior clinical performance. For example, when used for evacuated blood collection tubes, the risk of contamination is reduced, thereby improving patients’ safety and comfort. The blood collection tubes made from these resins achieve rapid cooling, improving cycle times and increasing productivity.
Another product designed for the Asian market is the Flexlift, a cost-effective reliable, rapid, and precise robotic system. Its minimal height and telescopic design make it suitable for confined spaces. Powerful servo motors ensure highly dynamic and precise performance of the vertical mold-entry axes. This enables fast removal, accurate and vibration-free movements, and short cycle times.
Selcare HC 300 is an amorphous copolyester specifically developed for injection moulding parts for medical devices and diagnostic applications, such as fluid management components, dialysers and injectable devices. Its flow behaviour enables the production of everything from thin wall and intricate parts to thicker cross-sections where toughness is required. Injection moulded parts made from Selcare HC 300 are water-clear and glossy, whilst tough and durable. Benefitting from high dimensional stability and toughness of Selcare HC 300, separate components may be assembled with snap-fit connectors, maintaining the strength required to meet safety requirements and sustain daily wear and tear.
In addition, automation and applications experts at Arburg’s ATF in Pinghu develop turnkey and tailored complete solutions in cooperation with local partners. An example exhibited at Chinaplas was for liquid silicone rubber (LSR) processing.
Selcare copolyesters, specifically developed for the medical value chain, are manufactured to rigorous quality standards to meet the requirements of this highly regulated healthcare industry. Selenis’ quality inspection practices ensure the control of physical properties and the consistent provision of quality products Selcare product offering is complemented by a suite of supporting services, including biocompatibility statements, notification of change agreements, and regulatory support, among others.
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