{"id":1573,"date":"2010-12-02T14:04:42","date_gmt":"2010-12-02T19:04:42","guid":{"rendered":"https:\/\/www.ulprospector.com\/knowledge\/?p=1573"},"modified":"2018-02-09T14:06:04","modified_gmt":"2018-02-09T20:06:04","slug":"pe-injecting-molding-process","status":"publish","type":"post","link":"https:\/\/ulprospector.ul.com\/1573\/pe-injecting-molding-process\/","title":{"rendered":"Injecting Molding Process for Engineers"},"content":{"rendered":"

By<\/strong> Geoffrey Leonard, <\/a>Bowler Plastics<\/strong><\/p>\n

The future is here. Robotics, testing, automation, packaging and labelling are now all part of the injection moulding process. Engineers are developing limbs, superabsorbent plastics and steel replacing plastics that challenges conventional thinking. From manual clamping to hydraulics to robotics this has been the evolution of injection moulding. And now let\u2019s discuss the future.<\/p>\n

\"Injecting<\/p>\n

“Injection moulding has changed from developing injection moulds to integrated services. Completely tested, assembled and manufactured products are the future.” Cornelius Bezuidenhout (Toolroom and Drawing Office Manager Bowler Plastics (Pty) Ltd). “The system is intended to show what processes we are already able to combine in one injection moulding operation, in a way that makes sense in both machine and mould, in terms of production, insertion, function integration and assembly processes.”(Dr. Dietmar Drummer 2008:15)<\/p>\n

Arburg exhibited the integrated services concept at K 2007 with their LED light strips demo part. The lenses, made out of transparent polyamide, light strips out of ABS and printed conductors produced from conductive PA are all moulded in the machine. This enables the manufacturer to produce products fast, precise and complete. These integrated services often also involve, to a great extent, robotics.<\/p>\n

\"LED<\/p>\n

Multilift V robotics systems are implemented in an overhead design in an Arburg plastics folding crate. This product is finished in a two step process. Firstly all the parts are removed from the five cavity mould simultaneously and then assembled into units. Smiths Plastics in Durban South-Africa use robots in various areas. The M16 series units are used to lift 6kg loads at high speed and has a \u00b10.08MM programmed movement repeatability.<\/p>\n

Its bigger brother the R2000 manages loads of up to 165kg with 5-axis motion which offers flexibility and various control options. Most commonly used is 3-axis robotics in the injection moulding sector of SA. These robots have reduced cycle times by 10%, removing parts efficiently after moulding, and placing them on conveyers for packaging and labelling.<\/p>\n

Speed and precision are the key aspects with inmould labelling in order to produce a cost-effective product. For example the ALLROUNDER 570 A (2,000kN and with 800 injection units) demonstrate in-mould labelling with a 4 seconds cycle time. Six labels are picked up together and inserted into the fixed side of the mould. Simultaneously the part is removed from the moving half by a precision adjustable transfer hand and exactly positioned. With these systems Arburg flexed their engineering muscle and demonstrated the future at K 2007.<\/p>\n

\"SITEC's<\/p>\n

Arburg also developed the thermoset steel replacing plastics. “Comprehensive tests have shown that the thermoset pistons have no disadvantages compared to these made from steel or aluminium. A direct comparison even revealed that thermoset had benefits: The SITEC\u2019s assembly system solution with robotics. thermoset piston achieved a higher degree of efficiency, the material is also lighter\u2019 reducing the overall weight of the assembly.”(Arnold Klausmann 2008:18). In this project, the high-quality mould production of KE in Black Forest town of M\u00f6nchweiller is employed to produce a completely dimensionally stable part that features a highly polished surface. However Engineers had to develop a production cell around the ALLROUNDER 420 C 1000-250 that renders the part 100% complete when it ejects from the cell. Amongst others the cell includes programmed robotic arms, conveyers, automated trimmers and precision injection moulding technology to facilitated part creation.<\/p>\n

“Blatchford\u2019s prosthetics include an advanced mix of microprocessors, hydraulics, stabilising units and wireless programming to help them reproduce the performance of the lost limb.”(2007:58) Design Engineers at Medical technologies company Chas A Blatchford in Basingstake has developed a seal that allows for freedom of movement in prosthetic limbs whilst still providing a perfect high pressure hydraulic seal. Providing more than a plastic part, they\u2019ve supplied amputees\u2019 mobility with their low-friction, leak-free hydraulic seals. Chris Billinge concludes that”\u2026our products\u2026change people\u2019s lives and we hope that our success here will lead to similar projects in the future.”<\/p>\n

Superabsorbents are integrated into packaging products for poultry meat, fish, fruits and vegetable. A filler that, when added to plastics, absorbs leaking liquids such as traces of blood or juices. Subsequently the products stay aesthetically pleasing, delectable and fresh. Significant advances have been made with Luquasorb\u00ae FP 800<\/a> (superabsorbent) by BASF which sold worldwide. The Luquasorb\u00ae FP 800 filler has given us fresher and healthier products subsequently improving our quality of life.<\/p>\n

There is no doubt that advancements in prosthetic limb technology have improved the quality of life of amputees. By reclaiming a moderately normal existence they bear testament to design innovation. Robotic Design brings efficiency but simultaneously eradicates long term injury in sued by heavy lifting. Integrating systems by encapsulation, production cells all streamlined and removed safety risks and danger from the working environment. This contribution by Mechanical Engineers is revolutionizing our everyday subsistence. Without making cognitive acknowledgement whilst shopping or driving your car, it is an undisputable fact that engineers impacts our lives.<\/p>\n

<\/a><\/p>\n

About the Author<\/strong><\/h4>\n\n\n\n
Geoffrey Leonard<\/p>\nGeoffrey Leonard is a young Design Engineer working in the plastics packaging industry. He is currently studying Mechanical Engineering at the Cape Peninsula University of Technology (CPUT). Experienced in Mould Manufacturing and Product Design, he explores a fresh design approach that challenges conventional thinking.Since 2002, Geoffrey has been active in mould manufacture, design, repair and maintenance. Including injection, blow-and pet moulds. He is currently developing an automated design package, customized for sales and marketing to facilitate customer design input. Other research projects include “Cost reduction through automation”.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

By Geoffrey Leonard, Bowler Plastics The future is here. Robotics, testing, automation, packaging and labelling are now all part of the injection moulding process. Engineers are developing limbs, superabsorbent plastics and steel replacing plastics that challenges conventional thinking. From manual … Continued<\/a><\/p>\n","protected":false},"author":20,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[29,21],"tags":[276],"ppma_author":[1237],"class_list":{"0":"post-1573","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-processing","7":"category-plastics-2","8":"tag-processing","9":"entry"},"yoast_head":"\nInjecting Molding Process for Engineers - Prospector Knowledge Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ulprospector.ul.com\/1573\/pe-injecting-molding-process\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Injecting Molding Process for Engineers - Prospector Knowledge Center\" \/>\n<meta property=\"og:description\" content=\"By Geoffrey Leonard, Bowler Plastics The future is here. 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