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igus® Vietnam Company Limited

Unit 4, 7th Floor, Standard Factory B, Tan Thuan Export Processing Zone, Tan Thuan Street

District 7, HCM City, Vietnam

+84 28 3636 4189

Cables and energy supply systems prove themselves in high-speed injection moulding machine

Hekuma has been using chainflex control cables and E6 energy chains for more than 10 years

Hekuma's high-performance automation systems for the plastics industry operate with cycle times every second. For the energy supply system of the grippers, this means that the first million strokes are achieved after only four to six weeks - and that under adverse environmental conditions such as heat, high acceleration and movement in two axes. This is where our chainflex cables prove their worth and are subjected to almost as much stress as in our in-house test laboratory.


  • What was needed: chainflex CF9 control cables, energy chain series E6
  • Requirements: The extraction robot reaches extreme speeds, whereby the extraction time of the injection moulded parts is less than one second. Within a few months, several million double strokes are already achieved, and this at very high accelerations of up to 10g.
  • Industry: Plastics machinery, injection moulding machinery
  • Success for the customer: Thanks to cores wound in bundles, CF9 control cables with a tight bend radius remained strong for years even under extreme bending stresses and high dynamics. The jacket made of abrasion-resistant TPE ensures very good abrasion properties. The E6 energy chains also handle the high dynamics reliably and without failure.
Injection moulding machine Hekuma The chainflex CF9 is the high-end cable in the igus standard range - developed for maximum service life under extreme dynamic loads. With the CF10 series, a shielded variant is also available from stock.


Fast - faster - Hekuma: The company Hekuma stands for high and maximum performance automation of complete systems for plastics processing, which are used for example in medical technology, the automotive industry or in the production of consumer goods. In its injection moulding machines, the manufacturer automates not only removal, but also upstream and downstream processes such as the punching of contacts or the insertion of stamped parts into the injection mould. In doing so, they work at extreme speeds. Typical cycle times are four to six seconds, with some achieving removal times of less than one second. This is also the case, for example, with a system from Hekuma with a 64-cavity mould for the production of laboratory sample containers, which is clocked with a cycle time of 5.5 seconds.
However, due to the high pace of production, an outage of just a few minutes would quickly lead to tens of thousands of missing parts. As a result, it is often the mechanics that set its limits, but often also the electronics. Hekuma is thus moving at the (speed) limits of mechanical engineering - and the question arises as to which cables and which energy chains the grippers are equipped with. With the typical cycle times, several million double strokes already accumulate within a few months, and this at very high accelerations of up to 10g. A conventional cable would fail under these loads after just a few days.


The cable solution chosen by Hekuma lasts for years. And has therefore also been an integral part of the injection moulding machines for over ten years. Specifically, the company relies on the control cables of the CF9 series with cross sections of 0.25 to 0.34mm2 as INI cables. The cables from our chainflex product range have been specially developed for use in energy chains. Only optimised stranded wires are used in the individual cores, which are not too thin and not too thick in their wire thickness. The individual cores are stranded in such a way that no "corkscrews" can occur. This is where cores wound in bundles help, in which the cores are first stranded with a short pitch length and the resulting bundles are in turn stranded to form an overall structure. This structure takes place around a high tensile strength centre element. This means that the stranding remains strong even under the highest bending stresses and high dynamics. The jacket made of special abrasion-resistant TPE ensures very good abrasion properties and the small bend radius of 5xd is also perfectly adequate. The small bend radius is critical because space for tool and workpiece handling is often extremely limited.
While the moving cables are partly exposed, they run in chain guides on the main axes. Here, Hekuma has selected the plastic energy chains of the E6 series as the standard system. The requirements here are similarly high as for the cables: due to the very short strokes, constant vibrations occur in the cable system, which act like short blows. This causes a very high stress on the chain and cable, quite different from constant rolling movements.
The heavy injection mould is completely open for only 0.8 seconds. In this short time, the gripper must move into the mould, remove the finished plastic parts with a movement in the second axis, before the mould closes for the next shot.

"We have been using cables from the chainflex product range from igus for about ten years. Our internal standard cable is the CF9 series with cross sections from 0.25 to 0.34mm2 as INI cable. We have had very good experience with this."

Holger Weber, electrical designer at Hekuma GmbH
chainflex CF9 for extraction robot The extraction robot moves into the open mould - and typically has three to six seconds for the complete cycle. This places extreme stress on the electrical cables.
chainflex CF9 The high number of cables also places high demands on their availability. One cable break - and the machine stops. chainflex CF9 cables ensure the high productivity.

Comprehensive chainflex product range - also for condition monitoring

Hekuma is at the forefront of exploring new possibilities in drive and control technology. This applies to the introduction of new technologies in processing and assembly, but also to the fundamentals of automation technology. The goal is to integrate even more electronics and sensor technology in the future - for example, for the status analysis of machine components. In any case, there is no need to worry about the energy supply: even with even higher dynamics, the chainflex CF9 cables and the E6 energy chains provide a system for absolute high-speed automation.
Within the standard CF9 cable, chainflex offers a wide range of further possibilities. Reliable cables for applications with larger radius and fewer cycles are available as well as cables for the smallest radii. The CF9 used here is to be classified in the high-end range of the product line. Users who want even more resilient cables can use solutions with special alloys that can withstand loads even at a radius of 4xd. But for Hekuma - and also for other demanding customers - the CF9's property profile is completely adequate.

Here you can find the products used

CF9 control cables

  • Four-year guarantee
  • Use the price check to always find the cable that costs least and is guaranteed to work

E6 series energy chain

  • High strength and service life
  • For high fill-weight loads on long travels

Các thuật ngữ "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" and "yes" là nhãn hiệu được bảo hộ hợp pháp của igus® GmbH tại Cộng hoà Liên bang Đức và ở một số quốc gia khác. Đây là danh sách không đầy đủ các nhãn hiệu (ví dụ: đơn đăng ký nhãn hiệu đang chờ xử lý hoặc nhãn hiệu đã đăng ký) của igus® GmbH hoặc các công ty liên kết của igus® ở Đức, Liên minh Châu Âu, Hoa Kỳ và/hoặc các quốc gia hoặc khu vực pháp lý khác.

igus® GmbH xin nhấn mạnh rằng mình không bán bất cứ sản phẩm nào của các công ty Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosch Rexroth, SEW, Siemens, Stöber và mọi nhà chế tạo về chuyển động khác nêu trong trang web này. Các sản phẩm do igus® cung cấp là sản phẩm của igus® GmbH


Đơn vị 4, Tầng 7, Xưởng tiêu chuẩn B, Đường Tân Thuận, Khu Chế Xuất Tân Thuận, Phường Tân Thuận Đông, Quận 7, Thành phố Hồ Chí Minh, Việt Nam

Số điện thoại: +84 28 3636 4189

Giấy chứng nhận đăng ký doanh nghiệp số: 0314214531

Ngày đăng ký lần đầu: 20-01-2017



Unit 4, 7th Floor, Standard Factory B, Tan Thuan Street, Tan Thuan Export Processing Zone, Tan Thuan Dong Ward, District 7, Ho Chi Minh City, Vietnam

Phone: +84 28 3636 4189

Tax code: 0314214531

Date of issuance: January 20, 2017