Chinese injection machine builders take on Koreans in home market

Chinese machine OEMs had a strong presence at the recent Koplas show in Goyang near Seoul, and there is concrete evidence that they are emerging as strong competitors to local South Korean machine builders. Yizumi Precision Machinery, for example, has shipped 14 machines already to Korean Tier I processor Korea Wecosta, with the 1100-tonne two-platen press that was on show at Koplas the latest to be installed in the Tier I’s new plant. The company has delivered machines with clamping forces of 120–1800 tonnes to date. In 2016, Yizumi sales were up 50% in South Korea due to this new customer

Yizumi is finding its feet in the Korean auto sector as Tier Is seek to cut capital costs yet maintain part quality.
Hyundai targets energy savings in its hydraulic machines through use of servo-driven pumps.

Previously molders were concerned about our machines quality but they’ve come to accept that we are up there with their entry level performance requirements and are 10-15% lower in price than our Korean competitors,” said regional sales manager Michelle Chen. “We can't meet all of their needs but our machine performance is sufficient for basic parts,” she added.

Also targeting the automotive market in Korea and beyond is local machine builder Hyundai Injection Machinery, which debuted several new machines at Koplas, among them the EDIS-TG Series of 70–650-tonne servo-hydraulic toggle presses and the EDIS-DL Series of 900–3000-tonne servo-hydraulic “direct locking” two-platen presses. Separate clamping and platen transfer cylinders are employed on the two-platen machines to achieve rapid clamping.

“We now offer servo-hydraulic pump-driven machines exclusively,” says Hyundai Injection Managing Director Lee Byung Dae, offering up to 70% energy savings compared with variable displacement hydraulic pumps, and 50–60% on average.

Hyundai Injection Machinery has traditionally been a strong player in the automotive sector in South Korea, with 40% of its injection units shipped to the industry. It also tied up with Japan’s Toyo recently to offer the latter’s all-electric injection machines to Korean end users globally

Meanwhile, Yizumi will debut a MuCell machine at the Chinaplas show in Guangzhou this May, as well as a refined version of the high-speed machine for packaging applications equipped with in-mold labelling that was on show at last year’s K Show. “The machine will use an eight-cavity mold and we’ve ironed out the issues we previously had with machine and mold,” notes Chen.

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