Two-platen machines are the right answer for large moulds and high-tonnage production. Chen Hsong’s, developed through more than a decade with Mitsubishi, fits the largest stroke and daylight into the smallest footprint, holds uniform clamping force across a six-figure mould, and still cycles fast.
The platform scales from 550 to 6,500 tonnes, with 1,000+ units already in production worldwide.
550-6,500 tonnes
Clamping Force
Up to 750 mm/s
Clamping Speed
Up to 80%
energy and cooling-water saving
± 0.2%
Repeatability within
Two-platen design is well understood across the industry. What sets Chen Hsong’s apart is the engineering behind it. The platform was developed in a long-running partnership with Mitsubishi, drawing on high-end Japanese design for the clamping mechanism, motion profile, and mould-protection logic. That is why these machines deliver precision, stability, speed, and protection together rather than trading one for another.
Chen Hsong pioneered two-platen technology in China in 2007 and built Asia’s first 6,500-tonne servo-driven two-platen machine in 2014.
The advanced design fits the largest stroke and daylight into the smallest floor space. On a crowded shop floor, that saving is real money.
The control platform runs IEC 61131-compliant Beckhoff and B&R controllers over high-speed EtherCAT and POWERLINK buses. Chen Hsong owns the controller IP, so customisation is handled in-house with no third party to wait on.
Clamping reaches 750mm/s, one of the fastest two-platen designs available, keeping cycles short. A patented interlocking mechanism keeps motion quiet and smooth at full speed, and the SVP/3 servo drive cuts energy and cooling-water use by up to 80%.
The third-generation SVP/3 servo drive delivers fast response and superior dynamics. Precision Hydraulics™ adds fine motion control for demanding work like injection-compression moulding, holding repeatability within ±0.2%. The same high-sensitivity hydraulics handle mould protection.
The platform is modular from the ground up: 14 clamping units and 29 injection units in any workable combination. The largest clamping unit reaches 6,500 tonnes; the largest injection unit carries a 110kg shot. An optional Y-injector adds further combinations.
Chen Hsong introduced two-platen technology to China in 2007 and reached a milestone in 2014 with Asia’s first 6,500-tonne servo-driven two-platen machine.
More than a thousand units are now in production worldwide, including a 3,600-tonne press in Germany.
Behind them sits the wider record: over a million Chen Hsong machines installed across nearly 70 years.
Since 2007
pioneered two-platen technology in China
Asia's First
6,500-tonne servo-driven two-platen machine (2014)
1,000 +
two-platen units in production worldwide
1,000,000 +
Chen Hsong machines trusted across 85+ countries
Standard servo-hydraulic machines control flow and pressure at the pump. Precision Hydraulics™ optimises the whole hydraulic circuit and coordinates four layers: motion design, mechanical structure, transducer feedback, and closed-loop servo control, refined together over 30+ years by Japanese and European specialists.
Standard protection slows the clamp and watches for a pressure rise to sense contact. AIR Buffer™ reads a precision pressure sensor through the servo system at full clamp speed and catches a 0.1 mm obstruction, then reopens immediately. It works across the full range, from 88T to 6,500T.
Repeatability on the main motion axes of the MK6 series. Other machine families carry their own figures for different axes and metrics.
Up to 80% less than older fixed-displacement (fixed-pump) hydraulic machines. The servo drive draws power on demand and rests during cooling.
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