At NPE: 3D Printed Molds

By: Matthew H. Naitove 25. March 2015

At booth W2703, Milacron is showing several developments in tooling. One is a demonstration of how short-run injection mold core/cavity inserts can be built in-house on short notice using 3D printing. Milacron demonstrates this with a PolyJet sysem from Stratasys that inkjet prints droplets of thermosetting liquid photopolymer that solidify when exposed to UV light. Inserts were thus “grown” in 5 hr and loaded into a quick-change MUD mold base from DME, Madison Heights, Mich. (photo). The inserts last for about 500 shots.

AT NPE: Faster, More Compact Electric Press

By: Matthew H. Naitove 25. March 2015

The new Toyo Si-6 series of all-electric machines is one of three new developments being shown by Maruka USA, Pine Brook, N.J., at booth W303. Compared with Toyo’s Si-5 series, the new Si-6 series (pictured) is more compact, runs 33% faster, and has a redesigned clamp for easier maintenance. Larger models (the range is 55 to 1050 tons) also have redesigned injection units. The new System 600 controller runs 10X faster than the previous unit and offers added features. At the show, an Si-300-6 molded 32 plastic spoons in 4 sec, a full 2 sec faster than the previous model.


Maruka also showed Toyo’s compact, all-electric ET vertical machine, which now features enhanced controls for easier operation, faster response, and greater molding accuracy.


Two machines from Fu Chun Shin (FCS) of Taiwan were also on display. One was the new 160-ton FB-160 RSV hydraulic, two-material press. The other was the LA-SV series of two-platen hydraulic presses, brand-new to the U.S. and available in 550 to 4000 tons.

At NPE: Rotary Stretch-Blow Machine from China

By: Matthew H. Naitove 25. March 2015

Among the large contingent of Chinese machinery suppliers at the show this week, Tech-Long USA, Commerce, Calif., is showing off a new generation of rotary stretch-blow molders in booth S32001. The G5 model on display offers outputs up to 2400 bottles/hr per cavity with six to 32 cavities. It reportedly reduces energy use by 10-15% compared with previous machines and enhances compressed-air recovery by 40-55%. Improvements in speed result from use of servo motors instead of pneumatic stretch rods; an integrated gripper system for faster bottle discharge from the molds; and a new PLC with 15-in. touchscreen. Improved seals are said to reduce air-exhaust noise from 92 to 83 db. Keth Boss, CEO of Tech-Long Americas, says this is the fifth-generation machine from Guangzhou Tech-Long Packaging Machinery Co.

At NPE: New ‘Ultra-Fast’ Robots

By: Matthew H. Naitove 24. March 2015

Yushin America, Cranston, R.I., is introducing two Cartesian robots boasting “ultra-high speed” at booth W763. One is the HST-150S (photo), derived from the HSA high-speed models. It’s designed for less than 1-sec takeout times at a “very affordable price.” At the show it demolded 16 packaging frames in less than 0.5 sec for an overall cycle under 4 sec.


A brand-new introduction at the show is the HST-600DS robot, making its world premiere. It’s aimed at thin-wall, high-speed, stack-mold applications, and Yushin promises blazing speed.

At NPE: Toshiba Adds New Electric & Servo-Hydraulic Models

By: Matthew H. Naitove 24. March 2015

Toshiba Machine Corp., Elk Grove Village, Ill., kept its NPE plans under wraps until almost show time, but you can have a look at three new machines in booth W1563. One is a new 30-ton size of its high-performance, “super-fast” all-electric ECSX line. The EC30SX is running connectors on a 1.8-sec cycle.


Also new are two energy-efficient servo-hydraulic models (with pumps driven by servomotors), the 110-ton TiA220S (photo) and 390-ton ISGS390N. “We plan to roll out a complete lineup of servo-hydraulics later this year,” said U.S. and Canada sales manager Steve Cunningham.


All three machines sport the new V50 controller with touchscreen interface and up to 40 optional user-programmable outputs for customizing molding cells without additional OEM programming.

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