Linde unveils improved pressure booster

By Roger Renstrom
Correspondent

Published: April 16, 2012 6:00 am ET

Related to this story

Topics Machinery, Product News, NPE 2012

ORLANDO, FLA. (April 16, 1:10 p.m. ET) — Linde LLC introduced a Presus N10 high-pressure liquid-nitrogen pressure booster at NPE2012 to help gas-assist injection molders improve efficiency and quality.

Parent firm Linde AG, an international industrial gases and engineering company, conducted beta tests with potential customers in Germany, the Czech Republic and Poland after one site conducted trials with a prototype beginning in 2010.

In the initial test, injection molder Engel Formenbau und Spritzguss GmbH of Sinsheim, Germany, worked with the Presus N10 prototype in an effort to reduce scrap and downtimes and shorten cycle times.

“We are seeing interest in the pressure-boosting device,” said Andreas Praller, plastics industry applications manager for Linde in Unterschleissheim, Germany.

The liquid pump can boost nitrogen to 4,500 pounds per square inch and deliver flow rates up to 4,600 cubic feet per hour. The highest flow rate is about five times higher than state-of-the-art gas compressors.

Separately, Linde in North America targets manufacturers of extruded polystyrene foam for a precise-dosing 7,250-pounds-per-square-inch metering system.

Linde’s patented DSD 500 system reduces the use of hydrofluorocarbon and hydrochlorofluorocarbon blowing agents with the controlled addition of precise amounts of carbon dioxide through a proportional control valve. The system keeps carbon dioxide gas consumption low.

Many foam manufacturers in Europe use the DSD 500 system and related pressure boosters.

Linde makes it easy for foam manufacturers to capitalize on the advantages of using carbon dioxide while avoiding hydrocarbon foaming agents, said James Stanley, recently named program manager for industrial applications with Linde LLC in Murray Hill, N.J.

The company offers a way for spot cooling of injection molds with liquid carbon dioxide as a supplement to conventional cooling.

The system can cool hot spots in a mold and improve production of very thin parts, molds with small cores or areas with material accumulations. Use of carbon dioxide can reduce cooling and cycle times, perhaps as much as 50 percent.

Linde provides the spot cooling feature to automotive makers in Europe and is starting to introduce the concept to those in the U.S. automotive and medical markets.

Linde’s development of the spot cooling technology began about six years ago, but “we needed to convince customers that it gives them more flexibility,” Praller said.

For the plastics industry, Linde’s cryogenic gas technology can provide rapid cooling using an inert gas such as carbon dioxide or nitrogen for molding, extruding and foaming applications.

Globally, Munich-based Linde employs about 50,500 and had 2011 sales of 13.9 billion euros ($18.1 billion).

Presus N10 high-pressure liquid-nitrogen pressure booster aids gas-assist injection molders


Comments

Linde unveils improved pressure booster

By Roger Renstrom
Correspondent

Published: April 16, 2012 6:00 am ET

Post Your Comments


Back to story


More stories

Image

CPM Extrusion, ECON launch new line of underwater pelletizers

April 23, 2014 11:25 am ET

CPM Extrusion Group and ECON GmbH unveiled their brand new EUPC line of underwater pelletizers today at ChinaPlas held in Shanghai, China.    More

Image

TSM growing into a second generation of leadership

April 23, 2014 12:50 pm ET

This is a time of great growth for the Dundalk, Ireland-based TSM Control Systems, a company that has created a name for itself since 1977 by...    More

Gloucester expands bag machine rebuilding business

April 23, 2014 10:40 am ET

Gloucester Engineering Co. has expanded its rebuilding and retrofitting of old bag making machines in Gloucester, Mass.    More

Auxiliary firm hits 50-year milestone

April 23, 2014 10:37 am ET

Officials of Piovan SpA are celebrating the Italian auxiliary equipment maker’s 50th birthday.    More

SPI and ANSI publish new machinery safety standards

April 23, 2014 10:34 am ET

The Society of the Plastics Industry Inc. and American National Standards Institute have revised two standards and extruders and vertical injection mo...    More

Market Reports

Market Data Book - Rankings & Lists

A one-stop download of Plastic News' exclusive annual lists and processor rankings containing essential data including sales, employees, end markets, materials and more.
EXCLUSIVE EXCEL FEATURE: full mailing address details for available plant locations.

Learn more

Thermoformed Packaging 2014 Market Review & Outlook North America

This in-depth report provides analysis and discussions of economic and political conditions, market trends, legislative/regulatory activity impacting supply and demand, business opportunities and threats, materials pricing, manufacturing technology, as well as strategies being implemented by thermoformed packaging companies. In addition, there are reviews of 25 leading thermoformers in the packaging segment, assessing their growth initiatives and performance metrics over 10 years.

Learn more

Mold Making and Tooling Review and Outlook 2014 North America

This report provides in-depth analysis of the mold and toolmaking market for North America, including discussions of trends, opportunities, threats, the latest developments in production and labor and equipment trends impacting moldmakers.

Learn more

Upcoming Plastics News Events

May 6, 2014 - May 8, 2014Plastics in Medical Devices 2014

May 12, 2014 - May 12, 2014Plastics News Brazil Pharma Summit

September 10, 2014 - September 12, 2014Plastics Caps & Closures 2014

February 3, 2015 - February 7, 2015Plastics News Executive Forum 2015

More Events