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Die Casting News

Biofilms: How They Impact the Die Casting Process

Posted by Hill and Griffith Company on Oct 7, 2019 3:58:36 PM

Introduction

Within the die casting process, where molten metal is injected into a steel die, a release/lubricant agent is applied to the die to allow for proper release. These release agents are often referred to as die lubricants.

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Tags: Die Casting, Die Casting Lubricants, Die Casting Lubricant, Tim Cowell, Die Casting Process, die casting lubricant management

NADCA Die Casting Congress & Tabletop - Day 2

Posted by Hill and Griffith Company on Oct 2, 2019 9:49:32 AM

Day 2 of the Die Casting Congress events

We are looking forward to seeing you at the 2019 Die Casting Congress & Tabletop held October 1-3, 2019, at the Huntington Convention Center of Cleveland in Cleveland, Ohio. This event will include three days of Congress sessions. 


Ryan Canfield, Angela Cox and the rest of Hill and Griffith's sales team are ready to answer your die casting questions.

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, NADCA Education

NADCA Die Casting Facts

Posted by Hill and Griffith Company on Sep 25, 2019 4:18:49 PM

NADCA shares some common facts about the Die Casting Industry

Die casting is a versatile process for producing engineered metal parts by forcing molten metal under high pressure into reusable steel molds. These molds, called dies, can be designed to produce complex shapes with a high degree of accuracy and repeatability. Parts can be sharply defined, with smooth or textured surfaces, and are suitable for a wide variety of attractive and serviceable finishes.

Die castings are among the highest volume, mass-produced items manufactured by the metalworking industry, and they can be found in thousands of consumer, commercial and industrial products. Die cast parts are important components of products ranging from automobiles to toys. Parts can be as simple as a sink faucet or as complex as a connector housing.

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, NADCA Education

NADCA Die Casting Awards Past and Future

Posted by Hill and Griffith Company on Sep 11, 2019 5:48:35 PM

NADCA annual Die Casting Awards will be announced at the NADCA Die Casting Congress & Tabletop October 1-3

We are looking forward to seeing some of the most complex and high quality die castings the industry has to offer at the NADCA's Die Casting Congress & Tabletop October 1-3 in Cleveland, OH. Over the past 45 years, NADCA showcased some of the best and most talented die casting companies who have contributed to the advancement of the die casting industry. The best castings involve not only the die casting product but the design and engineering. 

NADCA 2018 Zinc Die Casting Decorative Finish Winner - Wilkast

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, NADCA Education

Guide to Die Casting Release Agents - NADCA Book

Posted by Hill and Griffith Company on Aug 28, 2019 11:30:02 AM

NADCA offers its book outlining the specifics of die casting release agents and their application

This is a comprehensive textbook for die casting engineers. This book describes the purposes of die release agents and their characteristics. The purposes addressed include: protecting the tooling; releasing the casting; thermal control of tooling; and, lubrication of moving die components. Characteristics such as wettability and the Leidenfrost Effect are covered. Next, dilution, application strategies and common application hardware is presented. This document is an informative and practical guide for die casting practitioners and those responsible for selecting die release agents, solving die casting quality problems, and reducing costs and cycle time.

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, NADCA Education

5 Steps to Identify Casting Defects

Posted by Hill and Griffith Company on Aug 21, 2019 2:38:22 PM

Excerpt from the article in Global Casting magazine's September 2018 issue

The procedure of identifying, diagnosing and minimizing or eliminating crucial casting defects is important for a foundry to run in a low-cost, and high-efficiency mode. It can disprove incorrect conventional wisdom and show that unexpected methods are actually the best way to move forward. To do this, there are three keys to remember:

1. Focus on identifying a casting defect on the basis of its appearance.

2. Be aware of the interactive nature of foundry processes and variables.

3. Use rigorous experimental design methods to study complex causes of defects.

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, Global Casting Magazine

Die Casting Defects - Causes and Solutions - NADCA Book

Posted by Hill and Griffith Company on Aug 14, 2019 2:54:18 PM

NADCA offers its book outlining the causes of die casting defects and how to prevent them

This is a comprehensive textbook for die casting engineers. This revised version of the defects causes and solutions book has been completely reviewed and revised by world renowned die cast experts William G. Walkington and Dr. Morris Murray. The book includes much more detail on the cures needed to reduce and/or eliminate the defects that plague all die casters. Dr. Murray discusses each defect, in depth, and provides thoughtful solutions to try to help mitigate the problems.

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Tags: Die Casting, Die Casting Plunger Lubricants, Die Casting Lubricants, Die Casting Defects, NADCA, NADCA Education

Video-High Integrity Die Casting: The market, Applications and Commercial Aspects

Posted by Hill and Griffith Company on Aug 8, 2019 3:19:45 PM

NADCA Video News & Information

The material presented in this video include highlights from NADCA’s online webinar - High Integrity Die Casting: The Market, Applications and Commercial Aspects of High Integrity Die Casting. In this webinar the rapidly growing market for high integrity die castings is presented and applications in the various market segments are discussed. The main growth sector is automotive, where there are increased car body applications like shock towers. This is not the only market segment where structural high integrity die castings are increasingly used. We can find structural high integrity die castings more in motorcycles, recreational vehicles and also boats.

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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, NADCA Video Highlight

Article Excerpt: Improving Surface Finishing of Die Castings

Posted by Hill and Griffith Company on Jul 31, 2019 3:07:59 PM

Upfront Collaboration Between Casting Supplier and End User Can Improve Post-Casting Processing, from Finishing to Painting

by Joe Miller, Chicago White Metal Casting Inc., Bensenville, Illinois

A plastic bumper joining this two-part case conceals all parting lines, thus avoiding any edge polishing.

In the die casting process, metal molds—or dies—are preheated and coated with a die release agent prior to the injection of molten metal that is forced into the die under extreme pressure (usually from 10,000 to 15,000 psi). But once they are ejected from the die, most parts have a journey ahead of them before arriving at the shipping department.


The large majority of die castings require specific coatings and finishes, polishing and/or painting. These processes are necessary to meet cosmetic/decorative appearance requirements, enhance wear resistance and/or provide a protective barrier against corrosion. Read the entire article here, on the MetalCastingDesign.com site.

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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Metal Casting Design & Purchasing

Article Review: Better Interaction - Key to Better Die Casting

Posted by Hill and Griffith Company on Jul 24, 2019 8:00:00 AM

The various factors from the plunger tip, plunger gap, shot sleeve, temperature and other factors are important to get right to avoid scrap.

In this article, Paul Robbins, with Castool Tooling System, identifies multiple methods to improving die casting processes of injecting molten alloy to the die cavity.


(Illustration provided by the Hill and Griffith Company)

Factors to consider
The best opportunities for improvement is found in the delivery of the alloy to the die. Both the shot sleeve and the plunger offer opportunities for improvement. Read the entire article here, on the Castool.com site.

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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Engineer

 


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