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Die Casting News

Post Die Casting Operations - Resolving Adhesion Problems

Posted by Hill and Griffith Company on Nov 15, 2018 3:32:25 PM

Introduction

In the Die Casting Industry, many of the castings manufactured undergo secondary operations incorporating the use of paints, adhesives and other polymers such as RTV (Room Temperature Vulcanization).  The application of these types of materials requires the polymer to bond to the metal substrate (surface) of the casting.  When this bond fails, it is considered to be a die casting adhesion problem. For the die caster, this can be a very costly problem; therefore, it is imperative that it be solved quickly.

To gain a better understanding of the problem and its potential solution, the following points will be discussed. 

  1. What creates Adhesion?
  2. What prevents Adhesion?
  3. Assessing the Problem
  4. Solving the Problem
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Tags: Die Casting, Metal Casting, Die Casting Awards, Magnesium Die Casting, Die Casting Adhesion Solutions

Solving Hot Spot Die Casting Cracks, "If it's hot, cool it. If it's cold, warm it."

Posted by Hill and Griffith Company on Nov 7, 2018 3:36:38 PM

Some highlights from NADCA’s online webinar – Defects in Die Casting: Surface Defects and Other Problems.

 

This second course covers defects caused by such things as venting problems, surface defects such as “white surface” and die spray marking. It then goes into the two main types of cracking, leakers, flash and flaking/spalling during machining.

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Tags: Die Casting, Die Casting Process, Die Casting Process Evaluation, Die Casting Process Improvement, NADCA Video Highlight

Get a Handle on Die Casting Defects with NADCA

Posted by Hill and Griffith Company on Oct 31, 2018 9:49:40 AM

This series of courses is devoted to understanding and identifying the probable causes of defects in die castings.

And to determining and implementing solutions that minimize or eliminate the effects of the problem. Learn more at the North American Die Casting Association site.

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Tags: Die Casting, Die Casting Process, Die Casting Process Modeling, Die Casting Process Evaluation, Die Casting Process Improvement

Video News Update: NADCA Die Casting Product Specification Standards

Posted by Hill and Griffith Company on Oct 24, 2018 10:42:06 AM

Tooling information, alloy properties, tolerances, GD&T, design guidelines, quality assurance provisions and more.

 

The material presented in this video is intended as an update on features in NADCA's Product Specification Standards manual - PUB-402. This manual covers specification, design and production guidance for both users and manufacturers of conventional high pressure die castings.

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Tags: Die Casting, Die Casting Process, Die Casting Process Modeling, Die Casting Process Evaluation, Die Casting Process Improvement

Join The Hill and Griffith Company at Booth #512, NADCA Die Casting Congress & Exposition

Posted by Hill and Griffith Company on Oct 16, 2018 9:10:26 AM

Two more days of presentations and exhibits to attend and learn more about advancements in die casting technology.

The Hill and Griffith Company's booth 512 is near the center of the front hall. From left to right are Ron Schweyer, Tom Kennedy, Angela Cox, Tim Cowell and Mike Lawry. Doug Schwall was also at the show but visiting with customers.

Welcome to day two of the Die Casting Congress & Exposition!  There are some great papers being presented today and a lot of exhibitors for you to visit, so here's a little breakdown of the day's events.

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Tags: Die Casting, Die Casting Congress

Join Us at the NADCA Congress & Exposition October 15-17, 2018 Exhibit Booth #512

Posted by Hill and Griffith Company on Oct 13, 2018 9:47:33 PM

The Die Casting Congress & Exposition will be held October 15-17, 2018, at the Indiana Convention Center in Indianapolis, IN. 

Hope to see you there!

Warm Regards,

The Hill and Griffith Team

www.hillandgriffith.com

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Tags: Die Casting, Die Casting Congress

NADCA’s Die Casting Congress & Exposition Starts Monday! Stop by and visit Hill and Griffith's Booth 512.

Posted by Hill and Griffith Company on Oct 10, 2018 8:37:10 PM

The Die Casting Congress & Exposition will be held October 15-17, 2018, at the Indiana Convention Center in Indianapolis, IN.

This three day event will feature more than 200 exhibitors ready to highlight their latest and greatest products and technology. Over 30 Congress presentations will be given by experts from around the world on topics such as computer modeling, process engineering, advanced technology and additive manufacturing just to name a few. These presentations will expose metalcasters to the latest technology, ongoing research and successful management tools that will assist companies in enhancing their competitiveness.

“Great job NADCA, for hosting a tremendous event in Indy! By all accounts, this show was one of the best we’ve been involved with since participating. The quantity and quality of attendees and sessions were tremendous, and really generated great excitement and enthusiasm for the future of the die casting industry in the U.S. and around the world,” said one exhibitor about the most recent NADCA Expo. Doesn’t this sound like a show that you need to be a part of?

Winners of the International Die Casting Design Competition will be on display and honored as well as the Die Casting Industry Award winners.

Companies looking to send more than 5 attendees will receive a special discounted rate. For more information or to register* please click here.


Please stop by and visit the Hill and Griffith Company at Booth 512.

More Event Information 

All registrations must be picked up onsite during Registration Hours. No badges will be mailed.

Badge Pickup/Onsite Registration Hours (Wabash West Hallway):
Saturday, October 13: 3:00 p.m. – 5:00 p.m.
Sunday, October 14 - 8:00 a.m. - 5:00 p.m.
Monday, October 15 - 8:00 a.m. - 5:00 p.m.
Tuesday, October 16 - 8:00 a.m. - 5:00 p.m.
Wednesday, October 17 - 8:00 a.m. - 12:00 p.m.

Congress Hours:
Monday, October 15 - 8:00 a.m. - 5:15 p.m.
Tuesday, October 16 - 8:00 a.m. - 5:15 p.m.
Wednesday, October 17 - 8:00 a.m. - 5:15 p.m.

Exhibit Hours (Halls A&B):
Monday, October 15 - 10:00 a.m. - 5:00 p.m.
Tuesday, October 16 - 10:00 a.m. - 5:00 p.m.
Wednesday, October 17 - 10:00 a.m. - 5:00 p.m.

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Tags: Die Casting, Die Casting Congress

Kawasaki Robot Applying Die Casting Release Agent Video

Posted by Hill and Griffith Company on Oct 3, 2018 8:24:16 PM

Robotic machine tending can reduce machine overhead time.

Machine tending can be a simple, automated process of handling product to accommodate a machining process. However, reducing cycle time is crucial because tending a machine is not adding value to the product. Kawasaki is continually developing products to reduce cycle time and offer greater automation flexibility.

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Tags: Die Casting, Die Casting Release Agent Application

"Reducing Porosity in High Pressure Zinc Die Casting," Guest Post by Bruschi, Abbiategrasso, Italy

Posted by Hill and Griffith Company on Sep 26, 2018 1:53:42 PM

High pressure zinc die casting is the process of forcing molten zinc based alloy under high pressure into a mould cavity. This delicate process can be influenced by a series of factors like the mould geometry, the composition of the alloy and the injection process that forces the molten metal into the mould.

In this Bruschi blog post, we'll dive into the most common defects that can appear in high pressure zinc die casting and a possible way to avoid them.

• Gas porosity
• Shrinkage porosity
• Leaks
• Possible solutions

Porosity influences the quality of final product in terms of tightness and strength. The most common porosity types are gas porosity, shrinkage porosity and leaks.

(Image from a North American Die Casting Association promotion for an educational webinar.)

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Tags: Die Casting, Die Casting Process Control Theory, Die Casting Gas Porosity, Die Casting Lubricant Computer Simulation

NADCA Video News Highight: High Integrity Die Casting: Melting, Melt Treatment, and Transfer

Posted by Hill and Griffith Company on Sep 19, 2018 3:56:30 PM

The material presented in this video are some highlights from the North American Die Casting Association’s online webinar, "High Integrity Die Casting: Melting, Melt Treatment, and Transfer for High Integrity Die Casting."

In this webinar best practices of melting, melt treatment and transfer for aluminum high integrity die casting of structural components will be presented and discussed. Many oxide and other inclusions originate from inappropriate practices with the liquid aluminum before it is cast. They cause quality issues / high scrap rates and reduced properties. This webinar explains how to avoid them by using best practices like filtering, degassing, fluxing, skimming, settling, quiescent transfer, etc.

For information on purchasing a downloadable copy of this webinar in its entirety, please visit: http://www.diecasting.org/store/detail.aspx?id=WEB144

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Tags: Die Casting, Die Casting Process Control Theory, Aluminum melt treatment and transfer

 


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