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Die Casting News

NADCA - Die Casting Operator Training Webinar Series

Posted by Hill and Griffith Company on Feb 20, 2019 3:12:39 PM

The die casting industry depends on the skill of the machine operator for efficient production of high-quality products.

The effective machine operator understands the basic function of the process, the proper care of the die casting machine, die setup, recognition and control of basic casting defects, and the procedures that ensure his/her personal safety.



The North American Die Casting Association has created an eleven part webinar series geared towards educating operators on the do's and don'ts of running a die casting machine. Signing up for all eleven parts of this series will also grant you access to these courses through the NADCA Online Education System, which allows you to view the recordings, pdf's and support material for a full year.

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Tags: Die Casting, Metal Casting, Die Casting Plunger Lubricants, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, NADCA

Die Casting - Surface and Gas Porosity Defects

Posted by Hill and Griffith Company on Feb 13, 2019 10:57:59 AM

NADCA EC-515 Die Casting Defects Course Review, Basics for controlling die casting defects - By Dr. Steve Midson

Gas porosity is the biggest single problem in die casting. High gas content prevents heat treating or welding and makes strength unpredictable.

  • There are three major sources of gas porosity for die castings: Trapped air, Steam, Gas from lubricant
  • Gas porosity is round and generally smooth, although it can be flattened to some extent by pressure
  • The actions to reduce gas porosity, in general, are not the same as the actions for reducing shrink porosity
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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, NADCA

Die Temperature And Surface Die Casting Defects

Posted by Hill and Griffith Company on Dec 5, 2018 3:41:43 PM

NADCA EC-515 Die Casting Defects Course Review, Basics for controlling die casting defects - By Dr. Steve Midson

The die temperature’s effect on surface defects and the die temperature operating window will be discussed next

  • A low die temperature affects surface defects by cooling the fluid metal stream and increasing the percent of solidified metal in the metal stream
  • If the percent of solidified metal is high, then it becomes stiff and solid and does not knit together well; And the flow forms "wrinkles", or cold flow
  • A cold die can be compensated for by having a shorter fill time - this means a higher plunger speed
  • In other words, we can exchange plunger speed for die temperature.
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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects

High Integrity Die Casting: Melting, Melt Treatment, and Transfer - NADCA Video Highlight

Posted by Hill and Griffith Company on Nov 28, 2018 11:12:43 AM

Highlights from NADCA’s online webinar

High Integrity Die Casting Melting, Melt Treatment, and Transfer

The material presented in this video are some highlights from NADCA’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.

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

Our Ten Most Popular Die Casting Lubricant News Posts

Posted by Hill and Griffith Company on Oct 4, 2017 9:17:45 PM

The following are our ten most popular news posts about die casting lubricants. Enjoy!

#1 2016 Die Casting Award Competition Winners

#2 Global Die Casting Release Agent Market - Trends, and Forecasts

#3 Gas Porosity And Surface Die Casting Defects

#4 Die Casting Machine Safety

 

#5 High Pressure Die Casting Release Agent Spray Manifold

#6 Is 2017 The Year for 5S - Die Casting Process Improvement?

#7 CONCOTE™ Permanent Mold Coatings

#8 Die Casting Surface Defect Prevention - NADCA Course highlights

#9 Pushing for Larger-Dimension Diecastings

#10 NADCA Die Casting Soldering Mitigation Video Offered

 


Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant, offer die casting technical support and recommend release agents, lubricants, plunger lubricants and permanent mold lubricants that suit your needs. Products that represent the latest in technology and ongoing research that enhance competitiveness and increase productivity. 

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Tags: Die Casting, Metal Casting, Die Casting Plunger Lubricants, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant, Die Casting Technical Support

It's Not Your Father's Die Lube Anymore

Posted by Hill and Griffith Company on Sep 27, 2017 8:38:41 PM

Introduction

In recent years, die cast lubricants have changed greatly! Die casters who have been around long enough will remember "traditional oil-based die lube products" (1). Subsequent generations have seen a conversion to "water-based prod­ucts" and in some limited applications a "dry powder."

With every generation, a better, faster, different prod­uct has been developed by the various manufacturers of die lubricants. The good news is that all of these manufacturers and universities have dedicated a great deal of time, money and effort into the pursuit of better products.

For the benefit of this discussion, the informa­tion contained will review advances in technology without reviewing the "traditional oil-based products" or the "dry powder" products. The discussion will review advances that have occurred in the "water-based technology". The "water-based technology" appears to be the predominately used product for applications where the die lubricant contributes to the external cooling of a die (2) Water has proven to be a great benefit to the characteristics of die coolant (3,4). Therefore, it is not necessary to review that aspect of die lubricant technology, as significant work has been completed at universities (such as Ohio State) and various manufacturers.

Die Casting Engineer Magazine, November 2003
Victor S. Lafay, Vice President Research and Technical Development
Stephen L. Neltner, Manager Product Development
Hill & Griffith Company
Cincinnati, Ohio

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Tags: Die Casting, Metal Casting, Die Casting Plunger Lubricants, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant, Die Casting Technical Support

News from Sales & Operations - Die Casting Technical Support

Posted by Hill and Griffith Company on Sep 19, 2017 2:26:19 PM

New Technical Representatives and Mike Lawry's appointment to Vice President of Sales and Operations


Dear customers and friends of The Hill and Griffith Company,

It's been a busy year here at The Hill and Griffith Company. We've had successful foundry and concrete industry shows and you'll find us this week at the North American Die Casting Association's Die Casting Congress & TabletopSeptember 18-20, 2017 in Atlanta, GA, Booth #225. If you get the chance, please stop by and meet these new employees.



I’m pleased to announce the hiring of Doug Schwall for the Northern Indiana territory for sales. Doug comes to us with 20+ years of machining, die casting and maintenance experience as a hands-on manager. His duties will include die casting, foundry, concrete and machining with an emphasis on new customers and growth to existing accounts in the area. Doug’s understanding of the area and key personnel will be a tremendous asset with growing this territory to its fullest potential. Doug’s contact info:  

Doug Schwall
The Hill and Griffith Company
Technical Representative
317-313-4059
dschwall@hillandgriffith.com

 



And I’m pleased to announce the hiring of Angela Cox for the Northern Illinois/Wisconsin territory for sales.  Angela comes to us with 15+ years of die casting, machining and industrial chemical sales experience. Angela’s contact info:

Angela Cox
The Hill and Griffith Company
Technical Representative
931-216-2026 Mobile
acox@hillandgriffith.com
 
 



Also, I’m pleased to announce the hiring of Rodney Schisler for the Southwest Ohio territory for sales. Rodney comes to us with 28 years of die casting and low-pressure casting experience as a hands-on manager. His duties will include die casting, foundry, concrete and machining with an emphasis on new customers and growth to existing accounts in the area.  Rodney’s past experiences will be a tremendous benefit with his process knowledge and will be utilized in other territories as needs arise. Rodney’s contact info:
 
Rodney Schisler
The Hill and Griffith Company
Technical Representative
513-503-3314
rschisler@hillandgriffith.com


One last thing, my new title is VP of Sales & Operation. After 26 years with The Hill and Griffith Company, I look forward to improving our sales and service even more in our core markets as well as new ones. My door is always open, so contact me at any time with any concern or a new idea to help make your job easier. My contact info:

Mike Lawry
The Hill and Griffith Company
VP of Sales & Operation
317-727-8276
mlawry@hillandgriffith.com

Sincerely,

Mike Lawry


Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant, offer die casting technical support and recommend release agents, lubricants, plunger lubricants and permanent mold lubricants that suit your needs. Products that represent the latest in technology and ongoing research that enhance competitiveness and increase productivity. 

Read More

Tags: Die Casting, Metal Casting, Die Casting Plunger Lubricants, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant, Die Casting Technical Support

Die Casting Plunger Lubricants & Porosity: How they interrelate

Posted by Hill and Griffith Company on Sep 13, 2017 3:52:41 PM

NADCA Congress Session Spotlight - Tim Cowell, Technical Director at The Hill and Griffith Company to present at the Die Casting Congress & Tabletop 

In the weeks leading up to the 2017 Die Casting Congress & Tabletop NADCA highlights information on papers that will be presented during the congress sessions. The following paper is scheduled to be presented on Wednesday, September 20: Computer Modeling II - 8:00-9:30 AM, Session Chair: Charles Monroe

Plunger Lubricants and Porosity: How they interrelate within the Die Casting Process
Timothy Cowell, Technical Director, Hill and Griffith Company

High Pressure Die Casting is a manufacturing process in which molten metal is injected, with a die casting machine using applied force and high pressure, into a steel die to form various products (castings). Within this process, there are large numbers of variables that need to be controlled to make an acceptable casting. If these variables are not controlled then defects within the castings (parts) occur making them unusable.
 
 
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Tags: Die Casting, Metal Casting, Die Casting Plunger Lubricants, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant

Kamtek's New Alabama Plant Offers High Tech Die Casting Jobs

Posted by Hill and Griffith Company on Sep 13, 2017 1:44:16 PM

Kamtek opens $60 million Birmingham expansion

Kamtek officially opened its $60 million aluminum casting plant today, bringing a new capability that is in high demand as the automotive industry seeks to make lighter cars while retaining strength and safety.

Kamtek, an operation of international automotive supplier giant Magna, added high-pressure vacuum die-casting to its existing stamping and assembly operations in Birmingham’s Pinson Valley. The nearly 150,000-square-foot plant will eventually employ more than 100 workers.

“It allows us to produce aluminum castings at a much faster and higher-quality rate,” said John Hackett, general manager of Kamtek’s Birmingham operations. “They help to lightweight the vehicles of the future to reach better fuel economy, but it also gives them a much safer vehicle and a stronger structure to the aluminum. Typically, what we’re making here will replace maybe an 11- or 12-piece component with one part.” Hackett pointed to one such recent automotive success due to the process. “If you look at the Cadillac CT6 released last year, it has 13 casting components all produced by Magna that replaced 35 previous components,” Hacket said. “It helped contribute to the 200-pound weight savings on the vehicle.” 

Alabama Gov. Kay Ivey toured Kamtek's new aluminum casting plant in Birmingham. (Michael Tomberlin / Alabama NewsCenter)

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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant, High Tech Die Casting Jobs

How to Reduce Die Casting Lubricant Build Up

Posted by Hill and Griffith Company on Sep 6, 2017 4:01:33 PM

NADCA EC-515 Die Casting Defects Course Review, Basics for controlling die casting defects - By Dr. Steve Midson

  • A die casting lubricant build up usually comes from lubricant that was not evaporated from the die
  • If it is darker in color, it is often referred to as carbon
  • Review the die temperatures with the die spray supplier to get the proper lubricant - keep ratio under control
  • Use of hard water in the die lubricant can sometimes cause build up
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Tags: Die Casting, Metal Casting, Aluminum Die Casting Process, Die Casting Release Agent, Die Casting Defects, Die Casting Lubricant

 


Hill and Griffith Customer Service

We're known for our hands-on approach. Let us visit your plant and recommend metalworking fluids that suit your needs. Products that represent the latest in technology and ongoing research that enhance competitiveness and increase productivity.

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Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy." Metalworking fluids, Die casting and squeeze casting lubricants, Casting operations products, Water glycol, Trim press lubricants, Surface protection for casting storage, Corrosion protection for die storage, Cleaners for machines and dies, Corrosion protection for machines, Heat treatment quenchants, and Heat-transfer fluids. Also, Industrial lubricants Griflube®, Hydraulic fluids with fire-resistant and anti-wear properties, Bio-Syn natural ester-based hydraulic fluid, and Way oil knuckle lubes.

Contact us for Product Samples

Hill and Griffith Customer Service

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On-site process surveys, Defect investigations, Product testing, Tooling start-ups and Statistical process controls and much more. Also, lab facilities are available to provide testing upon request.

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