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Andy Marin

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What's the Difference in Gas and Shrinkage Porosity?

Posted by Andy Marin on Fri, Jan 12, 2018 @ 08:57 AM

The definition of porosity is any void or hole in a casting. But this definition does not describe or give direction on the root cause of porosity. Casting porosity can be caused by gas formation or solidification shrinkage while the metal is a liquid.  If a casting needs to be pressure tight, then the porosity can allow gas and fluids to seep from the part.  In addition, the porosity can weaken the casting. In this blog, we will discuss the difference between gas and shrink porosity, and the best solution to seal porosity.

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Case Study: Quality Conditions Demand Impregnation Equipment

Posted by Andy Marin on Thu, Dec 14, 2017 @ 03:40 PM

Schabmüller Automobiltechnik is a leading engineering, machining, and sub-assembly supplier to major automotive OEMs and Tier 1 suppliers.  Founded in 1978, the company’s headquarters is in Großmehring Germany, and employs 850 people in four locations. 

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Eliminating the 7 Wastes with Lean Manufacturing

Posted by Andy Marin on Mon, Dec 11, 2017 @ 02:22 PM

The most effective way to improve profits is to reduce costs. This means to remove waste from the process. Not only does waste affect profits, but it also affects delivery, quality and customer satisfaction. The 7 wastes in lean manufacturing are what Godfrey & Wing's vacuum impregnation equipment eliminates from the casting production process.

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Case Study: Eliminating Shrink Porosity in Lost Foam Castings

Posted by Andy Marin on Thu, Dec 07, 2017 @ 10:03 AM

Manufacturing castings with the lost foam process enables the foundry to produce castings with many benefits and features not available in other casting processes. This casting process is advantageous for very complex castings that would regularly require cores.  It is also dimensionally accurate, maintains an excellent surface finish, requires no draft, and has not parting lines so no flash is formed.


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Why Use Recoverable Sealants?

Posted by Andy Marin on Tue, Nov 28, 2017 @ 10:50 AM

When it comes to choosing a vacuum impregnation sealant, there are two options: recoverable or recyclable. This blog defines these  options, and explains some of the benefits of choosing Godfrey & Wing sealants.

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5 Reasons Why Companies Bring Vacuum Impregnation Equipment In House

Posted by Andy Marin on Thu, Nov 16, 2017 @ 12:03 PM

Recent decades have seen an increase in the use of lightweight, high-performance aluminum castings in car manufacturing. Aluminum helps reduce the car's weight, increase gas mileage, and improve acceleration, braking and handling.


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Case Study: Vacuum Impregnation Enables Continuous Production

Posted by Andy Marin on Wed, Nov 15, 2017 @ 10:03 AM

The Albert Handtmann Metallgusswerk GmbH is the largest lightweight (aluminum) foundry in Germany. The family-owned company has continually endeavored to improve its casting and machining processes to benefit its customers worldwide.

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3 Reasons to Impregnate Powder Metal Components

Posted by Andy Marin on Fri, Oct 20, 2017 @ 12:12 PM

Powder metal components have an excessive amount of porosity due to the inherent method used in manufacturing. Vacuum impregnation is the preferred solution to seal powder metal porosity. There are three main reasons why powder metal parts are sealed through vacuum impregnation. 

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Motor Controls Manufacturer Installs Impregnation System for In-House Production

Posted by Andy Marin on Mon, Oct 02, 2017 @ 08:47 AM

Foundry Management & Technology recently wrote an article about a Godfrey & Wing HVLV vacuum impregnation system that was installed at SEW-Eurodrive. You can read the entire article below.

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Article: Vacuum Impregnation Enables Lightweight Material Use

Posted by Andy Marin on Thu, Sep 21, 2017 @ 08:53 AM

Godfrey & Wing has published an article in LightWeighting World titled "Vacuum Impregnation Enables Lightweight Material Use". This article discusses the surge in aluminum use and how vacuum impregnation eliminates aluminum casting porosity. You can read the entire article below.

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