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Die Casting News

Review of Die Cast Plunger Lubrication System Patent

Posted by Hill and Griffith Company on Feb 22, 2017 2:11:49 PM

(This week's post is a review of a die casting plunger lubricant patent US 5076343 A in order to learn more about the application and technology.)

Die cast plunger lubrication system patent

ABSTRACT
A lubrication system for the plunger of a die cast machine is disclosed that does not require a timing mechanism or an additional pressure source for the lubricant. The forward stroke of a lube piston is used to force lubricant out of a lubrication chamber in the plunger through a passageway to the outer surface of the plunger by decreasing the volume of the lubrication chamber. A spring within the plunger's lubrication chamber is used to retract the piston and thereby increase the volume of the lubrication chamber. The relatively low pressure during this retraction stroke allows lubricant to flow from a lubricant tank into the lubrication chamber for distribution during the next forward stroke of the plunger.

 

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Tags: Die Casting, Die Casting Release Agents, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Die Casting Process Improvement, Die Casting Lubricants

Die Casting Lubricants

Posted by Hill and Griffith Company on Feb 16, 2017 9:35:35 AM

Cost Effective, Innovative and Environmentally Sound Non-ferrous Die Casting Products


Die Casting, Squeeze Casting & Permanent Mold Lubricant products that represent the latest in technology and ongoing research in die casting, squeeze casting and permanent mold-release techniques that will enhance your competitiveness. Our Die Casting Lubricants promote cleaner dies while increasing productivity. Custom blended die casting lubricants for your specific application include: Diluco™ 100 Series water-base, 300 Series for squeeze casting, Concote™ low pressure die casting or permanent mold coating and Plunger Lube™ water-based for cleaner and more efficient cooling.

 

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Tags: Die Casting, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, 2017 Die Casting Congress, Die Casting Process Improvement, Anodizing Die Castings Substrates, Die Casting Lubricants

Aluminum Characteristics by Alloy

Posted by Hill and Griffith Company on Feb 8, 2017 3:55:50 PM

(Today's post is a review of an article that was published in the Jul/Aug 2016 issue of METALCASTING DESIGN & PURCHASING. You can read the entire article "Aluminum Characteristics by Alloy" here.)

Inside the aluminum family, the various alloys exhibit marked and unique manufacturing characteristics that distinguish themselves. Generally, cast aluminum should be used for applications that require lower weight and structure without necessarily needing high strength at elevated temperatures. To help you choose the best fit, the following breaks down the castability, machinability, finishing tendencies, weldability and corrosion resistance of common alumi­num casting alloys (Table 1).

 

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Tags: Die Casting, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, 2017 Die Casting Congress, Die Casting Process Improvement, Anodizing Die Castings Substrates

The Science of Successfully Anodizing Die Castings Substrates

Posted by Hill and Griffith Company on Feb 1, 2017 2:46:46 PM

(Today's post is the Conclusion of an article, "The science of successfully anodizing die castings substrates," which is a review of several questions received by PRODUCTS FINISHING Magazine. It was published by www.aluminumtoday.com. You can download the full article here or use this link.)

Conclusion
There is no ‘trick’ to anodizing complex alloys; there are ways, grounded in scientific reason, to approach challenges. 

 

Fig 5a and 5b: Schematic of the walls of the anodic oxide at the junction of three anodic oxide cells. An entire cell is bracketed with pink dotted lines; the central pore appears gray with repulsive forces represented by a single sphere. The fcc aluminium structure is at the bottom of the schematic with the current bias represented by bold green arrows. The forming tetrahedral structure (5a and 5b) exhibits the primary oxidation reaction at the interface between the fcc and the electrolyte in the pore by the presence of oxygen atoms on the tetrahedral structure.

The schematic on the right (5b) shows non-aluminium ions (copper colored) diffusing from the fcc lattice, through the tetrahedral anodic oxide network, into the central pore where it will be carried into the electrolyte.

Note how the copper atoms ‘pile up’ at the fcc-tetrahedral interface. This is due to the structural/compositional mismatch between the aluminium and the anodic oxide

 

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Tags: Die Casting, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, 2017 Die Casting Congress, Die Casting Process Improvement, Anodizing Die Castings Substrates

Griflube Hydraulic Fluids

Posted by Hill and Griffith Company on Jan 25, 2017 2:59:20 PM

Specialty Industrial Lubricants

The Hill and Griffith Company offers Griflube Hydraulic Fluids that are biodegradable, fire-resistant and high-pressure hydraulic fluid under its new GRIFLUBE® line of specialty industrial lubricants engineered for precision hydraulic fluid applications. The new line of products includes the Aquatech FR 200 premium water glycol, the new biodegradable Bio-Syn fire resistant fluid, Gear Oil EP industrial gear lubricants, Premier AW (Anti-Wear) hydraulic and lubricating oils, Premier R&O hydraulic circulating oils and Slide-Way lubricants.

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Tags: Die Casting, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, 2017 Die Casting Congress, Die Casting Process Improvement

2017 Die Casting Congress & Tabletop

Posted by Hill and Griffith Company on Jan 18, 2017 5:07:31 PM

September 18-20, 2017, Atlanta, GA

 
The 2017 Die Casting Congress & Tabletop will be held September 18-20, 2017, at the Atlanta Convention Center at the Americasmart in Atlanta, GA. This event will include three days of Congress sessions. The Congress session schedule for 2017 is adjusted to create more time for those attending sessions to also attend the show exhibits. 
 
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Tags: Die Casting, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, 2017 Die Casting Congress, Die Casting Process Improvement

Solving and Resolving Die Casting Adhesion Problems

Posted by Hill and Griffith Company on Jan 12, 2017 5:33:20 PM

Tim Cowell, Technical Director, The Hill and Griffith Company
Published in DIE CASTING ENGINEER, official publication of the North American Die Casting Association

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 problems. 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, Die Casting Release Agents, Die Casting Adhesion Solutions, Mechanical Interlocking Adhesion, Die Casting Adhesion Prevention, Gravity Die Casting, High Pressure Die Casting, Die Casting Plunger Lubricants, Die Casting Supplies, Die Casting Release Agent Application, Magnesium Die Casting, Die Casting Process Improvement

Die Casting Foundry To Double Production Capacity

Posted by Samantha Farris on Jan 26, 2016 3:22:54 PM

World class foundry MRT Castings has launched an ambitious strategy to double its production capacity over the next three years. The die casting specialists – who offer complete end-to-end manufacturing solutions – are experiencing significant growth in their key niche markets.

                  

MRT Castings is experiencing significant growth in its key niche markets

Successful improvement activities are about taking common sense ideas from every level of the team and developing them to add value throughout the business.                  

Andover, Hampshire (PRWEB UK) 29 November 2013

World class foundry MRT Castings has launched an ambitious strategy to double its production capacity over the next three years.

The die casting specialists – who offer complete end-to-end manufacturing solutions – are experiencing significant growth in their key niche markets.

MRT is growing the workforce at its manufacturing facility in Andover, Hampshire to cater for new projects in the medical electronics, aerospace and defence sectors.

The company has also been investing in new capital equipment, including a new Colosio PF250 die casting cell with real-time shot control to ensure consistent high quality production.

Its facilities are also being enhanced by the addition of two further Brother S2DN-0 high speed machining centres in December.

Further growth in production will come by evolving the world class manufacturing practices already in action at MRT.

Managing Director Phil Rawnson has just returned from a fact-finding mission to Japan to study the latest techniques and see how lean manufacturing is applied in some of the most productive manufacturing facilities in the world.

He intends to “accelerate MRT’s lean journey” after touring production plants in Tokyo and Kyoto.

“Lean manufacturing has been a part of MRT’s processes for many years,” he said.

“My trip to Japan has provided an amazing insight into how the Japanese operate their leading production sites to world class standards by empowering staff, investing in technology and creating a culture of continuous improvement.

“Successful improvement activities are about taking those common sense ideas from every level of the team and developing them to add value throughout the business,” he added.

Evidence of these improvement activities is already apparent throughout the business.

MRT has optimised its set up routines so it can cast aluminium components in lower volumes more cost effectively than its competitors.

Quality is at the core of all of MRT’s activities with 100 per cent of production receiving cosmetic inspection prior to shipment. Dimensional control is ensured by two CNC co-ordinate measuring machines and advanced SPC.

Through this systematic quality control, waste can be reduced to deliver lean manufacturing – 5S techniques and visual management are also used throughout all production areas.

Mr Rawnson said: “Many of our customers are involved in the medical and electronics industries where their production areas are immaculate and highly organised. They rightly expect the same from us.”

Customers can also work alongside MRT’s engineers on the design of their products. This helps to cut out waste from the start, making production as lean as possible.

MRT offers established customers Kanban-triggered delivery systems to schedule lean and just-in-time production across all of the processes involved in high pressure casting, gravity die casting and CNC machining.

MRT Castings provides its customers with full turnkey manufacturing solutions including design, tooling, painting and plating.

The company can also assemble, store and ship customers’ products directly to their clients – a complete and seamless outsourced service.

MRT has also implemented a lean energy management system to save energy on the production floor by monitoring energy consumption on every production cell.

The company has set energy reduction targets as part of its ISO14001 accredited environmental management system.

For further details about die casting, please contact MRT Castings Sales Director Chris Rawnson on +44 (0)1264 324021.

 
MRT Castings Limited
South Way
Walworth Business Park
Andover
Hampshire
UK
SP10 5JT

Tel +44 (0)1264 324021
Fax +44 (0)1264 333773

Since its inception, MRT Castings has traded as a foundry in the UK, principally engaged in aluminium and zinc manufacture and gravity and high pressure die casting.

MRT is a privately owned family business that has continually invested in the latest technology and training to ensure it has one of the most highly skilled teams and the most advanced manufacturing facilities in the UK foundry industry.

MRT is a gravity and high pressure die casting company accredited to ISO9001:2008 and ISO14001:2004.

Thanks to PR Web.

If you like this article, learn more about Hill and Griffith's attendance at the Die Casting Congress Trade Show.

 

 

The Hill and Griffith Company is known for our hands on approach. Let us visit your plant and recommend foundry supply products that suit your needs.

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Tags: Die Casting, Metal Casting, Gravity Die Casting, High Pressure Die Casting, Foundry Supply, Foundry Supplies

 


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