Cummins ranks first with excellent social responsibility performance and corporate management

"Newsweek"'s annual green ranking is one of the world's most highly recognized corporate environmental rankings. It ranks the world's largest listed companies in terms of environmental performance according to their global environmental influence. The 2017 Green Rankings selection is based on six principles: transparency and fairness, objective neutrality, data disclosure, inclusiveness, participation, and input by all parties. Based on sales revenue as of December 31, 2016, the National Rankings conducted a sustainable performance evaluation of 500 largest listed companies based in the United States. The rankings consider factors such as energy applications, greenhouse gas emissions, water use, waste production, and recycling. Cummins stood out among the U.S. companies in the machinery industry, was awarded the Best Company, and ranked 25th in the National Green List of U.S. companies.

Cummins' corporate social responsibility construction focuses on three major areas of education support, equal opportunities and environmental protection. “At Cummins, our mission requires us to use our strengths and strive to forge ahead, drive the world forward, and realize our lives in the United States,” said Brian Mormino, Director of Global Environmental Strategy and Compliance at Cummins. “This requires a dynamic and healthy approach. Living environment. For Cummins, innovation is our responsibility to the environment and our satisfaction with our customers' needs."

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On December 12th, 2017, Forbes and Just Capital released the Top 100 Lists of Corporate Citizens in the United States. The listed companies are the largest listed companies in the United States and have been voted the most important by the American public in many fields. Business. The key indicators for the 2017 selection include employee benefits, customer treatment, environmental impact, employment opportunities, transparency, fairness, and others. Cummins ranks 45th with superb strength.

Cummins ranked 94th in the list of founding management top 250 published by The Wall Street Journal. Different from other selections, this ranking does not represent the strength of a company by a single indicator such as profit or productivity. Instead, it adopts an overall evaluation strategy. Based on the rankings of Drucker Institute of Claremont University, the Wall Street Journal is satisfied with customers. Degree, employee engagement and development, innovation, social responsibility and financial strength are all considered in five aspects. Cummins scored four stars (out of five stars) in employee engagement, development, and social responsibility.

"Gravity Die Casting. A permanent mould casting process, where the molten metal is poured from a vessle of ladle into the mould, and cavity fills with no force other than gravity, in a similar manner to the production of sand castings, although filling cn be controlled by tilting the die."

Gravity Die Casting

Sometimes referred to as Permanent Mould, GDC is a repeatable casting process used for non-ferrous alloy parts, typically aluminium, Zinc and Copper Base alloys.

The process differs from HPDC in that Gravity- rather than high pressure- is used to fill the mould with the liquid alloy.

GDC is suited to medium to high volumes products and typically parts are of a heavier sections than HPDC, but thinner sections than sand casting.

There are three key stages in the process.

1. The heated mould [Die or Tool] is coated with a die release agent. The release agent spray also has a secondary function in that it aids cooling of the mould face after the previous part has been removed from the die.
2. Molten metal is poured into channels in the tool to allow the material to fill all the extremities of the mould cavity. The metal is either hand poured using steel ladles or dosed using mechanical methods. Typically, there is a mould [down sprue" that allows the alloy to enter the mould cavity from the lower part of the die, reducing the formation of turbulence and subsequent porosity and inclusions in the finished part.
3. Once the part has cooled sufficiently, the die is opened, either manually or utilising mechanical methods.

Advantages

• Good dimensional accuracy
• Smoother cast surface finish than sand casting
• Improved mechanical properties compared to sand casting
• Thinner walls can be cast compared to sand casting
• Reverse draft internal pockets and forms can be cast in using preformed sand core inserts
• Steel pins and inserts can be cast in to the part
• Faster production times compared to other processes.
• Once the tolling is proven, the product quality is very repeatable.
• Outsourced Tooling setup costs can be lower than sand casting.

Gravity Casting Parts

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