CMW FOUNDRIES
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PROFILE
Y R S N D I r A e N m M r o E erf U R O F OUPiable p
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or over 40 years, CMW Foundries has focused and specialised in producing complex and technical sand castings for wear resistance applications either by the effect of abrasion, impact, high temperatures and/or corrosion. A modern Portuguese foundry group founded in 1981, CMW Foundries was initially called Cruz Martins & Wahl. It has three production plants, two near Porto and one near Lisbon. The group has become a key reference point for its castings in global markets, including shipbuilding, offshore, dredging, mining and quarrying, cement, valves, petrochemical, general engineering, power, and construction equipment. Its optimum capacity allows the manufacture and delivery of finished castings in a range of alloys – high chrome white irons, stainless and heat resistant steels, duplex and super duplex, Inconel, carbon steel and austenitic manganese steel. CMW produces high chrome, carbon/low alloy steel, austenitic manganese steel and heat resistant steel castings up to 8 tonnes, with stainless steel, super duplex, duplex and Inconel alloys up to 3.5 tonnes. The plants have a total of ten electric induction melting furnaces with capacities ranging from 850kg up to 6,000kg, and one electric arc furnace with a melting capacity of 6,000kg. The foundry features several moulding lines: two automatic systems, one George Fischer for green sand, an IMF for phenolic alkaline sand, two semi-automatic moulding systems for phenolic alkaline sand (for frames up to 4,000 x 2,000 mm) and two hand moulding lines without moulding size restrictions. 266
Inside Marine
Metallurgical laboratories, a pattern shop with CNC equipment, a machining shop with lathes up to 3.4m turning diameter, a grinding shop, heat treatment ovens with capacities up to 20,000 kg and different means of air, water and polymer quenching are also on site.
Growing sustainably Commercial Director Manuel Mendes said: “The group has been growing sustainably, investing in equipment, people and infrastructure to serve our markets and meet the demands for highquality standards. “We keep engineering, pattern-making, production, quality control and machining all under one roof. This creates an efficient process and short communication lines, reflecting our full commitment to ensuring high-quality products and on-time delivery.” Each plant has a pattern shop and quality control laboratories running. “We apply the most accurate methods to guarantee the quality of our castings, such as solidification simulation, fast prototyping, laser scanning control and non-destructive testing.” He added: “CMW has maintained a solid financial structure, allowing the company to preserve investments at levels that guarantee the good health of its production equipment and necessary upgrades to comply with environmental standards. All these have enabled us to be at the sector’s forefront, adopting the latest technology and best practices.” The €16.3 million-turnover company, which employs 210 people, experienced growth of around 15% in 2021. Over 90% of turnover
