New Milling Development Benchmarks From ISCAR
While milling is driven by the increasing demands of manufacturing, there are specific aspects that uniquely impact its advancement, Andrei Petrilin, ISCAR’s Senior Technical Manager explains.
In 2022, thyssenkrupp Gerlach is expected to start production on a Farina forging press from Schuler. Internal assembly for the 16,000-ton line – one of the largest mechanical machines in the world – has been completed in Suello, Italy, and after the test run the components with a total weight of 1,700 tons will make their way to the customer’s forging plant in Homburg, Germany.
The Farina GLF series presses cover forces from 750 to 16,000 tons. They feature a novel direct drive concept without connecting rods. Thus, the design engineers at Schuler and Farina succeeded in reducing the machine height compared to conventional presses. One result of the optimisation for hot forging is, among other things, a very high deformation reduction and thus a significantly reduced flash thickness on forging parts.
Farina had already supplied a 4,000-ton forging press to thyssenkrupp in 2008. Schuler had acquired the Italian press manufacturer based in Suello, the leading European supplier of forging lines in the mid-price segment, in 2018.
“This order shows that we have successfully completed our product portfolio with this acquisition,” said Schuler general manager Frank Klingemann.
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In the middle of the Corona pandemic, Schuler has installed two forging lines in China, one of which has already been handed over and the other is about to be. This was made possible not least by remote maintenance and virtual commissioning, which allowed all functions to be simulated in advance on the computer and adapted to the customer’s needs. The screw press and the crank press forge aluminum chassis parts fully automatically. Schuler supplied the lines including the dies and furnaces.forging line
The production data of both lines can optionally be accessed via the “mySchuler” portal from anywhere and at any time. The “Production Monitor” displays the operating status and the current stroke rate. The “Press Force Monitor” provides information about the load on the machine and die, “Drive Analytics” enables operators to monitor the main drives and “Cooling Analytics” allows them to monitor the cooling circuits. “Lubrication Analytics” makes it possible to control the lubrication circuit including lubrication cycles, system pressure or oil temperature depending on the stroke rate. In this way, possible deviations can be detected at an early stage and quickly remedied.
Screw presses from Schuler feature a press force of between 250 and 28,000 tons. The water-cooled servo direct drive transmits the torque of the motor without losses and offers a high level of robustness, precision, operational reliability, and economy. The 750 to 16,000 ton crank presses are particularly suitable for mass production. Depending on the specific requirements, the press frame as well as the drive system is designed for high manufacturing precision and high production rates.
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The global forging market is expected to register a compound annual growth rate (CAGR) of 4.4 percent between 2017 and 2025 to reach US$96.4 billion by the end of the forecast period, according to a new report by Transparency Market Research.
Mainly driving this growth is the rising application in multiple industries such as construction, wind, aerospace, automotive, and power generation, to name a few. Further driving the growth of the forging market are the high demand for ferrous metals and high-strength metal components, along with cost-effective methods of metal forming. Moreover, use of novel and advanced technologies by key market players is expected to provide a significant push and expand the global forging market.
There are a few challenges seen to deter the growth of the forging market, however. Factors such as the volatile nature of several end-use industries and the expensive high-quality forged steel products are projected to hamper growth in this market. The uncertain partnership between material producers and forging units is also estimated to obstruct growth in this market, so do the increasing environmental concerns, high demand for plastics as a substitute, and growing usage of stamping and casting process. Still, the rapid pace of industrialisation that boosted various industries in emerging economies might help in overcoming these challenges.
Asia Pacific will remain the largest market with impressive growth due to the rapid increase of construction and automotive industries in the region. Furthermore, the huge number of global players in the region also contributes to its growth.
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It features a feed system controlled by two ball screw spindles, each with a servo drive for variable control. The machine is driven by an 11-kilowatt frequency-controlled motor. Its cutting range is 560 mm and the smallest cutting dimension is 25 by 25 mm. The sawing unit has a heavy, torsionally rigid welded structure with vibration-optimised ribbing.
The essence of profitable automated sawing comprises two elements: high cutting performance and short downtimes.
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