Manufacturers and the bevel-gear industry will benefit significantly from Industry 5.0, although it is still in its infancy; nonetheless, the ideas behind Industry 5.0 could be necessary for the industry as a whole.
FREMONT, CA: Bevel-gear manufacturers have been lucky in the present, as has been the case with previous industrial revolutions. Due to the high-tech nature of the manufactured components, many sensors required for IoT and CPS technologies were already present on various contemporary machines. Several bevel-gear manufacturing machines included onboard computers capable of more than the interpolation methods required of conventional CNC machines before Industry 4.0. Consequently, in addition to the previously outlined principles of the revolution, many Industry 4.0 concepts have been uniquely extended.
The digital twin is a Sector 4.0 concept that the bevel-gear industry has readily adopted. A digital twin represents the current state of a physical system and is used for autonomous decision-making. The status of the manufactured part is a crucial component of the digital twin in the manufacturing process. Since the geometry of a gear is well-defined throughout the manufacturing process, its theoretical state may be compared with its actual condition at all points, allowing an autonomous model to alter plans or preserve the original production procedure as necessary. Digital-twin models also aid in more accurate noise and stress analysis, two areas that have recently become particularly important to the automobile industry.
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Some businesses have advanced the application of CPS, IoT, and digital twin technologies to the next level by developing closed-loop manufacturing (CLM). Spiral bevel and hypoid gears are notorious for their difficult-to-generate complicated shapes.
The tooth profile of such gear is cut in either a single-indexing or continuous form, then heat-treated, ground or lapped, and finally inspected, depending on the cutting method. If required and feasible, remedial production procedures are implemented. Gears that have been ground offer a greater level of control, allowing for the application of corrective procedures. In 1985, Gleason Works and Zeiss introduced the initial CLM model. The Gleason Works would generate and distribute tooth surface data to users. Using the Gleeson Automated Gear Evaluation (G-AGE) software, this ideal data would be compared to actual measurement data. At the time of the initial release, corrections would still need to be keyed in manually. The adoption of Industry 4.0 technology enabled machines to transmit necessary adjustments without human intervention, bringing a previously rejected component within acceptable tolerances. The G-AGE closed loop manufacturing model.
Although updating the latest and greatest technology may be too expensive for many bevel-gear manufacturers, this is especially true for small and medium-sized enterprises (SMEs) who frequently work on contracts for the automotive and aerospace industries. As a result, there has also been an emphasis on adapting machinery from the third industrial revolution to Industry 4.0 capabilities. Retrofitting sensors are one of the various methods being investigated to upgrade existing factories and provide small and medium-sized enterprises (SMEs) with a means of adapting to the future without investing in a new machine.
The installation of manufacturing expert system software has also resulted in significant progress. This software oversees the design, fabrication, heat treatment, finishing, and testing of bevel gears. To accomplish this, The Gleason Works introduced the G-LAB manufacturing system in 1995. This system also incorporated various innovative technologies, including the capacity to predict and repair heat-treatment-induced warpage. This resulted in a decrease in grinding time and part waste. However, the G-LAB system was released before the widespread adoption of computer network technology in industrial facilities. In 2005, the G-LAB system was terminated due to a lack of infrastructure. However, adopting IoT has made the requisite technologies accessible and affordable for many OEMs and SMEs. Gleason Works just announced the new Gleason Expert Manufacturing system (GEMS). This novel software solution combines gear design and optimization with network connections to manufacturing machines and CMMs to establish automated production correction loops.
Numerous modern industrial facilities have adopted a cellular layout to facilitate lean production. In this configuration, a facility consists of multiple "cells" that are specialized to do a certain task. As cells can be specialized for pinion and gear operations, inspection, and finishing, bevel-gear manufacture is ideally suited to this method. Additionally, cellular facilities lend themselves nicely to automation and Kanban-style production boards. The use of these innovative manufacturing strategies has aided in the enhancement of facility productivity.
Due to its numerous technological innovations, the bevel-gear sector was decades ahead. Today, countless new advances are continuously being made. As can be shown, the bevel-gear sector has not only benefited from Industry 4.0 technologies but has also frequently driven their development.
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