Abstract In the manufacturing industry, smart factory is considered final stage of Fourth Industrial Revolution. Manufacturing companies are pursuing breakthroughs by introducing various advanced technologies to ensure their competitiveness. However, it difficult for small and medium-sized enterprises (SMEs) adopt smart-factory technologies, owing financial technical burdens. This paper proposes a that can be applied technically strategically introduction SMEs. The concept an ‘appropriate...

Abstract A wide range of software and hardware components are present in today’s production systems plants using a variety interfaces data formats for information exchange on different levels the system. To increase traceability, lifecycle management providing single point source component-specific data, Digital Twin technology is proposed, linking sets tailored to requirements kind users (e.g., machines, technicians, logistics, manufacturing execution systems). The between entities network...

In this contribution, we present a novel approach to enable virtual commissioning for process developers in micro-optical assembly. Our aims at supporting micro-optics experts effectively develop assisted or fully automated assembly solutions without detailed prior experience programming while the same time enabling them easily implement their own libraries of expert schemes and algorithms handling optical components. Virtual is enabled by 3D simulation visualization system which...

Lab-on-a-Disc (LoaD) has great potential for applications in decentralised bioanalytical testing where speed and robustness are critical. Here, a disc-shaped microfluidic chip is rotated to pump liquid radially outwards; thus, all structures must be fitted into the available radial length. To overcome this limitation, several centripetal pumping technologies have been developed. In work, we combine buoyancy pumping, enabled by displacing aqueous samples reagents centripetally inwards dense...

Modern production systems rely heavily on data from the machines, processes and other sources. The amount resolution of increases continuously allowing complex models like Machine Learning to be trained applied in production. All analytics that implicitly require a suitable quality. Central level generation acquisition is machine where sensors are generated need aggregated. In this paper, we define Time Synchronization Problem arise different sources technical properties computerized...

Abstract. Today, the assembly of laser systems requires a large share manual operations due to its complexity regarding optimal alignment optics. Although feasibility automated optics has been shown in research labs, development effort for automation does not meet economic requirements – especially low-volume production. This paper presents model-based and sensor-integrated execution approach flexible cells consisting macro-positioner covering workspace compact micromanipulator with camera...

Predictive maintenance is a prominent and active field for applications of machine learning in industry recent years. The health wear equipment directly influences the productivity quality production process. Especially ultra-precision manufacturing, tool has major impact on achievable while itself cannot be measured in-process. In this paper we present learning-based classification in-process using acoustic emission sensors. To increase interpretability process – to open black box model...

A real-time, accurate, and reliable process monitoring is a basic crucial enabler of intelligent manufacturing operation digital twin applications. In this study, we represent novel vibration measurement method for workpiece during the milling using low-cost nanoparticle sensor. We directly printed sensor based on silver nanoparticles positioned onto polyimide substrate an aerodynamically-focused nanomaterials printing system, which direct technique inorganic flexible substrate. Since it...

Today's piezo-based micromanipulator technology allows for highly precise manipulation of optical components. A crucial question the quality assemblies is misalignment after curing. The challenge statistical deviations in curing process requires a sophisticated knowledge on relevant parameters. An approach to meet these requirements empirical analysis such as characterization shrinkage. Gaining about adhesive bonding advances related production steps like beam-shaping optics, mounting...

The assembly of optical components for laser systems is proprietary knowledge and typically done by well-trained personnel in clean room environment as it has major impact on the overall performance. Rising numbers drives production to industrial-level automation solutions allowing high volumes simultaneously ensuring stable quality, lots variants low cost. Therefore, an easy programmable, expandable reconfigurable machine with intuitive flexible software process configuration required. With...

The industrial assembly processes for fast axis collimation (FAC) lenses with high power laser diodes are continuously being improved and automated. system requirements allow various solutions the attachment process of micro-optic component, standard active relative to light emitting laser-diode facet joining by a UV-curable glue at positions outside beam-path. To facilitate higher degrees freedom optimize results in tighter tolerances some critical functions, FAC mounted on tab is one...

In science and industry, the alignment of beam-shaping optics is usually a manual procedure. Many industrial applications utilizing optical systems require more scalable production solutions therefore effort has been invested in research regarding automation assembly. previous works, authors other researchers have proven feasibility automated such as collimation lenses or homogenization optics. Nevertheless, planning efforts well additional knowledge from fields control required for...

In many applications for high-power diode lasers, the production of beam-shaping and homogenizing optical systems experience rising volumes dynamical market demands. The automation assembly processes on flexible reconfigurable machines can contribute to a more responsive scalable production. paper presents mounting device designed challenging side-tab based systems. It provides design elements precisely referencing fixating two in well-defined geometric relation. Side tabs are presented...

High Power Diode Laser (HPDL) systems with short focal length fast-axis collimators (FAC) require submicron assembly precision. Conventional FAC-Lens processes adhesive gaps of 50 microns or more in order to compensate for component tolerances (e.g. deviation back length) and previous steps. In control volumetric shrinkage fast-curing UV-adhesives compensation is mandatory. The novel approach described this paper aims minimize the impact due gap between HPDL edge emitters FAC-Lens. Firstly,...

In this paper, we present hybrid assembly technology to maximize coupling efficiency for spatially combined laser systems. High quality components, such as center-turned focusing units, well suitable strategies are necessary obtain highest possible output ratios. Alignment challenging tasks due their complexity and sensitivity. Especially in low-volume production fully automated systems economically at a disadvantage, operator experience is often expensive. However reproducibility of...

The assembly of micro-optical components is a delicate task. As the production numbers rise automation becomes interesting for processes which are nowadays carried out manually. For automated micro-optics small sized and fragile need to be handled on smallest surfaces, aligned in submicron precision bonded with minimal impact alignment through curing process. This paper describes Fraunhofer IPT's approach implementations fully providing industrial level process stability highest yields....

Depending on the application, high-power diode lasers (HPDL) have individual requirements their beam-shaping as well mechanical fixation. In order to reduce assembly efforts, laser system manufacturers request pre-assembled systems consisting of a support structure for adhesive bonding one, two or more lenses. Therefore, micro-optics HPDL need flexible solutions assembling subassemblies. This paper discusses current mounting optical subassemblies and drawbacks regarding quality scalability....

The assembly process of optical components consists two phases – the alignment and bonding phase. Precision - or better repeatability is limited by latter one. limitation precision given measurement equipment manipulation technology applied. Today's micromanipulators in combination with beam imaging setups allow for an range far below 100nm. However, once precisely aligned optics need to be fixed their position. State o f art laser systems adhesive UV-curing adhesives. Adhesive a...

Although thermal effects are detrimental to machining accuracy, the industry still uses warm-up procedures that significantly lower productivity or energy-consuming conditioning and air conditioning. On other hand, most of research has focused until now on measuring variation significant error components building phenomenological models with respect structural temperatures. Collecting these data is however inherent time-consuming optimal location algorithms high measurement uncertainty. The...

The thermo-elastic machine tool error, which is one of the main error sources in a tool, can be modeled and corrected using control. In past, models to do so have been parametrized precise measurement equipment like lasertracers. However, these lasertracers cannot used measure during cooling lubricant usage, necessary for most industrial applications. Therefore, this paper presents method on how behavior Integral Deformation Sensors compute center point displacement coolant usage based white...