Virtual machining

Not to be confused with Virtual machine.

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Short description: Computers simulating and modeling use of machine tools for part manufacturing

Virtual machining is the practice of using computers to simulate and model the use of machine tools for part manufacturing. Such activity replicates the behavior and errors of a real environment in virtual reality systems.[1] This can provide useful ways to manufacture products without physical testing on the shop floor. As a result, time and cost of part production can be decreased.[2]

## Contents

* 1 Applications
* 2 Future research works
* 3 References
* 4 External links

## Applications

Virtual machining provides various benefits:

* Simulated machining process in virtual environments reveals errors without wasting materials, damaging machine tools, or putting workers at risk.[3]
* A computer simulation helps improve accuracy in the produced part.[2]
* Virtual inspection systems such as surface finish, surface metrology, and waviness can be applied to the simulated parts in virtual environments to increase accuracy.[4]
* Systems can augment process planning of machining operations with regards to the desired tolerances of part designing.[5]
* Virtual machining system can be used in process planning of machining operations by considering the most suitable steps of machining operations with regard to the time and cost of part manufacturing.[6]
* Optimization techniques can be applied to the simulated machining process to increase efficiency of parts production.[7]
* Finite element method (FEM) can be applied to the simulated machining process in virtual environments to analyze stress and strain of the machine tool, workpiece and cutting tool.[8]
* Accuracy of mathematical error modeling in prediction of machined surfaces can be analyzed by using the virtual machining systems.[9]
* Machining operations of flexible materials can be analyzed in virtual environments to increase accuracy of part manufacturing.[10]
* Vibrations of machine tools as well as possibility of chatter along cutting tool paths in machining operations can be analyzed by using simulated machining operations in virtual environments.[11]
* Time and cost of accurate production can be decreased by applying rules of production process management to the simulated manufacturing process in the virtual environment.[12]
* Feed rate scheduling systems based on virtual machining can also be presented to increase accuracy as well as efficiency of part manufacturing.[13]
* Material removal rate in machining operations of complex surfaces can be simulated in virtual environments for analysis and optimization.[14]
* Efficiency of part manufacturing can be improved by analyzing and optimizing production methods.[15]
* Errors in actual machined parts can be simulated in virtual environments for analysis and compensation.[2]
* Simulated machining centers in virtual environments can be connected by the network and Internet for remote analysis and modification.[16]
* Elements and structures of machine tools such as spindle, rotation axis, moving axes, ball screw, numerical control unit, electric motors (step motor and servomotor), bed and et al. can be simulated in virtual environments so they can be analyzed and modified. As a result, optimized versions of machine tool elements can boost levels of technology in part manufacturing.[17]
* Geometry of cutting tools can be analyzed and modified as a result of simulated cutting forces in virtual environments. Thus, machining time as well as surface roughness can be minimized and tool life can be maximized due to decreasing cutting forces by modified geometries of cutting tools. Also, the modified versions of cutting tool geometries with regards to minimizing cutting forces can decrease cost of cutting tools by presenting a wider range of acceptable materials for cutting tools such as high-speed steel, carbon tool steels, cemented carbide, ceramic, cermet and et al.[18]
* The generated heat in engagement areas of cutting tool and workpiece can be simulated, analyzed, and decreased. Tool life can be maximized as a result of decreasing generated heat in engagement areas of cutting tool and workpiece.[19]
* Machining strategies can be analyzed and modified in virtual environments in terms of collision detection processes.[20]
* 3D vision of machining operations with errors of actual machined parts and tool deflection error in virtual environments can help designers as well as machining strategists to analyze and modify the process of part production.[21]
* Virtual machining can augment the experience and training of novice machine tool operators in a virtual machining training system.[22]
* To increase added value in processes of part production, energy consumption of machine tools can be simulated and analyzed in virtual environments by presenting an efficient energy use machine tool.[23]
* Machining strategies of freeform surfaces can be analyzed and optimized in virtual environments to increase accuracy of part manufacturing.[14]

## Future research works

Some suggestions for the future studies in virtual machining systems are presented as:

* Machining operations of new alloy can be simulated in virtual environments for study. As a result, deformation, surface properties and residue stress of new alloy can be analyzed and modified.
* New material of cutting tool can be simulated and analyzed in virtual environments. Thus, tool deflection error of new cutting tools along machining paths can be studied without the need of actual machining operations.
* Deformation and deflections of large workpieces can be simulated and analyzed in virtual environments.
* Machining operations of expensive materials such as gold as well as superalloys can be simulated in virtual environments to predict real machining conditions without the need of shop floor testing.

## References

1. ↑ Soori, Mohsen; Arezoo, Behrooz; Habibi, Mohsen (2013). "Dimensional and geometrical errors of three-axis CNC milling machines in a virtual machining system". Computer-Aided Design 45 (11): 1306–1313. doi:10.1016/j.cad.2013.06.002. https://zenodo.org/record/47469.
2. ↑ 2.0 2.1 2.2 Soori, Mohsen; Arezoo, Behrooz; Habibi, Mohsen (2014). "Virtual machining considering dimensional, geometrical and tool deflection errors in three-axis CNC milling machines". Journal of Manufacturing Systems 33 (4): 498–507. doi:10.1016/j.jmsy.2014.04.007. https://zenodo.org/record/47470.
3. ↑ Altintas, Y.; Brecher, C.; Weck, M.; Witt, S. (2005). "Virtual Machine Tool". Cirp Annals 54 (2): 115–138. doi:10.1016/S0007-8506(07)60022-5.
4. ↑ Cheung, C.F.; Lee, W.B. (2001). "A framework of a virtual machining and inspection system for diamond turning of precision optics". Journal of Materials Processing Technology 119 (1–3): 27–40. doi:10.1016/S0924-0136(01)00893-7.
5. ↑ Ong, T.S.; Hinds, B.K. (2003). "The application of tool deflection knowledge in process planning to meet geometric tolerances". International Journal of Machine Tools and Manufacture 43 (7): 731–737. doi:10.1016/S0890-6955(03)00027-0.
6. ↑ Narita, Hirohisa; Shirase, Keiichi; Wakamatsu, Hidefumi; Arai, Eiji (2000). "Pre-Process Evaluation of End Milling Operation Using Virtual Machining Simulator". JSME International Journal Series C 43 (2): 492–497. doi:10.1299/jsmec.43.492. Bibcode: 2000JSMEC..43..492N.
7. ↑ Soori, Mohsen; Arezoo, Behrooz; Habibi, Mohsen (2016). "Tool Deflection Error of Three-Axis Computer Numerical Control Milling Machines, Monitoring and Minimizing by a Virtual Machining System". Journal of Manufacturing Science and Engineering 138 (8): 081005. doi:10.1115/1.4032393.
8. ↑ Tani, Giovanni; Bedini, Raffaele; Fortunato, Alessandro; Mantega, Claudio (2007). "Dynamic Hybrid Modeling of the Vertical Z Axis in a High-Speed Machining Center: Towards Virtual Machining". Journal of Manufacturing Science and Engineering 129 (4): 780. doi:10.1115/1.2738097.
9. ↑ Soori, Mohsen; Arezoo, Behrooz; Habibi, Mohsen (2017). "Accuracy analysis of tool deflection error modelling in prediction of milled surfaces by a virtual machining system". International Journal of Computer Applications in Technology 55 (4): 308. doi:10.1504/IJCAT.2017.086015.
10. ↑ Ratchev, S.; Liu, S.; Becker, A.A. (2005). "Error compensation strategy in milling flexible thin-wall parts". Journal of Materials Processing Technology 162-163: 673–681. doi:10.1016/j.jmatprotec.2005.02.192.
11. ↑ Li, Hongqi; Shin, Yung C. (2009). "Integration of thermo-dynamic spindle and machining simulation models for a digital machining system". The International Journal of Advanced Manufacturing Technology 40 (7–8): 648–661. doi:10.1007/s00170-008-1394-8.
12. ↑ Fletcher, Craig; Ritchie, James; Lim, Theo; Sung, Raymond (2013). "The development of an integrated haptic VR machining environment for the automatic generation of process plans". Computers in Industry 64 (8): 1045–1060. doi:10.1016/j.compind.2013.07.005.
13. ↑ Erkorkmaz, Kaan; Yeung, Chi-Ho; Altintas, Yusuf (2006). "Virtual CNC system. Part II. High speed contouring application". International Journal of Machine Tools and Manufacture 46 (10): 1124–1138. doi:10.1016/j.ijmachtools.2005.08.001.
14. ↑ 14.0 14.1 Merdol, S. Doruk; Altintas, Yusuf (2008). "Virtual cutting and optimization of three-axis milling processes". International Journal of Machine Tools and Manufacture 48 (10): 1063–1071. doi:10.1016/j.ijmachtools.2008.03.004.
15. ↑ Palanisamy, P.; Rajendran, I.; Shanmugasundaram, S. (2007). "Optimization of machining parameters using genetic algorithm and experimental validation for end-milling operations". The International Journal of Advanced Manufacturing Technology 32 (7–8): 644–655. doi:10.1007/s00170-005-0384-3.
16. ↑ Abdul Kadir, Aini; Xu, Xun; Hämmerle, Enrico (2011). "Virtual machine tools and virtual machining—A technological review". Robotics and Computer-Integrated Manufacturing 27 (3): 494–508. doi:10.1016/j.rcim.2010.10.003.
17. ↑ Altintas, Y.; Kersting, P.; Biermann, D.; Budak, E.; Denkena, B.; Lazoglu, I. (2014). "Virtual process systems for part machining operations". Cirp Annals 63 (2): 585–605. doi:10.1016/j.cirp.2014.05.007.
18. ↑ "MACHpro: THE VIRTUAL MACHINING SYSTEM". Manufacturing Automation Laboratories. https://www.malinc.com/products/machpro/.
19. ↑ Abukhshim, N.A.; Mativenga, P.T.; Sheikh, M.A. (2006). "Heat generation and temperature prediction in metal cutting: A review and implications for high speed machining". International Journal of Machine Tools and Manufacture 46 (7–8): 782–800. doi:10.1016/j.ijmachtools.2005.07.024.
20. ↑ Karabagli, Bilal; Simon, Thierry; Orteu, Jean-José (2016). "A new chain-processing-based computer vision system for automatic checking of machining set-up application for machine tools safety". The International Journal of Advanced Manufacturing Technology 82 (9–12): 1547–1568. doi:10.1007/s00170-015-7438-y. https://hal.archives-ouvertes.fr/hal-01350995/file/article_JAMT2016.pdf.
21. ↑ Altintas, Yusuf (2016). "Virtual High Performance Machining". Procedia Cirp 46: 372–378. doi:10.1016/j.procir.2016.04.154.
22. ↑ Zhang, J.; Ong, S.K.; Nee, A.Y.C. (2012). "Design and Development of an in situ Machining Simulation System Using Augmented Reality Technology". Procedia Cirp 3: 185–190. doi:10.1016/j.procir.2012.07.033.
23. ↑ Pelliccia, Luigi; Klimant, Philipp; Schumann, Marco; Pürzel, Franziska; Wittstock, Volker; Putz, Matthias (2016). "Energy Visualization Techniques for Machine Tools in Virtual Reality". Procedia Cirp 41: 329–333. doi:10.1016/j.procir.2015.10.013.

## External links

* Virtual Machining, Automation World
* AMGM Institute, Virtual Machining
* MACHpro: THE VIRTUAL MACHINING SYSTEM
* The Virtual Machine Shop
* The 5th International Conference on Virtual Machining Process Technology (VMPT 2016)
* Eureka Virtual Machining
* SIMNC Products Overview, Virtual Machining

* v
* t
* e

Virtualization software

Comparison of platform virtualization software

Hardware
virtualization
(hypervisors)|

| Native|

* Adeos
* CP/CMS
* Hyper-V
* KVM
* Red Hat Enterprise Virtualization
* LDoms / Oracle VM Server for SPARC
* Logical Partition (LPAR)
* LynxSecure
* PikeOS
* Proxmox VE
* SIMMON
* VMware ESXi
* VMware vSphere
* vCloud
* VMware Infrastructure
* Xen
* Oracle VM Server for x86
* XenServer
* XtratuM
* z/VM

|

Hosted|

| Specialized|

* Basilisk II
* bhyve
* Bochs
* Cooperative Linux
* DOSBox
* DOSEMU
* PCem
* PikeOS
* SheepShaver
* SIMH
* Windows on Windows
* Virtual DOS machine
* Win4Lin

|

Independent|

* Microsoft Virtual Server
* Parallels Workstation
* Parallels Desktop for Mac
* Parallels Server for Mac
* PearPC
* QEMU
* VirtualBox
* Virtual Iron
* VMware Fusion
* VMware Player
* VMware Server
* VMware Workstation
* Windows Virtual PC

Tools|

* Ganeti
* oVirt
* System Center Virtual Machine Manager
* Virtual Machine Manager

OS-level
virtualization|

| Full stack|

* Container Linux
* Docker
* iCore Virtual Accounts
* Linux-VServer
* Turbo
* Virtuozzo

|

Backends|

* chroot
* cgroups
* FreeBSD jail
* Linux namespaces
* lmctfy
* LXC
* OpenVZ
* seccomp
* vkernel
* Solaris Containers
* Workload Partitions

Orchestration|

* Amazon ECS
* Kubernetes
* OpenShift

Desktop
virtualization|

* Citrix XenApp
* Citrix XenDesktop
* Remote Desktop Services
* VMware Horizon View
* Ulteo Open Virtual Desktop

Application
virtualization|

* Ceedo
* Citrix XenApp
* Dalvik
* InstallFree
* Microsoft App-V
* Remote Desktop Services
* Symantec Workspace Virtualization
* Turbo
* VMware ThinApp
* ZeroVM

Network
virtualization|

* Distributed Overlay Virtual Ethernet (DOVE)
* NVGRE
* Open vSwitch
* Virtual security switch
* Virtual Extensible LAN (VXLAN)

See also: List of emulators

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