In this paper, thekinematicprinciple offace grinding processon lapping machines has been analyzed. By means of the concept of pitch point and pitch circles, the complicatedgrinding process...
Jan 01, 1999· The influence of the kine- matics on the part quality plays only a subordinate role during lapping. Due to theprocess development from lapping to grinding on lapping machines, the immense significance of the path types for the face grinding proc- ess has not been recognized earlier.
Sep 02, 2020· The studies on the kinematics of an interaction between a grinding wheel and a machined surface during flat face grinding have shown:Overlapping of scratches along the width occurs at a smaller depth, i.e. considerably earlier than along the length.
The kinematics of the relative movement of the grinding wheel and blank largelydetermines the formation of macro -and microgeometry of the surface during grindingand is the subject of separate ...
Jan 01, 2003· It was found that the kinematics of the grinding process have a significant influenceon the quality of the gener- ated surface. Investigations described in this paper prove that conventional face grinding based on fine grained grinding wheels allow to produce a surfaceroughness of up to Ra = 5nm.
Beside the process pressure pP the kinematical parameters, for instance the mean cutting speed or the kinematical factor K L, have a significant influence on the process efficiency or the achievable surface qualities on the machined workpieces. Therefore it is essential to acquire a fundamental process knowledge, especially to adapt double face grinding with planetary kinematics to workpiece materials, …
Oct 15, 2019· To machine workpieces such as sapphire wafers or ceramic sealing shims, double face grinding with planetary kinematics can be used instead of lapping. Substitution of the lapping process by double face grinding enables significantreduction of process time and production costs per a work part. In double face grinding workpieces are placed in externally teethed workpiece holders.
Doubleface grindingwith planetarykinematicsis aprocessto manufacture workpieces with plan parallel functional surfaces. Beside theprocesspressure pP the kinematical parameters, for instance the mean cutting speed or the kinematical factor K L, have a significantinfluenceon theprocessefficiency or the achievable surface qualities on the machined workpieces.
 E. Uhlmann, Th. Ardelt,Influence of kinematics on the face grinding process onlapping machines, Annals of the CIRP, Manufacturing Technology, Vol. 48, No. 1 (1999), pp.281-284. DOI: 10.1016/s0007-8506(07)63184-9
Grindingcomplex geometries on rotationally symmetrical tools in the growth market of small to the smallest diameter is the core capability of the HELITRONIC MICRO.High mechanicalprocessstability and sophisticatedkinematicswith five interpolation axes and two positioning axes ensure excellentgrindingresults in production or regrinding.
To machine high performance materials efficient andprocesssafe, innovative tool concepts are required.Double face grinding with planetary kinematicsis aprocess, which can be used to machine workpieces with high demands on flatness. Especially thekinematicof thisprocessleads to an unequal wear shaping, which has a negative effect on the quality of the workpieces.
For optimization purposes atdouble face grinding with planetary kinematics, an additional development of the tools is necessary. Designing requirement-oriented tools implies deep-processknowledge. Within researches at the Institute for Machine Tools and Factory Management, an analytical simulation model was developed. Including the chip thickness into the model, it will be possible to ...
The selection of agrinding processfor a particular application depends on part shape, part size, ease of fixture, requirements concerning the acceptable shape errors. It is evident that lapping is very effective in eliminating the waviness while surfacegrindingis not. Dual disk machines for the doubleface grindingwith planetarykinematics...
The micro- and macro-kinematicsperformed by the abrasives play a key role during thegrindingof brittle materials. The present work intends to evaluate theinfluenceof the abrasive ...
Thekinematic processas described is only suitable for straight toothfacegears orfacegears with very small spiral angles. Cutting andGrindingofFaceGears Soft cutting is conducted on standard PHOENIX bevel gear cutting machines based on a double summary.
Aug 02, 2013· For optimization purposes at doubleface grindingwith planetarykinematics, an additional development of the tools is necessary. Designing requirement-oriented tools implies deep-processknowledge. Within researches at the Institute for Machine Tools and Factory Management, an analytical simulation model was developed. Including the chip thickness into the model, it will be …
Uhimann E, Ardelt T, Spur G (1999)Influence of kinematics on the face grinding process onlapping machines. Ann CIRP 48(1):281–284. doi: 10.1016/S0007-8506(07)63184-9 CrossRef Google Scholar 23.
 Uhiman E, Ardelt T.Influence of kinematics on the face grinding process onlapping machines.  Wei Li, Xiaodong Hu and Yangfu Jin. Materials Science Forum Vol 532-533, 472-475, (2006).
A lot of factors varied in time lead to instability of thegrinding process. Besides, the method ofgrindinginfluences significantly the productivity and quality of processing. In this regard a creation of processes of intensive defect-freegrindingon the basis of new constructive and technology solutions represents the scientific problem which is of great importance.
 E. Uhimann, T. Ardelt, Influence of kinematics on the face grinding process on lapping machines, Annals of CIRP. 48 (1999) 281-285. DOI: 10.1016/s0007-8506(07)63184-9  M.D. Turco, Flat Lapping of Zirconia-toughened Alumina with Diamond Powders, University of Conecticut, (1995).
Kinematicanalysis and feedrate optimization in six-axis NC abrasive . Six-axis NC abrasive beltgrindingmachine tools have been widely used forKinematicanalysis and feedrate optimization play an important role in After analyzing the basickinematicrelation of the six-axis NC abrasive beltgrindingmachine tool, Sørby K (2007) Inversekinematicsof five-axis machines near singularget price
CylindricalgrindingCylindricalgrindingis theprocessofgrindingthe outside surfaces of a cylinder. These surfaces may be straight, tapered or contoured. Cylindricalgrindingoperations resemble lathe-turning operations. They replace the lathe when the workpiece is hardened or when extreme accuracy and superior finish are required.
The axial feed speed v aA can be adjusted according to the generating geargrinding processas the product of rotational speed n WstA and axial feed f a. Fig. 8:Influenceof the dynamometer on theprocessand theprocessresults. In the analogy trials the cutting force can be determined by a dynamometer that is integrated in the flux of forces.
generating grinding - Search ResultsArticles About generatinggrinding. Articles are sorted by RELEVANCE. Sort by Date.. 1 Efficient Hard Finishing of Asymmetric Tooth Profiles and Topological Modifications by GeneratingGrinding(August 2017). In order to improve load-carrying capacity and noise behavior, gears usually have profile and lead modifications.