BACKGROUND AND PURPOSE Unicompartmental to total knee arthroplasty revision surgery can be technically demanding. Joint line restoration, rotation, and augmentations can cause difficulties. We describe a new technique in which single-way fitting guides serve to position the knee system cutting blocks. METHOD Preoperatively, images of the distal femur and proximal tibia are taken using CT scan...

In this paper, the dynamic behavior of a lightweight 5-axis milling concept is analyzed using finite element simulation. It has a pose-dependent dynamic behavior with structural Eigen modes between 28 Hz and 50 Hz. Based on these results, the stability lobe diagrams (SLD) for the milling module at different axis-positions are derived. The milling module shows a changing process stability with a...

Of things said without any combination, each signifies either substance or quantity or qualification or a relative or where or when or being-in-a-position or having or doing or being-affected. To give a rough idea, examples of substance are man, horse; of quantity: fourfoot, five-foot; of qualification: white, grammatical; of a relative: double, half, larger; of where: in the Lyceum, in the mar...

in order to help in the engineering design of rice harvesting machines, there is a need to have exact information concerning the physical and mechanical properties of rice stems. the cutting force for rice stems, therefore, was measured by designing and fabricating a static and dynamic shear test apparatus. the effects of moisture levels and the cross-sectional area of stem as well as the varie...

The Enchytraeida Oligochaeta Enchytraeus japonensis propagates asexually by spontaneous autotomy. Normally, each of the 5-10 fragments derived from a single worm regenerates a head anteriorly and a tail posteriorly. Occasionally, however, a head is formed posteriorly in addition to the normal anterior head, resulting in a bipolar worm. This phenomenon prompted us to conduct a series of experime...

The results of field research are presented in the article. parameters that affect position tool spindle machine determined. tasks concerning identification angular solved. issues influence cutting force radial component on elastic deformations and contact area considered.

In the laser cutting process some well-known parameters, e.g. laser power and cutting speed, play major roles in the performance of the process. Each parameter or a combination of parameters can affect the material removal volume and cutting volume efficiency. The purpose of this research is to study the effect of power and maximum cutting speed on the material removal rate (MRR) and cutting vo...

We introduce a notion of position-space cuts of eikonal diagrams, the set of diagrams appearing in the perturbative expansion of the correlator of a set of straight semi-infinite Wilson lines. The cuts are applied directly to the position-space representation of any such diagram and compute its imaginary part to the leading order in the dimensional regulator. Our cutting prescription thus defin...

An automated system was developed to acquire three-dimensional information from metallurgical and biological specimens. The system is based on consecutive precision machining and crosssectional image recording. In the system, face milling by a single crystal diamond tool is used for high precision machining, and an optical microscope is used for cross-sectional image recording. The system enabl...