The influences of the compounding ratio of sintered auxiliaries MoS₂ and FeMn on cutting resistance, plastic flow of sample surface, surface roughness, air permeability and wear of tool ware studied experimentally for the purpose of improving the surface characteristics of iron based sintered ring for spinning frame. The results obtained are as follows ;
(1) It has been confirmed that the machinability of iron based sintered alloy varies to a considerable extent depending on the compounding ratio of the sintered auxiliaries MoS₂ and FeMn and improves with an increase of MoS₂ because of the lubricating effect of it.
(2) It has been shown that because the cutting resistance diminishes with an increase of compounding ratio of MoS₂ basically, the layer subject to deformed layer on the surface of the sample gets thinner and the air permeability improves accordingly.
(3) The surface roughness regularly changes according to the compounding ratio of sintered auxilaries and also according to the amount of cutting. Especially with MoS₂ content of 67% or over, the surface roughness improves and remains unchanged even with an increase in the amniint of riittincr
(4) At MoS₂ content of 59% or under, the machinability drops. causing greater wear of the tool On the other hand, at MoS₂ content of 71.4% or over, occurrence of built-up was observed at the too of the component cutter.
(5) it nas Peen proved mat MoS₂ content of 6070% is desirable, by judging globally from air permeability.surface roughness and wear of tool.

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This paper describes a method of texture mapping using surface fitting for rendering the 3D fabric surface. In the applications of texture mapping to fabric surface model, it is necessary to know point-to-point correspondence between position (x, y, z) on 3D surface and the texture address (u, v). We got measured coordinate of fabric surface using an automatic 3D digitizer system for 3D modeling. Because shape modeled from measured coordinate is very complicated, it is difficult to find texture address on mapped object. These problem causes distortion of the mapped images and not suiting texture to 3D shape. After we marked grid lines on fabric surface to display texture address, we measured 3D deformation of this fabric. Resulting measuring, basic correspondence we gotten at intersection on grid lines. The computation of correspondence for texture mapping was performed in two stages. First, approximate correspondence was computed from basic correspondence using surface fitting. Next, for optimization, approximate correspondence was adjusted to complicated shape with distance of modeled surface. We could apply texture mapping to 3D fabric surface with optimum orrespondence which was gotten by this method. New method for texture mapping is able to apply to textile design system and fashion design system.

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In the previous paper, I reported the influence of the hem length and the mechanical properties of fabric on the form of flared skirts, especially on outward hem width. In this paper, I clarify the effect of hem length and the fabric properties on the hemline shape of flared skirt.
Hemline shape of the flared skirts is influenced by many factors : the shape of pattern, the mechanical properties of the fabric, the sewing conditions, the figure of the wearer, and so on. There are many reports concerning the relation between these factors and the hemline shape of flared skirts, but there is no report about the shape of hemline related both the hem length and the characteristics of various fabric in detail.
Therefore, I investigated the effect of the hem length and the fabric properties on Unit Shape of Flare (USF) which is mean figure defined from the picture of the flared skirts taken from the bottom . The experimental conditions were as follows ; (1) The skirt length is 50cm. (2) The concentric circle method is used for drafting the skirt's pattern. (3) Skirts are made by two gore panels.
The results were as follows ;
(1) Relation between the base length of USF and the height of USF can be clarified using the MODEL USF, and this relation was formulated.
(2) The above relation can be explained both the number of nodes and the distance from center of body to bottom of USF.
(3) The fitness of the numerical expressions about the these relation were confirmed by experiments using the other fabrics.

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