Abstract
The article considers alternative schemes of profile milling of long non-technological workpieces – of the peripheral segments, formed during longitudinal opening of logs. Peripheral segments are a large waste of manufacture and contain the wood fibres with high physics-mechanical and operational properties. Therefore manufacturing qualitative wood products from peripheral segments is especially actual problem. However, the named workpieces are characterised by low adaptability to manufacture, therefore working out and the analysis of the machining schemes, expelling a resonance in technological system are necessary. The non-resonance machining scheme is used in a design of the milling machine tool PFP-100 for profile milling of a large wood waste.
Highlights
Great demand in the world market is used for wood mouldings [1], the cross section of which is convex and concave curvilinear contours
A special scientific and economic interest is the technology of manufacturing molded products from large sawmilling waste-peripheral segments S1, S2 (Fig. 1, a), formed as a result of longitudinal cutting of logs
Sophisticated complex machine systems [7] that provide a comprehensive cutting of logs are used abroad
Summary
Great demand in the world market is used for wood mouldings (block house, lining, euro lining, platbands, etc.) [1], the cross section of which is convex and concave curvilinear contours. The purpose of this study is to develop a profile milling scheme for non-technological large sawmilling wastes characterized by relatively small elastic movements of the workpiece under the action of the workload, a slight vibration speed of the elastic recovery of the wood, and less severe impacts of the cutting teeth of the cutter on the workpiece surface.
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