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Adhesive bonding machine tools

UHMWPE powder compaction and sintering by either extrusion or compression moulding yields similar values in terms of the final mechanical properties of the polymer. The resultant moulded semi-forms can be easily shaped (cut, turned, sawed, milled, or punched) using standard machine tools. UHMWPE is difficult to bond using adhesives but parts can be joined effectively by butt welding or mechanical fasteners. [Pg.116]

There are few practical examples of bonded parts in machine tool structures. One of the few examples, PTFE (tetrafluoroethylene. Teflon) impregnated with brass particles, is bonded on saddles by epoxy adhesive to improve the friction and abrasion characteristics of slide ways. This is popular in normal NC (numerical control) machine tools. However, as improvement of the structural characteristics through application of adhesive bonding to machine tool structures is increasingly sought, the bonding application examples that follow are mainly those of research and development. [Pg.138]

To demonstrate the possibility of manufacturing machine tools with the new adhesive-bonded structure in addition to conventional structures of cast iron, welded steel plates and resin concrete, a vertical milling... [Pg.147]

Table 5.5 shows the accuracy before adjusting the assembly, and after adjustment and bonding. The rectangular accuracy after adjusting at assembly before inserting adhesive was completely unaltered 96 h after the insertion (56 h after curing). Stiffness, one of the most important characteristics for machine tools, was improved by about 20%... [Pg.150]

Sakata, O. and Usui, Y, Study on machine tools with adhesive bonding structure, report of Mechanical Engineering Laboratory, No. 132, 1985. [Pg.154]

In machine construction and instrument and tool manufacture, plain bearings, axle bearing guides, bushings, etc., are made by bonding, and punches are cemented into stamping tools with epoxy resins, cyanoacrylates, and acrylate adhesives. Screws, gear wheels, shafts, etc., are secured with anaerobic adhesives. [Pg.70]

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See also in sourсe #XX -- [ Pg.42 , Pg.44 ]



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