| 摘要 |
PCT No. PCT/SU86/00021 Sec. 371 Date Nov. 4, 1987 Sec. 102(e) Date Nov. 4, 1987 PCT Filed Mar. 6, 1986 PCT Pub. No. WO87/05245 PCT Pub. Date Sep. 11, 1987.A device for alignment of cylindrical workpieces for magnetic-discharge welding is provided with external and internal aligning sleeves (2,3) installed in an induction heater (1) coaxially and overlapping each other; the external aligning sleeve (2) is made of a non-polarizable dielectric material and features a ledge (4) on the outer surface thereof so that it can be locked by one of the aligning disks (5); the internal aligning sleeve (3) is made of a non-magnetic material having low conductivity and provided, on the inner surface thereof, with step-like shaped through slots (7) and, on the outer surface thereof, with a ledge (6) limiting the depth to which the sleeve (3) can be introduced into the external aligning sleeve (2); the internal aligning sleeve (3) is locked in relation to the induction heater (1) by means of a second aligning disk (10) contiguous to the ledge (6).
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