B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
29/3
B23B 3/30 (2006.01) B23B 3/16 (2006.01) B23Q 39/04 (2006.01)
Patent
CA 1243193
ABSTRACT OF THE DISCLOSURE A two-spindle machine tool having a fixed first headstock (H1) with a main spindle (4) extending in a direction (Z) and with a chuck (C1) and two tool heads (T1, T2) with turrets (t1, t2) further has a movable second headstock (H2) with a main spindle (5) extend- ing in the direction (Z) and with a chuck (C2), the second headstock (H2) and the two tool heads (T1, T2) being supported on respective slide mechanisms (14, 23; 27, 30) which enable them to move in the direction (Z) and also in a direction (X) perpendicular thereto relative to the first headstock (H1), and which are so positioned as to enable the two headstocks (H1, H2) and two tool heads (T1, T2) to function in respective operational regions enabling machining tools held by the turrets to perform various modes of machining including independent but simultaneous machining of respective workpieces (W) held in the two chucks (C1, C2) and simultaneous or successive machining of a single workpiece held by either of the chucks.
478732
Kobayashi Takeo
Miyagawa Kazuo
Tsuchiya Keiro
Ushigoe Tomio
Yoshinaga Yoshitsugu
Kabushiki Kaisha Miyano Tekkosho
Riches Mckenzie & Herbert Llp
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