Orthogonal axis device with linear motors for positioning and bo

Details Orthogonal axis device with linear motors for positioning and bo Orthogonal axis device with linear motors for positioning and bo

1988-03-17

1989-06-13

Jordan, M.

Metal fusion bonding

With means to juxtapose and bond plural workpieces

Wire lead bonder

B23K 120

Patent

active

048384720

ABSTRACT:
A device for positioning and processing workpieces, in particular for bonding wires onto electronic components, with movement along two orthogonal X-Y axes on which there lie two non-superposed components of the processing machine, the first component, positioned along an X-axis, comprising means for supporting and clamping a workpiece while operating thereon, whereas the second component, positioned along a Y-axis, carries an operating head. Said means for clamping and supporting the workpiece also form the workpiece feed mechanism and are rigid partly with the first component and partly with a mobile member forming part of said first component. Said mobile member carries a coil forming the armature of a linear motor, the stator of which, rigid with the external structure of said first component, comprises permanent magnets positioned to the side of the coil. Said mobile member is supported pneumatically by stationary pneumostatic shoes. A position sensor is also provided for controlling the moving parts, the sensor allowing bonding to be programmed for execution at different pitches on components of different dimensions, and at different points.

REFERENCES:
patent: 3960309 (1976-06-01), Hazel
patent: 3973713 (1976-08-01), Furuya et al.
patent: 4437603 (1984-03-01), Kobayashi et al.
patent: 4516673 (1985-05-01), Kashihara et al.
patent: 4583676 (1986-04-01), Pena
patent: 4610387 (1986-09-01), Scavino

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