Browse Prior Art Database

Dual Leader Block Opening Wedge Support

IP.com Disclosure Number: IPCOM000043146D
Original Publication Date: 1984-Jul-01
Included in the Prior Art Database: 2005-Feb-04
Document File: 2 page(s) / 36K

Publishing Venue

IBM

Related People

Duffy, DD: AUTHOR [+4]

Abstract

The thin wall section of the cartridge at the leader block opening is collapses inwardly during ultrasonic bonding due to the force exerted by the bonding head. The Tape Cartridge Assembly Machine is a dual-fixture synchronous index machine in which two cartridges are bonded simultaneously, requiring the this collapsing be prevented on a pair of cartridges rather than just one, thereby increasing the problem due to the tolerance variation between parts to be bonded. The Dual Leader Block Opening Wedge Support consists of a pair of commonly housed and actuated, spring-isolated wedges 10. The wedge principle is applied so that the collapsing section cannot back-drive the mechanism. Due to space restrictions, the mechanism is arranged, as shown in the figure, maintaining a low profile and clearing surrounding tooling.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 77% of the total text.

Page 1 of 2

Dual Leader Block Opening Wedge Support

The thin wall section of the cartridge at the leader block opening is collapses inwardly during ultrasonic bonding due to the force exerted by the bonding head. The Tape Cartridge Assembly Machine is a dual-fixture synchronous index machine in which two cartridges are bonded simultaneously, requiring the this collapsing be prevented on a pair of cartridges rather than just one, thereby increasing the problem due to the tolerance variation between parts to be bonded. The Dual Leader Block Opening Wedge Support consists of a pair of commonly housed and actuated, spring-isolated wedges 10.

The wedge principle is applied so that the collapsing section cannot back-drive the mechanism. Due to space restrictions, the mechanism is arranged, as shown in the figure, maintaining a low profile and clearing surrounding tooling. The figure shows the mechanism in the fully actuated position, ready for bonding. In operation, with the wedge support mechanism raised out of the way (motion not shown on the figure), the two unbonded cartridges 12 move into the ultrasonic bond station. With the wedges 10 in retracted position, the mechanism is lowered into position. The actuator 14 extends the wedges. The wedges 10 extend until they encounter the cartridge 12, at which point the springs 16 independently take up any overtravel of the actuator 14. Total travel of the actuator 14 can be varied by means of adjustable stops 18. The cartridges are ul...