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0622020214 Datasheet(PDF) 7 Page - Molex Electronics Ltd. |
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0622020214 Datasheet(HTML) 7 Page - Molex Electronics Ltd. |
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7 / 28 page  GbX® Backplane and Daughtercard Tooling *GbX ® ® ® ® is a Trademark of Amphenol Corp. Doc. No: TM-622022099 Release Date: 06-23-04 UNCONTROLLED COPY Page 7 of 28 Revision: H Revision Date: 01-28-11 Figure 2-1 MAXIMUM CLEARANCE WHEN CONNECTOR FULLY SEATED .25mm (.010 in.) Max. Figure 2-2 TOOLING HOLDER M3 SET SCREW KEYWAY 2.1 Printed Circuit Board Support The GbX® tooling requires up to 10 lb. per pin of force to press the connectors into the printed circuit boards. Therefore, a backup or support is required to prevent damage to the P.C. board. The support fixture should have clearance for the connector terminals when they protrude through the underside of the P.C. board. It is also recommended that the support fixture have locating pins. Due to the custom nature of each application, Molex does not supply support and locating fixtures, the customer normally supplies them. The following is one simple way of making a P.C. board support and locating fixture: 1. Locate a suitable piece of material for the backup. It should be approximately 3/4 inch thick and same size or a little larger than the printed circuit board to be used. While aluminum could be used, a rigid nonconductive material such as a phenolic is preferred. (A stack of scrap P.C. boards of suitable size could be fastened together and used.) 2. Obtain a scrap P.C. board like the ones to be assembled. Attach this board to the material from step 1. 3. Using an oversize drill bit, drill through each hole where a pin from the connector will go. Drill deep enough into the lower material to be certain the pins do not bottom out when inserted (at least 5mm [0.20in] deep). 4. Locate two (2) holes on the P.C. board to use as locating points. Drill for and mount suitably sized dowel pins in these two locations on the support fixture. 5. Clear out the support for any components mounted on the underside of the printed circuit board. 6 Place a P.C. board on top of the support, located by the two pins, and check that the holes for the connector pins are aligned. 7. Pre-insert a connector in the P.C. board in the correct position. 8. Insert the press-in tool of proper size into the connector. 9. Place the support with the P.C. board under the press ram. 10. Press the connector into the P.C. board and observe for any deflection of the board when the ram is at the bottom of its stroke. 2.2 Press Stroke Adjustment Most presses have some means of adjusting the stroke; please refer to the appropriate manual (for the press being used) for press stroke adjustments. The stroke should be adjusted so that when the press ram stops in the down position, the bottom of the connector is flush to .25mm (.010 in.) above the surface of the P.C. board. See Figure 2-1. 2.3 Installation The only installation required is when you need to install insertion modules into a tooling holder. To do this, use the following procedure: 1. Along the lower edge of the tooling holder is a row of M3 set screws, (See Figure 2-2), back these out so that they do not protrude into the inside of the holder. 2. Slide the insertion modules into the tooling holder in the proper order. See Figure 2-3. The modules are keyed so that they cannot be put in backwards. |
Número de pieza similar - 0622020214 |
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Descripción similar - 0622020214 |
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