Retaining a Slide,Cut-Off Die,Embossing Die
| Retaining a Slide |
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| A slide-lock in an injection mold can hold a slide in its outward position while the mold is open. This insures that the slide will be in position to engage the angle-pin when the mold is closed. In operation, the angle-pin moves the slide away from the molded part when the mold opens. The angle-pin disengages the slide when the slide-lock is in the capture-range (K=0.02“~0.03”). The slide-lock holds the slide in position while the mold is open. When the mold closes, the angle-pin overrides the slide-lock and moves the slide left to close the molding cavity. |
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| Cut-Off Die |
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| A slide-lock can prevent a sheet-metal part from sticking to the underside of the stripper after the part is cut off. In operation, this example shows that the slide-lock plunger being compressed between the sheet metal and the stripper during the down-stroke. On the up-stroke, the plunger pushes the sheet-metal downward preventing it from being held against the stripper by stamping-fluid surface tension. |
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| Embossing Die |
 | Slide-locks can lift a sheet-metal part after embossing. In operation, this example shows that the slide-lock plungers are compressed between the sheet metal and the die section during the down-stroke. On the up-stroke, the plungers lift the sheet metal out of the die section. |
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| Forming Die |
 | Slide-locks can eject a sheet-metal part after forming. In operation, the slide-lock plungers are compressed between the sheet metal and the pressure pad during the down-stroke. On the up-stroke, the plungers push the sheet-metal part off the forming punch. For best results, the slide-locks can be located near the formed edges as shown (near the outside edges of the forming punch). |
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| Notching Die |
 | Slide-locks in a progressive die can lift a sheet-metal strip after hole punching or edge notching. In operation, the slide-lock plungers are compressed between the sheet metal and the die section during the down-stroke. On the up-stroke, the plungers push the sheet-metal away from the matrix. If any burs extend downward from the sheet-metal into the matrix, lifting the part upward prevents the burs from interfering with the sheet-metal progression through the progressive die. |
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| Slide-Lock Pressure |
 | The locking force of a slide-lock depends on the compression of the plunger. Greater plunger compression provides greater latching force. This example shows a SLK-25A providing 25 pound of locking force when the latch compresses the plunger all-the-way. The same slide lock provides only 12.5 pounds of locking force when the latch slides higher above the holder and compresses the plunger only half-way. |
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| Punching Die |
 | Slide-locks can prevent a sheet-metal part from sticking to the underside of the stripper after punching. In operation, the slide-lock plungers are compressed between the sheet metal and the stripper during the down-stroke. On the up-stroke, the plungers push the sheet-metal downward away from the stripper preventing it from being held against the stripper by stamping-fluid surface tension and gravity. |
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