To Assemble Ejector Guide Bushings and Pins
Download 21_To Assemble Ejector Guide Bushings and Pins to start from with this chapter.
Set up the Ejector Guide Pattern
  1. Open the Mold Base Definition dialog box.
  2. Click Image Top to switch to the top view.
  3. Double–click the Ejector Guide MH either in the top view or in the summary tree.
    The Ejector Guide MH dialog box opens.
  4. Enter Quantity 2 in both X direction.
  5. Enter Quantity 1 in both Y direction.
  6. Enter a value of 280 in X direction.
  7. Click Recalculate Image to update the instances.
    Image
  8. Close the Ejector Guide MH dialog box with OK.
Add Ejector Guide Bushings
  1. Click Image Front to switch to the side view.
  2. Click with right-mouse button on the Ejector Base Plate either in the side view or in the summary tree. Click Image Add guide ▶ Image Ejector Guide Bush.
    The Guides dialog box opens.
    The TUTOR_MH subassembly is already preselected .
  3. Set the DM2 value to 24.
  4. Set the LG1 value to 22.
  5. Set the LG2 value to 17.
     Note
    In the summary tree all plate thicknesses are shown. This helps you to choose the right sizes for your components.
  6. Make sure that the Option Toggle Direction is enabled.
    This option specifies whether the bush shoulder is located in the ejector base plate or the ejector retainer plate.
  7. Close the Guides dialog box with OK and answer the message box with OK.
    The ejector guide bushes are assembled to the mold base assembly.
    Image
  8. Close the Mold Base Definition with Close.
Remove Cutouts from Ejector Core Pin
  1. Open the part TUTOR_EJFIX_PLATE_MH_001.PRT.
  2. Delete the group GUIDE_STRAIGHT_HOLE
    Image
     Note
    All cutout UDFs created with Creo Expert Moldbase Extension can be deleted with default Creo Parametric functionality if required.
Add Ejector Guide Bush with Circlip to the Core pin Plate
  1. Open the TUTOR_MH subassembly.
  2. Select EMX Components ▶ Components ▶ Image Guide Component.
    The Guides dialog box opens.
  3. Select TUTOR_MH as target subassembly from the subassembly pull down list.
  4. Select E1110_ from the types pull down list.
  5. Set the DM1 value to 30.
  6. Set the DM2 value to 24.
  7. Set the LG value to 22.
  8. As the first assembly reference (1) Axis|Point select the datum axis EJP_GUIDE from the pattern inside the TUTOR_SKELETON.PRT Model.
  9. As the second assembly reference (2) Surface select the bottom side of the core pin plate.
    Image
  10. Enable the option One Plate.
    A different UDF Images appears in the cut out section. Circlip and shoulder cutouts are added to the same plate.
  11. Switch to the Options tab and check the option Pattern for all instances to create a guide component for each axis inside the pattern.
  12. Close the Guide dialog box with OK.
    The guide bushed and the according cutouts for the core pin plate are assembled to the moving half assembly.
  13. Close the TUTOR_MH.ASM and switch back to the main assembly.
    Image
     Note
    When placing the combination of leader pins and guide bushes, you must always place the bush first. If you start with the leader pins, this would create the smaller cutouts. Then the required bush cutouts would miss as the plates to be cut can not be identified.
Add Ejector guide Pins
  1. Open the Mold Base Definition dialog box.
  2. Click with right-mouse button on the Clamping Plate MH either in the side view or in the summary tree. Click Image Add guide ▶ Image Ejector Leader Pin.
    The Guides dialog box shows up.
    The TUTOR_MH subassembly is already preselected .
  3. Set the DM1 value to 24.
  4. Set the LG value to 160.
  5. Close the Guide dialog box with OK and answer message box with OK.
  6. Close the Mold Base Definition with Close.
    The leader pins are assembly to the mold base.
    Image
    To fix the leader pins, circlips can be used. The image bellow shows a design example.
    Image