Runner

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Runner

  1. 1. Runner CimatronE 8.5 Tutorial
  2. 2. Table of Contents Runner................................................................................................................................. 1 Runner Introduction......................................................................................................... 1 Sketch .............................................................................................................................. 1 Runner body..................................................................................................................... 4 CimatronE 8.5 Runner Documentation i
  3. 3. ii Runner Documentation CimatronE 8.5
  4. 4. Runner Runner Introduction Runners are channels through which molten material flows from the sprue to the gates to fill a mold cavity. By definition, a runner is created between two plates. It can cut one of the plates or both of them. This process begins with a user sketch of the runners and ends with the mold being cut by the runners Sketch Create sketch Unpack the file: MD_runner.ctf Open the assembly: MD_MD.elt. From Mold Design guide, click the Runner Design icon, select the Pattern Sketch icon CimatronE 8.5 Runner Documentation 1
  5. 5. Select the plane as indicated in the picture. The Runner part has been created under the main assembly, and it is automatically activated. Create the following sketch. 2 Runner Documentation CimatronE 8.5
  6. 6. Copy the sketch Create an axis defined by the hole indicated by the arrow in the picture. Copy the sketch – Radial ; Counter = 3 Theta=120 You may use a mixture of lines and sketches as input for the runner body. CimatronE 8.5 Runner Documentation 3
  7. 7. Runner body Runner body Select the Runner Bodies icon. Select the three sketches and exit. The Runner Cross Section dialog is displayed. 4 Runner Documentation CimatronE 8.5
  8. 8. Select the cross section as indicated in the picture. The numeric fields are now available. Enter the desired size for the cross-section elements examine the resulted runner body (according the parameters you have set). CimatronE 8.5 Runner Documentation 5
  9. 9. Note that you can use your own defined cross section by pressing the "Other Cross section” button . Then select any 2d -closed sketch from the display area as the cross section. Local cross section Set a local cross section. Select the icon in the dialog, than select the segment indicated in the picture. 6 Runner Documentation CimatronE 8.5
  10. 10. Set different values to the cross section. Click the picture button to display the picture of the cross section and its parameters. Note that local section is marked in blue circle while general section is marked in blue cross. CimatronE 8.5 Runner Documentation 7
  11. 11. Jump back to the previous step. Change the option Flat End to Revolve End. Select OK. Merge Merge the six bodies into one body. Select OK. 8 Runner Documentation CimatronE 8.5
  12. 12. Cut by Runner Cut the mold components with the runner body. Select the Cut by Runner icon. Note that the main assembly is automatically activated. Select the K20 of the movable side as the object to be cut. Select the merge runner body as the cutting object CimatronE 8.5 Runner Documentation 9
  13. 13. Select OK. Hide the runner body to display the runner in the movable side. This runner is cut only the movable side, there maybe other runner sections that both sides should be cut. You may complete the exercise by cutting the Sprue bushing and adding gates. 10 Runner Documentation CimatronE 8.5

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