Ejection Systems 1) Ejector Pins 8) Lifters 2) Ejector Sleeves 9) Collapsible Core 3) Ejector Blades 10) Expandable Collet 4) Group Exercise 11) Hydraulic 5) Stripper Plate 12) Unscrewing 6) Angle Pins/Sliders 13) Air Ejection 7) Cam Blocks/Slider 14) Pass Through

1. Ejector Pins Animation of Ejector Pins – Slide 2

2. Ejector Sleeves Animation of Ejector Sleeves Animation of Ejector Sleeves – Slide 14

3. Ejector Blades Animation of Ejector Blades – Slide 11 Mapeng.net

What Criteria/Factors/Variables that affect the 4. Group Exercise What Criteria/Factors/Variables that affect the total projected ejection area = f (Quantity, Diameter) Response = Q and D

Undercuts Bad Good www.custompartnet.com

5. Stripper Plate Animation of Stripper Plate Animation of Stripper Plate – Slide 16

6. Angle Pin/Slider Animation of Angle Pin/Slider – Slide 10 www.diesupplies.com

7. Cam Blocks/Sliders

8. Lifter Animation of Lifters Animation of Lifters – Slide 7

Animation of Collapsible Core: 0:17 and 1:00

12 cavity collapsible core mold

10. Expandable Collet Animation of A-Side Striker Animation of B-Side Striker

11. Hydraulic Core Pull Video of Hydraulic Core Pull 0:25 – 0:50 secs Animation of Hydraulic Core Pull – Slide 7

12. Unscrewing Video of Unscrewing Mold Part at 1:20 Process 0:45-1:25 Animation of Unscrewing Mold Video of Rack-n-Pinion Unscrewing Mold 0:25 – 1:00

Animation of Air Ejection – Slide 13

14. Pass Through Protolabs.com

Reverse Ejection https://www.youtube.com/watch?v=NAuj3hVyhSg Slides + unscrewing + ejector pins https://www.youtube.com/results?search_query=unscrewing+mold