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H 13 Plunger Rods

Cooling, lubrication where you need it most


Plunger rods are an essential component as a crucial part of the shot end assembly and are responsible for pushing hot metal into the die cavity. Proper design and machining accuracy are critical for plunger rods to ensure trouble-free production.

Two key features of a useful Plunger Rod are cooling and lubrication. Maintaining a tolerable temperature in this hot zone is essential to functionality and the longevity of the rod. The Advance™ Plunger Rod utilizes a maximum diameter cooling line withoutsacrificing integral strength. Lubricity between the tip and sleeve are critical and is why we precisely engineered the placement of our plunger lubrication line.

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Features:

  • Manufactured of premium pre-hard 4150
  • Engineered for maximum cooling to ensure shot-end longevity
  • Built-in lubricity system optimizes production capacity
  • Standard wrench flats for easy replacement
  • Custom designs and sizes available upon request
  • Combine Advance Plungers & Tips with our “TLS Series” Tip Lubrication System diameters of 4.25” to 8"

 

Plunger and Tip Cooling System

 

1. Coolant enters and exits the plunger via ¼” npt ports (located in-line as standard). 
2. It then flows the length of the plunger rod through a 3/8” diameter brass tube which is supplied extra long and slanted to ensure positive flow to the tip. 
3. The end of the tube is extra long and slanted so coolant always enters the tip. 
4. Advance plunger tips (sold separately) have a custom designed coolant chamber. An even wall thickness means even cooling all around that keeps a consistent temperature to prevent cracks.
5. Our Hi-Temp resistant O-ring seals between the plunger rod and tip inhibits coolant leaks and thermal shocks. 
6. Ring-gauged thread tolerances (standard 1 ¼”-12) provides a precise, snug-fit.
7. The brass plug screws in tight to seal in coolant. 

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