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Thread: Collators/Feeders - Can someone please teach me or point me to information on

  1. #1
    Boolit Buddy
    Join Date
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    Collators/Feeders - Can someone please teach me or point me to information on

    Can someone please explain to me or point me to information on collators or feeders? Either bullet or case versions are fine.

    I'm trying to grasp the concepts of how these things work and I'm having a hard time understanding. I get what they do, but I do not understand how they do it.

    I'm looking to make my own case collator.

    I can design/print my own drop tube, wire a motor with speed control, wire/setup a optical sensor to determine if cases are in the drop tube (thus triggering the collator to feed more cases), and so on. I can pretty much come up with everything other than how the collator plate spins to interact with the collator body. What is the theory behind this? How does a collator ensure that cases and or bullets are always fed in the direction that is desired? How does one determine the math/geometry behind a collator plate for each cartridge?

  2. #2
    Boolit Buddy
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    Quote Originally Posted by Dimner View Post
    Can someone please explain to me or point me to information on collators or feeders? Either bullet or case versions are fine.

    I'm trying to grasp the concepts of how these things work and I'm having a hard time understanding. I get what they do, but I do not understand how they do it.

    I'm looking to make my own case collator.

    I can design/print my own drop tube, wire a motor with speed control, wire/setup a optical sensor to determine if cases are in the drop tube (thus triggering the collator to feed more cases), and so on. I can pretty much come up with everything other than how the collator plate spins to interact with the collator body. What is the theory behind this? How does a collator ensure that cases and or bullets are always fed in the direction that is desired? How does one determine the math/geometry behind a collator plate for each cartridge?
    Please disregard.

    Gravity was my answer.


    Thanks to Rcmaveric for mentioning the shoebox case feeder. I'm going to modify this for 223 and use with the Lee APP.
    Here is a great video:


  3. #3
    Boolit Master

    Rcmaveric's Avatar
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    Jacksonville, FL
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    Your welcome. Glad I could help. It's pretty much all gravity. Hurry up and get those STL files before someone gets a nasty gram.



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    ~Theodore Roosevelt~

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check