Thingiverse
Peristaltic Dosing Head
by Thingiverse
Last crawled date: 4 years, 3 months ago
This is a peristaltic dosing head with a reversal dampener. It uses a 9:1 gear ratio and a nema 14 drive motor. This is a part of a series of experiments I am performing on liquid/farm bot/bio related devices.
Videos:https://youtu.be/VUNKPKBcuh0
https://youtu.be/e03CmF6zqBc
Regular parts:
I used pretty common parts for the majority of the device, M4 machine screws M5 Machine screw and square nuts for the rocker and 24 tooth pivots, ballpoint pen spring and a few M3 and M4 set-screws. The bearings are 5x 10x5x4, 4x 9x5x3, and 1x 7x3x3. The only trick is the sleeve bearing in the center of the base gear.
Special parts:
INA HK1010 Needle Roller Bearinghttps://www.amazon.com/gp/product/B006KT1FEU/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Nema 14 Stepper Motor 35mmhttps://www.amazon.com/gp/product/B07PQ12SDW/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Laboratory, Food & Beverage and Vacuum Plastic Tubing, Clear, 1/16" ID x 1/8"https://www.amazon.com/gp/product/B00FW7UUTM/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
Male luer with Lock Ring x 1/16" Hose Barbhttps://www.amazon.com/gp/product/B003NV7LFU/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
30 Ga 1/4 Inch Blunt Tip Dispensing Needle with Luer Lockhttps://www.amazon.com/gp/product/B07VSDCRQG/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
Videos:https://youtu.be/VUNKPKBcuh0
https://youtu.be/e03CmF6zqBc
Regular parts:
I used pretty common parts for the majority of the device, M4 machine screws M5 Machine screw and square nuts for the rocker and 24 tooth pivots, ballpoint pen spring and a few M3 and M4 set-screws. The bearings are 5x 10x5x4, 4x 9x5x3, and 1x 7x3x3. The only trick is the sleeve bearing in the center of the base gear.
Special parts:
INA HK1010 Needle Roller Bearinghttps://www.amazon.com/gp/product/B006KT1FEU/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Nema 14 Stepper Motor 35mmhttps://www.amazon.com/gp/product/B07PQ12SDW/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Laboratory, Food & Beverage and Vacuum Plastic Tubing, Clear, 1/16" ID x 1/8"https://www.amazon.com/gp/product/B00FW7UUTM/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
Male luer with Lock Ring x 1/16" Hose Barbhttps://www.amazon.com/gp/product/B003NV7LFU/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
30 Ga 1/4 Inch Blunt Tip Dispensing Needle with Luer Lockhttps://www.amazon.com/gp/product/B07VSDCRQG/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
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