Shell Load Gunpowder reloading - Trickler Scale

prusaprinters

<p>&nbsp;</p><p><a href="https://github.com/Psyche607/Shell_Load-powder-measure">https://github.com/Psyche607/Shell_Load-powder-measure</a></p><p>&nbsp;</p><p>The Shell Load powder measure packs unparalleled powder-measuring accuracy in a compact package. The Shell Load is an effective, accurate powder-measuring tool. The accuracy is between 0,02 gn - 0,05 gn with fast dosage under 5s per dosage.</p><p><img src="https://user-images.githubusercontent.com/99535681/153711311-cbba8a5c-9140-4083-9c4c-7bd0480c446c.png" alt="Zrzut ekranu 2022-02-12 o 12 56 21"></p><p>Precision Accuracy The hopper holds amount of smokeless powder for about 200 - 300 rounds, and can dispense anywhere between 0-1000 grains with a +/-0.05 grain accuracy.</p><p><img src="https://user-images.githubusercontent.com/99535681/153711299-505fe82c-baef-4240-8939-e545e822a88c.png" alt="Zrzut ekranu 2022-02-12 o 13 23 12"></p><p>LCD Display This one-piece unit features an LCD display that ensures accurate data input.</p><p><img src="https://user-images.githubusercontent.com/99535681/153711285-df8135f5-1311-49fa-9663-69d8d6b4bdfd.png" alt="Zrzut ekranu 2022-02-12 o 13 26 23"></p><p>Firmware functions:</p><ul><li>Automatic calibration of the keyboard on the first boot,</li><li>Automatic scale calibration by any mass of the weight set for example 10g weight / 20g weight,</li></ul><p>Menu that allows user to set the following functions parameters:</p><ol><li>Ability to save 10 different configurations depending on the type of ammunition and gunpowder types in relation to the weight that we want to achiev,</li><li>Ability to set the Units Grains (Gn) / Grams (g) as a default value to take measurements,</li><li>Recalibration Shell Load Scale,</li><li>Enable - Autotare,</li><li>Set point when Shell Load Scale shoud start to dosing in more slowly way and more accurate to get finall dosage,</li><li>Set the point when Shell Load Scale shoud start dosing super slowly way and in maximum accurate way to get finall dosage,</li><li>Set the Fast dosing speed,</li><li>Set the super accurate slow dosing speed,</li><li>Set the tolerance value that is acceptable by user / Maximum weighted dosage deviation,</li><li>Set timout for dosing,</li><li>Set compensation value,</li><li>Reset to defaults,</li><li>Ability to upgrade firmware.</li></ol><p>Dashboard:</p><ol><li>Set the dosage to weight (gn/g)</li><li>Current actual weight of the dosage,</li><li>Tare Shell Load manually,</li><li>START/STOP Dosing,</li><li>Information about:<ul><li>Dosing process Finished returning OK,</li><li>Dosing process Finished but weight is Overdosed,</li><li>Dosing process took too long and give an error of Timeout.</li></ul></li></ol><p><img src="https://user-images.githubusercontent.com/99535681/154578469-d5a04926-b439-4270-a12a-62b053932476.png" alt="SHELL LOAD v 2 0"></p><p><a href="https://github.com/Psyche607/Shell_Load-powder-measure/files/8092501/SHELL.LOAD.v.2.0.pdf">SHELL LOAD v. 2.0.pdf</a></p><p>What is needed:</p><p>A) You have to print on 3d Printers in two technologies SLA / FDM or just on SLA Printer:</p><p>Firstly Print 3 main components:</p><p>On SLA/FDM Printer with the highest possible tolerance</p><ul><li>BASE,</li><li>COMPUTER CASE,</li><li>SCALE</li></ul><p>ONLY on SLA PRINTER !!! (Don't Print on FDM printer this can generate and accumulate electrostatic charges, leading to ignition of gunpowder.)</p><ul><li>FUNNEL,</li><li>MOTOR GEAR,</li><li>PAN,</li><li>POWDER TUBE,</li><li>SNAIL.</li></ul><p>Electronic / Firmware</p><p>The main computer unit is using Arduino with specially dedicated hat, with all connectors that you need and uploaded firmware.</p><p>The rest of electronic / mechanicall items that will be needed:</p><p>Electronic Parts for Shield:</p><ul><li>1x Arduino Uno</li><li>1x Loadcell 50g (High accurate) / 100g (Normal accuracy)</li><li>1x HX711 Modul</li><li>1x LCD Display 1602 with I2C Interface</li><li>1x 5 Buttons AD Key Pad</li><li>1x Buzzer (active high)</li><li>1x step-down DC Mini360 LM2596</li><li>1x DRV8825</li><li>1x NEMA17 Stepper Motor</li><li>1x Capacitor 100uF min 12V</li><li>2x Diode 1A</li><li>1x DC Plug 5,2x2,1mm</li><li>1x Power Supply min 12V 1A with Plug 5,2x2,1</li><li>1x calibration weight (5g / 10g / 20g it is relevent what you choose, everything will work),</li></ul><p>Make a SHIELD for Arduino THE SHIELD: <a href="https://aisler.net/p/MCQLSMDE">https://aisler.net/p/MCQLSMDE</a></p><p>Upload the firmware from this site.</p><p>Screw everything :)</p><p>SCREWS:</p><ul><li>19x M3x06      / For main computer TOP and all internalss (LCD, KEBOARD, MAINBOARD), Scale TOP.</li><li>2x M3x16      / For Loadcell mount,</li><li>2x M3x25      / For mounting Boul to Loadcell,</li><li>4x M3x8      / Bottom of te computer unit,</li><li>4x M3x12      / NEMA17 MOUNT,</li><li>1x M3 screw tap</li></ul><p>Logic diagram of cable connections:</p><p><img src="https://user-images.githubusercontent.com/99535681/154504167-fdf9b303-08cd-45f3-ab63-6049bd9bd834.png" alt="Zrzut ekranu 2022-02-17 o 15 36 26"></p><p><img src="https://user-images.githubusercontent.com/99535681/157742108-a0ace5a4-bd58-4ca7-862a-3fed0c2d9859.jpeg" alt="20220310_203749"></p><p><img src="https://user-images.githubusercontent.com/99535681/157742162-5a0005f7-9be8-4ddc-852c-20cc1653f673.jpeg" alt="20220310_203757"></p><p>Below Accuracy proof of the Shell Load v2.0 - Click it to watch.</p><p><img src="https://camo.githubusercontent.com/b689b74a8383f152fd2d187805eaae0487746ca0c66517c30afeebc2e668cd3a/68747470733a2f2f696d672e796f75747562652e636f6d2f76692f46494d6d336975436c57342f302e6a7067" alt="IMAGE ALT TEXT"></p><p>Below calculation of measures as a statistics:</p><p><img src="https://user-images.githubusercontent.com/99535681/154841448-814493c2-76d0-4423-9657-0530d47b77f6.png" alt="Zrzut ekranu 2022-02-20 o 13 00 43"></p><ol><li>Have a lot of fun with it :)</li></ol><p>If you think this project is great and you want to support us, give us oportunity for further developemnt. Click on the button "sponsor this project" - on the right side of this page</p><p><a href="https://ko-fi.com/psyche60715611">https://ko-fi.com/psyche60715611</a></p><p>&nbsp;</p><p>Thank you for all your support !!!</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>