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- Page 1 ® FIRST GAME CHANGERS powered by Star Wars: Force for Change 2020-2021 FIRST Tech Challenge ® Basic ‘Bot Guide for REV Part 2- Armature...
- Page 2 Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 2 | FIRST Sponsor Thank You ® Thank you to our generous sponsors for your continued support of the FIRST Tech Challenge! Revision 1: 10/29/2020...
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Page 3: Table Of Contents
Tech Challenge Basic ‘Bot Guide for REV-Part 2 ® FIRST Revision History Revision Date Description 10/29/2020 Initial Release Contents Introduction ................................ 5 ® What is FIRST Tech Challenge? ........................5 FIRST Core Values ............................5 ® Gracious Professionalism ..........................5 Introduction to this Guide ........................... - Page 4 Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 4 | FIRST Step 23: Assemble Upper Gear Set ......................29 Step 24: Add Upper Gear Set to Robot ..................... 30 Step 24: Continued - Final Positioning of Gear Train ................31 Tower Arm &...
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Page 5: Introduction
Tech Challenge Basic ‘Bot Guide for REV-Part 2 ® FIRST Introduction ® What is FIRST Tech Challenge? ® FIRST Tech Challenge is a student-centered program that focuses on giving students a unique and stimulating experience. Each year, teams engage in a new game where they design, build, test, and program ®... -
Page 6: Introduction To This Guide
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 6 | FIRST Introduction to this Guide About This Guide The Basic ‘Bot Guide is designed to be a resource for teams looking for a step-by-step instructional for building a robot and a basic armature for the FIRST Tech Challenge competition. There are multiple versions of this guide, previously called the “Push Bot Guide”. -
Page 7: Armature
Tech Challenge Basic ‘Bot Guide for REV-Part 2 ® FIRST Armature Parts Needed: Tower Base REV-41-1480 - metal 90 degree bracket (1 x 4) REV-41-1359 - M3 x 8mm screw (4 x 4) Step 1: Prepare Upper Brackets (Make 4) REV-41-1361 - M3 nyloc nuts (4 x 4) Figure 1- Unassembled View Figure 2- Assembled View of One... -
Page 8: Step 2: Add Upper Brackets To Beams (Make 2)
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 8 | FIRST Step 2: Add Upper Brackets to Beams (Make 2) Parts Needed: REV-41-1430 - Extrusion, 150mm - 45 degree ends (4) Assemblies from previous step Figure 4- Unassembled View Figure 5- Assembled View Revision 1: 10/29/2020... -
Page 9: Step 3: Prepare Cross Brace Support Brackets (Make 4)
Tech Challenge Basic ‘Bot Guide for REV-Part 2 ® FIRST Step 3: Prepare Cross Brace Support Brackets (Make 4) Parts Needed: REV-41-1320 - plastic inside corner bracket (1 x 4) REV-41-1359 - M3 x 8mm screw (4 x 4) REV-41-1361 - M3 nyloc nuts (4 x 4) Figure 6- Unassembled View Figure 7- Assembled View of One Figure 8- Assembled View of All Four... -
Page 10: Step 4: Add Brackets To Cross Brace
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 10 | FIRST Step 4: Add Brackets to Cross Brace Parts Needed: REV-41-1431 - Extrusion, 225mm - 90 degree ends (2) Assemblies from the previous step Figure 9- Unassembled View Figure 10- Assembled view Revision 1: 10/29/2020... -
Page 11: Step 5: Add Screws To Cross Brace
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 11 ® FIRST Step 5: Add Screws to Cross Brace Parts Needed: REV-41-1359 - M3 x 8mm screw (16) Assemblies from the previous step Figure 11- Unassembled View Figure 12- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 12: Step 6: Add Cross Braces To Beams
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 12 | FIRST Step 6: Add Cross Braces to Beams Parts Needed: Assemblies from previous steps Figure 13- Unassembled View Figure 14- Assembled view Helpful Hint • Upper cross brace touches metal bracket of support arm. •... -
Page 13: Step 7: Prepare Tower/Chassis Brackets (Make 6)
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 13 ® FIRST Step 7: Prepare Tower/Chassis Brackets (Make 6) Parts Needed: REV-41-1307 - plastic 45 degree bracket (1 x 6) REV-41-1359 - M3 x 8mm screw (5 x 6) REV-41-1361 - M3 nyloc nuts (5 x 6) Figure 15- Unassembled View Figure 16- Assembled View of One Figure 17- Assembled View of All Six... -
Page 14: Step 8: Add Tower/Chassis Brackets To Tower Base
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 14 | FIRST Step 8: Add Tower/Chassis Brackets to Tower Base Parts Needed: Assemblies from previous steps Figure 18- Unassembled View Figure 19- Assembled View Revision 1: 10/29/2020... -
Page 15: Step 9: Add Tower Base To Chassis
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 15 ® FIRST Step 9: Add Tower Base to Chassis Parts Needed: Chassis Tower Base - assembly from the previous step Figure 20- Temporarily Remove Omni Wheels Figure 21- Add Tower Base Assembly Figure 22- Assembled View Helpful Hint •... -
Page 16: Tower Gear Assembly
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 16 | FIRST Tower Gear Assembly Step 1: Prepare Brackets (Make 8) Parts Needed: REV-41-1321 - plastic lap corner bracket (1 x 8) REV-41-1359 - M3 x 8mm screw (1 x 8) REV-41-1361 - M3 nyloc nuts (1 x 8) Figure 23- Unassembled View Figure 24- Assembled View... -
Page 17: Step 11: Add Brackets To Beam (Make 2)
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 17 ® FIRST Parts Needed: Step 2: Add Brackets to Beam (Make 2) REV-41-1431 - Extrusion, 225mm - 90 degree ends (1 x 2) Assemblies from previous step Figure 25- Unassembled View Figure 26- Assembled View Helpful Hint •... -
Page 18: Step 12: Add Beams To Base
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 18 | FIRST Step 3: Add Beams to Base Parts Needed: Assemblies from previous steps Robot (chassis plus new assemblies) Figure 27- Unassembled View Figure 28- Assembled View Helpful Hint •... -
Page 19: Step 13: Assemble Gear Motor
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 19 ® FIRST Step 4: Assemble Gear Motor Parts Needed: REV-41-1291 HD hex motor (1) REV-41-1607 UltraPlanetary Mounting Plate (1) M3 x 8mm button head screws (supplied with motor) (2) Figure 29- Unassembled View Figure 30- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 20: Step 14: Assemble Motor Gears
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 20 | FIRST Parts Needed: Assembly from previous step Step 5: Assemble Motor Gears REV-41-1601 - UltraPlanetary Cartridge 3:1 (1) REV-41-1602 - UltraPlanetary Cartridge 4:1 (1) REV-41-1603 - UltraPlanetary Cartridge 5:1 (1) REV-41-1604 - UltraPlanetary Output Stage (1) M3 x 40mm screw (supplied in kit) (6) Figure 31- Unassembled View... -
Page 21: Step 15: Prepare Motor Bracket
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 21 ® FIRST Step 6: Prepare Motor Bracket Parts Needed: REV-41-1623 - UltraPlanetary bent bracket (1) REV-41-1359 - M3 x 8mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 33- Unassembled View Figure 34- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 22: Step 16: Mount Motor To Bracket
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 22 | FIRST Step 7: Mount Motor to Bracket Parts Needed: Assemblies from previous steps REV-41-1359 - M3 x 8mm screw (5) Figure 35- Unassembled View Figure 36- Assembled View Revision 1: 10/29/2020... -
Page 23: Step 17: Add Gears To Motor
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 23 ® FIRST Step 8: Add Gears to Motor Parts Needed: Assembly from previous step REV-41-1334 - 45 tooth gear (2) REV-41-1125 - M3 x 35mm screw (5) Figure 37- Unassembled View Figure 38- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 24: Step 18: Add Motor To Tower
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 24 | FIRST Parts Needed: Step 9: Add Motor To Tower Assembly from the previous step Chassis & Tower Base Figure 39- Unassembled View Figure 40- Assembled View Helpful Hint •... -
Page 25: Step 19: Prepare Pillow Blocks (Make 4)
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 25 ® FIRST Step 10: Prepare Pillow Blocks (Make 4) Parts Needed: REV-41-1317 - bearing pillow block (1 x 4) REV-41-1359 - M3 x 8mm screw (2 x 4) REV-41-1361 - M3 nyloc nuts (2 x 4) Figure 41- Unassembled View Figure 42- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 26: Step 20: Assemble Mid Gear Set
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 26 | FIRST Parts Needed: REV-41-1332 - 30 tooth gear (1) Step 11: Assemble Mid Gear Set REV-41-1337 - 90 tooth gear (1) REV-41-1347 - 75mm hex shaft (1) REV-41-1322 - end cap bearing (2) Pillow block assemblies from previous step (2 of 4) Figure 43- Unassembled View Figure 44- Assembled View... -
Page 27: Step 21: Add Mid Gear Set To Robot
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 27 ® FIRST Step 12: Add Mid Gear Set to Robot Parts Needed: Assembly from the previous step Chassis & Tower Base Figure 45- Unassembled View Figure 46- Assembled View Helpful Hint •... -
Page 28: Step 22: Prepare Upper Gear
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 28 | FIRST Parts Needed: REV-41-1331 125 tooth gear (1) REV-41-1360 - M3 x 16mm screw (2) Step 13: Prepare Upper Gear REV-41-1361 - M3 nyloc nuts (2) Figure 47- Unassembled View Figure 48- Assembled View Helpful Hint •... -
Page 29: Step 23: Assemble Upper Gear Set
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 29 ® FIRST Parts Needed: Assembly from previous step Step 14: Assemble Upper Gear Set Pillow block assemblies from a previous step (2 of 4) REV-41-1347 - 75mm hex shaft (1) REV-41-1322 - end cap bearing (2) REV-41-1323 - 15mm spacer (1) Figure 49- Unassembled View... -
Page 30: Step 24: Add Upper Gear Set To Robot
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 30 | FIRST Step 15: Add Upper Gear Set to Robot Parts Needed: Assembly from previous step Chassis & Tower Base Figure 51- Unassembled View Figure 52- Assembled View Revision 1: 10/29/2020... -
Page 31: Step 24: Continued - Final Positioning Of Gear Train
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 31 ® FIRST Step 15: Continued - Final Positioning of Gear Train Figure 53- Assembled View Helpful Hint • Upper gear set pillow blocks are flush with the end of the beams. •... -
Page 32: Tower Arm & Gripper
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 32 | FIRST Tower Arm & Gripper Step 1: Prepare Servo Bracket Parts Needed: REV-41-1485 - metal bent servo bracket (1) REV-41-1359 - M3 x 8mm screw (3) REV-41-1361 - M3 nyloc nuts (3) Figure 54- Unassembled View Figure 55- Assembled View Revision 1: 10/29/2020... -
Page 33: Step 26: Assemble Gripper Servo
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 33 ® FIRST Parts Needed: Step 2: Assemble Gripper Servo Assembly from previous step REV-41-1097 - smart robot servo (1) REV-41-1359 - M3 x 8mm screw (4) REV-41-1361 - M3 nyloc nuts (4) Figure 56- Unassembled View Figure 57- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 34: Step 27: Add Servo Horn
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 34 | FIRST Step 3: Add Servo Horn Parts Needed: Assembly from previous step REV-41-1828 - servo horn (1) Screw from servo kit (1) Figure 58- Unassembled View Figure 59- Assembled View Revision 1: 10/29/2020... -
Page 35: Step 28: Prepare Rod End Bracket
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 35 ® FIRST Step 4: Prepare Rod End Bracket Parts Needed: REV-41-1304 - Rod end bracket (1) REV-41-1359 - M3 x 8mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 60- Unassembled View Figure 61- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 36: Step 29: Attach Rod End Bracket To Servo
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 36 | FIRST Step 5: Attach Rod End Bracket to Servo Parts Needed: Assemblies from previous steps REV-41-1359 - M3 x 8mm screw (2) Figure 62- Unassembled View Figure 63- Assembled View Revision 1: 10/29/2020... -
Page 37: Step 30: Prepare 90 Degree Brackets
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 37 ® FIRST Step 6: Prepare 90 Degree Brackets Parts Needed: REV-41-1305 - 90 degree bracket (1) REV-41-1359 - M3 x 8mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 64- Unassembled View Figure 65- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 38: Step 31: Add Servo To Beam
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 38 | FIRST Step 7: Add Servo to Beam Parts Needed: REV-41-1431 - Extrusion, 225mm - 90 degree ends (1) Assemblies from previous steps Figure 66- Unassembled View Figure 67- Assembled View Helpful Hint •... -
Page 39: Step 32: Prepare Ring Release Assembly
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 39 ® FIRST Parts Needed: REV-41-1305 - 90-degree bracket (3) Step 8: Prepare Ring Release Assembly REV-41-1360 - M3 x 16mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 68- Unassembled View Figure 69- Assembled View Helpful Hint •... -
Page 40: Step 33: Add Ring Release Assembly To Servo Beam
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 40 | FIRST Step 9: Add Ring Release Assembly to Servo Beam Parts Needed: Assemblies from previous steps Figure 70- Unassembled View Figure 71- Assembled View Revision 1: 10/29/2020... -
Page 41: Step 34: Add Servo Bracket To Arm
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 41 ® FIRST Step 10: Add Servo Bracket to Arm Parts Needed: REV-41-1432 - Extrusion 420mm 90 degree ends (1) Assembly from previous step Figure 72- Unassembled View Figure 73- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 42: Step 35: Prepare Ring Holder Support Bracket
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 42 | FIRST Step 11: Prepare Ring Holder Support Bracket Parts Needed: REV-41-1303 - 15mm plastic motion bracket (1) REV-41-1359 - M3 x 8mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 74- Unassembled View Figure 75- Assembled View Revision 1: 10/29/2020... -
Page 43: Step 36: Add Corner Bracket To Ring Holder Support Bracket
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 43 ® FIRST Step 12: Add Corner Bracket to Ring Holder Support Bracket Parts Needed: REV-41-1320 - 15mm inside plastic corner bracket (1) REV-41-1360 - M3 x 16mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Assembly from the previous step Figure 76- Unassembled View Figure 77- Assembled View... -
Page 44: Step 37: Add Motion Bracket To Ring Holder Assembly
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 44 | FIRST Step 13: Add Motion Bracket to Ring Holder Assembly Parts Needed: REV-41-1303 - 15mm plastic motion bracket (1) REV-41-1360 - M3 x 16mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Assembly from previous step Figure 78- Unassembled View Figure 79- Assembled View... -
Page 45: Step 38: Add Second Motion Bracket To Ring Holder Assembly
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 45 ® FIRST Step 14: Add Second Motion Bracket to Ring Holder Assembly Parts Needed: REV-41-1303 - 15mm plastic motion bracket (1) REV-41-1359 - M3 x 8mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Assembly from previous step Figure 80- Unassembled View Figure 81- Assembled View... -
Page 46: Step 39: Add Second Corner Bracket To Ring Holder Assembly
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 46 | FIRST Step 15: Add Second Corner Bracket to Ring Holder Assembly Parts Needed: REV-41-1320 - 15mm inside plastic corner bracket (1) REV-41-1360 - M3 x 16mm screw (2) REV-41-1361 - M3 nyloc nuts (2) Figure 82- Unassembled View Figure 83- Assembled View... -
Page 47: Step 40: Add Ring Holder To Arm
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 47 ® FIRST Step 16: Add Ring Holder to Arm Parts Needed: Assemblies from previous steps Figure 84- Unassembled View Figure 85- Assembled View Helpful Hint • Adjust position of ring holder assembly so that the ring release assembly can swing past it. -
Page 48: Step 41: Add Arm/Gripper To Tower Gear Assembly
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 48 | FIRST Step 17: Add Arm/Gripper to Tower Gear Assembly Parts Needed: Assembly from the previous step Robot Figure 86- Unassembled View Figure 87- Assembled View Helpful Hint • The arm attaches to the two screws on the large gear. -
Page 49: Step 42: Add Battery Mounting Plate
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 49 ® FIRST Parts Needed: Robot Step 18: Add Battery Mounting Plate REV-41-1166 battery holder plate REV-41-1359 - M3 x 8mm screw (1) REV-41-1361 - M3 nyloc nuts (1) Figure 88- Unassembled View Figure 89- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.”... -
Page 50: Step 43: Plug In Motor And Servo
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 50 | FIRST Step 19: Plug in Motor and Servo Parts Needed: Assembly from the previous step Motor power wire from motor kit. (1) REV-11-1130 36 inch PWM cable (1) Figure 90- Unassembled View Figure 91- Assembled View Helpful Hint... -
Page 51: Step 44: Add Battery To Robot
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 51 ® FIRST Step 20: Add Battery to Robot Parts Needed: Robot REV-31-1302 12V slim battery (1) REV-41-1161 zip ties (as required) Figure 92- Unassembled View Figure 93- Assembled View “Doing your best work while treating others with respect and kindness - It’s what makes FIRST, first.” ®... -
Page 52: Final Steps
Tech Challenge Basic ‘Bot Guide for REV- Part 2 ® 52 | FIRST Final Steps What’s Next? • After the gripper/release mechanism is complete the servo left and right positions need to be programmed with the servo programmer. When closed, the 90-degree bracket on the short end of the gripper mechanism should just touch the ring holder assembly. -
Page 53: Appendix A - Resources
Tech Challenge Basic ‘Bot Guide for REV-Part 2 | 53 ® FIRST Appendix A – Resources Game Forum Q&A https://ftcforum.firstinspires.org/ Anyone may view questions and answers within the FIRST ® Tech Challenge game Q&A forum without a password. To submit a new question, you must have a unique Q&A system username and password for your team.
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