Safety INDEX 1. Personal Safety 2. Mechanical Safety 3. Electrical Safety
1. Personal Safety
The TETRIX DC motors have a very powerful torque rating of 300 oz/inches. Proper care must be taken to protect you as well as your assembly. The robot should always be powered down before operating or working with any section of it.
Keep hair, clothing, and all parts of your body away from the moving components on the robot while it is turned on. This includes (but is not limited to) any motors, wheels and gears that could start spinning.
Only work in clean environments free of both clutter and moisture.
When working on metal robots, wear safety gloves and goggles to protect the skin and eyes.
Use extra caution when cutting metal. Only do so under direct supervision and always cut away from your body (not toward). After cutting, be sure to file, sand down or tape off any rough or jagged edges.
2. Mechanical Safety
Never drive a smaller gear with a larger gear. Doing so risks exceeding the the DC motor’s torque rating and damaging the inner gearbox (burning out the motor).
Incorrect Correct When using two or more servo motors together, the centers must be identified and aligned so the motors will run on a common axis. If this is not done, the servo’s motion may be hindered and moving parts damaged by contact with misaligned components.
Make sure the power supply is disconnected when wiring the DC Motor or Servo Controllers.
The battery should be positioned so it will not rub against sharp edges. A damaged, leaking battery is a safety hazard.
Never bypass the battery’s inline fuse. Doing so will damage your robot’s electrical components. To extend the life of the battery, don’t allow it to stay connected to the charger for extended periods of time.
Avoid running wires along ‘pinch points’. Sharp metal pieces and gears can damage the wires and their insulation, causing them to break or be exposed. When possible, run wires through metal tubing and wire-tie them to structural components.
moving parts damaged by contact with mis- aligned components. 2. Mechanical Safety. Never drive a smaller gear with a larger gear. Doing so. risks exceeding ...
Standoff Posts. 3. C-Tubes. 1. Constructing a Chassis. Set two 288 mm channel pieces side by side with. the open end of the U-shape facing down. Set two.
... pivot bracket opposite the horn over. the bearing and align the bracket hole to it. Page 3 of 7. TETRIX grippers & actuators.pdf. TETRIX grippers & actuators.pdf.
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The screws in the TETRIX system are fastened with. kep nuts, which feature a toothed side. The toothed. side should face toward the screw head so the teeth. can 'grab' onto the metal. When building with the TETRIX system, it's best to. wait until all
bearing into the bracket hole. Place the bearing screw through the bearing from the. outside of the pivot bracket. Insert the screw into the back. of the motor bracket. Secure the pieces together with the. washer and nut â but do not overtighten. P
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1x Touch Sensor D. 1x Power Switch E. 1x TETRIX DC Motor Controller F. 3x NXT Wire G. 1x DC Motor Wire H. 1x TETRIX Battery Pack I. 1x Battery Connector Wire J. 1x DC Motor Mount K. 1x SHCS 6-32 x 1.5 L. 1x Hex 6-32 KEP Lock Nut M. 1x Allen Wrench N.
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