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DIY TT Motor Rack & Pinion Linear Actuator Kit | Robotics

DIY TT Motor Rack & Pinion Linear Actuator Kit | Robotics

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Regular price HK$22.00
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Short Product Description

Easily convert rotational motion into precise linear movement with this custom-designed TT Motor Rack and Pinion Kit. Perfect for robotics, DIY STEM projects, and automated mechanisms, this lightweight, easy-to-assemble set provides everything you need to build pushing or pulling mechanisms—just add your own TT dual-shaft gear motor!

Key Features

  • Seamless Motion Conversion: Transforms standard TT motor rotation into reliable linear motion, perfect for building automated push/pull mechanisms.
  • Universal TT Motor Fit: Custom-molded bracket grips standard dual-shaft gear motors securely without wobbling.
  • Synchronized Dual-Rack System: Two pinion gears and two racks ensure balanced, dual-sided actuation for stable lifting or pushing.
  • Ready-to-Assemble Hardware: Includes a complete set of properly sized screws and nuts, saving you trips to the hardware store.
  • Lightweight 3D Design: Constructed from durable, high-visibility yellow plastic that adds minimal weight to your robotic chassis.

Full Product Description

Transform Your Robotics Projects with Precision Linear Motion

Building custom robotics or automated models often requires converting standard rotational movement into linear pushing or pulling actions. Sourcing industrial-grade linear actuators can be expensive and heavy. This DIY TT Motor Rack and Pinion Kit solves that problem instantly, giving you a lightweight, cost-effective, and highly reliable mechanical solution tailored for your custom builds.

 

Engineered for Makers and Innovators

Whether you are designing a smart trash can, an automated sorting gate, or a custom RC vehicle, this kit bridges the gap between your ideas and reality. By utilizing a simple yet highly effective gear-and-rack mechanism, it ensures smooth, synchronized dual-sided extension.

 

Built for Standard TT Dual-Shaft Motors

We know that compatibility is crucial for DIY electronics. This mounting bracket is precisely molded to securely house standard TT dual-shaft gear motors (the ubiquitous yellow motors found in almost every starter electronics kit). The included pinion gears press-fit snugly onto both shafts, ensuring zero-slip power transmission to the dual linear racks. (Please note: The TT motor itself is explicitly not included in this kit).

 

Complete Hardware Kit for Immediate Assembly

Don't waste time digging through your parts bin for the right screws. This package arrives complete with the primary mounting bracket, two pinion gears, two toothed linear racks, and a dedicated packet of stainless steel mounting screws and nuts. You can transition from unboxing to full mechanical assembly in minutes.

Technical Specifications

  • Compatibility: standard TT dual-shaft gear motor
  • Material: lightweight, durable plastic
  • Color: yellow
  • Mechanism type: rack and pinion (linear actuator)
  • Package contents: 1 × motor bracket, 2 × pinion gears, 2 × racks, 1 × hardware pack (screws/nuts)
  • Motor included: no (for demonstration purposes only)

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

FAQ Section

Q. Does this kit come with the yellow TT motor shown in the first picture?
A. No, the TT motor is shown for demonstration purposes only to illustrate how the final assembly looks. You will need to supply your own standard TT dual-shaft gear motor.

Q. What kind of projects is this rack and pinion set suitable for?
A. It is ideal for Arduino, Raspberry Pi, and Micro:bit robotics projects that require a mechanical arm, a sliding door, an automated gate, or a basic lifting mechanism.

Q. Do I need any special tools to put this together?
A. No special tools are required. You will only need a basic Phillips-head screwdriver to tighten the included mounting screws and secure the motor bracket.

Target Users / Applications

  • DIY Makers & Hobbyists: Building custom home automation gadgets or RC models.
  • STEM Educators & Students: Demonstrating mechanical principles like gear ratios and kinetic conversion in classrooms.
  • Robotics Engineers (Prototyping): Quickly prototyping linear motion concepts before machining metal parts.
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