Solve complex spatial interference issues with our professional Positioning Component Avoidance Mechanism drawing. In a typical machining or assembly cycle, a positioning pin or “stop” is required to lock the part in place. However, that same pin often obstructs the path of a cutting tool, a welding torch, or a robot gripper later in the sequence. This technical CAD resource provides a blueprint for a “retractable” or “swing-away” datum system. By downloading this file, you gain access to a mechanism that provides rigid, high-precision positioning when engaged, but can be automatically moved out of the “interference zone” once the part is securely clamped.

The design featured in this package focuses on a Pneumatically Actuated Pivot or Slide architecture. The drawing includes detailed layouts for the precision-ground locating pin and the high-stiffness linkage that ensures the pin returns to the exact same sub-micron coordinate every time it is deployed. By utilizing this blueprint from MechStream, you can design high-density fixtures where tools need to pass through the same space previously occupied by the locating hardware. This is a critical asset for 5-axis machining, automated welding cells, and complex multi-stage assembly lines.

Our technical documentation prioritizes repeatability and sensor feedback. The assembly is designed with integrated “Home” and “Retracted” position sensors to ensure the machine controller knows exactly where the component is before allowing a tool to enter the workspace. Whether you are building a swing-away stop for a CNC lathe or a flip-down datum for an aerospace assembly jig, this drawing provides the exact geometric tolerances, pivot bearing specifications, and locking force ratings required for a professional-grade avoidance system.

Key Features:

  • High-Repeatability Pivot Design: Engineered to return to within ±0.01mm of the datum point after every avoidance cycle.
  • Compact Actuation Envelope: Optimized to fit within the narrow confines of a fixture plate without sacrificing structural rigidity.
  • Positive Mechanical Locking: Features a wedge or toggle-lock design to ensure the positioning component does not “give” under the weight of the workpiece.
  • Integrated Chip & Coolant Protection: Detailed specifications for bellows or wiper seals to prevent machining debris from jamming the avoidance movement.
  • Fail-Safe Logic Integration: Pre-defined mounting for proximity sensors to prevent “tool-to-fixture” collisions.