The Spring Loaded Retractable Index Plunger is a precision positioning element that drives telescopic motion through a built-in compression spring.
Spring Loaded Retractable Index Plunger
PDM
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Features of Spring Loaded Retractable Index Plunger
Spring Loaded Retractable Index Plunger Title:
Spring Loaded Retractable Index Plunger for Positioning
Indexing Spring Plunger Introduction:
Elastic positioning: The spring pressure pushes the plunger to extend and embed it into the workpiece hole slot to achieve indexing locking;
Shrinkable design: Apply external force to compress the plunger, release the locked state, and achieve quick position switching;
Spring Loaded: Spring preloading mechanism, providing stable contact pressure;
Index Plunger: indexing function, used for repeated positioning of mechanical positions.
Body Material - Aluminium body, steel shell (flange),
Plunger Pin:Steel
Spring:Steel
Finish - Chrome Plating
Application:
Medical equipment assembly stations, automotive welding lines, injection/stamping molds, etc.
| Thread | D | Diameter | L1 | L2 | L3 | L4 |
| M8 | 14 | 4.7 | 20 | 12 | 2 | 7 |
| M10 | 17 | 6.2 | 26 | 17 | 2 | 8 |
Notes：
Stainless steel versions (such as GN608.6) are preferred for humid environments.
Recommended for high-frequency vibration scenarios with reset position design;
Installation steps
Hole verification: The installation hole diameter must strictly match the outer diameter of the plunger;
Cleaning treatment: Use anhydrous ethanol to remove oil stains and debris from the installation holes, ensuring that the hole walls are dry and free of burrs.
Body installation
Vertical pressing: Align the plunger vertically with the installation hole and use a special torque wrench to screw it in, avoiding tilting and jamming.
Functional testing
Travel verification: Manually press the plunger plug head without any jamming throughout the entire process.
Features of Spring Loaded Retractable Index Plunger
Spring Loaded Retractable Index Plunger Title:
Spring Loaded Retractable Index Plunger for Positioning
Indexing Spring Plunger Introduction:
Elastic positioning: The spring pressure pushes the plunger to extend and embed it into the workpiece hole slot to achieve indexing locking;
Shrinkable design: Apply external force to compress the plunger, release the locked state, and achieve quick position switching;
Spring Loaded: Spring preloading mechanism, providing stable contact pressure;
Index Plunger: indexing function, used for repeated positioning of mechanical positions.
Body Material - Aluminium body, steel shell (flange),
Plunger Pin:Steel
Spring:Steel
Finish - Chrome Plating
Application:
Medical equipment assembly stations, automotive welding lines, injection/stamping molds, etc.
| Thread | D | Diameter | L1 | L2 | L3 | L4 |
| M8 | 14 | 4.7 | 20 | 12 | 2 | 7 |
| M10 | 17 | 6.2 | 26 | 17 | 2 | 8 |
Notes：
Stainless steel versions (such as GN608.6) are preferred for humid environments.
Recommended for high-frequency vibration scenarios with reset position design;
Installation steps
Hole verification: The installation hole diameter must strictly match the outer diameter of the plunger;
Cleaning treatment: Use anhydrous ethanol to remove oil stains and debris from the installation holes, ensuring that the hole walls are dry and free of burrs.
Body installation
Vertical pressing: Align the plunger vertically with the installation hole and use a special torque wrench to screw it in, avoiding tilting and jamming.
Functional testing
Travel verification: Manually press the plunger plug head without any jamming throughout the entire process.
