GN 514

Types

Type A: With plastic knob, without lock nut

Type AK: With plastic knob, with lock nut

Type AN: With stainless steel knob, without lock nut

Type AKN: With stainless steel knob, with lock nut

Steel

Blackened

  • Plunger pin

Steel, nitrided

  • Compression spring

Stainless steel AISI 301

Stainless steel AISI 316 A4

  • Plunger pin

Stainless steel AISI 316

Case hardened

  • Compression spring

Stainless steel 316Ti

Knob (type A / AK)

Plastic (Polyamide PA)

  • Black, matte finish
  • Not removable

Knob (type AN / AKN)

Stainless steel AISI 316

Not removable

Locking plungers GN 514 feature a cardioid curve mechanism based on the principle of a retractable pen. They offer very ergonomic operation that requires only repeated pressing of the knob. Thanks to their functional principle, they are well suited for use in tight conditions and are also easy to protect against improper operation, if necessary.

First the plunger pin is brought into the protruding position by pressing the knob. In this position, the cardioid curve mechanism automatically engages to lock the part. Pressing the knob again unlocks the mechanism since the plunger pin retracts automatically by spring force once the button is released. The plunger pin must not be subjected to any axial forces and must move easily.

The stainless steel design is suitable for applications in highly corrosive environments thanks to the A4 materials used.

  • Range of indexing plungers 

  • Load Rating Information 
  • ISO-Fundamental Tolerances 
  • Plastic Characteristics 
  • Stainless Steel Characteristics 

1. In the protruding position, the plunger pin protrudes by distance l1 and is locked.

2. The knob is pressed by distance w1, thereby unlocking the plunger pin.

3. Then the plunger pin is retracted by the compression spring and held in the retracted position.

4. The knob is pressed by distance w2 and locks again in the protruding position after release.

 

 

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