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What is the die nut?

What is the die nut? Correct Answer A die in the shape of a nut

Explanation:

  • The threading dies are used to cut external threads on the cylindrical workpieces.
  • The following are the different types of dies:
    • Circular split die (Button die)
    • Half Die
    • Adjustable screw plate die

 Circular split die/   button die
  • This has a slot cut to permit a slight variation in size.
  • When held in the diestock, variation in the size can be made by using the adjusting screws.
  • This permits increasing or decreasing the depth of the cut.
  • This type of die stock is called button pattern stock.

 Half Die
  • Half dies are stronger in construction.
  • Adjustments can be made easily to increase or decrease the depth of cut.
  • These dies are available in matching pairs and should be used together.
  • By adjusting the screw of the diestock, the die pieces can be brought closer together or can be moved apart.
  • They need a special die holder.

 Adjustable Screw   Plate Die
  • This is another type of a two-piece die similar to the half die.
  • This provides greater adjustment than the split die.
  • The two die halves are held securely in a collar by means of a threaded plate (guide plate) which also acts as a guide while threading.
  • This type of die stock is called quick cut die stock.

Die Nut (Solid Die)

  • It looks like the die in the shape of a nut, therefore is it called Die nut.
  • The die nut is used for chasing or reconditioning the damaged threads.
  • Die nuts are not to be used for cutting new threads.
  • The die nuts are available for different standards and sizes of threads.

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