Tig Back Caps

TIG Back Caps – Secure and Adjust Your Tungsten Electrode

TIG back caps are crucial components located at the rear of your TIG welding torch. Their primary function is to securely hold the tungsten electrode within the torch body and allow for easy adjustment of the electrode’s stick-out (the length of the tungsten extending from the collet and cup). Proper back cap selection ensures the tungsten is held firmly for stable arc characteristics and allows the welder to adjust the tungsten length based on the specific welding application and accessibility requirements.

TIG back caps typically come in three standard lengths:

• Short Back Caps: Used when space is limited behind the torch or when using shorter tungsten electrodes. They offer a compact profile.
• Medium Back Caps: A versatile option suitable for most general TIG welding applications and standard length tungsten electrodes.
• Long Back Caps: Designed for use with longer tungsten electrodes or when the welder needs to tap the end of the cap to initiate the arc (lift-arc starting) without directly touching the workpiece. They also provide more surface area for gripping when adjusting the tungsten.

Most TIG back caps feature a threaded design that screws securely onto the torch body. They often have a knurled or textured surface to provide a good grip for easy tightening and loosening, allowing for quick tungsten changes and adjustments. Selecting the appropriate length back cap for your tungsten and welding situation is essential for comfortable operation and optimal welding performance.

Features:

• Securely Holds Tungsten Electrode: Ensures stable arc characteristics during welding.
• Allows for Tungsten Adjustment: Enables the welder to set the optimal tungsten stick-out for different applications.
• Available in Three Standard Lengths:
  • Short: For limited space and shorter tungstens.
  • Medium: Versatile for general use and standard tungstens.
  • Long: For longer tungstens and lift-arc starting.
• Threaded Design: Provides a secure connection to the TIG torch body.
• Knurled or Textured Surface: Offers a good grip for easy tightening and loosening.
• Essential for Proper TIG Welding Setup: A fundamental component for electrode management.

Choosing the correct length TIG back cap for your torch and tungsten electrode is vital for comfortable operation, optimal tungsten stick-out, and efficient TIG welding. Consider the space constraints and the length of your tungsten when making your selection.