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The steel rules used in die-making industry need to be bent and formed using an automatic bending machine, and then welded using TIG welding or laser welding system.
  • Using pneumatic pliers or manual pliers to clamp the front and rear ends of the steel rule at the joint is a necessary step in completing the welding of the entire pieces of  steel rule.
  • The pneumatic pliers uses a cylinder to control the clamping and release of the steel rule with a single button. No need for manual knobs to clamp and release as with manual welding pliers, greatly improving efficiency.
  • steel rule plier for welding
  • steel rule pliers
  • steel rule welding plier
  • Pneumatic steel rule plier
  • pneumatic steel rule pliers
  • steel rule plier for welding
  • steel rule pliers
  • steel rule welding plier
  • Pneumatic steel rule plier
  • pneumatic steel rule pliers

Pneumatic Steel Rule Pliers for TIG or Laser Welding Model: AL-218A

As an essential pneumatic tool in the cutting die-making industry, this pneumatic plier has the following advantages and features:

  • Uses well-known brand cylinders with a cycle life of over 1 million times. Long service life and maintenance-free for life.
  • The clamping tools are made of brass, which does not rust or corrode. Whole piece formed by a CNC machining center for high precision.
  • The out shell is made of sheet metal bent into shape and coated with pain. Which not only protects the safety of operators during fixture movement, but also prevents dust and rust.
  • The front end of this pneumatic clamp features a modular design that allows for the addition of different heights and shapes of clamps, such as F-shaped upper clamps for laser welding.
Pneumatic steel rule pliers for welding hold
Model AL-218A
Supported Rule Thickness 0.45mm(1pt)-0.71mm(2pt)-1.07mm(3pt)-1.42mm(4pt)
Supported Rule Height 8mm-100mm(all match)
Standard function Hold the steel rule to assist welding
Working mode Pneumatic(0.6-0.8Mpa compressor to support)
Machine Size 380x98x60mm
Package Size 400×102×65mm
Net Weight 3KG
Gross Weight 4.5KG
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Die-Making Related Equipment
The Application and Role of Pneumatic Pliers in the Die-making Industry.

  • Pneumatic pliers significantly improve the efficiency of the welding process following the forming stage of automatic steel rule bending machines. Compared to traditional manual screw clamping pliers, pneumatic pliers utilize compressed air to achieve instant clamping and release. This significantly reduces the time required for workpiece replacement and clamping, markedly improving fixture utilization and welding efficiency per unit time. It also includes a foot-operated pedal as a one-touch switch, allowing operators to position the steel rule to be welded using both hands and foot while simultaneously operating the welding torch.
  • Pneumatic pliers can also improve the stability of the clamping steel rules to increase welding precision. The pneumatic pliers system provides stable, uniform clamping force. This ensures that the workpiece(bent steel rule) does not undergo even slight displacement or vibration throughout the welding process (such as laser welding). Thereby guaranteeing the precision,consistency and dependability of the weld seam.
  • Compared to manual steel rule pliers, pneumatic pliers are controlled by cylinders. This enable automated and integrated welding applications. We can connect the cylinder switch signal of the pneumatic pliers to the control board of the automatic laser welding machine. This allows the laser welding machine to control the sequence and timing of clamping and releasing through programming.  This makes fully automatic or semi-automatic welding of die steel rules come true.
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