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FlexFast™

Fastener Welding Excellence

CenterLine's FlexFast™ Welder is capable of satisfying fastener welding applications requiring up to 8000 lbs (35.5 kN) of weld force. The FlexFast is the most adaptable and practical resistance welder available to industry today.    

With the FlexFast™, CenterLine has redefined modular welding machine designs and created a turnkey product that can be as flexible or dedicated as you need. Whether you are integrating the base model or configuring a custom welder with CenterLine's wide choice of available options, the FlexFast™ Welder is your solution to virtually any welding need.


 
 
The FlexFast is well suited to all forms of fastener welding (nut and stud). It can also easily satisfy other joining needs and be installed as either a dedicated station or as part of a fully automated production system; you decide.
Several innovative standard and optional features make the FlexFast™ the smart choice for your resistance welding needs;
these include:
  • Common frame design for all FlexFast models
    A modular platform enables the FlexFast family of welders to be offered in a wide range of configurations.
    It is designed to easily accommodate nut feeding, sensing components, and other automation features to customize the welder.
  • Quick change servicesA CenterLine FlexFast stationary welder
    The tool-less quick change enables tooling and electrode changeover in less than 5 minutes including service connections. Lightweight fixture design eliminates the need for change over lift assist (application dependent). Many platen sizes for single or multiple part needs.
  • Single or dual, MFDC transformers
    To satisfy virtually any nut weld application. Simplifies upgrades and modifications that may be required for new applications or programs. 
  • Component options from industry leading suppliers
    Transformers, controls, plumbing and valving brands can be supplied to match existing plant specifications.
  • Fully compliant with ISO, OSHA and CSA standards
    Robust, dependable and proven design features that meet or exceed established industry standards.
  • Low impact operation
    Reduces part damage/scrap, minimizes equipment and tooling wear, improves the life of weld consumables.
  • Accommodates manual or robotic integration
  • Incorporates CenterLine’s VeriFast™ fastener detection technology
  • Robust construction and modular design enables re-tooling for new projects
  • Over 1000 FlexFast welders built

FlexFast™ Welder Comparison Chart

  CLCS FlexFast Lite FlexFast Standard FlexFast HD FlexFast HD Window
Actuator Options OHMA Air/Oil (single or dual) OHMA Air/Oil (single, dual or triple), Servo, Pneumatic OHMA Air/Oil (1-8 cylinders), Servo, Pneumatic OHMA Air/Oil (1-8 cylinders), Servo, Pneumatic
Fixed Weld Actuators
(Manual Position Adjustment)
2 maximum 4 maximum 8 maximum 8 maximum
Programmable Weld Positioner Not Available 2 max., 300mm travel/each
(side-to-side)
4 max., 300mm travel/each
(side-to-side)
4 max., 300mm travel/each
(side-to-side)
Maximum Welding Force 13.3kN (3,000lbs) 35.6kN (8,000lbs) 70kN (16,000lbs)  70kN (16,000lbs) 
Max. Tooling Platen Size
(width and depth)
152mm x 460mm 225mm x 500mm 225mm x 800mm
225mm x 1,400mm 
225mm x 800mm
or 225mm x 1,400mm 
Working Envelope 400mm wide
Lower platen fixed
200mm x 400mm 200mm x 1,400mm 200mm x 800mm
or 200mm x 1,400mm 
Throat Depth 320mm or 600mm
(12.6" or 23.6")
410mm
(16.1")
410mm
(16.1")
Unlimited
Throat Height Range (Barrel to Platen) 421mm (16.6") 402mm (15.8") 402mm (15.8") 466mm (18.3")
Interchangeable Tooling Platen
Automatic "Locate & Lock"
Interchangable tooling,
fixed lower electrodes
Fixed or 200mm programmable
(front-to-back)
Fixed or 200mm programmable
(front-to-back)
Fixed or 200mm programmable
(front-to-back)
Transformers MFDC: Size 2, 3, 4 MFDC: Size 2, 3, 4, 6 MFDC: Size 2, 3, 4, 6 MFDC: Size 2, 3, 4, 6
Dual Station Machine Not Available Any combination of the FlexFast Standard, FlexFast HD and FlexFast HD Window Any combination of the FlexFast Standard, FlexFast HD and FlexFast HD Window Any combination of the FlexFast Standard, FlexFast HD and FlexFast HD Window
 
Contact us to find out more about our FlexFast™ welders.
 

DO YOU KNOW

How many fasteners are welded with CenterLine custom equipment and welding gun packages?

Since Jan 1, 2017
18,534,130,285

Past 7 days
57,393,706

Past Hour
341,629


DO YOU KNOW

How many fasteners are welded with CenterLine custom equipment and welding gun packages?

Since Jan 1, 2017
18,534,130,285

Past 7 days
57,393,706

Past Hour
341,629

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