QC-46 Tool Changer


The QC-46 Tool Changer weighs only 6.5 lb. (3 kg) and has a very low stack height of 2.61 in. (66 mm) while using the same proven locking mechanism as the previous QC-40Q Series Tool Changer.


This robotic tool changer handles payloads up to 110 lb. (50 kg) and allows up to 0.1 in. (2.5 mm) of plate separation when locking and can accommodate up to seven separate utility modules to handle a large variety of signals, fluid, air, and other requirements.


Additional features include optional internal Lock/Unlock sensing and direct mount to robots with a 4 in. (100 mm) ISO pattern.


  • Suggested Payload Limit: 110 lb. (50 kg)
  • Locking Force @ 80 psi (5.5 bar): 1,300 lb. (5,800 N)
  • Static Moment Capacity (X & Y): 2,000 lbf-in (226 Nm)
  • Static Moment Capacity (Z): 1,330 lbf-in (150 Nm)
  • Positional Repeatability - (X, Y, & Z): 0.0006 in. (0.0152 mm)
  • Weight - when coupled: 6.57 lb. (2.98 kg)
  • Master Weight: 4.31 lb. (1.95 kg)
  • Tool Weight: 2.26 lb. (1.03 kg)
  • Maximum distance between Master & Tool plate before locking at 87 psi (6 bar): 0.1 in. (2.54 mm)


  • The QC-46 utilizes the same proven locking mechanism as the QC-40Q Series Tool Changer
  • No-Touch locking technology allows up to 0.1 in. (2.54 mm) plate separation when locking.
  • Patented Fail-Safe locking mechanism design results in a low force acting on the piston.
  • All locking components are made of RC58 stainless steel.
  • Mounts directly to 100 mm ISO mounting pattern. Also supports additional mounting patterns (see drawing).
  • Internal, optional Lock and Unlock sensing.
  • Alignment features in Tool Changer body for greater torsional strength and better serviceability.
  • Four (4) flats available for optional utility modules. Flat C has center/dual module mounting which allows up to two modules without an adapter.
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