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Strongest, most reliable, with unmatched repeatability.

The ATI Robotic Tool Changer provides the flexibility to automatically change end-effectors or other peripheral tooling. These tool changers are designed to function reliably for millions of cycles at rated load while maintaining extremely high repeatability. For this reason, the ATI Tool Changer has become the number-one tool changer of choice around the world.
ATI Tool Changer models cover a wide range of applications, from very small payloads to heavy payload applications requiring significantly large moment capacity.
What is a Robotic Tool Changer (QC)? An end-effector with two mating parts, a Master-side and a Tool-side that have been designed to lock or couple together automatically, carry a payload, and have the ability to pass utilities such as electrical signals, pneumatic, water, etc. Most robot couplers use pneumatics to lock the Master- and Tool-sides together. The Robot Tool Changer provides the flexibility for any automated process to change tools and pass various utilities. The Master-side of the Tool Changer mounts to a robot, CNC machine, or other structure. The Tool-side of the Tool Changer mounts to tooling, such as grippers, welders, or deburring tools. A Robot Tool Changer is also known as a Quick-Change device (QC), an automatic tool changer (ATC), robot tool changer, robot coupler, robotic coupler, or robotic connector.
Robotic/Automatic Tool Changers
Model Suggested Payload Limit Locking Force @ 80 psi (5.5 bar) Static Moment Capacity (X & Y) Static Moment Capacity (Z) Pneumatic Passthrough (Quantity) Size Application
QC-1 1.4 kg 170 N 0.983 Nm 1.15 Nm (4) M5 or #10-32 General Use
QC-7 16 kg 980 N 20.3 Nm 12.4 Nm (5) M5 or #10-32 General Use
QC-11 16 kg 1100 N 20.3 Nm 12.4 Nm (6) M5 or #10-32 General Use
QC-11 Hollow-Wrist 16 kg 1100 N 20.3 Nm 12.4 Nm See drawing Hollow Wrist Robots
QC-18 18 kg 56.5 Nm 78 Nm Electric Actuation
QC-20 25 kg 2300 N 56.5 Nm 35 Nm (12) M5 or #10-32 General Use
QC-20 Hollow-Wrist 25 kg 2300 N 56.5 Nm 35 Nm See drawing Hollow Wrist Robots
QC-21 25 kg 2300 N 56.5 Nm 35 Nm (8) 1/8 NPT; G 1/8 (BSPP) General Use
QC-21 Hollow-Wrist 25 kg 2300 N 56.5 Nm 35 Nm See drawing Hollow Wrist Robots
QC-22 25 kg 2300 N 56.5 Nm 90.4 Nm (6) 3/8 NPT Increased Air Flow
QC-27 Hollow-Wrist 38 kg 3500 N 84.7 Nm 99.4 Nm (8) G 1/8 (BSPP) Thru Hole
QC-29 35 kg 2900 N 56.5 Nm 78 Nm (2) 1/8 NPT, (4) #10-32 OR (2) G 1/8 (BSPP), (4) M5 General Use
QC-40Q 50 kg 5600 N 226 Nm 226 Nm (8) 1/8 NPT General Use
QC-46 50 kg 5800 N 226 Nm 150 Nm General Use
QC-50 50 kg 5800 N 226 Nm 226 Nm (16) M5 and (4) 1/8 BSPP Increased Air Ports
QC-76 100 kg 12000 N 542 Nm 701 Nm (5) 3/8 NPT General Use
QC-110 150 kg 12000 N 784 Nm 784 Nm Standard QC-110 has (8) 3/8 NPT and G14 has (8) G 1/4 (BSPP) General Use
QC-160 300 kg 31000 N 2710 Nm 2260 Nm (5) 3/8 NPT; (4) 1/2 NPT General Use
QC-113 150 kg 12000 N 784 Nm 565 Nm General Use - Custom Bolt Pattern
QC-210 300 kg 31000 N 2710 Nm 2260 Nm General Use
QC-213 300 kg 31000 N 2710 Nm 2260 Nm General Use - Custom Bolt Pattern
QC-310 510 kg 38000 N 3290 Nm 3160 Nm General Use
QC-313 510 kg 38000 N 3290 Nm 3160 Nm General Use – Additional Module Flats
QC-510 700 kg 62000 N 4860 Nm 3500 Nm General Use
QC-835 300 kg 21000 N 2000 Nm 1200 Nm (1) G1/2 (BSPP)
QC-850 700 kg 48000 N 3510 Nm 2110 Nm (1) G1/2 (BSPP)
QC-1210 1350 kg 93000 N 5420 Nm 5420 Nm General Use
QC-1310 2990 kg 110000 N 11000 Nm 12600 Nm General Use
QC-1510 4080 kg 190000 N 16300 Nm 13900 Nm
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