Lock testing machines are custom built to test life cycles of a variety of assemblies. Life cycle tests include key insertion and removal, cylinder rotation, door knob/lever functions, latch function. Machines can be programmed to monitor torque and force. Any functions you want to test can be added into this machine. Put the PARTs in the Environment box, which is connected with the testing machine, you can get all the data you need, like the strength, the durability, the torque value….