T-shaped Groove Large Bottom PlateAlso Known As The T-shaped Groove Bottom Plate Of The Test Bench, It Is The Basic Workbench For Comprehensive Strength Performance Test Benches For Car Seats, Transmission Loading Test Benches, Tunneling Machine Loading Test Benches, Coal Mining Machine Loading Test Benches, And Other Test Benches. The T-shaped Groove Bottom Plate Is Made Of Cast Iron HT250, With A Working Surface Hardness Of HB170-210. The Comprehensive Test Bench For The Strength Performance Of Car Seats Mainly Consists Of A Headrest Impact Test Bench, A Seat And Headrest Assembly Strength Test Bench, A Seat Belt Fixing Point Test Bench, And A Seat Frame Performance Durability Test Bench; Four Devices Can Be Independently Tested And Installed On The Same T-shaped Slot Bottom Plate; Complete Various Testing Of The Seat; The Entire System Consists Of A T-shaped Large Slot Board, Four Part Test Bench, Distribution Cabinet, Computer Control Cabinet, Etc; Control Cables Are Connected Between Each Component Through Aviation Plugs; Can Be Easily Separated; The Bottom Of The Computer Control Cabinet Is Equipped With Self-locking Casters, Which Can Be Easily And Freely Moved.