Bolt checking machine

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YJZ-500A Intelligent High Strength Bolt Detector
The machine can automatic estimate the bolt pretension, average pretension, torque coefficient, standard deviation etc., with functions like data setting, save, display etc. Equiped with PC connection.

Specification & parameter:
1. Voltage: 220V AC
2. Axis force detecting range: 30-500kN
3. Bolt spec.: M12-30
4. Bolt length: 60-280mm
5. Axis force precision: ±1.0%
6. Torque precision: ±1.0%
7. Loading method: For manual controled user will equip with electric wrench.

YJZ-500D Automatic High Strength Bolt Detector
This machine is a top classic bolt detector in China, can be automatic loading and very easy to operate. After put the item onto the machine, it will automatic run until detecting finish, then will automatic reposition the system. The machine can automatic estimate the bolt pretension, average pretension, torque coefficient, standard deviation etc. Equiped with PC connection.

Specification & parameter:
1. Voltage: Loading system: 380V AC, Control system: 220V AC
2. Axis force detecting range: 200-500kN
3. Bolt spec.: M12-30
4. Bolt length: 60-280mm
5. Indication error:±1%
6. Relative resolution: ≤0.5%
7. Repeatability:0.1%
8. Long-term stability: ±1.0%
9. Memory capacity: 16k

YJZ-500E Automatic High Strength Bolt Detector
This machine is a new item based on YJZ-500D, with our test software, can be connected to the computer.

Specification & parameter:
1. Voltage: Loading system: 380V AC, Control system: 220V AC
2. Axis force detecting range: 200-500kN
3. Torque detecting range: 10-2000n.m.
4. Test & detecting precision: Axis force: ±1.0%, Torque: ±1.0%
5. Bolt length: 60-280mm
6. Bolt spec.: M12-30
7. Automatic loading

Slip Coefficient detector
This machine is detecting slip coefficient of big hexagon head high strength bolt connect sets (M16, M20, M22, M24, M27, M30) and shear-torsion high strength bolt connect sets (M16, M20, M22, M24, M27). The machine is with 4 physical channels, 6 sets (24) logic channels. With functions of data backup and recovery, and equiped RS232 connection for PC.

Specification & parameter:
1. Axis force detecting range: 30-400kN
2. Resolving power:±0.1kN
3. Indication error: ±1%
4. LCD display