Microcomputer-controlled constant stress pressure tester (2000KN/3000KN)

2. Main technical parameters of microcomputer-controlled constant stress pressure tester (2000KN/3000KN)

(I) Host parameters:

Frame structure: back-shaped, integral casting frame;

Frame material: QT500-7;

Maximum compression space (mm): 320;

Frame effective span (mm): 550;

Piston diameter (mm): 3000kN is Φ370;

Maximum piston stroke (mm): 120;

System pressure (Mpa): 28;

Total height of the pad (mm): 200;

Upload plate size (mm): φ300;

Down pressure plate size (mm): φ320;

Maximum speed of piston no-load movement (mm/min): 40;

Servo motor power (kW): 3;

Position limit mode: upper limit;

Space adjustment method: pad adjustment;

(II) Measurement parameters:

Maximum test force (kN): 3000;

Test machine level: level 0.5;

Effective measurement range of test force: 2%-100%F.S;

Test force resolution: 1/50000 of the full scale (there is only one resolution of the entire scale, no grid);

Test force measurement accuracy: better than ≤±0.5%;

Displacement measurement resolution: 0.01mm;

Displacement measurement accuracy: better than ≤±0.5%;

(III) Control parameters:

Force control speed range: 0.001%～5% FS/s;

Force control maintenance accuracy: ±0.002%F.S;

Deformation control speed range: 0.001%～5% FS/s;

Deformation control maintenance accuracy: ≤±0.002%F.S;

Displacement control speed range: 0.01～40mm/min;

Displacement speed control accuracy: ≤±0.2%;

Displacement control maintenance accuracy: ≤±0.02mm;

Control methods: force closed-loop control, deformation closed-loop control, displacement closed-loop control;

(IV) Servo oil source parameters:

Main system pressure (Mpa): 28;

Maximum flow rate of oil pump (L/min): 5;

Oil filter oil filter accuracy (μm): 10;

Servo motor power (kW): 3;

Height from the ground (mm): 750;

Material and color of the operating countertop: solid psychological board, black;

Fuel tank capacity (L): 80;

(V) Parameters of the whole machine:

Host dimensions (mm): 700×630×1850;

Oil source dimensions (mm): 1200×680×750;

The weight of the whole machine (kg): about 1900;

Total power supply: three-phase, four-wire, 380V/50HZ, 3.5KW.