JK400 lock the machine 

 I. Introduction 
 JK400-type lock of the machine is mainly used in mechanical engineering in the withholding of high pressure hose assembly process can also be withheld two-way elbow, elbow and large shaped head. 
 The machine compact and lightweight, powerful, low noise, easy to operate. The amount withheld by the scale of precision adjustment. 
 Compound double bevel eight mold base coupled with high-precision guiding device, so that after the pipe hoop Equal withhold more uniform appearance. 

 Second, the main technical characteristics 
 Withheld Range: Φ6-Φ64mm 
 Maximum deduction pressure: 520 tons 
 Scale Accuracy: 0.02mm 
 Rated pressure: 25 MPa 
 Motor power: 5.5 KW 
 Pump Displacement: 10 ml / rad (380V) 
 Dimensions: 710 (L) × 500 (W) × 810 (H) mm