HK-4A is made up of the following sections:
a)     Hand knob: It is convenient to equip, take apart and move the carriage.
b)     Motor: It is power unit of carriage and welding.
c)      X-Y trimming slide blocks: It is convenient to adjust the blowtorch up and down or left and right.
d)     Holder of blowtorch: It can hold the blowtorch and adjust the angle of blowtorch easily.
e)     Position switch: When the carriage goes to the end of work, it will contact the position switch and stop.
f)       Permanent magnet: It can absorb to the surface of work in case of damaging the machine and falling from the welding line.
g)     Electric cabinet: To control the movement of carriage. Please refer to control panel manual
                                                    
                                                
                                             
                                            
                                                
                                                    
                                                        
                                                        
                                                            | Driving mode | Four-rubber driving | 
                                                       
		                   
                                                        
                                                            | Outline dimension | 193mm(L)× 181mm(W) × 221mm(H) | 
                                                       
		                   
                                                        
                                                            | Walking speed | 0~1500mm/min | 
                                                       
		                   
                                                        
                                                            | Blowtorch | CO2 blowtorch | 
                                                       
		                   
                                                        
                                                            | Source | AC 220V |