| 
                               | 
                               | 
                            
							
                              | Designation | 
                              UNIT | 
                              DHRG 500  | 
                            
                            
                            	| CAPACITY | 
                            	  | 
                            	  | 
               	
                            
                              Diameter of magnetic chuck                                	 | 
                              mm | 
                              500 | 
                            
                            
                            	| Max working height under a new wheel  | 
                            	mm | 
                            	100 | 
               	
                            
                            	| Swing inside table guard  | 
                            	mm | 
                            	550 | 
               	
                            
                            	| TABLE | 
                            	  | 
                            	  | 
               	
                            
                            	| Effective diameter of magnetic chuck  | 
                            	mm | 
                            	420 | 
               	
                            
                            	| Table swivel from horizontal  | 
                            	r.p.m | 
                            	50 ~ 250  | 
               	
                            
                            	| Vertical travel  | 
                            	mm | 
                            	0.4 / 0.002 | 
               	
                            
                            	| Automatic infeed a mount  | 
                            	mm | 
                            	0.002 ~ 0.02 10steps | 
               	
                            
                            	| Table swivel from horizontal  | 
                            	deg | 
                            	±3° (±5° : option)   | 
               	
                            
                            	| Vertical travel | 
                            	mm | 
                            	160 | 
               	
                            
                            	| GRINDING WHEEL  | 
                            	  | 
                            	  | 
               	
                            
                            	| Grinding wheel size  | 
                            	mm | 
                            	305 X 38 X 127  | 
               	
                            
                            	| Min. gringing wheel diameter  | 
                            	mm | 
                            	250 | 
               	
                            
                            	| Wheel spindle speed  | 
                            	r.p.m | 
                            	1750 | 
               	
                            
                            	| WHEEL HEAD RAM  | 
                            	  | 
                            	  | 
               	
                            
                            	| Max. ram horizontal travel  | 
                            	mm | 
                            	280 | 
               	
                            
                            	| Ram speed(Hyd, inf, Variable)  | 
                            	m/min | 
                            	0.3 ~0.5  | 
               	
                            
                            	| MOTORS | 
                            	  | 
                            	  | 
               	
                            
                            	| Wheel spindle motor  | 
                            	kw | 
                            	7.5(4p) | 
               	
                            
                            	| Hydraulic pump motor  | 
                            	kw | 
                            	2.2(4p) | 
               	
                            
                            	| Table vertical feed motor  | 
                            	kw | 
                            	0.4 | 
               	
                            
                            	| Spindle lubrication pump motor  | 
                            	kw | 
                            	0.1(4p) | 
               	
                            
                            	| Dust collector, coolant pump & separator  | 
                            	kw | 
                            	0.4, 0.18, 0.025  | 
               	
                            
                            	| Table drive motor(INVERTER)  | 
                            	kw | 
                            	0.75 | 
               	
                            
                            	| PHYSICAL DATA  | 
                            	  | 
                            	  | 
               	
                            
                            	| Main machine (L X W X H)  | 
                            	mm | 
                            	2285 X 710 X 1590  | 
               	
                            
                            	| Net weight(Approx)  | 
                            	kg | 
                            	2700 | 
               	
							
                               | 
                               | 
                               |