2000 TARNOW RUP-28 UNV CYLINDRICAL GRINDER,  INTERNAL ATTACHMENT, 12" | 
            
            
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	| Stock Code:  | 
	TK-20451 | 
            
                | Price:  | $RFQ | 
            
            
                | Subcategory:  | Cylindrical Universal Grinders | 
            
            
                    
                        | Swing:  | 12" | 
                    
                
                    
                        | Centers:  | 20" | 
                    
                
            
	| Year of Manufacture:  | 
	2000 | 
            
	| Manufacturer:  | 
	Tarnow | 
            
	| Model:  | 
	RUP-28 | 
            
                | Condition:  | Used | 
            
        
    
        
        
            SPECIFICATIONS
MAXIMUM SWING OVER TABLE:	12”
MAXIMUM OD GRINDING DIAMETER:	11”
MAXIMUM DISTANCE BETWEEN CENTERS:	20”
MAXIMUM WORKPIECE WEIGHT IN CENTERS:	270 LBS
MAXIMUM WORKPIECE WEIGHT IN CHUCKS:	44 LBS
GRINDING WHEEL
DIMENSIONS:	16” X 2” X 5”
MINIMUM WORN GRINDING WHEEL DIAMETER:	10.25”
GRINDING WHEEL SPINDLE SPEEDS:	1,850 – 2,180 RPM
MAIN DRIVE MOTOR:	7.5 HP
WHEELHEAD
SWIVEL ANGLE TOWARD FOOTSTOCK/WORKHEAD:	30°/30°
HANDWHEEL FEED STROKE:	6-3/8”
ADDITIONAL TRAVEL OF SLIDE PLATE:	2.36”
AUTOMATIC RAPID FEED STROKE:	2”
DISPLACEMENT OF WHEEL HEAD
PER REVOLUTION OF HANDWHEEL:	.04”
PER ONE GRADUATION OF HANDWHEEL:	.0001”
PER ONE GRADUATION OF FINE FEED KNOB:	.000020”
INFEED RANGES
COARSE:	.012” - .236”
FINE:	.003” - .118”
AUTO INFEED RANGE AT TABLE REVERSAL:	.001” - .0015”
INTERNAL GRINDING ATTACHMENT
MAXIMUM ID DIAMETER:	7-7/8”
MAXIMUM GRINDING LENGTH:	4-3/4”
SPINDLE SPEED RANGES (4):	5,706/8,560/10,000/15,000
		17,120/30,000 RPM
INTERNAL GRINDING MOTOR:	1.5 HP
WORKHEAD
SWIVEL ANGLE TOWARDS OPERATOR/WHEEL:	30°/90°
CENTER TAPER:	MT 4
SPINDLE HOLE DIAMETER:	.86”
SPEEDS, LOW RANGE:	50/70/185/255 RPM
SPEEDS, HIGH RANGE:	100/140/375/520 RPM
TABLE 
SWIVEL ANGLE TOWARDS WHEEL/OPERATOR:	12°/5°
TRAVESE SPEED, INFINITELY VARIABLE:	75 – 4,000 RPM
MINIMUM AUTOMATIC TRAVEL:	1/8”
SPARK OUT TIME, CONTROL RANGE:	0 – 10 SECONDS
HYDRAULIC FOOTSTOCK
MAXIMUM SPINDLE RETRACTION:	1”
CENTER TAPER:	MT 4 
MANUAL QUILL TRAVEL:	5/8”
GENERAL 
EQUIPPED WITH
SONY 2-AXIS DRO 
INTERNAL GRINDING ATTACHMENT
COOLANT SYSTEM WITH MAGNETIC SEPERATOR
CENTERS
        
        
            
         
        
            This machine is listed for sale by  
            located in Bethlehem, Pennsylvania