Sharp Industries 220V 47.2” x 78.7” SHDC-47 Series Double Column Surface Grinder SHDC-4780

Description

For extra large and heavy work piece the double column surface grinder is ideal for large plate, die mold, and ceramic plates. The different models available can grind workpieces of up to 20 ft (6,000 mm) long and 5 ft (1,500 mm) wide with high accuracy.

Standard Features

• 47″ wide table, 55″ cross travel
• Table length: from 78.7″ to 5″
• Longitudinal travel: from 84.6″ to 4″
• Automatic lubrication system
• Oil temperature control
• Bedway length is twice that of table length gives full support for the entire travel of the table, no table overhang
• Bedway is designed with 2 v ways for perfect alignment of table travel, TURCITE coated to retain oil and resist friction
• Cartridge type oil filter is easy for maintenance                                                                 
• Hydraulic table movement has two (2) sets of cylinders and piston rods deliver even and powerful table motion                                                                
• Hydraulic table movement has  free standing hydraulic system with special valve to eliminate table reversal shock                                                                   
• Cross beam ways are dovetail ways for perfect alignment of cross travel, equipped with gibs for future adjustment                                                                       
• 25 hp spindle motor delivers full power for heavy grinding jobs                                                                  
• Servo motor driven  ballscrews on cross feed and down feed                                                                      
• Nc spindle downfeed system (with ballscrew) has electronic handwheel (mpg)   
• Criss cross grinding attachment                                
• Wheel with balancer, arbor, flange                                          
• Auto compensation, auto dressing (nc servo downfeed pkg)                                        
• Electronic cross feed control, ac motor cross feed                                            
• Table mounted dresser                                
• 2 axes digital readout system                                    

Specifications

• Table Travel: 55” x 84.6”
• Spindle Center to Table Surface: 43.3”
• Clearance Between Columns: 55.1”
• Working Surface: 47.2” x 78.7”
• Longitudinal Hydraulic Table Feed: 78.7-984 ipm
• Feed:
  • Intermittent Cross Feed: 0.004-1.38”
  • Continues Cross Feed: 118 ipm
  • Feed per Graduation: 0.0008”
  • Feed per Revolution: 0.2”
• Vertical Travel:
  • Feed per Division: 0.0004”
  • Rapid Traverse: 9.8 ipm
• Wheel Size (OD x Width x ID): 20” x 3.94” x 8”
• Horizontal Spindle Motor: 15 HP
• Hydraulic Motor (Longitudinal): 10 HP
• Spindle Speed: 1,150 rpm
• Approximate Weight: 31,900 lbs
• Machine Dimensions: 20.33’ x 9.5’ x 11.16’
• Power Consumption (220V): 20 KVA

Available Options & Accessories

• 440V Option Available
• Electro Magnetic chucks (4 sets) with rectifiers
• Spare wheel flange
• Auto paper filter with magnetic separator (300 l tank)
• Servo cross feed and spindle down feed with MPG
• Linear guideway on cross feed, spindle downfeed