Sharp Industries 440V 3 HP Radial Drill RD-820

Description

This is a high-performance machine ideal for drilling, tapping, boring, reaming, lapping, screwing, counter boring, spot facing, and much more, on materials such as cast iron and steel.

Standard Features

• 8.29” column diameter
• MT#4 spindle, 3 HP motor
• 33.46” column to spindle center
• Drilling : 1.968” cast iron, 1.259” steel
• Boring : 4.125” cast iron, 2.75” steel
• Hardened and ground arm slide ways and gears
• Arm elevation controlled by electric motor
• Manually operated arm, head, clamping
• Counter balanced spindle (spring action) to increase durability
• Safety device prevents arm from dropping even when bronze nut is worn out
• T-slots and drain channels on box table
• Box table                            
• Coolant system                
• Auto spindle reverse for tapping                              
• Work light                          
• Tool box                                              

Specifications

• Diameter of column: 8.29”
• Distance from column surface to spindle center, max.: 33.46”
• Distance from column surface to spindle center, min.: 9.06"
• Travel of spindle head: 25.2”
• Distance from base surface to spindle end, max.: 47.64”
• Distance from base surface to spindle end, min.: 14.76”
• Elevating height of arm: 24.61”
• Effective area of table: 23.62” x 17.52” x 14.96”
• Dimensions of base: 49.21” x 25.20” x 6.30”
• Taper hole in spindle: MT #4
• Stoke of spindle: 8.27”
• R.P.M. of spindle (rpm range x steps): 73-1247 x 6 Steps
• Feed of spindle (1PR x steps): 88-1500 x 6 Steps
• Main motor: 3 HP
• Elevating motor: 1 HP
• Clamping motor for column and gear-box (HP): Manual Clamp
• Clamping motor for arm (HP): Manual Clamp
• Coolant pump: 1/8 HP
• Machine height from floor, max.: 91.34”
• Measurement (LxWxH): 66” x 32” x 87”
• Approximate shipping weight: 2976.25 Lbs.
• Cast Iron:
  • Drilling: 1.97”
  • Capacity Tapping: 1.26”
  • Boring: 4.17”
• Steel:   
  • Drilling: 1.26”
  • Capacity Tapping: 0.98”
  • Boring: 2.75”
• Total Power Consumption (440V): 5KVA/7.5 amps

Available Options & Accessories

• Tilting Box Table