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Manual Multi-spindle Drilling Machine, Model Rb-m-1x7 Duplex-drill-3000

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The multi spindle Drilling machine consist of a Pedestal drill fitted with 1 off drilling head with 7 off #2 Morse Taper Spindles with 50mm center-to-center pitch (In-Line), ER20 style with collets for 5mm drills. The table arrangement allows for loading and unloading from both sides by a loader whilst drilling is in progress. The machine is supplied with hardened steel strips installed on the table to reduce wear.

Specifications:
Maximum Length of Bars3 meters
Pin DiameterØ4 to Ø5mm
Number of Spindles7
Spindle Type#2 Morse Taper
Spindle Center-to-Center Pitch      50mm (In-Line)
Collet TypeER20 style
Drilling Capacity5mm drills
Table LoadingDual-sided loading station
Table FeaturesHardened steel strips for reduced wear


Typical Production Output:

Based on Ø20mm bars x 2m long at 5kg each, produced on a single 8-hour shift basis for 22 workdays per month at a 70% efficiency with one loader/operator/unloader (of bars fitted with nuts).


Typical Drilling Cycle Time20 seconds for 7 bolts
Index & Load Time to Next Drill     40 seconds, in parallel to loading & unloading
Overall Cycle Time60 seconds for 7 bolts (at 100% efficiency)
Production Rate per Day2,300 bolts per 8-hour shift at 70% efficiency
Production Rate per Month250 tons per month (for 22 single-shift days at 70% efficiency)
Manpower2 persons (1 operator and 1 loader/operator)

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