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Used Robland BM21 Semi-Automatic Borer

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About the Used Robland BM21 Semi-Automatic Borer

A chance to own a used Robland BM21 Semi-Automatic Borer. The Robland BM21 boring machine is a semi automatic 21 spindle drilling machine. The machine has the capability to receive bits with cylindrical attachment dia 10 mm. Also two in line clamps keeps the work pieces secure when drilling. Overall this is a good quality well built machine that shows exceptional value for money.

Used Robland BM21 Semi-Automatic Borer Features

Tick bullet point Quick change spindles
Tick bullet point Boring unit 21 spindles
Tick bullet point Pneumatic cylinder for horizontal/vertical positioning of the boring group (45°)
Tick bullet point Front/top calliper to obtain the same boring measure between horizontal and vertical position
Tick bullet point Side stops adjustable by metric scale and nonius and magnifying lens on each stop
Tick bullet point 2 saftey clamps inclined 4 degrees
Tick bullet point 6 position turret to adjust the drilling depth
Tick bullet point Height regulation of the boring group by mechanical digital position indicator
Tick bullet point Automatic vertical-horizontal depth difference device (10mm)
Tick bullet point Drilling speed adjustment from the control panel
Tick bullet point Strengthened steel structures for tiling the boring group
Tick bullet point Start/stop electro pneumatic circuit by means of the foot pedal
Tick bullet point Profile aluminium bar 3000mm, complete with 4 stops

Used Robland BM21 Semi-Automatic Borer Specification

Tension 400v
Weight 290Kg
Multi borer - Spindles 21
Quick change spindles Can be added
Alu fence 3000 mm with 4 stops Standard
Center distance between each spindle 32mm
Total center distance first and last spindle 640mm
Maximum depth of hole 70mm
Rpm spindle 2800
Working table dimensions 854mm x 500mm
Max. dimensions of work piece 800mm x 3000mm
Pressure 6-8 Bar
Motor power 2.5 pk/cv (1.85kw)