Automatic drilling machine

A custom built system that drills multiple holes into aluminium profile.

A custom built system that drills multiple holes into aluminium profile.
Those particular angle rods are being produced in large quantities and used as mounting material for solar panels.

Details

  • Power supply: 230 V 3000 W
  • Compressed air supply: 4-10 bar
  • Features:
    • Minimum quantity lubrication for drills
    • 2-hand operation (for safety)
    • Maintenance free bushings
    • Extendable (more drills possible)
    • Universal (adjustable for other parts)

image Rear side of the machine

Components

Mechanical

  • Frame: “Item” Aluminium profile
  • Guides:
    • 2x 28 mm Steel rods
    • 4x 25x28x25 mm Teflon bushings
    • 2x 3d-printed adapter
  • Mounting material:
    • 3d-printed brackets
    • Various custom angle-iron parts
  • 2x Adjustable damper

image Right guide assembly

Pneumatic

  • Actuators:
    • 2x Pneumatic cylinder ETMAL25x100 (move portal)
    • 2x Single acting cylinder (clamp part)
    • 3x minimum quantity lubrication component
  • Valves:
    • 1x 5/2 way valve (lifting cylinders)
    • 2x 3/2 way valve (clamping cylinders, lubrication)
    • 1x pressure regulating valve (4 bar)
    • 4x throttle valve
  • Various fittings

image Pneumatic system

Control

  • 1x Control relay (save state ‘clamped’)
  • 1x Power relay (drills)
  • 1x Time delay relay (lubrication)
  • 1x Limit switch (top position)
  • 1x toggle switch (automatic / manual lubrication)
  • 2x Push button (2 - hand operation)
  • 3x LED signal lamp
  • 1x Power supply DC 24V 3A

image Control box

Videos

First test

2021.11.15

Dry run

2022.01.13

Drilling action

2022.01.13

Gallery