Đế Máy Khoan Bàn Có Chân Không Cho Makita XPH07Z

Another Portable Drill Press, designed around the makita drill XPH07Z . 

It can be used with a vacuum pump to hold the position, even horizontally. The base can be used to drill round stock with its vee-groove. Makita small router base accessories can be used.

2 knobs on the base lock the drill midway.

Note: the depth stop is still WIP

Base compatible with 

• The base dimension are derived from the 3d model on grabcad
• 4 base holes match the diagram page 5 of the Festool MB40 instruction manual to mount the base on fixtures.
• 27mm cleantec festool hose to collect dust.
• 2 additional M5 holes allow attachment of accessories to the base

Setup

• Vacuum Pump used: Festool 201064 VAC PMP and European quick disconnect
• Pneumatic Foot Pedal Valve With lock
• Air hoses and brass coupling

BOM:

• 2 12mm x 300mm Motion Rods : larger size that fits comfortably in a systainer
• 2 LM12UU ball bearings
• 1 1/4-Inch NPT Male Air Coupler
• 6 m4x10mm knobs
  • 4 to hold makita accessories rails 
• 3d print inserts: 
  • 6 m4x6mm 
  • 2 m4x10mm (to secure the arms around the drill)
  • 3 m5x6mm
• to secure the drill to the holder
  • 2 m4x15mm countersink screws
  • 1 m5x25mm Button Head Socket Cap Screw
• 1/8 rubber seal
• 2 1.2x15m(OD) x100 mm springs (optional)

Printing: 

• Carbon infused PETG filament for dimensional stability.
• Base: There were many failures, as the base needs to be really air tight for the vacuum pump to work. Based on a prusa blog post on watertight models, air thighness was reached by printing with .15mm layer, piece standing up, with 4 perimeter layers. Seals are glued to base, following instruction for a CNC Vacuum hold; using 90A TPU as seal did not work. Area around rods the inserts and the air coupler are printer with a denser infill.
• Holder: A pause is added to the gcode to insert the ball bearings.