CNCCMV2/CAD: Difference between revisions

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=Block Uniformity=
*Keep 2 block dimensions same for all blocks
*Based on the conceptual design, 1 of the block dimensions will solely be used to fit the diameter of the leadscrews, precision shafts, and sleeve bearings.
*The other block dimension to be uniform will mostly support the part by its length on precision shafts.
*For accommodating leadscrew nuts up to 10mm or 3/8" dia, dimension 1 will be 40mm (approx. 1.5")
*For accommodating stepper motor mounting and axis stability, dimension 2 will be 75mm (approx. 3")
=Stepper Motor Mount Uniformity=
*Use the same stepper motor type for each axis.
*Nema 17 steppers for appropriate performance characteristics.
*Standard 31mm center-to-center mounting holes. Modular.
=Sleeve Bearing Mount Uniformity=
*Use the same sleeve bearing type throughout machine
*2 fastening holes on the part to which sleeve bearing should be mounted. For sleeve bearing of 24mm diameter, mount circle with M5 screws and 1mm clearance should be 24 + 5 + 2 = 31mm diameter.
*20mm depth mount holes
=Leadscrew Nut Mount Uniformity=
*Use the same leadscrew nut throughout machine
*3 fastening holes on the part for the nut mounting. For current leadscrew nut, insertion diameter = 12.7mm, mount circle diameter = 19.05mm.
*20mm depth mount holes
=Assembly=
=Assembly=


Revision as of 20:21, 10 April 2012

Assembly

  • CNCCMV2.jpg

Structure

Structure CAD and 2D Fabrication Drawings

Shafts

Shafts CAD and 2D Fabrication Drawings

Collars and Couplings

Collars and Couplings CAD and 2D Fabrication Drawings

Bearings: Sleeve Bearing

Bearings: Ball Bearing

Drive: Leadscrew

  • 320mm Lg, Qty 3
  • 120mm Lg, Qty 1

Drive: Leadscrew Nut

Drive: Stepper Motor

Drive: Spindle Motor

  • BLDC Outrunner

Fasteners: Hardware Screw

  • 20mm Lg, M5x0.8

Fasteners: Platemount Screw

  • 30mm Lg, M5x0.8

Fasteners: Spindleblock Screw

  • 60mm Lg, M5x0.8

Fasteners: M5 Washer

  • 5.3mm ID, 10mm OD, 0.9-1.1mm Thk
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