Description

Ball Screw Mechanism CAD (Free) – Compact Linear Drive Design

This free ball screw CAD design gives you a compact linear motion mechanism ideal for small machines, actuators, and mechanical R&D projects. The assembly includes a rotating ball screw shaft driving a carrier via precision bearings — all modeled in detail.

It’s perfect for CNC prototype builders, robotics enthusiasts, and mechanical engineers looking to learn or expand on motion transmission principles.

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What’s Inside the Package

• ✅ Inventor part & assembly files (.ipt/.iam)

• ✅ STEP, STL, and DWF formats for universal compatibility

• ✅ DWG + PDF 2D drawings with section views, tolerances, shaft lengths

• ✅ BOM listing metric screws, shafts, nuts, bearings

• ✅ Exploded view with labeled components

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Specifications

• ✅ Drive screw diameter: 16 mm

• ✅ Travel stroke: ~1000 mm

• ✅ Guides via HIWIN linear profiles

• ✅ Material: standard mild steel bars

• ✅ Fully scalable design for larger loads

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 Perfect For

• ✅ CNC micro-axis systems

• ✅ Manual or automatic screw-drives

• ✅ Educational mechanical assemblies

• ✅ Ball screw demo/test setups

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Related Builds

• ✅ Snap-Off Knife (Free) – build a full toolset

• ✅ 50 t Hydraulic Press with FEA – ready for heavy mechanics

• ✅ Rotary Welding Positioner – complete work positioning unit

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Show Your Build

• ✅ Post on Facebook or X

• ✅ View ball screw mechanism animations at Scan2CAD

• ✅ Learn more via community CAD resources on GrabCAD

Download this free ball screw CAD project now and study, print, or customize it for your prototype or teaching setup.

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