⚙
CAM Lifter — Force Analysis
Battle Bot
CAM Profile
Lobe circle Ø diameter
15.0 mm
Base circle Ø diameter
22.0 mm
Lobe lift
20.0 mm
Position (CAM from Fulcrum)
Horiz offset (left)
30.0 mm
Vert offset (below)
48.0 mm
Beam
Lifter arm (L)
90.0 mm
Rear arm
35.0 mm
Beam thickness
6.0 mm
Force Analysis
Motor stall torque (T)
Nm
↑ or use slider below
0.300 Nm
N20 motor stall torque ≈ 0.300 Nm
Force arrows (F_cam, F_lift)
Moment arm d
Beam dimension labels
Force equation panel
Rotation
CAM angle
180°
▶ Spin
↺ Reset
Speed
1.0×
Export
⬇ Export CAM Profile as DXF
🖨 Print CAM to PDF (A4 · 1:1 scale)
DXF: body frame · lobe tip = +X · units mm
Display
CAM construction lines
Position dims
Grid
Contact point
Geometry
CAM angle
180°
Beam angle φ
—°
Contact → fulcrum (a)
— mm
Lifter arm (L)
— mm
Cam lift
— mm
Forces · T = F × d → ΣM = 0 → F_lift × L = F_cam × a
Moment arm (d)
— mm
CAM force F_cam
— N
Lift force F_lift
— N
Max lift mass
— kg
Lever MA (a/L)
—