Yarn Spinning & Preparation

Traveller Weight & Ring Diameter Limit Calculator

Traveller speed, not spindle speed, is the real ceiling on a ring frame.

Ring & Spindle Frame geometry
mm
rpm
mg
Safe Limits Supplier ratings
m/s
N

Traveller Linear Speed

— m/s

Speed around the ring at the stated spindle rpm

Operating Envelope

Traveller Speed Utilisation
— %
Maximum Spindle Speed
— rpm
Centrifugal Force on Traveller
— N
Heaviest Traveller Within Force Limit
— mg

Traveller speeds above about 40 m/s cause thermal damage on cotton. Reduce ring diameter before reducing spindle speed when chasing output.

Traveller Weight & Ring Diameter Limit Calculator — free, with the formula and a worked example, at Textile School.