Calculation

Tooling Cost per Part

Created on · tool-cost-per-part

Distributes cutting-edge cost, re-grinds, and tool-change time across the cutting time per part.

Tool type

Tool or insert price

Usable cutting edges

Regrinds

Cost per regrind

Tool life after regrinding

Tool life

Engagement time per part

Change time

Cost rate

Holder price

Holder life

Taylor exponent

How to use the result

Enter actual operating values. The calculation considers only the entered costs and quantities.

K_part = (K_edge + change time · rate per minute) · engagement time / tool lifeT_w = (1/n − 1) · (change time + K_edge / rate per minute)

Sources: Boothroyd / Knight: Fundamentals of Machining and Machine Tools; machining economics.