A customer was excavating solid rock for a wind farm in Texas for the placement of power distribution lines. A competitor's tooling solution resulted in production of less than 1 foot per minute (fpm).
- Material Excavated: Mixture of hard limestone/cobblestone
- Conditions: 65–75° F, with operations occurring between noon and 6:00 p.m.
- Machine: Tesmec M5 chain trencher, 18" wide chain with 130 toolholders
- Problems: Competitor tooling wearing out carbide in less than one day, inability to cut at a rate of 1 fpm