Determine the required cutting time T (s) for the workpiece made of steel (cutti...
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Determine the required cutting time T (s) for the workpiece made of steel (cutting speed V=400 m/min) external turning. Machined outer surface diameter d=295.8 mm and cutting length is 966 mm. The feed during turning is s=2.9 (mm/rev) and the depth of cutting t=1.0 (mm), see figure below.
To calculate cutting time T (s) use following equation:T=l/(s·N),
where N - spindle rotational speed, rev/s; l - cutting length, mm.
Answer round up to two decimal places.
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