Band saw. Sawing Methods  Handsawing The tools is moved by hand  Machine sawing The tools is moved by a machinery.

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Presentation transcript:

Band saw

Sawing Methods  Handsawing The tools is moved by hand  Machine sawing The tools is moved by a machinery

Sawing Saw tool can be moved  Straightforward Ahead and back  Circular Counter and climb

Band sawing Chip filling rate is depending on following factors:  Table feed  Cutting speed  Teeth pitch  Work piece height  Teeth gap area

Sash saw

Bandsaw

Chip formation

Band or sash sawing Feed per teeth  Chip filling rate A = teeth gap area

Counter- and climb sawing

Chip geometry

Circular Sawing Arc length L Climb Counter

Circular sawing Teeth pitch  Feed per teeth  Chip thickness

Sawing Cutting speed c m/sec Feed rate S mm/sec Feed s mm/teeth Number of teeth N Cutting time t min

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