Quantum Machinery S-381-SV Semi-Auto Band Saw

Quantum Machinery S-381-SV Semi-Auto Band Saw


The basic characteristics of the machine (such as rigidity of the blade support, flywheel dimensioning, band guides, and band stretching) have been thoroughly studied to avoid yielding of the band, increase its durability, and improve linearity and time of cutting.

Add To Cart

S 381 SV Cutting Capacities

  • Rectangular Tube Cutting at 90° (Straight Cut) - 12.5" Height x 11.4" Width
  • Solid Round Tube Cutting at 90° (Straight Cut) - 10"
  • Round Tube Cutting at 90° (Straight Cut) - 11.4"
  • Square Tube Cutting at 90° (Straight Cut) - 11.4"

Maximum Vice Opening - 315mm (12.5")

  •  High-capacity band control by two-speed motor and special reducer with bronze gear tempered and ground worm screw.
  • Appropriately dimensioned flywheels.
  • Strong band guides with tight stress-raiser bearings and adjustable widia tips.
  • Band stretching is obtained by electro-mechanical blade tensioner with micro switch.
  • Accident-preventing devices on the flywheel casing, on the control handle, and on the blade.
  • Cutting thickness 1.2 mm
  • Adjustable stop for cuts of the same size.
  • 0.06 kW power-driven pump for band cooling.
  • Pedestal with chip collection tray and removable tank for coolant.
  • Machine pre-arranged to be moved on transpallet.
  • Possibility of manual cut.


Cycle start is obtained by pressing the relevant start button. 

The machine performs the following operations during the cutting cycle: 

1. Vice closing and activation of band motor 

2. Cutting bow down stroke 

3. Return of bow to initial position 

4. Band motor stop

5. Vice opening