Proper use of bi-metal band saw blade
A, bi-metal band saw blade cutting speed, efficiency, choice (for reference only)
Band saw blades cut material
Line speed cutting efficiency (cm2 / min) Size Range (mm)
Φ25 Φ50 Φ75 Φ100 Φ150 Φ200
Low carbon steel, structural steel 50-80 25-3540-50 50-6055-65 65-7570-80
Carbon steel, gear steel 40-75 20-2525-35 30-4035-50 40-6040-50
High carbon steel, nickel-molybdenum steel, bearing steel 35-55 20-2525-35 30-3530-40 35-4035-40
High alloy tool steel, high speed steel 30-40 15-2020-25 25-3025-30 30-3530-35
Stainless steel, tool steel 20-510-1515-20 15-2015-20 15-2015-20
Heat-resistant steel, high temperature alloy 15-25 5-105-107-13 5-155-155-15

Second, the choice of feed
According to the shape of the chip to determine the amount of feed band saw is appropriate.
   

Feed amount is too small, chip crushing. Normal cutting. The feed is too big, thick and even the color of blue chips.
Third, the band saw blade run-
The new band saw blade must be carried out properly after running-cutting, in order to avoid premature damage caused by jagged.
  

After running-tooth tip during normal wear. Without running-prong typical example of a result of premature failure.
◆ run-feed during normal feeding amount of 20-30%.
◆ run-in period length of approximately 5-10% in life expectancy.
◆ belt speed during the run should be 20-30% of the normal cutting time.
◆ saws began to gradually transition from a run-in period to the normal cutting. Every increase in feed rate and belt speed are not too large. 45 # steel rod as Φ100 normally after cutting 20 knife cutting. Such as high hardness, or cut a larger cross-section, the number of run-knife can be reduced accordingly. Conversely, the number of run-knife should be increased. Band sawing encyclopedic knowledge
Band sawing machine is mainly used for sawing carbon structural steel, low alloy steel, high alloy steel, special alloy steel and stainless steel, acid-resistant steel and other metal materials.

Band sawing Category:

According to the structure is divided into horizontal band saws, vertical band saws, horizontal divided into scissor, double-column, single-column type with Saw;

Divided based on usage manual type (economy manual feeding manual cutting of materials), automatic type;

Depending on the controller automation program can be divided into manual type (semi-automatic manual feed) automatic type (automatic feeding automatic cutting);

Divided angle sawing (cutting angle of 90 degrees can be 45 degrees) in accordance with the requirements without cutting angle 90 degree angle that is perpendicular to the cutting.

The system functions with Saw:

Hydraulic circuit hydraulic drive by pumps, valves, cylinders, tanks, piping and other accessories consisting yuan, saw the completion of the lift beam under electrical control, clamp the workpiece. Feed rate can be implemented through the stepless speed control valve, cutting the need for different materials to achieve the workpiece.

Electrical control system consists of electrical boxes, control boxes, junction boxes, trip switches, solenoids and other components of the control loop to control blade rotation, lift, clamp the workpiece, such as sawing beams, so that according to certain procedures to achieve normal cutting cycle.

Lubrication system before driving the machine must be lubricated parts (wire brush shafts, worm gear boxes, active bearing, worm bearing, the lift cylinder up and down the shaft, the sliding surface activity vise clamping screw) require refueling. Worm gear box worm, the worm uses the 30th oil bath lubrication oil from the upper oil plug hole injection worm gear box, box fairy face with oil standard, when saw the beam at the lowest position, the oil should be on the subject of oil, the lower limit between. One month after the trial should change the oil, change the oil after every 3-6 months once the lower gear box has a drain plug

Economy template sawing band sawing

I developed the production of G4025C band sawing machine, as vice scheduled board has two mounting position

         I participated in Shijiazhuang (North) Machine Tool and Mold Exhibition, the show G4025B and G4025C two metal band sawing machine by many users call and praise, view photos please click on the "show publicity" column.
 
 

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