Profile
Cold saw is a new online cutting technology in H.F. welded tube industry. Compare with the friction heat saw, its most major characteristic is the cold milling principle. The end of the tube is smooth and without burr after cutting off. For high quality requirements, these is no need off-line second treatment. In addition, due to the use of servo tracking technology, cutting length accuracy is higher than the traditional computer flying saw. Dust and noise pollution are obviously reduced in the production process.
Equipment Specification
General
2.1.1 Scope of application: hot-rolled and cold-rolled steel (St3, 09G2S);
The yield strength is 190-440H/mm. kV;
The limit of tensile strength 270-490Н/mm
2.1.2 Pipe specification:
Round pipe Ø12mm to Ø51мм;
Square tube 15x15mm up to 40x40mm;
Rectangular pipe -30х10мм to 50х25мм;
Cutting range – от3500мм to 9000мм;
Cutting accuracy (range length) – +/ – 1.5 mm;
Inside bead NOT removing.
2.1.3 Mill line: Direction from left or right ; Max. line speed: 80 m/min.
2.1.4 Cutting length: 3.5-9.0mm
2.1.5 Length precision: ±1.5mm (line speed fluctuating less than 2%)
2.1.6 Cutting speed – 85m/min. for pipes Ø51mm;
120m/min for tubes Ø12mm
Electric Description
2.2.1 Driving motor: servo motor 15KW, from YASKAWA, Japan.
2.2.2 Feeding motor: servo motor 4.4KW, from YASKAWA, Japan.
2.2.3 Blade motor: AC motor 22KW, from YASKAWA, Japan.
2.2.4 Length measurement: 2500 pulse encoder. IP65 waterproof and dustproof from Koyo.
