Description of Straight Thread Chamfering Sleeve For Steel Bar
The straight thread chamfering sleeve is a steel sleeve used for mechanical joints of steel bars that transmit axial tension or pressure of steel bars. The connection method of the straight thread sleeve is to use a thread rolling machine to peel off a part of the longitudinal rib and transverse rib at the end of the steel bar to be connected, and then directly roll it into an ordinary straight thread, and connect it with a special straight thread sleeve, forming a connection of steel bars.
Advantages of Straight Thread Chamfering Sleeve For Steel Bar
Rib stripping and rolling straight thread connection technology of steel bars is the first technological invention at home and abroad, reaching the international advanced level; rib stripping and rolling straight thread connection technology is an efficient, convenient, and fast construction method and energy saving and consumption reduction, improving efficiency, stable and reliable connection quality,
The advantages have been favored by the majority of construction units and owners. It is a new product of straight thread connection technology.
Technical Parameters
Model | outer diameter*length | Weight/pc | Total Quantity | Total Weight |
12 | 18*28mm | 0.03kg | 600 | 18.20kg |
14 | 21*32mm | 0.049kg | 600 | 29.56kg |
16 | 24*40mm | 0.08kg | 250 | 20.00kg |
18 | 27*45mm | 0.116kg | 210 | 24.36kg |
20 | 31*50mm | 0.174kg | 150 | 26.10kg |
22 | 33*55mm | 0.206kg | 130 | 26.78kg |
25DT | 37*60mm | 0.281kg | 100 | 28.10kg |
28 | 41*65mm | 0.368kg | 80 | 29.44kg |
32 | 47*75mm | 0.552kg | 60 | 33.12kg |
32 | 47*70mm | 0.52kg | 60 | 31.20kg |
36DT | 53*85mm | 0.818kg | 40 | 32.72kg |
40DT | 58*90mm | 1.05kg | 30 | 31.50kg |
20LT | 30*50mm | 0.161kg | 150 | 24.15kg |
22LT | 32*55mm | 0.186kg | 130 | 24.18kg |
25LT | 36.3*60mm | 0.265kg | 100 | 26.50kg |
28LT | 40.3*65mm | 0.493kg | 80 | 39.44kg |
32LT | 46.3*70mm | 0.528kg | 60 | 31.68kg |
Features of steel bar straight thread chamfering sleeve
1. The connection strength is high, and the connection quality is stable and reliable. The strength of the joint meets the performance requirements of Class I joints in the industry standard JGJ107-2010 "General Technical Regulations for Mechanical Connection of Steel Bars". The tensile strength of the joint is not less than 1.10 times the actual tensile strength of the connected steel bar or the standard tensile strength of the steel bar. Good fatigue resistance. The joints have passed the two million times fatigue strength test specified by the industry standard. Save material. Taking the steel connecting sleeve with a diameter of 40mm as an example, the quality of the extruded sleeve is 4kg, and that of the straight threaded sleeve is 1.1 kg. The quality of the straight threaded sleeve is 25% of that of the extruded sleeve, but the performance of the joint is comparable to that of the extruded joint.
2. Convenient construction and fast connection speed. The steel wire head processing factory operation does not occupy the construction period. On-site connection and assembly work take a short time. The steel wire head is easy to process. The two processes of stripping ribs and thread rolling can be completed in one clamping of steel bars, with fast processing speed and high precision of thread forming. Wide range of applications. There is no weldability requirement for steel bars, and it is suitable for the same and different diameter connections of HRB335 and HRB400 steel bars with diameters of 14~50mm in any orientation.
3. Environmental protection construction. Steel wire head processing and on-site construction of joints have no noise pollution, no open flames, no smoke, and dust, and are safe and reliable. Energy saving. The power of the equipment is only 3~4kw, no special power distribution facilities are needed, and no special wires need to be erected. Good low-temperature resistance. Pass -400C low-temperature test. Construction works around the clock. Unaffected by wind, rain, snow, and other climatic conditions.