Changsha DLADTO Rebar Splice Co., Ltd

1   Remove the  eccentric bushing  and eccentric shaft from the thread holder, loosen the screws first, and then use a special wrench for the eccentric bushing to rotate the eccentric bushing 180 degrees . Then, place the loosened screws into the screw hole after the rotation of 180 degrees and tighten them (the rolling head and rib stripping head are equipped with 3 eccentric bushing, each with a 180 degree rotation, and tighten them by changing the screw hole). 2 Install the threading roller and place it counterclockwise in 1-2-3  (POSITIVE THREAD)    Install the threading roller and place it anticlockwise in 3-2-1  (NEGATIVE THREAD) 3 Upper the rib stripping machine head, tighten the screws, adjust the test bar, and start working

The issues should be considered comprehensively during the construction of   steel bar connectors : the position of the joint should be arranged at a position with less stress, and the ground joints of adjacent steel bars should be properly staggered to facilitate operation. Choosing the right type coupler and thread directing according to the actual situation of the floor and reinforcement to adjust it in time. Remedial measures for incorrect position of rebar connectors If the position of the joint is not correct, the first thing to do is contact the designer, and the following measures usually be taken to remedy it. 1. The position deviation of the joint is small, which can be solved by adjusting the bending angle of the connecting steel bar, but it must meet the requirements of 1/6 of the specification and get the designer approval in advance. 2. The joint position deviation of the steel bar connector is large. Edge beams can be constructed first at the connector locations, con...

The   mechanical connection   methods of steel bars include: ribbed steel sleeve extrusion connection, steel bar taper thread connection and steel bar equal-strength thread sleeve connection. 1. Sleeve extrusion connection joint: the joint formed by the plastic deformation of the steel sleeve of the connecting piece and the tight bite of the ribbed steel bar through extrusion force. 2. Tapered thread connection joint: a joint formed by the special tapered thread at the end of the steel bar and the tapered thread of the connecting piece. 3. Equal-strength straight thread connection joints: The quality of the joints is stable and reliable, and the connection strength is high, which can be compared with the sleeve extrusion connection joints, and it also has the characteristics of convenient and fast construction of the tapered thread joints. Changsha DLADTO Rebar Splice Co., Ltd  as a division of  ADTO Group . We are a professional rebar coupler producer, we have been ...

1. The joint should be set at less stress place of steel bar. Two joints should not be set in a steel bar. The joints of longitudinally stressed steel bars in the same reinforcement members should be staggered from each other. 2. It is strictly forbidden to use overlapping joints diameter over 16mm steel bars, which should take welded connection or  mechanical connection . Illustrate: 1. Lap joint connection: The lap joint length should meet the design and specification requirements, and the adjacent steel bar joints should be staggered by 50%; the joint stagger height should be 1.3 times over the lap joint length. 2. Mechanical connection: the finished concrete surface of the joint should over 50cm, and the joints of adjacent steel bars should be staggered by 50%; the height of joint stagger should not be less than 35d. 3. Welding connection: the finished concrete surface of the joint should not be less than 50cm, and the adjacent steel bar joints should be staggered by 50%; the h...

Many customers may want to know how many steel wire heads can your   straight thread rolling machine   make in one hour before purchase threaded rolling machine. Straight threaded rolling machine manufacturers DLADTO are here to explain this issue to you. First, how many thread heads a thread rolling machine can rolls in an hour is determined by the motor and reducer of the machine. Also, it is determined by the type of steel bar too. Sure. Now that, we will introduce you the types of threaded rolling machines that used in the market. HGS-40 Ordinary Straight Thread Rolling Machine--Adopts 4.5kw motor and reducer at a rate of 1:19, suitable for processing 16, 18, 20, 22, 25 HRB400 steel bars. The number of processing per hour is about 400-800 pcs. HGS-40 Reinforced Rebar Threading Machine--It adopts 5.5kw motor and reducer with a speed of 1:17, which is able to processing all specifications of HRB400 steel bars. The number of processing per hour is about 300-1000 pcs. If the p...

Rolled straight threaded rebar splice   is the joint formed by rolling the end of the steel bar or the extrusion (rolling) of the rib rolling or the stripping of the rib and the rolling of the straight thread and the thread of the connecting piece. The basic principle is to use the characteristics of metal materials that are plastically deformed and then cold hardened to enhance the strength of metal materials, and the plastic deformation and cold hardening occur on the surface of the metal, while the performance of the original metal is still maintained inside the metal, so that the steel bar joint and the base metal reach equal strength. There are three types of rolled straight threaded rebar splice: direct rolled threaded, extruded (rolled) rib rolled threaded, and stripped rib rolled threaded. The threaded accuracy and size obtained by these three types of connection joints are different, and the quality of the joints also different.

Workers may encounter the problem that the  rebar sleeve  cannot be screwed on the wire head during the construction. Why the threaded steel sleeve cannot be tightened? Here let's talk about the reason: 1. The threaded pitch of rebar sleeve is different from that of the wire head. The pitch of Φ16, Φ18, Φ20, Φ22 rebar sleeve is 2.5mm, and Φ25, Φ28, Φ32, Φ36 rebar sleeve is 3.0mm. The pitches of Φ40 steel sleeves are 3.0mm and 3.5mm. 2. The tooth angle of the rebar sleeve of the steel bar is different from the tooth angle of the steel wire head. There are two types of rebar sleeve with tooth angles of 75° and 60°. 3. The wire hood is too big. Due to the insufficient adjustment accuracy of the rolling mill during the threading process, there will be deviations. The wire head cover is too large, or the gear plate of the steel bar rolling machine is not compressed, and the eccentric shaft of the rolling machine has moved. Above are reasons may cause the threaded rebar sleeve fail ...