Changsha DLADTO Rebar Splice Co., Ltd

Rebar coupler systems, sometimes also known as mechanical splices, are usually used as an alternative to traditional steel bar connections in construction. Rebar couplers can be divided into first-grade steel, second-grade steel, and third-grade steel according to their tensile strength, compressive strength, and other properties. What is the grade classification standard of rebar couplers, and what is the difference between different grades of rebar couplers?  1. The  rebar coupler  whose tensile strength is greater than or equal to 1.1 times the ultimate tensile strength of the steel bar is the first-grade rebar coupler. The first-grade rebar coupler has better tensile performance and is suitable for parts requiring higher tensile strength.  2. A rebar coupler whose tensile strength is greater than or equal to the standard value of the ultimate tensile strength of the steel bar is a second-grade rebar coupler. The tensile performance of the second-grade rebar coup...

Matters need attention for rebar coupler connection: 1. The splice must be tightened with a torque wrench with an accuracy of ±5%, and it is required to verify the torque wrench with a torque meter every half year. The steel bar should be straightened before being cut. The end face of the thread rolling machine should be perpendicular to the axis of the steel bar, and there should be no horseshoe shape or deflection. 2. The taper, form, and pitch of the processed steel bar thread head must be consistent with that of the coupler, and pass the test of the supporting gauge. Water solution cutting lubrication fluid should be used when processing  taper thread rebar coupler . 3. When connecting the steel bar, the steel bar should be screwed into the mechanical splice on the positive axis, and then tightened with a torque wrench. When the embedded splice is used, the position, specification, and quantity of the coupler should meet the design requirements. The exposed end of the rebar co...

The raw material of rebar coupler is No. 45 carbon structural steel, which determines the possibility of rust if the  rebar coupler  encounters water. Therefore, rust prevention is an important link in the production process of rebar splice at ADTO factory.  1. The cutting fluid will be used in the tapping process of rebar coupler reproduction. Cutting fluid is water-soluble oil and has a certain function of rust removal and rust prevention. If the cutting fluid is of inferior quality with low concentration, it will make the rebar coupler easy to rust and hard to store. 2. The rebar connection coupler packing bag is attached film woven bag. If the quality of the woven bag is not good and the seal is not strict, it will also make the mechanical splice rust. 3. If the packing bag is damaged due to improper transportation and caught in rain and dampness, the rebar coupler will rust. 4. In the process of storage, if the rebar coupler is in a humid environment, it is easy to r...

The qualified standards for the rebar coupler are as follows: 1. The  rebar coupler  is made of 45 high-quality carbon structural steel with reasonable design, advanced technology, high dimensional accuracy, and reliable connection quality. 2. The basic parameters of rebar couplers are designed in accordance with the strength requirements of HRB500 steel bars, and also can be applied to HRB335 and HRB400 rebars. 3. The performance indexes of the rebar coupler have been tested by the "National Construction Engineering Quality Supervision and Inspection Center", and all of them meet the requirements of the "I" class joint in JGJ107-2016 Technical Regulations on Mechanical Connection of Rebar. 4. The specifications match the diameter of the connected steel bar, being divided into ten regular specifications: φ14mm, φ16mm, φ18mm, φ20mm, φ22mm, φ25mm, φ28mm, φ32mm, φ36mm, φ40mm, as well as special specifications: φ10mm, φ50mm. 5. Three series (standard rebar coupler, lef...

Upsetting Forged Rebar Couplers offer a full strength connection together with enhanced fatigue resistance. Followings are the main features of  Upsetting Forged Rebar Coupler . 1. The splice is as strong as steel bars. The performance meets the requirements of the highest grade (Grade I) in the current industry standard "Technical Regulations for Mechanical Connection of Steel Bars" (JGJ 107-2016). 2. Faster construction, convenient inspection, reliable quality, and no project quality risks. 3. The connection does not require power or other energy equipment, and the operation is not affected by the climate and environment. It can be operated in the wind, snow, rain, underwater, and flammable gas environment. 4. On-site operation is simple,  and only simple training is required. The operation of Upsetting Forged Rebar Coupler is very simple and convenient. Generally, after a short time of training, workers can grasp and make qualified splices. 5. Rebar thread processing can b...