Changsha DLADTO Rebar Splice Co., Ltd

The raw material of   rebar coupler   is 45# carbon steel. It means that the rebar coupler will rust within a few minutes if it encounters water. Therefore, preventing rust in the process of producing the coupler is an important step. The reason that main causes of rust in the coupler are as follows: 1. During the thread tapping process in the production of rebar couplers, cutting fluid is used. The cutting fluid is a water-soluble oil agent with certain rust removal and rust prevention functions. If the quality of the cutting fluid is not strong and the concentration is low, it will make the rebar couplers unsuitable for storage and prone to rust. 2. The packaging bag for rebar couplers is a laminated woven bag. If the quality of the woven bag is poor and the sealing is not tight, it will cause rusting of the rebar couplers. 3. During the transportation process of rebar couplers, if they are not handled properly, the packaging bags of the rebar couplers may get damaged. If they are t

Steel bar couplers   are used to connect steel bars and have internal threads corresponding to the male threads. The simplely construction process is using a rolling process to create straight threads on the end of the steel bars and connecting them with the appropriate couplers. So, what are the key points to attention during the manufacturing process? In the following, the coupler manufacturer   DLADTO   will provide you with a detailed introduction: 1.The thread, tooth shape, and pitch of the processed rebar threads should be consistent with the connecting coupler threads, and they should be inspected and approved by matching gauges. 2. When processing rebar threads, water-soluble cutting lubricant should be used. When the temperature is below 0℃, 15%-20% sodium nitrite should be added. Machine oil is not allowed as a lubricant or threading without any lubricant. 3. Operators should inspect the appearance quality of rebar thread heads individually and make operator marks. 4. Rebar

The sleeve should be made of high-quality carbon structural steel, low-alloy high-strength structural steel, or alloy structural steel. Grouting material for sleeves: It is a dry mix composed of cement as the basic material, fine aggregate concrete admixtures, and other materials. The  grouting sleeve  is a combination of specially processed sleeves, matching grouting materials, and assembled reinforcements. When connecting the reinforcements, quick-hardening non-shrinkouting materials are injected, and the steel reinforcements are connected to the sleeves through the bond between the materials. Grouting sleeve connectors have the advantages of reliable performance, wide applicability, and easy installation. 1. The steel reinforcements are fully and evenly enveloped by the concrete, and if two reinforcements are tightly anchored side by side, they form an overlap. 2. There is no need to increase the concrete strength grade or the length of the reinforcement anchorage. At the same time,