Upsetting Rebar Couplers (Upset forging rebar couplers, Parallel Thread Rebar Splicing with Upsetting End)
Introduction:
Upsetting Rebar Couplers are suited to projects which required high volumes of couplers. They produce a full strength joint in the rebar connection. The ends of the bars to be enlarged by cold forging to increase their core diameter that the joint is stronger than the steel bar. The couplers are usually supplied attached to the reinforcing bars.
Detail Procedures of the Upsetting Straight Thread Rebar
Step 1: Cutting: The end of the reinforcement bars is sawn square.
Step 2: Cold Forging: Use the upsetting Machine to enlarge the end of the reinforcing bar by cold forging, thus increasing its core diameter.
Step 3: Threading: Use the Threading Machine to cut the ISO standard metric thread.
Advantages:
1. Wide working range: Adaptabl+e for 12mm-40mm same diameter, different diameter,
2. High strength: Stronger than the reinforcement bar and guarantees bar break under tensile stress (tensile strength of connection point =1.1 times of connected bar's specified tensile strength). It can satisfy the requirements stipulated in the Chinese standard GB 1499. 2-2007, JGJ 107-2010.
3. High efficiency: Upset forging and threading one joint only needs no more than one minute, and handy operation and quick link.
4. Environmental protection and economy profit: No environment pollution, can work all day, not affected by weather, economize energy source and bar material.
5. Coupler provides top quality, cost and time saving. Fixing couplers requires no unique skills or accessories. Easy technical ways in implementing technical splicing compared to lapping speeds up development plans for the best possible cost and performance.
6. Handling the rebar in convenient sizes helps you to save on useful motorized hoist time. It is cost-effective to use couplers for greater size rebar as it helps you to save on significant weight and rebar waste.
