Upsetting&Threading Machines	Rebar Splice with Upset End	Rebar Splice Specimens

1 Principle
（1）Enlarging ends of reinforced bars by cold upsetting
（2）Threading parallel threads
（3）Splicing rebars by coupler

2 Features
* High splice strength, which could exert the ultimate and compression strength of rebar, it could satisfy the requirements stipulated in the Chinese standard JGJ107, American standard UBC 1997,and other requirements in the relevant standards home and abroad;
* Simple operation, fast splicing;
* Several types of splices, which could be suitable for rebar splicing when the rebar cage or the winding rebar is used;
* High production efficiency, it only takes less than 1 minute to upset and thread one thread on the site;
* High adaptability, the splicing could be conducted when the power is off, or under water, or at super high position, or windy, rainy and snowy weathers;
* Environment-friendly, material-effective and economic;
* Inexpensive to purchase, maintain and repair.