Joyda Tech Machinery

This is an automatic machine for manufacturing 2 to 5 layer cement bags, specially designed for the production of cement bags with kraft paper. The machine is capable of producing bags of 2 to 4 layers of paper plus PE, totaling 5 layers. It consists of two main parts: the tube-making machine and the bottom-making machine, model HD8916. The main technical specifications are:

Bag length (mm): 370-770
Bag width (mm): 350-550
Bottom width (mm): 90-150
Bag center distance (mm): 280-620
Valve length (mm): 120-250
Outer rib length (mm): 260-380
Vacuum pump suction volume: 250m3/h
Vacuum pump vacuum: -80kpa
Speed: 100-120 bags/minute