Why small hot machine is always sealed not well?
1.The transmission shaft and the suction arm synchronization chain slack lead to suction arm suction is too fast. 2.Knife not on the suitable position lead to seal not firm. [...]
When plastic bags printed by gravure printing, how many methods to show gravure performance level?
1.To show the color shades by ink hole depth. The feature of this gravure is the different depth.The thickness bigger,the tableau darker.The thickness smaller, the tableau brighter. Just like [...]
How to improve the transparence of the film?
The polyolefin is a crystalline polymer,the main factors affecting the transparency is the resin raw materials, the best way to improve the film transparency is using lower crystallinity and [...]
How to calculate the t shirt bag cost?
Plastic bag bost= length*width*layers*thickness*proportion*price per kilogram. For example: there is double layer 40cm length, 30cm width, 0.04mm thickness PP material bag, the PP material price is 14600 RMB per [...]
T shirt bag making machine is one type of the full automatic nonvowen bag making machine
Features: 1.Could produce t- shirt bag making machine, handle bag, flat bag, side gusset bag, bottom gusset bag and so on. 2.Normal bag length is 50-60cm, our bag length [...]
How to heat the film blowing machine before production?
First we need know how does the plastic film producing. 1.Heat the plactic resin ball. 2.Extruder the film by screw. 3.Cooling and rewinding. Second we need know there are [...]
How to reduce the waste the film blowing machine in production?
Dynamic part: Save the power by inverter. Fof example the motor power is 50Hz, but the real power in working only need 30Hz, so the inverter could change the [...]
Film blowing machine contribution to the food industry
Film blowing machine has several type with different material and extruder shape. Just like flake film blowing machine, PE bubble film blowing machine, multilayer composite film blowing machine, heat [...]
Decorative border knife and flat knife, which one is better?
We could customized bag sealing knife according to client’s real demand. But normally, we prefer suggest customer to use the decorative border knife. Because this type acctually is double [...]
How to control film quality in blowing process?
Whether the plastic is complete and uniform, the bubble shape is stable, temperature is one of the main technological conditions. In the production of polyethylene blown film, it should [...]