Detailed Product Description

We adopt many advanced techniques and constructions of the similar automatic envelope making machines made in other advanced countries. Our PTF series automatic envelope making machines are suitable for the economic production of window envelopes, gummed envelopes, and peal and seal envelopes. These functions can be carries out in one model. We also can made different PTF optional models according to customers' demands.

Paper blank size: max. width: 480mm; max. length: 350mm
Envelope size: max. 250 x 176mm; min. 100 x 90mm
Paper weight: 75-120gsm
Output: max.18,000pcs/h
Window size: width: 25-100mm; length: 35-140mm
Window film size length: max. 230mm; min. 36mm
Window film size width: max. 120mm; min. 35mm
Protection strip length: max. 235mm; min. 100mm
Capacity requirements: motor: 4kW; drying: 9kW; air pump: 16.5kW 
Dimensions (L x W x H): 10,800 x 1,810 x 1,600mm 
Machine weight: 8,000kg