性能优点: 本机型是上篷极厚料缝纫机系列的又一新品，特殊设计的机身刚性强，宽大的操作台可以轻松地缝制大型物件，大惯量的主轴上轮，能产生巨大的穿刺力，送布牙、压脚、协和的同步送料方式，特别适用于后的及多层物料的车篷，即使滑溜或者胶粘的物料，亦可缝纫自如，得心应手。本机采用凸轮跳线，大型半回转摆梭勾线，使更换底线次数减少。是缝制安全带、马具、皮箱、抛光轮、帐篷、风帆、车盖、装订书册的理想设备。

Advantages：This machine is another new productof Shangpeng sewing machine forextremely
thick materials. Specially designed machine body has strong rigidity and spacious operation table is able to sewlarge-scale objeots easily. Drivers withlarge inel'tia generate the huge puncture force. Synchronous feeding mode of feed dog and presser is especially suitable for thick and multilayer materials. Even though the material is easy to be slipping and sticky, it is also easy to sew the material by this kind of sewing machine with high proficiency. This machine adopts cam to take-up thread andlarge semi-rotating shuttle to hook thread withless change of bottom thread. lt is an ideal device forsewing safety belt, horse gear, leathersuitcase, buff wheel, tent, sails, bonnet and bookbinding.