塑料注射机(全称塑料注射成型机)发展很快，种类日益增多，分类的方法也不一样
Plastic injection molding machine (full name plastic injection molding machine) is developing rapidly, with more and more types and different classification methods.
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1.1按注射容量的大小，可分为小型注射机、中型注射机和大型注射机。
1.1 according to the injection capacity, it can be divided into small injection machine, medium injection machine and large injection machine.
1.2按机型外表特征，可分为卧式注射机、立式注射机、角式注射机和多模式（即转盘式）注射机。
1.2 according to the appearance characteristics of the machine, it can be divided into horizontal injection machine, vertical injection machine, angle injection machine and multi-mode (i.e. rotary table) injection machine.
1.3按塑化方式和注射方式，可分为柱塞式注射机、螺杆式注射机和螺杆式预塑柱塞式注射机。
1.3 according to the plasticizing and injection methods, it can be divided into plunger type injection machine, screw type injection machine and screw type pre plastic plunger type injection machine.
1.4按用途，可分为多用途注射机和专门用途注射机。专门用途注射机又分为热固性、排气式、发泡、多色、转盘式和玻璃纤维增强塑料注射机。
1.4 according to the purpose, it can be divided into multi-purpose injection machine and special purpose injection machine. Special purpose injection machine is divided into thermosetting, exhaust type, foaming, multi-color, rotary table type and glass fiber reinforced plastic injection machine.
1.5按螺杆形式分类，可分为单螺杆预塑化式注射机、螺杆复合式注射机、斜角螺杆螺杆式注射机、平角螺杆式注射机、直角螺杆式注射机、连续式注射机、三阶螺杆式注射机与多级柱塞式注射机等。
1.5 according to the screw type classification, it can be divided into single screw pre plasticizing injection machine, screw compound injection machine, inclined screw screw injection machine, flat screw injection machine, right angle screw injection machine, continuous injection machine, three-stage screw injection machine and multi-stage plunger injection machine, etc.