plastic ball roundness of refers to the plastic ball diameter tolerance standard. The company is executive general TS16949 international PB1402-350, plastic single ball diameter tolerance in + 0.005mm. Mass diameter tolerance limit + 0.01 mm, plastic ball according to the international and national standard reference the stainless steel ball set 4, respectively, the G1, G2, G3, G4 four standards.

G1级塑胶料球真圆度标准直径公差设定为±0.005mm。G2级塑胶料球真圆度标准直径公差设定为±0.01mm.G3级塑料胶球真圆度标准直径公差设定为±0.0125mm.G4级塑料胶球真圆度标准直径公差设定为±0.015mm.二、塑胶BB球的生产流程

The standard diameter tolerance of G1 grade plastic ball is set to + 0.005mm. G2 grade plastic ball roundness degree standard diameter tolerance Set + 0.01mm.G3 grade plastic rubber ball roundness degree standard diameter tolerance Set + 0.0125mm.G4 grade plastic rubber ball roundness degree standard diameter tolerance is set to + 0.015mm. Second, plastic BB pellet production process

首先用塑料造粒机加工塑胶BB球的原料。用注塑机和BB球模具注塑生产出塑胶BB毛坯球。用选球机对塑胶BB球进行粗选，把毛坯球中间的水口等杂物清理出来。用塑胶BB球专用研磨机对BB毛坯球进行研磨，加工到6mm±0.01mm精度。用抛光机对精磨好的塑胶BB球进行抛光。抛光好的塑胶BB球清洗烘干。对加工好的塑胶BB球进行精选，包装出货。塑胶BB球主要用以下塑胶原料生产：ABS塑胶BB,PS塑胶BB,AS塑胶BB,PLA塑胶BB.

Firstly, the plastic airsoft bb ball is processed by plastic granulation machine. Injection molding machine andairsoft bb ball mold to produce plastic airsoft bb blank ball. With the ball selection machine on the plastic ball BB rough selection, the ball in the middle of the gap between the water and other debris cleared out. With plastic BB ball special grinding machine for airsoft bb rough ball grinding, processing to 6mm + 0.01mm precision. Polishing with a polishing machine for fine grinding of plastic BB balls. Polished plastic BB ball cleaning and drying. Good processing of plastic airsoft bb ball selection, packaging and shipment. Plastic BB ball is mainly used the following plastic raw materials production: BB plastic ABS, PS plastic BB, AS plastic airsoft bb, PLA plastic airsoft bb.