该小组履行以下部分或全部职责：

搅拌机操作员

• 根据配方称量树脂、着色剂和其他化学品
• 将称重的材料放入混合机并操作机器将塑料和其他化学品混合到指定的稠度或粘度
• 监控操作、调节材料供应并向混合物中添加化学品和着色剂
• 操作控件以调节温度、速度和其他加工条件
• 将混合物卸载到容器或输送机中进行进一步处理
• 根据需要对机器进行维护和小修
• 保持材料库存和清洁工作区域。

压延工艺操作员

• 设置和操作压延机，将面团一致的塑料块转化为指定厚度的连续片材或薄膜
• 对设备进行故障排除、维护和小修，调整压光辊以进行生产线更换
• 监控所生产材料的质量
• 保持材料库存和清洁工作区域。

挤压工艺操作员

• 设置和操作一台或多台挤出机，通过喷嘴或模具挤出塑料复合材料产品
• 根据生产线变化更换挤压机上的模具
• 对设备进行故障排除、维护和小修
• 监控所生产材料的质量
• 保持材料库存和清洁工作区域。

成型工艺操作员

• 设置和操作一台或多台成型机，根据规格成型塑料制品
• 换线换模、调整设备
• 对设备进行故障排除、维护和小修
• 监控所生产材料的质量并根据需要调整机器设置
• 按照配方卡混合注塑工艺的配料批次
• 保持材料库存和清洁工作区域。

• 对于本单元组的所有操作员，通常需要完成中学学业。
• 可能需要在同一家公司担任佣工、投标人或包装员多年的经验。
• 可能需要完成统计过程控制 (SPC) 课程。
• 成型工艺操作员可能需要完成液压、气动和电子系统课程。
• 提供在职培训。

• 在该单元中的各种操作员之间的流动性是可能的。
• 随着经验的积累，可能晋升到主管职位。

• 橡胶和塑料制品制造业工人（95104）
• 主管，塑料和橡胶制品制造（92013）
• 橡胶加工机械操作员和相关工人（94112）
• 塑料制品装配工、修整工和检验员（94212）

This group performs some or all of the following duties:

Mixing machine operators

• Weigh resins, colorants and other chemicals according to formula
• Place weighed materials in mixing machine and operate machine to blend plastic and other chemicals to a specified consistency or viscosity
• Monitor operation, regulate material supply and add chemicals and colorants to mixture
• Operate controls to regulate temperature, speed and other processing conditions
• Unload mixture into container or conveyor for further processing
• Maintain and perform minor repairs on machinery as required
• Maintain inventory of material and clean working area.

Calendering process operators

• Set up and operate calendering machines which transform dough-consistent plastic mass into continuous sheets or films of specified thickness
• Troubleshoot, maintain and make minor repairs to equipment and adjust calender rollers for production line change
• Monitor quality of material produced
• Maintain inventory of material and clean working area.

Extruding process operators

• Set up and operate one or more extruding machines which extrude plastic composites products through a nozzle or die
• Change dies on extruding machines according to production line change
• Troubleshoot, maintain and make minor repairs to equipment
• Monitor quality of material produced
• Maintain inventory of material and clean working area.

Moulding process operators

• Set up and operate one or more moulding machines which mould plastic products according to specifications
• Change moulds and adjust equipment for production line change
• Troubleshoot, maintain and make minor repairs to equipment
• Monitor quality of material produced and adjust machine settings as required
• Follow formulation card to mix ingredient batches for injection moulding process
• Maintain inventory of material and clean working area.

• For all operators in this unit group, completion of secondary school is usually required.
• Several years of experience as a helper, tender or packer in the same company may be required.
• Completion of a statistical process control (SPC) course may be required.
• Completion of courses in hydraulics, pneumatics and electronics systems may be required for moulding process operators.
• On-the-job training is provided.

• Mobility among the various operators in this unit is possible.
• Progression to supervisory positions is possible with experience.

• Labourers in rubber and plastic products manufacturing (95104)
• Supervisors, plastic and rubber products manufacturing (92013)
• Rubber processing machine operators and related workers (94112)
• Plastic products assemblers, finishers and inspectors (94212)