Profession pre-stitching machine operator

Pre-stitching machine operators handle tools and equipment for splitting, skiving, folding, punching, crimping, placking, and marking the uppers to be stitched and, when needed, apply reinforcement strips in various pieces. They may also glue the pieces together before stitching them. Pre-stitching machine operators perform these tasks according to the instructions of the technical sheet. 

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Personality Type

• Realistic / Conventional

Knowledge

• Footwear machinery

  Tthe functionality of the wide range of machines, and the basic rules of regular maintenance.

• Footwear materials

  The characteristics, components, advantages and limitations of a wide range of materials used in footwear production: leather, leather substitutes (synthetics or artificial materials), textile, plastic, rubber etc. 

• Footwear stitching techniques

  The technologies, equipment, machines and processes for closing the upper components of footwear by various seams such as closed, lapped, butted, welted, piped and moccasin.

• Leather goods quality

  The quality specifications of materials, processes, and final products, the most common defects in leather, quick tests procedures, laboratory tests procedures and standards, and the adequate equipment for quality checks. 

• Leather goods manufacturing processes

  The processes, technology and machinery involved in the leather goods manufacturing.  

• Leather goods materials

  The wide range of materials used in leather goods production: leather, leather substitutes (synthetics or artificial materials), textile, etc; the way of distinguishing among various materials based on their properties, advantages and limitations.

• Footwear equipments

  Functionality of the wide range of equipments and the basic rules of regular maintenance.

• Footwear quality

  Quality specifications of materials, processes and final products, the most common defects in footwear, quick tests procedures, laboratory tests procedures and standards, adequate equipment for quality checks. Quality assurance of footwear production processes and fundamental concepts on quality including footwear quality framework and standards.

• Pre-stitching processes and techniques for footwear and leather goods

  Technology including machinery and techniques for the preparation for leather goods components and footwear uppers.

• Footwear components

  Footwear components both for uppers (vamps, quarters, linings, stiffeners, toe puffs etc.) and bottoms (soles, heels, insoles etc.). Ecological concerns and the importance of recycling. Selection of suitable materials and components based on their influence on the footwear style and characteristics, properties and manufacturability. Procedures and methods in chemical and mechanical processing of leather and non-leather materials.

• Leather goods components

  The various procedures and methods in the processing of leather materials and leather goods components like manufacturability and properties.  

• Footwear manufacturing technology

  Footwear processes technology and machinery involved. The footwear manufacturing starts in the cutting/clicking room , cutting the uppers and bottom components. The upper components are joined together in the closing room by following a precise order of specific operations: skiving, folding, sewing etc. The closed upper, the insole and other bottom components are brought together in the assembling room, where the main operations are lasting and soling. The process ends with finishing operations in the finishing and packing room.

Skills

• Apply basic rules of maintenance to leather goods and footwear machinery

  Apply basic rules of maintenance and cleanliness on footwear and leather goods production equipment and machines that you operate.

Optional knowledge and skills

Source: Sisyphus ODB