Profession sole and heel operator

Sole and heel operators attach soles or heels to the footwear by stitching, cementing or nailing. They may work with several machines, for example for slipping the lasts, or for roughing, dusting or attaching heels. They also operate various machines both for stitched or cemented constructions.

Personality Type

• Realistic / Conventional

Knowledge

• Footwear equipments

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

• Footwear bottoms pre-assembly

  The equipment and techniques used for the preparation of bottom components in the footwear industry, including soles, heels, insoles, etc.

• Assembling processes and techniques for cemented footwear construction

  Technology, equipment, machines and tools for lasting and soling in case of cemented footwear constructions.

• 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.

• 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.

• 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.

• 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 machinery

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

Skills

• Apply assembling techniques for cemented footwear construction

  Be able to pull the uppers over the last and fix the lasting allowance on insole, manually or by special machines for forepart lasting, waist lasting, and seat lasting. Apart from the main group of lasting operations, the responsibilities of those assembling footwear cemented types may include the following: bottom cementing and sole cementing, heat setting, sole attaching and pressing, chilling, brushing and polishing, last slipping (before or after finishing operations) and heel attaching etc.

• Apply footwear bottoms pre-assembling techniques

  Split, scour surfaces, reduce sole edges, rough, brush, apply primings, halogenate the soles, degrease etc. Use both manual dexterity and machinery. When using machines, adjust their working parameters.

Optional knowledge and skills

Source: Sisyphus ODB