TEACHING UNIT 1. TECHNIQUES AND PROCEDURES FOR CUTTING HAND-FORGED PIECES USING SHEARS, GUILLOTINES, AND SCISSORS
Shear, Guillotine, and Scissors Cutting: Tool Preparation and Adjustment.
Tool selection criteria based on various decision factors:
– Thicknesses.
– Dimensions.
– Cutting contours.
Shear cutting technique: applications in artisanal blacksmithing.
– Straight cutting of sheet metal.
– Curved cutting of sheet metal.
– Cold cutting of small and medium-sized profiles.
– Hot cutting of thick profiles.
Guillotine cutting technique: applications in artisanal blacksmithing.
– Straight cutting of thin sheet metal.
Shear cutting technique: applications in artisanal blacksmithing.
– Wire cutting
– Straight cutting of thin sheet metal.
– Curved cutting of thin sheet metal.
Quality, occupational, and environmental risks associated with shearing, guillotine, and scissor cutting techniques and procedures for pieces in artisanal blacksmithing.
– Cut quality.
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– Occupational hazards associated with cutting using shears, guillotines, and scissors. Storage and maintenance of tools to prevent hazards. Signage indicating tool hazards. Personal protective equipment.
– Environmental hazards. Scraps and waste. Reuse and recycling.
TEACHING UNIT 2. TECHNIQUES AND PROCEDURES FOR MANUAL AND MECHANICAL SAWING.
Hand tools for sawing metal:
– Background on chisel cutting.
– Types: bow saws and fine-tooth saws.
– Characteristics.
Mechanical metal-cutting sawing tools:
– Types: drill bits and drills, electric jigsaws, electric shears, grinders, band saws, and cut-off saws.
– Characteristics.
Tool selection criteria based on various decision factors:
– Thicknesses.
– Dimensions.
– Cutting contours as decision factors.
Sawing: tool preparation and adjustment.
Cooling systems and materials for the cutting process.
– Traditional systems.
– New systems.
Cutting techniques with hand saws: applications in artisanal blacksmithing. – Straight or slightly curved cuts in solid pieces or tubes using manual force.
– Mitered cuts in solid pieces or tubes using manual force.
– Artistic cutting of sheet metal using manual force.
Cutting techniques with power saws: applications in artisanal blacksmithing.
– Straight or slightly curved cuts in solid pieces or tubes without manual force.
– Mitered cuts in solid pieces or tubes without manual force.
– Artistic cutting of sheet metal without manual effort.
Quality, occupational, and environmental risks associated with manual and mechanical sawing techniques and procedures for pieces used in artisanal blacksmithing. – Cut quality. – Occupational risks associated with manual and mechanical sawing.
– Storage and maintenance of tools to prevent hazards. Hazard signage on machinery.
– Personal protective equipment.
– Environmental risks. Scrap and waste. Reuse and recycling.
TEACHING UNIT 3. PLASMA AND TORCH CUTTING TECHNIQUES AND PROCEDURES.
Plasma cutting system:
– Components: DC power generator, compressor; torch and its consumables: shield, retention cap, nozzle, electrode, and diffuser ring.
– Characteristics.
Oxy-fuel cutting system:
– Components: oxygen cylinders, fuel gas cylinder, hose, pressure gauges, torch, and nozzles.
– Characteristics.
Tool selection criteria based on various decision factors:
– Thicknesses.
– Dimensions.
– Cutting contours.
Plasma and oxy-fuel cutting:
– Tool preparation and adjustment.
– Use of templates.
Plasma cutting technique: applications in artisanal blacksmithing.
– Straight or slightly curved cuts in solid metal or tubes—quick and requiring no physical effort.
– Complex artistic cuts in sheet metal and solid metal—quick and requiring no physical effort.
Oxy-fuel cutting techniques: applications in artisanal blacksmithing.
– Straight or slightly curved cuts in solid pieces or tubes—quick and requiring no physical effort.
– Complex artistic cuts in sheet metal and solid pieces—quick and requiring no physical effort.
Quality, occupational, and environmental risks associated with plasma and oxy-fuel cutting techniques and procedures for pieces in artisanal metalwork.
– Quality in plasma and oxy-fuel cutting.
– Occupational risks associated with plasma and oxy-fuel cutting.
– Storage and maintenance of tools to prevent risks. Risk signage on machinery.
– Personal protective equipment.
– Collective protective equipment: fume extraction.
– Environmental risks. Scrap and waste. Reuse and recycling.
