Sheet metal craft code

⒈ Scope of application

⒈1 This code applies to the cutting of material blanks with straight edges of various ferrous metals and other similar blanking.

⒈2 The basic thickness of the material to be cut is 0.5-6 mm, and the maximum width is 2500 mm.

⒉ Material

⒉1 The material should meet the technical requirements.

⒉2 The material is cold-rolled steel plate, and serious scratches, scratches, impurities and rust spots on the surface are not allowed.

⒊ Equipment and process equipment and tools.

⒊1 Board, pliers, oil can, screwdriver, hand hammer.

⒊2 Vernier caliper, outside micrometer, steel plate ruler, steel tape measure, square ruler, drawing needle.

⒋ Process preparation

⒋1 Familiar with drawings and related process requirements, and fully understand the geometric shape and size requirements of the processed parts.

⒋2 Pick up materials according to the required material specifications in the drawings, and check whether the materials meet the requirements of the process.

⒋3 In order to reduce consumption and increase the utilization rate of materials, it is necessary to adopt reasonable calculation methods.

⒋4 Place qualified materials neatly beside the machine tool.

⒋5 Add oil to the oil holes of the shears.

⒋6 Check whether the shear blades are sharp and fastened firmly, and adjust the blade gap according to the thickness of the sheet