The value and significance of the division of production and processing stages in hardware processing

Although metal processing is the processing of small parts and accessories, production management and on-site management have to refer to scientific management systems, standards and methods for various production factors on the production site, including people (workers and managers), machines (equipment, equipment, Reasonable and effective planning, organization, coordination, control and testing of tools, station appliances, tooling fixtures), materials (raw materials, auxiliary materials), methods (processing and inspection methods), environment (environment), and information (information), etc. It is in a good combination and achieves the purpose of high quality, high efficiency, low consumption, balanced, safe and civilized production.

Therefore, when we do hardware processing, we will divide the hardware processing into production and processing stages, which are mainly divided into the following stages

(1) Guarantee the processing quality of hardware accessories

When the hardware parts are roughed, the metal layer is thicker, the cutting force and tightening force are larger, and the cutting temperature is higher, which will cause greater deformation. According to the processing stage, the machining errors caused by rough machining can be corrected by semi-finishing and finishing to ensure the processing quality of the parts.

(2) It is convenient to find the defects of the hardware accessories processing blanks in time

The various defects of the blank (such as blowholes, sand inclusions and insufficient allowance of castings) are found after rough machining, which is convenient for timely repair or decision to scrap, so as to avoid unnecessary waste caused by continued processing.

(3) Easy to arrange heat treatment process

After rough machining, stress relief heat treatment is generally arranged to eliminate internal stress. Before finishing, arrange final heat treatment such as quenching. The deformation caused by heat treatment can be eliminated by finishing.

(4) Reasonable use of hardware accessories processing equipment

The rough machining allowance is large and the cutting amount is large. A machine tool with high power, good rigidity, high efficiency and low precision can be used. The cutting force of finishing is small, and the damage to the machine tool is small, and the high precision machine tool is adopted. In this way, the respective characteristics of the equipment are exerted, which can not only improve productivity, but also extend the use of precision equipment.