Metal Cnc Machined Parts

Metal cnc machined parts process flow:
For the technological process of mechanical processing, the technicians determine the technological process to be adopted according to the quantity of products, equipment conditions, and the quality of workers, and write the relevant content into a technological document. This document is called a technological specification.
In order to facilitate the preparation, execution and production organization management of the process specification, it is necessary to divide the process into units of different levels. They are operations, setups, stations, steps and passes. The process is the basic unit in the process.
The machining process of parts consists of several processes.

process
The part of the process that a worker (or a group of workers) completes continuously on a work site (or a machine tool) on one (or several) workpieces at the same time is called a process. The basis for dividing the process is whether the work location changes and whether the work process is continuous.
For example: to process a batch of shafts on a lathe, each shaft can be roughed and finished continuously, or the whole batch of shafts can be roughed first, and then they can be finished in turn.
In this case, the processing includes only one process; in the second case, due to the interruption of the continuity of the processing process, although the processing is carried out on the same machine tool, it becomes two processes.
The working procedure is the basic unit that makes up the technological process and is also the basic unit of the production plan.

Install
In the machining process, the process of making the workpiece occupy a correct position on the machine tool or in the fixture and be clamped is called clamping. Sometimes, the workpiece needs to be clamped several times on the machine tool to complete - the work content of one process. Installation refers to the part of the process that is completed after the workpiece is clamped once.
For example, to process a shaft on a lathe, first process part of the surface from one end, then turn around and process the other end, the process content at this time includes two installations.

Station
When using an indexing (or shifting) fixture, a rotary table, or processing on a multi-axis machine tool, after the workpiece is clamped on the machine tool once, it has to go through thousands of positions for processing in sequence. The part of the process completed at the position is called the station.
In simple terms, the part of the process that is completed when the workpiece occupies a processing position relative to the machine tool or tool is called a station.

Work step
Under the condition that the machined surface, cutting tool, cutting speed and feed rate are constant, the part of the process that is completed continuously is called a work step. Also often referred to as "feed" in production.
In order to improve productivity, several cutting tools are used to process at the same time, and the working steps of several processing surfaces are called compound working steps, which can also be regarded as one working step.

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