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Mechanical parts processing procedures
by：Foxron
2021-11-18
In order to facilitate the preparation, execution and production organization management of the process regulations, the process needs to be divided into units of different levels. They are process, installation, station, work step, and knife pass. The process is the basic unit in the process.
Process
The part of the process that a worker (or a group of) continuously completes one (or several at the same time) workpieces at a work site (or a machine tool) is called a process. The division of processes is based on whether the work location changes and whether the work process is continuous.
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 multiple times on the machine tool to complete-the work content of a process. Installation refers to the part of the process content completed after the workpiece has been clamped once
For example, when machining a shaft on a lathe, first process a part of the surface from one end, then turn around and then process the other end. At this time, the process involves two installations.
Workplace
When using indexing (or shifting) fixtures, rotary worktables or machining on a multi-axis machine tool, after a workpiece is clamped on the machine tool, it must pass through thousands of positions for processing in turn, and the workpiece occupies on the machine tool The part of the process that is completed in each position is called the station
Simply put, the part of the process content that the workpiece occupies a processing position relative to the machine tool or tool is called the workstation.
Step
Under the condition that the machined surface, cutting tool, cutting speed and feed rate remain unchanged, the part of the process that is continuously completed is called a process step. It is also often referred to as 'feed' in production.
In order to improve productivity, the process of using several tools to process several surfaces at the same time is called a compound process step, which can also be regarded as a process step.
Knife
The part of the process step completed by the machining tool on the machined surface is called the tool pass.
Process
The part of the process that a worker (or a group of) continuously completes one (or several at the same time) workpieces at a work site (or a machine tool) is called a process. The division of processes is based on whether the work location changes and whether the work process is continuous.
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 multiple times on the machine tool to complete-the work content of a process. Installation refers to the part of the process content completed after the workpiece has been clamped once
For example, when machining a shaft on a lathe, first process a part of the surface from one end, then turn around and then process the other end. At this time, the process involves two installations.
Workplace
When using indexing (or shifting) fixtures, rotary worktables or machining on a multi-axis machine tool, after a workpiece is clamped on the machine tool, it must pass through thousands of positions for processing in turn, and the workpiece occupies on the machine tool The part of the process that is completed in each position is called the station
Simply put, the part of the process content that the workpiece occupies a processing position relative to the machine tool or tool is called the workstation.
Step
Under the condition that the machined surface, cutting tool, cutting speed and feed rate remain unchanged, the part of the process that is continuously completed is called a process step. It is also often referred to as 'feed' in production.
In order to improve productivity, the process of using several tools to process several surfaces at the same time is called a compound process step, which can also be regarded as a process step.
Knife
The part of the process step completed by the machining tool on the machined surface is called the tool pass.
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