Machine Tool Parts Processing Technology: Understanding How to Manufacture Parts from Two Dimensions

The essence of machine tool parts processing is to change the size, shape, or performance of a workpiece through mechanical or thermal means. The industry typically classifies process types based on temperature state and forming method, which directly determine the part's accuracy, cost, and applicable scenarios: 1. By Temperature State: Cold Working vs. Hot Working - Cold Working: Performed at room temperature without changing the workpiece's chemical or phase structure (e.g., steel does not transform into other materials due to processing). Common methods include cutting (turning, milling, drilling, grinding, etc.) and pressure processing (shape modification through pressure, such as stamping and rolling). Cold working offers high precision (up to the micron level), suitable for parts requiring precision fitting (e.g., machine tool guide rails, precision gears). - Hot Working: Conducted at temperatures above or below room temperature, altering the workpiece's chemical or phase properties. Common methods include heat treatment (adjusting hardness through heating and cooling, e.g., quenching), forging (shaping via high-temperature hammering), casting (pouring molten metal into molds), and welding (fusing materials via high temperature). Hot working is suitable for mass-producing complex-shaped parts (e.g., machine tool beds, large castings) but generally has lower precision than cold working. 2. By Forming Method: Additive Processing vs. Subtractive Processing - Additive Processing: Forming parts by adding materials, such as casting (pouring liquid metal into molds), forging (shaping solid metal via hammering), and 3D printing (layer-by-layer deposition of powder or resin). Additive processing is ideal for manufacturing complex geometries (e.g., parts with internal hollow structures) or mass-produced standard parts, with lower costs. - Subtractive Processing: Obtaining the target shape by removing materials, the most common method in machine tool parts processing. It includes turning (cutting excess material from rotating workpieces with lathe tools), milling (cutting planes/grooves with rotating milling cutters), grinding (polishing high-precision surfaces with grinding wheels), wire cutting (electroerosion cutting of hard materials with molybdenum wires), and laser cutting (cutting thin metal sheets with high-power lasers). Subtractive processing offers high precision, suitable for customized or high-precision parts (e.g., CNC turrets, precision lead screws). II. Common Equipment for Machine Tool Parts Processing: Tool Matrix from Traditional to CNC Different processes correspond to different equipment, and the precision and automation of equipment directly determine the upper limit of part quality. Below are the most commonly used equipment types in machine tool parts processing: 1. Traditional Machine Tools: Workhorses of Basic Processing - Lathes: Rotate the workpiece and use lathe tools to cut cylindrical, conical, or threaded shapes. They are core equipment for processing shaft and disc parts (e.g., gear shafts, flanges). - Milling Machines: Use rotating milling cutters as the primary motion to machine flat surfaces, grooves, or formed surfaces (e.g., machine tool worktables, guideway grooves). - Drilling Machines: Use rotating drill bits to drill holes (e.g., locating holes, thread bottom holes in parts), serving as basic processing equipment for hole-type parts. - Grinding Machines: Use abrasives like grinding wheels or oilstones to grind workpiece surfaces, achieving extremely high precision (e.g., micron-level flat or cylindrical surfaces). Suitable for parts requiring mirror finishes or high-precision fits (e.g., machine tool spindles, bearing seats). - Planing Machines: Use reciprocating planers to machine flat surfaces and grooves (e.g., T-slots in machine tool beds), suitable for mass-producing simple-shaped parts. https://www.czyuqing.com/processing_of_various_weldments_show/668.html

Post Weld Machining