Machining process
Machining is suitable for parts, molds, models, etc., which are large, complex in structure, and processed with various materials. According to the different quantity and product structure of the product, the corresponding process can be selected and corresponding product solutions can be provided.
01. Processing equipment
1). Ordinary lathe:
Lathes are mainly used to process shafts, discs, sleeves and other workpieces with revolving surfaces, and are the most widely used type of machine tool in machinery manufacturing. (Accuracy of 0.01mm can be achieved)
2). Ordinary milling machine:
It can process planes, grooves, various curved surfaces, gears, etc., and can also process more complex profiles. (can achieve an accuracy of 0.05mm)
3). Grinder
A grinder is a machine tool that grinds the surface of a workpiece. (Accuracy of 0.005mm can be achieved, small parts can be achieved 0.002mm)
4). CNC lathe
The main processing batch products, high-precision parts and so on. (Accuracy of 0.01mm can be achieved)
5). CNC milling machine
It mainly processes batch products, high-precision parts, complex parts, large workpieces, etc. (Accuracy of 0.01mm can be achieved)
6). Wire cutting
The electrode used for the slow-moving wire is brass wire, and the middle wire is molybdenum wire. The slow-moving wire has high processing precision and good surface finish. Process some fine holes, fine grooves, etc. (Slow wire travel can achieve an accuracy of 0.003mm, and medium wire travel can achieve an accuracy of 0.02mm)
7). Spark machine
EDM can process materials and complex-shaped workpieces that are difficult to cut by ordinary cutting methods, and is not affected by material hardness and heat treatment conditions. (Accuracy of 0.005mm can be achieved)
02. Process knowledge
1) Hole milling with an accuracy of less than 0.05mm cannot be done, and CNC machining is required; if it is a through hole, it can also be wire-cut.
2) The fine hole (through hole) after quenching needs wire cutting; the blind hole needs rough machining before quenching and finishing after quenching. The non-fine holes can be in place before quenching (leave a quenching allowance of 0.2mm on one side).
3) Wire cutting is required for grooves with a width of less than 2mm, and wire cutting is also required for deep grooves with a depth of 3-4mm.
4) The minimum allowance for rough machining of quenched parts is 0.4mm, and the allowance for rough machining of non-quenched parts is 0.2mm.
5) The thickness of the coating is generally 0.005-0.008mm, and the processing should be based on the size before plating.