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Austenitic 304 stainless steel is a very common stainless steel with corrosion resistance, heat resistance, low-temperature strength, and overall mechanical properties. It is widely used in food equipment, chemical equipment, and nuclear industry equipment.

Product characteristics of automatic lathe processing:

1. Products that undergo large-volume lathe processing are only suitable for automatic lathe processing. The automatic lathe is highly efficient because it can realize fully automatic processing of workpieces and adopt a special automatic feeding mechanism and tooling fixture, but many parts are designed specially to greatly improve the efficiency, so once the batch of workpieces is too small, it is necessary to adjust the tooling fixture and automatic feeding mechanism, etc. to use an automatic lathe for processing, which is rather troublesome.

2. The structure of the product or workpiece should be suitable for fully automatic feeding processing. When using an automatic lathe for processing, the structure of the workpiece should be suitable for fully automatic sorting of the workpiece and fully automatic feeding. (For example, whether the workpiece can be fed by an automatic feeding mechanism such as a vibrating plate or whether the long shaft parts are suitable for automatic feeding by hopper, and it is not possible to do manual feeding on the guide rail; the workpiece is suitable for automatic processing only when its cross-section is round, hexagonal, etc., and it is difficult to process fully automatically when its shape is more complicated).

3. Whether the material of the workpiece is suitable for fully automatic processing. Generally, brass, zinc alloy, ordinary carbon steel, and other materials have better processing performance and less wear and tear on tools, so they are more suitable for automatic lathe processing. The parts with poor machining performance such as high-speed steel and stainless steel are more difficult to process, and the tool wear is serious when processing or the materials such as brass are more troublesome to drain when processing, and some other steels are more serious in processing hardening, etc. They are not quite suitable for automatic lathes to carry out automatic processing.

4. Whether the diameter size, length and processing process of the workpiece are suitable for automatic lathe processing.

To determine whether a workpiece is suitable for automatic processing by automatic lathe, many aspects should be analyzed, and not only the products of mass production must be suitable for automatic processing by automatic lathe.

Cutting and machining characteristics of stainless steel:

The processing difficulty of stainless steel from easy to difficult order is ferritic → martensitic → austenitic → austenitic plus ferritic → precipitation hardening. The cutting and machining characteristics of stainless steel are described as follows:

1. The trend of machining hardening is serious: the processing of stainless steel are machining hardening tendency, especially austenitic and austenitic plus ferritic stainless steel is particularly prominent. The hardness of the hardened layer can reach HV560, more than twice the hardness of the raw material, and the depth of the hardened layer can reach 1/3 of the depth of cut or greater. The reason for the hardening is the good plasticity of stainless steel (§ > 35%), such as 0Cr18Ni9, 1Cr18Ni9Ti, 2Cr18Ni19, Cr18Mn10Ni5M03 elongation are greater than 40%, is 210-240% of 40Cr, is more than 150% of 45# steel, so in plastic deformation lattice distortion is serious, the strengthening factor is large.

2. Small thermal conductivity: the thermal conductivity of stainless steel is small, that is, poor thermal conductivity, such as austenitic stainless steel is only about 28% of the general steel, so the cutting process in the cutting can not be timely through the workpiece, chip conduction out, and cause a large number of cutting heat concentrated near the cutting edge, so that the cutting temperature is greatly increased, such as 18-8 type stainless steel cutting temperature up to The cutting temperature of 45# steel is only 700~7500C.

3. Cutting force: high-temperature strength of stainless steel, high hardness, such as austenitic stainless steel, for example, its temperature up to 7000C, its comprehensive mechanical properties are still higher than the general structural steel, coupled with its plasticity, good toughness, more energy consumed in the cutting process, so that the cutting force increases, such as turning 1Cr18Ni19Ti unit cutting force than 45# steel unit cutting force of 25% higher.

4. chip is not easy to break, easy to produce chip tumor: due to the toughness of stainless steel, plasticity is large, so in the turning process, the chip continuous, which not only affects the smooth operation, causing safety accidents but also squeeze has been processed surface. Stainless steel contains Cr, Ni, Ti, Mo, and other elements, these elements and other metals are new and strong, easy to produce adhesion phenomenon, and the formation of chip tumors. Such as the austenitic stainless steel Lang brittle zone occurs at about 2000C or lower temperature, while the carbon steel Lang brittle zone occurs at about 3000C, which means that cutting austenitic stainless steel chip tumor temperature is lower than that of carbon steel.

Packing: Inner is Poly foam, out is carton. Then pallet. Carton size: 29*19*19.5CM and 23.5*17.5*8, CM and pallet size is: 215*100*90CM, or as your requirement.

Packing for CNC Aluminum parts:

1. Usual packing: By pearl cotton/bubble bag/plastic wrap + carton box, 0.5-10kg/carton box.

2. Special packing(for large part/large quantity order): By pearl cotton/bubble bag/plastic wrap +carton box+wooden box.

3. As customers' requirement for CNC aluminum parts