For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The
Mold material The performance of the molding material should not only ensure the convenient production of investment molds with accurate dimensions and high surface finish, good strength and light weight, but also create conditions for the manufacture of mold shells and good castings. Molding materials are generally formulated with waxes, natural resins and plastics (synthetic resins). All mold materials mainly prepared with wax materials are called wax-based mold materials, and their melting point is low, 60~70 ° C; all mold materials mainly prepared with natural resins are called resin-based mold materials, with a slightly higher melting point, about 70 °C. ~120℃. invest-casting.com Precision Investment Castings China prototype company service include : High Quality Investment Casting Parts Custom , Lost Wax Investment Casting Sand Casting , Lost Foam Casting , Gravity Casting , Die Casting , Graphite Casting , Casting Moldsmanufacturers . Manufacture of Folding Investments In t
How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually
A type of fastener consisting of a head and a screw (cylindrical body with external thread) to be fitted with a nut for fastening two parts with through holes.This type of connection is called the bolt connection. If the nut is unscrewed from the bolt, it can also make the two parts separate, so the bolt connection is a detachable connection.
(2) screws:
A kind of fastener composed of head and screw can be divided into three types according to their uses — machine screws, setting screws and screws for special purposes.Machine screws are mainly used for fastening connection between a part with an internal threaded hole and a part with a through hole, without nut matching (this connection form is called screw connection, also a detachable connection;It can also be used with a nut for fastening connection between two parts with through holes.Set screws are mainly used to fix the relative position between two parts.Special purpose screws are ring screws for lifting parts.
The best material is 316 corrosion resistant stainless steel, followed by 304.Carbon steel is the next most common material.
The standard of hexagon nut and utility have what
As a standard part, nuts and rivets with pull mandrel have their own standards.Xiaobian on the hexagon nut standard is summarized for the difference and connection and their use.
For hexagon nuts, the commonly used standards are:
GB41 Ⅰ Hexagon nuts — Class C
GB6170 Ⅰ type hexagon nut — A, B grade
GB6171Ⅰ Hexagon nuts — fine tooth — grade A and B
GB6172 Hexagon thin nuts — Class A and B — Chamfered
GB6173 Hexagon thin nuts — fine tooth — grade A and B
GB6174 Hexagon thin nuts — Class B — No chamfering
GB6175Ⅱ type hexagon nut — A, B grade
GB6176Ⅱ type hexagon nuts — fine tooth — grade A and B
GB6177 Hexagon flange nuts — Class A
GB55 hexagon thick nut
GB56 hexagon ultra thick nut
GB1229 Hexagon nuts (high strength for steel structures)
1, ordinary hexagon nuts: widely used, characterized by large fastening force, the disadvantage is that there should be enough operating space in the installation, the installation can use a live wrench, open wrench or glasses wrench, the wrench above all need a lot of operating space.
2, cylinder head hex nut, is the most widely used in all the screws, because its binding force is larger, can use Allen key operation, the installation is very convenient, when used in almost all kinds of structure, more beautiful and tidy appearance, defect is slightly lower than outside hexagonal fastening force, also repeated use can't remove the socket head broken easily.
3, disk head hexagon nut: rarely used in machinery, mechanical properties of the same, mostly used in furniture, the main role is to increase the contact surface with wooden materials and increase the appearance of the ornamental.
4, headless hexagon nut: some structures must be used, such as the need for a large jacking force of the top wire structure, or the need to hide the place of the cylindrical head.
5, countersunk hex socket nut: mostly used in power machinery, the main role of the same hex socket.
6. Nylon lock nut: it is inlaid with nylon apron in hexagonal face to prevent loosening of thread. It is used in strong power machinery.
7, flange nut: mainly play a role in increasing the contact surface with the workpiece, mostly used in pipes, fasteners and some stamping and casting parts.
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