How to control the temperature of the drawing die

CVD(Chemical Vapor Deposition)It not only has the smoothness and temperature resistance of single crystal diamond,but also has the advantages of wear resistance and low price of polycrystalline diamond.It has made great achievements in replacing rare natural diamond in the preparation of drawing die tools With good results,its extensive use will bring new vitality to the wire drawing die industry.

　　2.High-performance ceramic materials have the characteristics of high hardness,good wear resistance,strong chemical stability,excellent high-temperature mechanical properties and not easy to bond with metals,and can be widely used in the processing of difficult-to-process materials.In the past thirty years,due to the effective control of raw material purity and grain size in the ceramic material manufacturing process,various carbides,nitrides,borides,oxides,whiskers or a small amount of metal addition technology have been developed.And the use of a variety of toughening and strengthening mechanisms have greatly improved the strength,toughness and impact resistance of ceramic materials.

　　3.Alloy steel mold is the early manufacturing material of wire drawing dies.The materials used to manufacture alloy steel molds are mainly carbon tool steel and alloy tool steel.However,due to the poor hardness,wear resistance and short life of alloy steel molds,they cannot meet the needs of modern production.Therefore,alloy steel molds are quickly eliminated,and alloy steel molds are almost invisible in the current production and processing.

　　4.The cemented carbide die is made of cemented carbide.Cemented carbide is a tungsten-cobalt alloy whose main components are tungsten carbide and cobalt.Tungsten carbide is the"skeleton"of the alloy,which mainly plays a hard and wear-resistant role;cobalt is the bonding metal and the source of the toughness of the alloy.Therefore,compared with alloy steel molds,cemented carbide molds have the following characteristics:high wear resistance,good polishability,low adhesion,low friction coefficient,low energy consumption,and high corrosion resistance.These characteristics make cemented carbide wire drawing The mold has a wide range of processing adaptability and has become the most widely used drawing die mold today.

　　5.Natural diamond is an allotrope of carbon,and the mold made with it has the characteristics of high hardness and good wear resistance.However,natural diamond is more brittle and difficult to process.It is generally used to make wire drawing dies with a diameter of less than 1.2mm.In addition,natural diamonds are expensive and the supply is scarce.Therefore,natural diamond molds are not the economical and practical wire drawing tools that people finally seek.

　　6.Polycrystalline diamond is made of carefully selected high-quality synthetic diamond single crystals plus a small amount of silicon,titanium and other bonding agents,polymerized under high temperature and high pressure conditions.Polycrystalline diamond has high hardness and good wear resistance.Compared with other materials,it has its own unique advantages:due to the anisotropy of natural diamond,during the drawing process,when the entire hole is around Under working conditions,natural diamond will wear preferentially at a certain position of the hole;while polycrystalline diamond is polycrystalline and has the characteristics of isotropy,thereby avoiding uneven wear of the die hole and out-of-round die hole.Compared with cemented carbide,the tensile strength of polycrystalline diamond is only 70%of commonly used cemented carbide,but it is 250%harder than cemented carbide.This makes polycrystalline diamond molds have more advantages than cemented carbide molds.The wire drawing die made of polycrystalline diamond has good wear resistance,uniform inner hole wear,strong impact resistance,high wire drawing efficiency,and the price is much cheaper than natural diamond.Therefore,the current polycrystalline diamond wire drawing die is widely used in the wire drawing industry.

　　7.Coated wire drawing die is a newly developed new technology, the main method is to coat metal film on the hard alloy wire drawing die.The metal film is a pure titanium coating,which not only has good finish,temperature resistance,but also has the advantages of titanium's wear resistance and low price.It has achieved good results in replacing hard alloy wire drawing die tools.

In today's fierce market competition, we will continue to increase investment in science and technology, improve product quality and perfect service system.  The pursuit of the life and finish of the wire drawing die is endless.  We are willing to continuously accept customer opinions, improve quality and service, and dedicate good products and good services to our customers