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introduction：Tungsten carbide injection steel-based alloy（Hereinafter referred to asWCSA）technology，Also known as tungsten carbide——Steel gradient wear-resistant material manufacturing technology。The technology has obtained the national invention patent，With independent intellectual property rights。WCSAIt uses high energy ion infiltration technology，Highly wear-resistant tungsten carbide is injected into the surface of the steel parts（Hereinafter referred to asWC），WCDepth of injection layer1.2-1.5mm，amongWCThe enriched layer with more content is reached0.3-0.5mm。Parts surface acquisitionWC“Armor”after,High hardness，Good strength and toughness,Better wear resistance。WCSAUsed in various plastic machinery，Service life is more plastic than present
2015-05-14 Reading quantity 2813
introduction：1、Comply with casting equipment general operating procedures。 2、Check the tightness and wear of the triangle belt，If too tight、Too loose，Or severely worn，Should be adjusted or replaced。 3、Start with a running test，Then run empty2-3minutes，Check the drive system（motor、retarder）And whether the movement of the press rod and the plug rod is normal，Just make sure everythings okay，Before production can proceed。 4、After work，When cleaning equipment，Sand accumulation in the tank and sleeve should be specially cleaned。
2015-05-14 Reading quantity 2810
introduction：A component in a gasoline engine ignition system that periodically transmits high voltage to the spark plugs of each cylinder in accordance with the cylinder firing sequence(See picture distributor )。In the battery ignition system﹐The distributor and breaker are usually placed on the same axis﹐It is driven by a valve camshaft。It also has an ignition advance Angle adjustment device and a capacitor。The breaker arm closes the contact with a spring plate﹐Use the power off CAM to open the contact﹐The opening gap is approximately0.30～0.45millimeter。The number of bumps of the power off CAM is the same as the number of cylinders。When the contact is open﹐The distributor arm is aligned with the corresponding side electrode﹐The induced high voltage is generated by the secondary coil
2015-05-14 Reading quantity 2846
introduction：one、Logical fetch and output instructions 1．Instruction action LD（take）Start instruction for normally open contact logical operation，LDI（negation）Is the normally closed contact logical operation start instruction，OUT（exportation）For coil drive，The driving object has an output relay（Y）、Auxiliary relay（M）、Status relay（S）、timer（T）、counter（C）Etc.。OUTInstructions cannot be used for input relays，OUTInstruction driven timer（T）、counter（C）when，Must set constantKOr data register value。 2．Use example figure1Be due toLD、
2015-05-14 Reading quantity 2932
introduction：Mechanism analysis On the existing institutions in the structure﹑Movement and power 3Aspects of the analysis made。The purpose of mechanism analysis is to grasp the principle of mechanism composition﹑Athletic performance and dynamic performance﹐To rationalize the use of existing institutions and maximize their effectiveness﹐Or provide basis for verification and improvement of design。In classical institutional science﹐Generally, only structural and kinematic analyses are made﹐Dynamic analysis is performed only on high-speed or high-precision mechanisms。Corresponding to mechanism analysis is mechanism synthesis。 Structural analysis The purpose of the analysis is to understand the composition of the various institutions and their impact on the movement。The structure formula of the mechanism(That is, the mechanism freedom formula
2015-05-13 Reading quantity 2837
introduction： Stop valve The stem axis of the globe valve is perpendicular to the sealing surface of the valve seat。The stem opening or closing travel is relatively short，And has a very reliable cutting action，This makes the valve very suitable for use as a medium for cutting off or adjusting and throttling。Once the disc of the globe valve is open，There is no longer any contact between the seat and the disc sealing surface，And has a very reliable cutting action，The valve is very suitable for cutting off or adjusting and throttling the medium。 Once the stop valve is open，There is no longer any contact between the seat and the disc sealing surface，consequently
2015-05-13 Reading quantity 2908
introduction：AmericaSolidWorksThe company is a high-tech company specializing in the development of 3D mechanical design software，The purpose of the company is to enable every design engineer to use the latest powerful world on their own microcomputerCAD/CAE/CAM/PDMSystem，The companys leading products are the worlds leading levelSolidWorkssoftware。 90Early era，The international microcomputer market has undergone fundamental changes，The performance of microcomputer has been greatly improved，And prices are falling，The excellent performance of the microcomputer is sufficient to run 3DCADsoftware。In order to develop the world blank 3D based on microcomputer platformCADSystem
2015-05-13 Reading quantity 2923
introduction：Cutting with a rotary milling cutter as a tool。Milling is generally carried out on a milling or boring machine,Machinable surface、groove、Various forms(spline、Gear and thread)And the special shape surface of the mold and other milling features are：①The teeth of the milling cutter participate in intermittent cutting periodically；②The cutting thickness of each tool tooth during the cutting process is changed。figure1 [Several common milling methods]It is several common milling processing methods。 Cutting speed (meter／points)Is the circular speed of the milling cutter edge。Milling feed has3Type representation：①Feed per minute(millimeter/points)，Represents the position of the workpiece per minute with respect to the milling cutter
2015-05-13 Reading quantity 2809
introduction：Review and prospect of new electroplating process and technology We have entered the twenty-first century。Facing this new century，How does the plating industry respond？Its really getting late、Have you done nothing？To answer this question，It is necessary to review the new electroplating process and technology in the last century，At the same time, the future of electroplating technology in the new century is prospected。 Due to the application of new surface treatment technology and the reduction of the amount of ferrous metal materials in the product structure，The application of traditional electroplating technology is shrinking，In this sense, it is good that the electroplating industry is a sunset industry。But we can also see it，From the 1950s
2015-05-13 Reading quantity 2889
introduction：Carbide tool class Carbide indexable face milling cutter Kr75°Face milling cutter with shank Kr75°Heavy duty face milling cutter Kr75°Face milling cutter Kr90°Face milling cutter Special face milling cutter Step face milling cutter Kr75°Aluminum alloy face milling cutter Kr75-90°Face milling cutter with dense teeth Indexable end mill Three-sided blade。Two-edge milling cutter Carbide integral tool Solid straight shank twist drill Solid straight shank end mill Solid alloy keyway milling cutter Solid ball end mill Solid straight shank reamer Solid alloy round rod Integral small bore boring tool entirety
2015-05-13 Reading quantity 2807
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