introduction:ABSIts made of acrylonitrile、Synthesis of butadiene and styrene three chemical monomers。Each monomer has different properties:Acrylonitrile has high strength、Thermal and chemical stability;Butadiene is tough、Impact resistance;Styrene is easy to process、High finish and strength。In terms of form,ABSNon-crystalline material。The polymerization of the three monomers produces a terpolymer with two phases,One is styrene-Continuous phase of acrylonitrile, The other is the dispersed phase of polybutadiene rubber。ABSThe properties are mainly determined by the ratio of the three monomers and the molecular structure in the two phases。This can have a great impact on product design
2015-01-11 Reading quantity 2813
introduction: Abstract: A metal stamping die is built into the computer plug,The main design is a combination of punch and composite die,Through its linkage,Combine the traditional parting process into one,blanking、Bend and form in one go,The error is reduced,Ensure the quality,And it reduces costs,Increased productivity。 keyword: Stamping die;Combined punch;Composite die 0 introduction figure1Drawing of metal shell parts for computer plug,This part is mainly used for the computer connector plastic shape built-in insulation wire metal cover,Split into two,It closes just enough to cover the wire,In order to be outside of it
2015-01-11 Reading quantity 2805
introduction:Vegetable drying equipment selection Device name Common materials Belt dryer: Dehydrated vegetable、Pellet feed、Monosodium glutamate (MSG)、Essence of chicken、Shredded coconut Enhanced airflow dryer: Active gluten、Calcium citrate、Doughy bread with rice bran Rotary fast dryer: Soy protein、Gelatinous starch、Distillers grains、triticose、Wheat starch Spray belt dryer: molasses、Corn syrup、60%maltose、100%wort、Crystalline lactose、acidity
2015-01-11 Reading quantity 2814
introduction:Maximum die casting(zinc)weight:0.5kilogram Number of cycles: 10time/points 1、Abide by《General operating rules for casting equipment》Relevant provisions of。 2、And you have to do it before you go to work: a、 Check the oil level in the tank,If the oil level is lower than the upper limit of the visual oil window,Should be added clean30Machine oil; b、 Electric furnace is heated by electricity,And you have to plug in a thermocouple; c、 Heating jacket; d、 Preheat die casting mold according to process requirements; e、 Injection bracket through cooling water,Other parts of the cooling water supply point by point as needed; f、 Open storage
2015-01-11 Reading quantity 2804
introduction:At present, there are a large number of CNC equipment equipped with early operating system in our country,How to upgrade these devices to rejuvenate them is a very important question in front of everyone。This article presents just such an example,The content described in this paper is not only of practical significance to the transformation of similar equipment,And the upgrade of other similar equipment also has a certain reference role。 Suzhou SanguangDK7725eWire-cut machine operating system is based onDOSon-platform,whileCAXA-V2Wire cutting software is inWindows 98Application software developed on the platform。evident,us
2015-01-11 Reading quantity 2805
introduction:1、Cycloidal pinwheel reducers are allowed to be used in continuous working situations,Simultaneous allowable positive、Run in opposite directions。Some types of cycloidal pinwheel reducer only allow single direction rotation。 2、The speed rating of the input shaft is1500turn/points,The input power is greater than18.5Kilowatt-hour is recommended960turn/fractional6Polar motor supporting use。 3、The working position of the horizontal installation cycloidal pinwheel reducer is horizontal。The maximum horizontal inclination Angle at the time of installation is generally less than15°。over15°Other measures should be taken to ensure adequate lubrication and prevent oil leakage。 4、Cycloidal pinwheel reducer delivery
2015-01-11 Reading quantity 2898
introduction:mugong daoju Woodworking tool wood cutting tool A tool for cutting wood to the desired shape and size。Woodworking knife has two kinds of hand and machine,Woodworking tools for machines are used in both batch and mass production。Woodworking tools for machines are divided into saws、blade、Milling cutter、Drill and mortise cutting tools5class。 A knife used to cut wood,hacksaw、Band saw、Bar saw、Chain saws and barrel saws,Circular saws and band saws are most commonly used。It is slitted when the saw edge is parallel to the grain of the wood(subdivision),
2015-01-11 Reading quantity 2789
introduction:In terms of making jet casting molds and models,"Construcciones Mecánicas Solé" Decided to adopt high speed cutting technology。And not just because its a company that likes to think outside the box,There are also internal logical reasons。 In general,Although high-speed mold and model processing is still the future direction of development,But the market in this direction must be developed。A typical example of this development is "Construcciones Mecánicas Solé"corporation,One is located inCatalon
2015-01-11 Reading quantity 2797
introduction: SI…C、SA…CType rod end joint bearing[bearing:bearing(“Bearing”,Japanese person“Axial receptor”)It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said,When other parts move relative to each other on the shaft,A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The structure type and overall dimensions JK&nbs
2015-01-11 Reading quantity 1448
introduction: The selection of environmental and reliability test equipment should follow the following five basic principles: 1、Reproducibility of environmental conditions A complete and accurate reproduction of the environmental conditions that exist in nature in the laboratory is elusive。however,Within a certain tolerance range,One can accurately and approximately simulate the use of engineering products、storage、External environmental conditions experienced during transportation, etc。This paragraph is summarized in the language of engineering,exactly“The environmental conditions created by the test equipment surrounding the product under test(Platform environment)Product testing specifications should be met
2015-01-11 Reading quantity 2889