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introduction：A machine tool fixture that is automatically transported and transferred between stations with the installed workpiece during cutting。The accompanying fixture is mainly in the automatic production line﹑Machining center﹑Flexible manufacturing systems and other automated production﹐Used for irregular appearance﹑It is not easy to automatically locate﹑Clamp and transport the workpiece。After the workpiece is installed and positioned on the accompanying fixture﹐The accompanying fixture is transported to each station by the conveyer。The accompanying fixture is generally positioned on the machine by its bottom plane and two positioning holes﹐It is clamped by the clamping mechanism of the machine table﹐Thus ensuring the relative position of the workpiece and the tool。When the workpiece processing accuracy requirements are high﹐The bottom plane of the accompanying fixture is often divided
2015-03-31 Reading quantity 2765
introduction： With a whetstone mounted on the honing head(Also known as honing strip)The finishing of a finished surface(See machining)。Honing is mainly used for machining apertures5～500Various cylindrical holes mm or larger﹐cylindric﹑Valve hole﹑Connecting rod holes and box holes, etc﹐The ratio of hole depth to aperture is up to10﹐Even bigger。Under certain conditions﹐Honing can also process the outer circle﹑plane﹑Spherical surface and tooth surface, etc。The surface roughness of cylindrical honing is generally up to scratchR0.32～0.08micron﹐Fine honing can be reachedR0.04submicron﹐and
2015-03-31 Reading quantity 2780
introduction：fenzishai xifubeng Molecular sieve adsorption pump molecular sieve adsorption pump A vacuum pump that is pumped by physical adsorption of molecular sieve at low temperature。Molecular sieve adsorption pump has simple structure、oil-free、Vibration-free noise，It is a commonly used vacuum pump to obtain an oil-free vacuum，It is commonly used as the front pump of oil-free vacuum units or the maintenance pump of ultra-high vacuum units。 The atoms or molecules on the surface of all solid substances are in a different state from the atoms or molecules inside the solid。The attraction of atoms or molecules inside a solid
2015-03-31 Reading quantity 2788
introduction： Assembly lineAssembly line LayoutArrangement drawing ConveyerPipeline material board Rivet tableRivet machine Rivet gunRivet gun Screw driverscrewdriver Electric screw driverElectric driver Pneumatic screw driverPneumatic driver worktable worktable OOBAUnpacking inspection fit togetherAssemble in one
2015-03-31 Reading quantity 2783
introduction： 【Main use】 This machine is widely used in pharmaceutical、Chemical engineering、Food and other industries，The wet powdery material is made into particles，Can also crush bulk dry materials。 【Working principle】 The roller is oscillated by mechanical transmission，The material is extruded from the screen into pellets or crushed into pellets。 【Technical parameter】 type No. YK-100 YK-16
2015-03-31 Reading quantity 2776
introduction：For self-aligning bearings[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。]As for，When loading the bearing with shaft into the housing shaft hole，The intermediate mounting ring prevents the outer ring from tilting and rotating。What should be remembered is this，Some sizes of self-aligning ball bearings have the ball protruding from the side of the bearing，So the middle mounting ring should be recessed，Prevent damage to ball。A good deal of
2015-03-31 Reading quantity 1535
introduction： Chinese hydraulic pressure（Fluid content，The same below）、Pneumatics and seals industry development history，It can be divided into three stages，namely：20century50Early arrival60The beginning of the decade was the initial stage；60~70The era is the growth stage of specialized production system；80~90The era was a stage of rapid development。 among，Hydraulic industry50The beginning of the decade from the machine tool industry to produce imitation Sue grinding machine、Broaching machine、Copying lathe and other hydraulic transmission start，The hydraulic components are produced in the hydraulic workshop of the machine tool factory，Produce for your own use。enter60post-decade，The application of hydraulic technology has been gradually extended from machine tools to agricultural machinery and construction machinery，
2015-03-31 Reading quantity 2779
introduction：31：Material shear section can be divided into several parts？ a：Corner collapse，Euphotic zone，Shear fracture zone，burr。 32：What kinds of correction？ a：Partial manual correction，Mechanical correction，Flame correction。 33：What is the benchmark？ a：Part drawing is used to identify other points，line，Cotton position of the point line surface。 34：What is plasticity？ a：Metal materials under the action of external forces，The ability to permanently deform without breaking。 35；What is toughness？ a：The ability of metallic materials to withstand impact loads。 36：Prevent welding deformation
2015-03-31 Reading quantity 2873
introduction： service，It can be optimized on the machine when the workpiece is initially positioned。hereon，The tool data set is also determined（table）And the overall length and disassembly length of the tool，These are in line with the desired configuration of the processing equipment。As for subsequent orders，The important thing is that the assembly time can be reduced，The quality of the workpiece and the service life of the tool can remain unchanged；The same is true for preparing knives。therefore，In order to set the rated length to the original specification as much as possible，The disassembly length is very important。The adjustment accuracy here is in0.1mmThe range of，The actual length can then be added by correcting the data
2015-03-31 Reading quantity 2871
introduction：Grooved wheel mechanism A unidirectional intermittent motion mechanism composed of a groove wheel and a cylindrical pin﹐Also known as the Marta Agency。It is often used to convert the continuous rotation of the driver into a one-way periodic rotation of the follower with a stop。The groove wheel mechanism has two forms of external engagement and internal engagement。The groove wheel and the rotor of the external engaging groove wheel mechanism turn opposite﹐The inner meshing is the same。Single arm outer engaging groove wheel mechanism(See picture Single arm outer engaging groove wheel mechanism )By swivel arm with cylindrical pin﹑possess4A groove wheel and a frame are composed of a radial groove。When the cylindrical pin on the continuously rotating boom enters the radial groove﹐Toggle the groove wheel over2Angle﹔When the cylindrical pin is turned out of the radial groove﹐slot
2015-03-31 Reading quantity 2867
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