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introduction：An abbreviation of a commonly used plastic name Abbreviated symbol Plastic name Abbreviated symbol Plastic name AAS Propenyl - acrylic acid - styrene PDAP Polydiallyl phthalate ABS Acrylobutadiene styrene PVAC Polyvinyl acetate cheese ACS Propylene crotch monochlorinated polyethylene styrene PVAL Polyvinyl alcohol AI—K Acetate resin PETP Polyethylene terephthalate ASA Allyl - styrene - acrylic acid PF Phenolic resin CA Cellulose acetate N Polyimide CAB ding
2015-01-09 Reading quantity 2936
introduction：The application of plastic products is closely related to our lives，Injection molding and extrusion molding are currently the most economical and energy saving processing methods in processing。Among them, plastic plasticizing screw is the most important key component，Different plastics have their own physical properties，The design of plastic plasticizing screw is also different。For the design of plastic plasticizing screw, the rule of thumb has been used in the past, which is costly and not necessarily able to solve the problem，Therefore, some details in the design of plastic plasticizing screw are worth our discussion and analysis。 Introduction of plastic plasticizing screw The solid plastic raw material enters the screw groove from the feed funnel(screw channel)Within the
2015-01-09 Reading quantity 2819
introduction： IKOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]Whether the installation and disassembly are correct，It will affect the accuracy of the bearing、Life and performance。Complete the installation and removal with the correct instructions or technical deployment of the engineer。 IKOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。Inlet shaft
2015-01-09 Reading quantity 1570
introduction： Rolling 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。]Some of the common terms and their definitions，The main introduction to rolling bearings、Radial bearing、Thrust bearing、Ball bearing、Roller bearings, etc： (one)General introduction to rolling bearings： 1.Rolling bearing：A shaft for rolling motion between supporting loads and parts moving relative to each other
2015-01-09 Reading quantity 1471
introduction： 1．Screw loose fixed 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。]Seat bolt。willIKOImported bearing[Imported bearing:Simply put, imported bearing agents refer to
2015-01-09 Reading quantity 1568
introduction：Introduction to extrusion honing technology one、summarize： Extrusion honing：Also known as abrasive flow processing，This process uses a semi-solid type of abrasive，Under the action of the extrusion honing machine，The abrasive is made to reciprocate on the surface of the machined part，Grinding and polishing of various cavities, cross apertures and edges of parts、A new technology for deburring round corner。 Due to the rapid development of science and technology，This technology has been applied in aerospace technology and weapons industry、It also extended to textiles、Medical treatment、sewing、Precision gear、bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Be at
2015-01-09 Reading quantity 2908
introduction： 1）Computer numerical control （Computerized Numerical Control, CNC） The machining function is controlled by computer，Implement numerical control。 2）shaft（Axis）The reference direction along which the parts of the machine tool can move in a straight line or rotate。 3）Machine coordinate system（ Machine Coordinate Systern ）Fixed on the machine tool，Cartesian coordinate system based on machine zero。 4）machine
2015-01-09 Reading quantity 2878
introduction：chaoyue liheqi Overrunning clutch overrunning clutch Use the tooth engagement、Ratchet wheel -The engagement or roller of a pawl、A clutch that transmits movement or torque in one direction。A roller overrunning clutch is commonly used（See picture[Roller overrunning clutch]），It consists of an inner ring、roller、Outer ring、Spring and top pin, etc。Generally, the inner ring is an active part，The outer ring is a follower。When the inner ring is turned counterclockwise，The roller is wedged tight to turn the outer ring，Clutch engagement；When the inner ring rotates clockwise，Roll back into the wide slot，Outer ring rule
2015-01-09 Reading quantity 2792
introduction： So-called 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。]play，That is, when the bearing is not installed in the shaft or bearing box，Fasten one of its inner or outer rings，Then the amount of movement when the unfixed party makes a radial or axial movement。By direction of movement，It can be divided into radial clearance and axial clearance。 turn
2015-01-09 Reading quantity 1492
introduction： A flat connecting rod mechanism that uses a crank and a slider to rotate and move each other﹐Also known as crank linkage mechanism。In the crank slider mechanism, the member constituting the moving pair with the frame is a slider﹐Through turning pairA ﹑B The member connecting the crank and the slider is a connecting rod(figure1 Crank slider mechanism schematic )。When the mechanism moves﹐Hinge center B The trajectory of the crank does not pass through the center of rotationO ﹐It is called an offset crank slider mechanism(figure1a Crank slider mechanism schematic )﹐Where is the offset。Such as taking different components for the frame﹐A rotating guide bar mechanism can also be obtained(figure1b Crank slider mechanism schematic )﹑crank
2015-01-09 Reading quantity 2812
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