Batch Smart quick quote，
Export quotation with one click，
One-click order
Monday to Saturday8:30-18:00
introduction： Measurement of flatness errors in length measurement techniques。A plane is made up of straight lines﹐So straightness measurement in the rule method﹑Optical collimation﹑Optical autocollimation﹑The gravity method is also suitable for measuring flatness errors。When measuring flatness﹐First measure the straightness of some sections﹐Then the measurement values of each measuring point are defined according to the flatness tolerance zone(See form and position tolerance)The flatness error can be obtained by means of graphical or computational data processing。There are also use of light wave interference method and plate coloring method to measure the plane error。Light wave interference
2015-01-11 Reading quantity 2816
introduction：A pressure vessel in which the internal pressure is less than the external pressure。Vacuum containers and submersible shells for Marine development﹐All belong to this type of container。The failure mechanism of external pressure vessel is different from that of internal pressure vessel。Dangwai﹑The internal pressure difference reaches a certain value﹐The container will crumple due to loss of stability﹐This pressure difference is called the critical pressure for buckling。Different waveforms appear after the cylindrical vessel is unstable﹐The long cylinder presents two waves﹐The short cylinder will have more than two waveforms(See picture The waveform of the vessel after instability )。The critical pressure for instability depends on the elastic modulus of the material﹑Poissons ratio and the diameter of the cylinder﹑Length and wall thickness。Other parameters being equal
2015-01-11 Reading quantity 2898
introduction： Mold is an important tool used in the process of tire vulcanization，The mold is inevitably subject to rubber during use、Combined deposition contamination of the compound and the release agent used in the vulcanization process(The main pollutant is sulfide、Inorganic oxide、Silicone oil、Carbon black)，Repeated use will cause some pattern contamination dead zones。therefore，The mold must be cleaned regularly to ensure the cleanliness of its surface，In order to ensure the quality of the tire and the life of the mold，In view of this，The development of tire mold cleaning technology is concerned by the industry。 There are two traditional cleaning methods for tire molds： 1.1Mechanical cleaning
2015-01-11 Reading quantity 2900
introduction： Institute of high temperature Materials, General Institute of Iron and Steel Research100081 Abstract：This paper introducesCAPrecision casting process。The emphasis is on computer aided engineering，Including three dimensionsCAD、Application of numerical simulation of solidification process in the development of precision castings。I-DEASIt can be easily designed in 3D or reverse-engineered，Obtain 3D model，Then through rapid prototyping technology，The cast prototype can be obtained quickly；withProCastThe casting process was simulated，To optimize pouring parameters，Casting defect elimination。 keyword：CAPrecision casting computer aided engineering
2015-01-11 Reading quantity 2837
introduction：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 metallurgical quality of the material used to be affectedINAThe main factors of early bearing failure。Following metallurgical technique（For example, vacuum degassing of bearing steel）The improvement of，The quality of raw materials has improved。The proportion of raw material quality factor in the failure analysis of the whole eccentric bearing has decreased significantly，But it
2015-01-11 Reading quantity 1580
introduction： general-meaningIKOBearing fatigue life refers to a certain technical state（structure、Process state、cooperate、Install、Clearance and lubrication status, etc）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。]，Operate in the actual use of the host，Until the rolling surface is tired
2015-01-11 Reading quantity 1566
introduction：1、Turntable 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。]Installation of Turntable bearing before installation，You have checked the installation surface of the host，The supporting parts are required to have sufficient strength，The connecting surface should be machined，surface
2015-01-11 Reading quantity 1593
introduction：In the past，Machining a sawtooth on a part requires an additional operation on a milling machine or broaching machine。This requires a separate setup on an additional machine，Incur additional labor costs（For milling machine or broaching machine operators），Of course, there is additional handling、Movement and possible temporary parts storage between processes。In addition，Before the zigzag machining，Parts may require intermediate cleaning operations。 If you are one of the companies that uses sawtooth machining as a separate operation，Then you will surely be pleased to learn that there is now a serrated processing razor，It can be used inCNCDriving on lathe
2015-01-11 Reading quantity 2930
introduction：1、Comply with casting equipment general operating procedures。 2、Check that the position of the travel switch and bumpers on the device is correct，If not correct，Must be corrected。 3、pre-work，Pull the pulley with your hand，Check whether the up and down movement of the punch is light，If stuck or heavy，Maintenance personnel should be notified to repair。 4、The diameter of the cut wire must not be greater than8millimeter。 5、After work，Remove the unfinished wire from the machine。 6、After work，Cleaning machine，Refueling and maintenance guide。
2015-01-11 Reading quantity 2814
introduction： EdgeBlendSide chamfer one、Edge chamfer Overview This command is used to edge entities(Edge)Round off。The following dialog box appears after selecting this command： Chamfer dialog box optionsBlendTypeChamfer typeEdgeEdge chamfer，A constant radius variable radius fillet generated along the selected edge is tangent to both adjacent sides CliffEdgeChamfer with steep edge，Generate a rounded corner along the selected edge that passes through the selected steep edge and is tangent to the face opposite the steep edge。 FilterSelect Filter Option This item makes the selection process easier，Dangdown
2015-01-11 Reading quantity 2906
Complete category
Save worry and effort，Buy all at one stop
One-to-one customer service
Selection inquiry，Fast response
Delivery guarantee
Multi-position straight hair，No worries about delivery
Source of genuine goods
Genuine guarantee，Honest service
Source of genuine goods
Genuine guarantee，Honest service
Automatic parts one-stop procurement platform
Working hours：Monday to Saturday 8:30-18:00
008618117444109
Official wechat public account
Order for goods/Information at hand
