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introduction：This article is introduced inUGⅡIn the system，How to create a custom tool library，The method of perfecting cutting tool parameter database，To reduce a lot of simple and tedious parameter setting work，Speed upCAD/CAMProgramming in the system，Thus improve the rapid response ability of process manufacturing technicians，Adapt to complex and varied production tasks。 In recent years, Chinas machinery manufacturing industry has developed rapidly，Enterprises continue to increase investment in technical reform。Especially numerical control equipment and its processing technology，Computer aided design and manufacturing technology（CAD/CAM）The continuous in-depth application，So that machinery manufacturing enterprises have quality in technology
2015-03-13 Reading quantity 2904
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。]The condition of a burn injury is: KOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers
2015-03-13 Reading quantity 1642
introduction：Plain bearings used in engines[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。]There are usually two types：One is a thin-wall bearing lined with tile，Shaped like tiles commonly known as bearing shingles；The other is the bushing，Also known as copper sleeve，The shape is a hollow cylinder。The thin-wall bearing is mainly used to support the crankshaft and connecting rod of the engine；The bushing is mainly used to support the camshaft journal
2015-03-13 Reading quantity 1463
introduction：The ambient temperature directly affects the selection of lubricating oils。Generally speaking，Service temperature below60 ℃when，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 oxidation reaction is not obvious；however，exceed60℃when，Every increase10℃，The oxidation rate increases exponentially，The life of lubricating oil could also be halved。 KOYObearing[KOYObearing:
2015-03-13 Reading quantity 1456
introduction：DIN 7710 PlasticDimensional tolerance specification of the formed product ejection(Injection)shaper unit：mm Size range level6below6～1818～3030～5050～8080～120120～180180～350 Coarse grade±0．1±0．1±0．15±0．25±0．4±0．6±0．9±1．2 Fine grade±0．05±0．08±0．10±0．15±0．20±0．30±0．40±0．60 compress(Compression)
2015-03-13 Reading quantity 2795
introduction：Machining is the main basic process of manufacturing technology，With the development of manufacturing technology，in20The end of the century also saw great progress，Enter to develop high speed cutting、Develop new cutting processes and machining methods、Provide a new stage of development characterized by a set of technologies。It is an important industrial sector in manufacturing，Such as the automobile industry、Aerospace industry、Energy industry、Military industry and emerging mold industry、Electronics industry and other sectors of the main processing technology，It is also an important factor in the rapid development of these industrial sectors。therefore，In the United States where manufacturing is developed、DE、Japan and other countries have maintained a momentum of rapid development。 Metal cutting
2015-03-13 Reading quantity 2787
introduction：one.Enterprise background Central Europe auto Electric Appliance Co., LTD（Zhongyi Electric）China Europe International Group Co., Ltd. is specialized in the development of automotive electrical appliances、exploit、Production of professional backbone enterprises，It is one of the main production and supply bases of domestic automotive electrical products。The leading products of Central Europe Electric appliance are：Three wiper assembly series、Glass lifter assembly series、Door lock assembly series、Warm air motor for vehicles、Car switch and other five series80Multiple varieties and specifications。Central European95％FAW、Second automobile Group and more than a dozen
2015-03-13 Reading quantity 2899
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。]The parts need to be stretched、compress、bend、shear、Alternating such complex stress states and under high stress values，Work at high speed and for long hours。therefore，Required for rolling bearings： 1)High resistance to plastic deformation， 2)High friction resistance、Wear performance，
2015-03-13 Reading quantity 1561
introduction：1 Scope of application Applicable to certificate holdersCQCThe use of issued product certification certificates。 CQCThe type of product certification certificate issued： 1） CCCCertification certificate：National mandatory product certification，It is a statutory certification document that proves that the product meets the national mandatory product certification requirements and permits the qualified product to use the certification mark。 2） CQCMark certificate：CQCMark authentication（China Quality Certification Center voluntary product certification）Certificate of conformity，It is to prove that the product complies with the centers voluntary product certification requirements and permits the use of certified products
2015-03-13 Reading quantity 1557
introduction： Causes of deformation 1Shape of goods，In particular, the residual stress is caused by the relationship between the shrinkage rate and the thickness of the product。 2Residual stress due to molding conditions 3Residual stress during demoulding 4Deformation due to insufficient cooling time Related knowledge 1Deformation of product(warping、bend、wrinkles)Same thing that causes the crack。That is, the residual internal stress in the product。The setting conditions of the molding should be set in the direction of eliminating the internal stress of the product。That is, increase the barrel temperature、Mold temperature
2015-03-13 Reading quantity 2845
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