制服丝袜一区二区三区,亚洲av无码专区色爱天堂,大尺度无遮挡激烈床震网站 ,亚洲日韩激情无码一区

Welcome to Kunshan Hao Run Precision Mold Co.,LTD

Chinese|English|Homepage/Favorites

_Precision stamping parts | Precision stamping die |CNC precision machining |  Mobile shield  | Sheet metal processing

_Precision stamping parts | Precision stamping die |CNC precision machining |  Mobile shield  | Sheet metal processing
Kunshan Hao Run Precision Mold Co.,LTD
Contact: Miss Su
Mobile: 15995651409
Tel: 0512-87882109
Fax: 0512-57037099
E-mail: suesu@hrjmmj.com.cn
Website: www.szhongft.com
Address: No. 471 Road, Kunshan Development Zone Kunjia

News Center

Position:Homepage|Common Problem

What are the working conditions of the mold meet?

Author: ComeFrom: Date:2015/5/30 22:22:20 Hits:9630
1, wear resistance
In the mold cavity of the mold, the flow and sliding along the surface of the cavity surface, the surface of the mold cavity and the blank to produce a severe friction, which leads to the failure of the mold due to wear and tear. So the wear resistance of the material is one of the most basic and important performance.
Hardness is the main factor that affects the wear resistance. Under normal circumstances, the higher the hardness of die parts, the smaller the wear, the better the wear resistance. In addition, the wear resistance of the material in the type, number, shape, size and distribution of the carbide.
2 strong toughness
The working condition of the mould is very bad, and some of it is often subjected to the large impact load, which can lead to brittle fracture. In order to prevent the mold parts in the work suddenly brittle fracture, the mold to have a high strength and toughness.
The toughness of the die depends mainly on the carbon content, the grain size and the microstructure of the material.
3 fatigue fracture properties
In the process of the mold work, under the long-term action of the cyclic stress, often leads to the fatigue fracture. In the form of a small energy impact fatigue fracture, tensile fatigue fracture contact fatigue fracture and bending fatigue fracture.
The fatigue fracture properties of the die mainly depend on the strength, toughness, hardness, and the content of inclusion in the material.
4 high temperature performance
When the working temperature of the mold is higher, it will make the hardness and strength decrease, leading to the early wear or plastic deformation and failure of the die. Therefore, the mold material should have a high resistance to tempering stability, in order to ensure that the mold at the working temperature, with a high degree of hardness and strength.
5 resistance to cold and hot fatigue performance
Some molds in the working process in the repeated heating and cooling of the state, the cavity surface tension and stresses the role of, cause cracking and peeling off the surface, increase the friction, hinder plastic deformation, size accuracy is reduced, resulting in die failure. Thermal fatigue is one of the main forms of the failure of the mold, which should have a high resistance to cold and heat fatigue.
6 corrosion resistance
Some molds such as plastic mold at work, due to the presence of chlorine, fluorine and other elements in the plastic, after heating the decomposition of HCI, HF and other strong corrosive gases, erosion mold cavity surface, increase the surface roughness, increased wear failure.
Contact: Miss Su  15995651409  Tel: 0512-87882109  Fax: 0512-57037099  E-mail: suesu@hrjmmj.com.cn
Website: www.szhongft.com  Address: No. 471 Road, Kunshan Development Zone Kunjia
All rights reserved:Kunshan Hao Run Precision Mold Co.,LTD  Technical Support:KSGUOCHENG  Su ICP 15021490 
Link: Qimei electronic  Lenovo  BOE  Apple  ASUS 
优优人体大尺大尺无毒不卡| 又黄又爽又色又刺激的视频| 亚洲欧美日韩高清一区| 无码成人aaaaa毛片| 精品无码国产一区二区三区麻豆| 无遮挡边吃摸边吃奶边做| 国产69精品久久久久999小说| 国产成人精品a视频一区| 亚洲精品国产第一综合99久久| 老师脱了内裤让我进去| 人妻 偷拍 无码 中文字幕| 久久精品国产亚洲av麻豆| 中文字幕丰满乱孑伦无码专区| 五十路亲子中出在线观看| 大屁股人妻女教师撅着屁股| 国模吧双双大尺度炮交gogo| 国产丝袜美女一区二区三区| 99久久精品免费看国产| 亚洲av无码乱码精品国产| 亚洲丁香五月天缴情综合| 久久久亚洲精华液精华液精华液| 大地资源网最新在线播放| 性一交一乱一伦| 色久综合网精品一区二区| 国产免费av片在线观看| 国产精品9999久久久久仙踪林| 国产精品户外野外| 久久久久免费精品国产 | 国产特级毛片aaaaaa高清| 少妇性俱乐部纵欲狂欢电影| 国产乱了真实在线观看| 性高湖久久久久久久久| 亚洲av永久无码精品网站| 北条麻妃国产九九九精品视频| 野花社区视频www官网| 永久免费观看国产裸体美女 | 欧美成人家庭影院| 国产精品久久久久久麻豆一区 | 区二区欧美性插b在线视频网站| 高潮爽死抽搐白浆gif视频| 国产精品9999久久久久仙踪林|