(1) High hobbing speed Generally, in the dry hobbing process, the linear speed of the high-speed steel hob required for the coating (TiAlN) reaches 180m/min or even higher; for the hard alloy steel rolling The knife speed requirement is 300 m/min. In order to achieve this high-speed hobbing proce
Explosion-proof lighting cavity electrical structure mainly includes what content 1. Electrical components The electrical components should meet the requirements of relevant national standards, be able to withstand the operating temperature of the lamp cavity for a long period of time, provide el
In order to ensure the effective implementation of the compulsory product certification system, the China Quality Certification Center (CQC) is based on the Technical Resolution of the TC 05 Lighting Electrical Technology Expert Group on the Implementation Requirements of the GB/T17743-2017 Standard
Former Vice Minister of Land, president of the China Association of Geological Disaster Control Project of Land and Resources Wang Min, recently led a geological environment, geological disaster emergency management office and other related personnel came to Zhejiang Suichang, Suichang gold mine on
(1) Collector The research and application of flotation reagents for rare earth minerals can be divided into three stages. Research and application of oleic acid based collector is the first stage, due to the low selectivity of oleic acid, the mineral composition can be applied to a relatively simp
According to foreign media reports, Bosch plans to spend 100 million euros (about 120 million US dollars) to build a smart factory in Celaya, central Mexico, to produce electronic control units (ECUs) for the North American automotive market. With a planned area of ​​21,000 square me
(1) Check that the drive belt is loose, and if the manual rotation of the pulley is stuck, it is excluded. (2) Check the integrity of the screen surface, and the screen hole should be cleaned up. (3) Check the tightness of the support spring. (4) Check the inflow and discharge chutes to prevent l
1. Dress neatly and hold a valid certificate. 2, clear signals, familiar with the process flow between the upper and lower posts. 3. Before starting the air, carefully check whether the power cable is scratched or damaged. If the button on the control box is damaged, whether the potentiometer on t
Blister for Medical PackagingBlister For Medical Packaging,Cosmetic Needle Blister Packaging,Cosmetic Water Light Needle Blister Box,Medical Anesthesia Component BlisterDong Guan Yi He Medical P
The auto complaint net period (September 2 - September 8) complaint rankings show that Great Wall Motors had been back in the top ten positions with 146 cases in the current period after FAW Toyota was squeezed out in the previous period; this week Fox The number of complaints increased by
According to data released by the Traffic Management Bureau of the Ministry of Public Security, as of the end of June this year, the number of motor vehicles in the country reached 319 million, of which, the number of new energy vehicles reached 1.99 million, and the national number plate for new
The news from Quzhou Dongli Fine Chemical Co., Ltd. came from the company. Since the company's trial production for six months, it has continued to improve and improve processes, equipment, management and other measures. The operating load rate has been increased to the current 99.8%, which wa