China Steel Net market monitoring showed that on April 29, the average price of the national 6.5mm HPB300 high line was 3436 yuan/ton, which was the same as the previous trading day quote. The average price of 20mm HRB400E rebar was 3,372 yuan/ton, down from the previous trading day. Yuan/
First, the spindle component failure Due to the use of the speed-regulating motor, the spindle box structure of the CNC machine tool is relatively simple, and the part that is prone to failure is the automatic clamping mechanism of the tool inside the spindle, and the automat
Home>Bearing knowledge>Reverse support /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Reverse support Source: Bearing network time: 2014-05-10 /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089'; 1 Four point contact ball reversal support (HS ser
From April 25th to May 1st, the "Occupational Disease Prevention Law" publicity week. This year's publicity theme is prevention and treatment of occupational diseases, and occupations should be healthy. Today, the four units of city health, safety supervision, human society, and labor
According to reports, a donkey named Boneco in Brazil is very good at looking after the bees. Its owner also specially made the "fully armed" protective clothing to resist the bees' bite. The owner of the donkey was named Manuel Juraci, a beekeeper on the town of Itatila, Brazil. The
From April 22 to 23, the business wear research group headed by Wang Yaoxi, president of the China Association of Professional Wear Industry, conducted a two-year project for Beijing Haohua Energy Co., Ltd.'s Beijing Chenghua Energy Co., Ltd.'s Muchengyu Coal Mine and Hebei Kailuan shares m
1. It adopts the latest technology focusing reflector to concentrate the reflected UV light energy and high efficiency of light curing, which is conducive to the curing of the ink of the thick ink layer, which can completely cure the deep layer of the ink, quickly dry and avoid the air. The pollut