Six-point positioning principle and selection of positi…

One and six positioning principles An unpositioned workpiece whose position is uncertain. As shown in Figure 3-29, the unpositioned workpiece (cuboid) is placed in a rectangular coordinate system. The cuboid can move in different positions along the X, Y, and Z axes, and can also rot ......Reading more

February 28 Ningbo Steel Market Price Quotes

Name of product specification Materials Steel factory / origin Price (yuan/ton) Than yesterday Compared to last week Than last month Common line Φ6.5mm Q235 Weifang 4920 60 120 480 altitude Φ6.5mm Q235 Beitai 5000 80 140 540 altitude Φ6.5mm Q235 Fushun 5000 ......Reading more

The amended Water Pollution Prevention Law came into ef…

The 32nd Session of the Tenth National People's Congress Standing Committee passed the revised Water Pollution Prevention Law on the 28th. Xinhua News Agency authorized the broadcast of this law on the 28th. The Water Pollution Control Act consists of 8 chapters, which are divided into general ......Reading more

Chemicals should aim to create a conservation-oriented …

——Interview with An Qihong, deputy to the National People's Congress and chairman of Chongqing Chemical Medical Holdings (Group) Company The only representative of the Chongqing chemical industry who attended the National People's Congress and Chairman of Chongqing Chemicals ......Reading more

High-angle bevel laser cutting process

Laser cutting is usually carried out on horizontal planes or on slightly angled plates. However, there has been no report on cutting on large-angle inclines. Fig. 1 is a schematic diagram of a cavity with a slotted hole in a steam turbine. The thickness of the material i ......Reading more

Sewage treatment in the correct selection of the five a…

Because of its variable pump delivery, self-priming capability, reversible, capable of conveying liquids containing solid particles and Other characteristics, in sewage treatment plants, is widely used in the transport of water, sludge and flocculant liquid chemicals . Screw pump selection should f ......Reading more

February 29 steel market price in Jinan

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than yesterday's last week. General line Φ6.5mm Q235 Handan 4900 0 150 520 Pu line Φ10mm Q235 Stone cross 4900 0 150 520 High line Φ6.5mm Q235 邯Steel 4950 0 150 520 High Line Φ6. ......Reading more