High-speed spindle bearing technology for machine tools

Table 1 Comparison of characteristics of rolling bearings for main shafts Tapered roller bearings Single row cylindrical roller bearings Double row cylindrical roller bearings Angular contact ball bearings Mounting in pairs or groups Angular contact ball bearings L.......

March 31 Harbin Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than yesterday's last week than the previous month General line Φ6.5mm Q235 steel 4970 0 0 100 common line Φ8mm Q235 steel 4970 0 0 100 high line Φ6.5-10mm Q235 Xilin 5020 0 0 90 Hig.......

March 31 Shanghai Steel Market Price Quotes

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 Steel 5040 20 40 70 Common line Φ6.5mm Q235 Jiuquan Steel 5040 20 40 70 High line Φ6.5mm Q235 Pinggang 5070 20 40 40 High.......

March 31 Nanjing Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Compared to Yesterday Last Week High Line Φ6.5mm Q235 Xing Steel 5050 50 80 -10 High Line Φ8/10mm Q235 Haixin 5050 10 40 -10 High Line Φ6 .5mm Q235 Sunshine 5030 30 60 -30 High Line Φ6.5mm Q235 Nangang 5100 .......

March 28 Shijiazhuang Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Than Yesterday Last Week, General Line Φ6.5/8mm Q235 Handan Steel 5050 0 0130 High Line Φ6.5/8mm Q235 Handan Steel 5080 0 -20 180 High Line Φ6.5/8mm Q235 Shougang 5080 0 -20 180 High Line Φ6.5/8mm Q235 Xing Steel 50.......

March 31 Qingdao Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5/8mm than the previous month than last week. General line Φ6.5/8mm Q235 Qinggang 5020 0 0 30 High line Φ10mm Q235 Handan Steel 5030 0 0 50 Rebar Φ12mm HRB335 Steel 5050 0 130 150 Rebar Φ14mm HR.......

BOLE Machinery Showed in Arabplast 2017 Exhibition

The Arabplast 2017 exhibition is held once every two years in UAE, it`s also one of the biggest plastic exhibitions in middle east area. In this time, it started from 8th to 10th, Jan. In Dubai. There are almost 20 IMM manufactures which participate.......

March 31 Anshan Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Yesterday Last Week High Line Φ6.5mm Q235 Angang 5080 0 0130 High Line Φ8mm Q335 Beitai 5080 0 0 High Line Φ6.5mm Q335 Jiujiang 5080 0 0 130 Rebar Φ12mm HRB335 Beitai 5050 0 0 100 Rebar Φ12mm HRB335 Linggang 5050.......

March 31 Ningbo Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm Q235 Weifang 5050 50 90 80mm high line Φ6.5mm Q235 Beitai 5110 50 100 60 high line Φ6.5mm Q235 Fushun than yesterday last week. 5110 50 100 60 High Line Φ8mm Q335 Yong Steel 5180 60 60 -20 Reba.......

Using microbial degrading bacteria to "eat" waste

The organic waste microbial treatment technology project developed by Xiamen Rongjia Industrial Co., Ltd. has been listed in the national key new products, national key environmental protection practical technologies, and national key scientific and technological achievements promotion plan, an.......

March 28 Hefei Steel Market Price Quotes

The price of the product name is higher than yesterday's price compared with last month. General line Φ6.5mm Q235 Masteel 5060 0 50 60 General line Φ8mm Q235 Masteel 5060 0 50 60 High line Φ6.5mm Q235 Masteel 5080 0 50 30 High line Φ10mm Q235 Ma Steel 5080 0 50 30 High Line Î.......