1.High precision High Speed Live Center, Medium Duty Live Center, Heavy Duty Precision Live Center, Light Duty Precision Live Center. Shandong Chongde Precision Machinery Co.,LTD , https://www.springcollet.com
Shell said in a statement that the 800,000-ton ethylene plant will produce qualified ethylene products on March 22. Shell previously said that the ethylene plant will be put into operation in the first quarter of 2010.
According to Shell, approximately half of the ethylene produced by the plant will be used as feedstock for the company's glycol plant on Jurong Island, Singapore. The plant was started in November last year and most of the remaining ethylene product is likely to be sold. The supply of ethylene in the region.
Shell's executives said that the main raw material of this ethylene plant is wax oil, which also uses heavy diesel oil, liquefied petroleum gas, and a small amount of naphtha as raw materials. All of these raw materials will mainly come from Shell's current processing capacity on the island of Bukom. Millions of barrels of refineries.
2.Live Center, machine tool parts in machining. Tail with a taper shank, installed in the machine tool spindle taper or tailstock shaft hole, with its head against the workpiece cone. Can be used to face the complex parts and do not allow the central hole of the supporting parts. The top is mainly composed of a thimble, a clamping device, a shell, a fixed pin, a bearing and a core shaft. Thimble is the top of the inner hole of the center hole or pipe material, on the other end can be top end is a spherical or conical parts, thimble by the clamping device fixed. When the parts are not allowed or can not hit the central hole, the use of the clamping device to clamp the turning. The shell and the core shaft drill with pin hole, removing of the fixed pin pin or, to achieve the top two. Top can also be used for the work of the drilling, casing and hinge hole.
Royal Dutch Shell Company said on Wednesday that the company’s new Shell plant in the Dongfang Petrochemical Complex in Singapore has been successfully put into production as planned.