CNC Turning is namely Lathe machining, Lathe machining is a portion of mechanical processing.
Lathe machining is always a process that turning tools doing turning machining to a rotary workpiece. On CNC lathes, the operators or the engineers also can use drills, reamers, screw taps, threading dies and knurling tools to make relative machining work. CNC turning is usually applied to machining shafts, plates, bushings and all other workpieces which have rotary surfaces, it is a very widely application in practical mechanical manufacturing.
CNC turning can be divided into rough turning and finish turning, rough turning is for the purpose of machining with big cutting depth and big feed rate, to improve the machining efficiency. However, the precision of rough turning can only be grade IT11, the surface finish can only be Ra 20-10um. On the contrary, semi-finish machining and finish machining usually can only apply high speed but small feeding rate and cutting depth. In this condition, the machining accuracy can be up to grade IT10-7, the roughness can be Ra10-0.6um.
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Recently, Fujian Mercedes-Benz Automobile Co., Ltd. filed a recall plan with the AQSIQ in accordance with the "Regulations on the Management of Defective Automobile Product Recalls" and the "Implementation Measures for the Management of Defective Automobile Product Recalls", and decided to recall the August 2017 from now. A total of 8 deterrent and V-class vehicles were produced between the 4th and August 5th, 2017.
The brake pump assembly assembled in the vehicle within the scope of this recall is damaged by the external force during the transportation process, which may cause the brake pedal to become hard, affecting the braking performance, increasing the risk of collision of the vehicle, and presenting a safety hazard. Fujian Benz Co., Ltd. will replace the brake pump for vehicles within the scope of the recall to eliminate potential safety hazards.
Fujian Mercedes-Benz Automobile Co., Ltd. will notify the owner of the vehicle within the scope of the recall by means of a registered letter, etc., and arrange free maintenance. Users can call the Fujian Benz Service Hotline 400-818-1188 for consultation. Owners can also visit the AQSIQ Defective Product Management Center website () and the WeChat public account (AQSIQDPAC) for more information. In addition, you can also call the AQSIQ Defective Product Management Center hotline to reflect problems during the implementation of the recall or to submit defects.
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