About us
Qingdao Jun letter Machinery Co. Ltd., founded in 2009, after years of accumulation and development, Longmen has been equipped with machining center, CNC machine tools, machining centers, T162 and other large lathe boring machine and planer mill series of processing equipment and various welding equipment, sheet metal equipm···”。
News
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15
2018-01
The machining process is the process of manufacturing or processing parts or parts. Mechanical processing is adopted to directly change the shape, size and surface quality of the blank, making it a part process, which is called the machining process. ...
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15
2018-01
Mechanical products are generally made up of many parts and components. According to the required technical requirements, the parts and parts are cooperated and connected to make it a semi finished or finished process, called assembly....
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15
2018-01
Although they have a common name called grinders, they have different prefix according to the different uses. The grinder mainly consists of the outer grinding machine, the inner grinding machine, the plane grinder, the gear grinding machine, the guid...
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15
2018-01
The car hole method of floating boring cutter knife head is the two cutting edge will have positive and negative symmetrical, matched and installed in the knife rod hole, lathe cutter for the radial free floating, and automatic alignment hole, namely...
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15
2018-01
Clamping is an important part of the clamping process of the workpiece. The workpiece positioning clamping force must be generated by certain institutions, the workpiece is pressed on the positioning element, so as to keep the position accurately, not...
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15
2018-01
In the early 80s of the last century, China began to use CNC machine tools in a large scale. There are many factors to maintain and upgrade the existing machine tools....
