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What are the outstanding features and advantages of core machining

 What are the outstanding features and advantages of walking core machining:

  • First, the core machine is equipped with a three-axis drilling function, which can complete the drilling and tapping of the shaft end of the part. The walking machine has an ultra-long Z axis with a stroke of up to 230mm. Therefore, when the core machine is processing long parts, it can complete the full-length processing at one time, reducing the number of feeding times and improving the processing efficiency.
  • Second, the tool arrangement of the walking machine adopts a two-axis control row type tool post arrangement structure, which is simple in structure, quick to change tools and extremely reliable.
  • Third, the core machine is equipped with high-speed precision synchronous guide sleeves, so it can complete large-scale precision machining of steel and stainless steel parts to achieve high-quality parts high-speed cutting. It can also be equipped with various additional facilities such as automatic chip conveyors and form a flexible processing production line to complete automated processing.
  • Fourth, the feeding part of the core machine can be equipped with an automatic feeder, and the receiving part can be equipped with a short part catcher and a long part catcher to realize the "one person, multiple machines" processing mode that one person operates and takes care of multiple machines. The factory saves human resources.

Compound processing is one of the most popular processing techniques in the field of mechanical processing in China and even internationally, and it is an advanced manufacturing technology. Compound processing is the realization of several different processing techniques on one machine tool. The complex machining is the most widely used and the most difficult is turning and milling complex machining. The turning-milling composite machining center is equivalent to a combination of a CNC lathe and a machining center.

Turning and milling compound processing has its own application fields and advantages. First, machining discontinuous surfaces can lead to intermittent cutting, such as machining various grooves and cleaning roots. In classic turning processing, this operation can produce impact loads that are not conducive to processing, resulting in poor surface quality and premature tool wear. In the turning-milling compound machining, the tool used is the milling cutter, and the milling itself is intermittent cutting with periodic load changes.

Second, when the processed material is a long chip material. In turning processing, chip forming is difficult to deal with; finding a suitable chipbreaker for turning tools is not so easy to complete. The milling cutter used in turning-milling composite processing produces short chips, which significantly improves chip control.

China walking heart machining

Third, take the machining of crankshafts and spindles with eccentric journals as an example. In turning processing, the eccentric quality of workpieces such as crank journals and eccentric cams can lead to the generation of unbalanced forces and adversely affect the machining. Compound machining avoids such negative effects due to the low speed of the workpiece.

The introduction of combined turning and milling processing in manufacturing not only solves the processing problems but also greatly increases the output. Using relatively new processing methods, with suitable modern machine tools and correctly selected cutting tools, productivity will be greatly improved.

When processing on a Chinese core machine, drilling and internal turning should be performed on the main spindle first. Since the guide sleeve can support the bar, the processing stability can be improved.

The second step is to turn the outer circle on the main spindle. If possible, it is best to complete the full depth of cut in one pass to shorten the cutting time and improve machining stability.

The third step should be milling. Face milling should be preferred. Due to the limited stability and power of the rotating spindle, the smaller the cutting force, the better, and face milling can meet this requirement.

China walking heart machining

In order to perform the final processing of the outer diameter of the workpiece before the cutting process, high-productivity reverse turning processing is usually used, and the completion of the processing in one pass helps reduce vibration. Cutting is the last process done on the main spindle. The closer the two spindles are to each other, the smaller the overhang of the part and the better the surface finish.

Finally, the final finishing is done on the counter spindle. This step is usually inner diameter processing, but it may also be outer diameter processing.

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