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Position: Home » News » Problem » 【Precision Shaped Spring】 Reasons to remove burrs

【Precision Shaped Spring】 Reasons to remove burrs

Back source: Browse:0 Release date:2020-06-12 15:28:06【Big Medium Small

Many of our springs need to be ground and deburred after forming, especially some precision shaped springs for machinery that require precision. The customer will explain this requirement on the drawing.

First of all, how are the precision shaped spring burrs formed? Some are caused by plastic deformation during cutting, some are burrs of castings and die forgings, some are extruded during processing, and some are residual materials from welding and extrusion. With the improvement of industrialization and automation, the precision of parts

The precision requirements of profiled springs are also getting higher and higher. If the burr is not removed, there will be many negative effects. For example, if precision shaped springs triggered by rockets, missiles, and aircraft are not cleared, the tower will not foresee the consequences.

Once the burr or metal powder on the precision shaped spring enters the hydraulic or pneumatic system, it will cause serious turbulence or non-laminar flow, thereby blocking the filter or pipeline. Therefore, the burrs on the hydraulic valve body and pneumatic components must be removed. In mechanical transmission systems, burrs will come off due to vibration

, Causing system jam or parts damage. Sometimes burrs can directly interfere with the mechanical movement of components, especially for pistons or spools. During the cutting process, if there are burrs on the base surface of the part, the interference after clamping is not real base surface contact, but point contact, which seriously affects the machining accuracy. Outfit

The same is true for timing, because of the presence of burrs, which leads to assembly failure. If the precision shaped spring cannot remove the burr, the worker's hand will be scratched when loading or unloading the workpiece on the machine or when assembling and processing the workpiece. When subjected to higher loads, burrs and sharp edges will affect the fatigue strength of parts and protection with paint, etc.

The bonding force of the layers reduces the service life of the parts. Spring burrs also affect the appearance quality of the part.