Thursday, July 4, 2019

for influence of tolerance on cnc machining

Generally speaking,cnc machining drawings will be dimensioned according to the machining method and assembly precision requirements to select the appropriate IT tolerance level. Tolerances means the acceptable range of dimensions and are determined by the engineer according to the shape, fit and function of the part which represents the manufacturing precision requirements of parts and reflects the degree of machining difficulty. So , what is the influence of tolerance on cnc machining?

CNC milling




1 . Material

When tolerance requirements are very tight, it is important to determine which material to use for machining. Aluminum is actually soft when compared to steel and alloy resources, which is not simple to control with respect to tight tolerances. Similarly, synthetic and POM materials are difficult to control tight tolerances compared to metals.

cnn machining


2 . Production technique

Tight tolerances require the production division to constantly debug the equipment and test the production process during the production process. For example , a simple drilling hole must be converted to CNC milling as it was more stringent than regular tolerances.
CNC milling



several. Cost

The more elaborate a product is, the more effort it needs to be spent. Trial and error cost, labor cost and time cost will certainly all increase due to tight tolerance. However , as a professional CNC machining shop, we have no fear of clients' tight tolerance requirements for products. We hope to show our professionalism and quality under such circumstances.
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PTJ Hardware cnc machining factory
Sifangyuan Industrial Park, Xinshapu, Huaide Community
Humen town, Dongguan City, Guangdong Province
Phone: +86 0769 82886112
Email: sales@pintejin.com