2020年12月23日星期三

Quality requirements of grinding processing of Dongguan Yize mould Co., Ltd.

 Quality is the soul of enterprise management, good quality can attract and retain customers. Dongguan Yize mould Co., Ltd. provides customers with a wide range of precision machining technical support, including turning, milling, plane, circular, grinding, spark discharge, wire cutting discharge, PG optics and other process procedures. Today, yize will share with you the quality requirements of grinding processing.

In order to standardize and guide the production operation of grinding machine, improve production efficiency and production quality, this requirement is specially formulated.
1. Drawing file: PDF shall prevail and CAD and 3D shall be used as reference.
2. Materials: materials shall be provided by Yize mould. If the supplier has passed the assessment of "material testing procedure", "heat treatment management procedure" and "management procedure for material in and out of warehouse", the supplier shall provide materials independently.

3. Tolerance: ensure the tolerance range. If the tolerance is not marked, it should be processed according to ± 0.01, and the right angle should be within 0.002, and the perpendicularity of all steps and grooves should be within 0.001. The tolerance of arc dimension should be guaranteed, especially the fitting arc, which should be positive and negative.


grinding processing of Dongguan Yize mould Co., Ltd


4. Finish: the surface finish of grinding surface should be fine, allowance should be made for deformation treatment, and no scratch should be left; the grinding wheel should not be too fine, and the grinding wheel speed should not be too high to prevent knife burning; after the grinding wheel is repaired, the grinding wheel particles should be removed with copper rod to prevent sand particles from damaging the workpiece; the polished workpiece surface should be smooth and bright without dents.
5. Groove processing: for the thimble groove, the tolerance of the matching groove is positive tolerance, which should be matched; the groove processing should not have bell mouth.
6. Angle cleaning: the angle clearance of grinding forming fit position is required to be within 0.03, and other positions are required to be within 0.05.
7. No burr: the delivered parts shall not have burr, including the hanging platform and exhaust groove; those without station angle shall not be left as far as possible; the pulling sheet shall be prepared in the direction with more burr; the forming position in the pulling direction shall be processed in the main body, and then the sheet shall be pulled; where the burr is difficult to be repaired, the forming grinding wheel shall be repaired to remove the burr.
8. No missing angle: use balance block to push burr to prevent damage to workpiece; do not use blade and steel sheet to deburring, maybe copper brush or copper sheet; do not use copper rod to knock the water chestnut of parts for workpiece clamping. It's easy to handle. It's in a disk box.

9. Strictly abide by the processing procedure and do a good job of self inspection and rust prevention.


Better specification for better quality, better delivery time and better service. The above are the quality requirements of grinding processing of Yize mould Co., Ltd. at the same time, we have also made corresponding requirements for various processing procedures, aiming to provide customers with satisfactory products and services.

yizali2LL
The above article from YIZE official website (http://www.yizemould.com/)
The original address:(http://www.yizemould.com/newsshow-49-178-1.html), reproduced please specify.

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