What should be paid attention to in the process of machining the bottom die with the special bottom die machine for knife die?

This problem is crucial, which is directly related to the quality of bottom die processing and the safety of equipment. When machining the special bottom die of knife die, the core is to control the material adaptability, parameter accuracy and operation standardization, which are indispensable.

I. Before processing: Preparation of materials and equipment

Confirm the material suitability. The matching tool should be selected according to the material of the bottom die (such as wood board, PVC, acrylic) to avoid material edge collapse and tool damage caused by the inconsistency of tool hardness or blade type.

Check the equipment status. Focus on checking whether the tool installation is firm, whether the spindle runs normally, and whether the dust suction device is unobstructed, so as to prevent the tool from loosening or waste accumulation during processing.

Fix the material position. Use fixture to firmly fix the bottom die material on the workbench, to ensure that the material has no deviation, and to avoid the deviation between the processing path and the design drawing.

Second, in process: parameter and process monitoring

Set precise machining parameters. According to the thickness and hardness of the material, adjust the spindle speed, feed speed and cutting depth. For example, hard material needs to reduce the feed speed and increase the speed, while soft material does the opposite to prevent overcutting or incomplete processing.

Real-time monitoring of machining process. Observe the cutting state of the cutter. If there is abnormal sound, sparks or waste, it is necessary to immediately suspend the equipment inspection to avoid damaging the cutter or affecting the precision of the bottom die.

Control the sequence of machining paths. Give priority to machining inner holes and complex contours, and then cut outer contours to reduce the influence of material deformation on accuracy.

Third, after processing: quality and equipment maintenance

Check the machining quality of the bottom die. Measure the dimensional accuracy with calipers, and observe whether the edges are smooth and burr-free. If there are defects, it is necessary to carry out secondary dressing in time.

Clean equipment and workbench. Clean up the residual waste and dust, especially the spindle and guide rail, to prevent impurities from affecting the subsequent processing accuracy.

Maintain equipment parts regularly. Replace the cutter, lubricate the guide rail and spindle according to the instructions, prolong the service life of the equipment and ensure the long-term processing stability.