To control the scrap rate of the downspout roll-forming machine, it is necessary to start from multiple dimensions such as equipment debugging, process optimization, and production management. The specific measures are as follows:
1. Accurate mold debugging
When installing the mold, use a laser centering instrument to calibrate the roller to ensure uniform gap and avoid material deformation due to mold misalignment; regularly check the mold wear and replace parts with reduced accuracy in time to prevent scraping and waste.
2. Optimize process parameters
Set reasonable rolling speed and pressure according to material characteristics to prevent material tearing caused by excessive speed or pressure; adjust the forming pass to reduce unnecessary bending times and reduce material loss.
3. Automated feeding control
Use an automatic feeding system and a deviation correction device to ensure that the coil is accurately fed into the roller to avoid the increase of single-sided waste due to feed offset; install an automatic shearing device at the end of the equipment to cut according to a fixed length to reduce waste of excess material.
4. Recycling of residual materials
Set up a waste collection trough at the outlet of the forming machine to classify and recycle the residual materials and scraps generated by cutting; splice or compress the short materials and use them to produce small-sized accessories or re-melt them.
5. Employee skills training
Standardize the operation process and require employees to do a good job of first-piece inspection when changing molds and adjusting machines, and then produce after confirming that the size is qualified; train employees to identify the causes of abnormal waste and adjust equipment in time to avoid batch waste.
6. Production plan optimization
Reasonably schedule production according to order requirements, give priority to the production of products with the same specifications, and reduce the trial machine waste generated by frequent mold changes; optimize the length of downspout pipes for different orders to improve material utilization.
7. Regular equipment maintenance
Check the operating status of rollers and transmission components to ensure the stability of the equipment; maintain the lubrication system to avoid material damage due to component jamming, thereby reducing the waste rate.
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