Shoot core machine is pressurized shoot sand production of precoated sand cores are of high quality, short production cycle, quality is good, advantages of low cost, low noise, easy to realize automation process, so shoot core machine is made of precoated sand core technology has been applied long ago.
But many manufacturers in the use of precoated sand core machine after a period of time will find sand coated sand core machine running phenomenon is more serious, let bo Jo told you what coated sand core machine has experienced the sand will run.
Shoot sand operation of precoated sand core machine is on shoot sand head shoot sand hole and core box shoot sand hole alignment, shoot sand plate and core box after compaction.
But in the actual production as a result of the deformation and stress of the core box after casting
processing, cooling and heating will produce deformation, core box wear will be made when using coated sand core machine shoot sand produce gap between plate and core boxes, rush out shoot sand coated sand from gap, lead to shoot core machine run of precoated sand sand.
Precoated sand core machine running sand will not only waste of raw materials coated sand, sand run lead to shoot sand false also can produce defective products, increase the production cost, also worsen the working environment, the rate of fire of precoated sand too fast and easy to cause damage to the operating personnel.
So Joe remind you, manufacturers have encountered in shoot core machine daily production of precoated sand sand coated sand core machine run, pay attention to the timely processing.
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