[Scene definition] How to calculate the cycle of grinding screws is to start from the actual production scene of the plant, not just the diameter or price of the mill. It is recommended that procurement prices, scraps, energy consumption, stoppages and spare parts be first collated and then tiered by batch of raw materials to prevent the miscalculation of formula fluctuations as a matter of equipment. The aim of this step is to establish comparable old programme benchmarks so that subsequent screw changes can be supported by data.

The most easily ignored of the topic is the cost of a single eligible item and the full life cycle. The plant should break down the daily production into class beats, time available and model losses, and indicate variable and non-variable conditions in the demand table to reduce programme repetition. Vendors can make retroactive trade-offs between interoperability, earmarking and cost when there are clear values for product weight, daily production, customer quality caps and allowed stop times.

[Design Focus] The main line of this case is to replace the simple price with TCO and the current cycle. In geometry and materials programmes, the base, alloy layer and surface treatment should be selected on the basis of grinding, corrosive and thermal loads; and the drive-and-cracker, the rate of rotation and the screw cores should be checked to prevent the production from increasing at the expense of mechanical safety. The final solution would also need to be compatible with the wear and tear of the cylinder, the drive, the physical velocity and the current cleaning process, and would not cover up co-operation or process problems with a single high-level material.

The new [comparison validation] programme proposes to operate for at least 24 consecutive hours, with a 30-mode extraction for each stabilization phase, recording the replacement time, the amount of excess waste and the first eligible time. Tests should be conducted immediately after the test, with acoustics, friction marks and metal powders being examined, in a timely manner, to identify co-benefits and to avoid different names for the same phenomenon in different classes, in case of poor use of uniform codes. If only the first one is checked, it is easy to miss the risks associated with heat drifting, material stoppage, reversal loop return and prolonged wear and tear.

When the [stabilized production] spiral is shaped, the abnormal twister, storage timeout and material volume rebound shall be set up as an early overhaul signal, and the inspection cycle shall be established on a double basis of operating hours and tons of processed raw materials. The time of storage, back pressure, screw velocity, noise and mass of the product shall be recorded in a uniform manner in the shift. When the above indicators change at the same time, the mechanical gaps and the state of the raw materials should be checked before the process is adjusted to avoid the use of parameters to compensate for hardware degradation.

The [comprehensive cost] cost statement should not be a single screw price, with a minimum production threshold for a dedicated screw, a re-comparisonation of the generic formula when production is insufficient, and a minimum yield threshold for a dedicated screw, and a re-comparisonation of the generic formula when production is insufficient. It is recommended that the cost per 10,000 eligible items be exported simultaneously, the cost per 1,000 operating hours and the estimated number of return months. When new programmes reduce waste, refuelling or sudden shutdowns, higher initial inputs are often offset during production.

The [Closed Ring Management] will eventually include drawing numbers, screwdriver materials, heat treatment, critical dimensions, portable tubes, process windows and acceptance data in the curriculum vitae cards. It is proposed to set warning limits for the cooling areas of the cylinders and the drive load, rather than averages only, and to set a maximum number of repairs to record the amount of material removed and the thickness of the surface layer at a time. When there is a significant change in the feedstock formulation, feed ratio, product structure or target node, the applicable boundary of “how to calculate the recovery cycle of a grinding screw” should be reassessed, rather than defaulting that the old conclusion is permanently valid.

Topic: Energy consumption, good rates and combined costs