The impact of the coaxial and straightness of the screws on the life of the material cylinder is directly related to the plastic quality and the load of equipment, and therefore the same evaluation criteria should be used by design, procurement, switch and maintenance personnel. The core is the same axis and the straightness that determines whether the spiral is evenly balanced with the rims of the wheel and is the basis for avoiding unilateral friction. Malfection, end eccentricity or interaxis concentrates the payload on the inner wall of a local plume. Structural parameters are interconnected and any local modifications are evaluated in the complete path of transport, melting, mixing, metrology and cleaning. It is recommended that the snails be expanded and the axle-sized chain compared to the material melting route, so that it can be seen which area is actually carrying the transmission, pressure or amalgamation function. Nominal specifications are therefore only the starting point, and the final conclusions must serve the actual resin, product and volume rhythm.

When customizing around the "Impact of screw homogenesity and straightness on the life of the material drums", first collects the size of the equipment model, the original screw and the material drum, the driving capacity, the resin plate number and the filling system, the single mass, the cycle and existing defects. The specific selection principle for this topic is that long screws, heavy-load screws and restorations should check both ends of the baseline, support, moving pairs and thermal variants. A more conservative plume approach begins with a medium back pressure and surface line velocity and expands the process window one by one after the heat balance. The technical agreement should include quantifiable provisions for size benchmarks, key communications, material status and acceptance methods so that new, old and subsequent restorations can be compared under the same criteria.

The most important defence against the failure of the subject is that unilateral wear and tear rapidly widens the gap, leading to a decline in capacity, metal powder, acoustics and even screws. The removed parts shall retain directional markings and record grinding marks, corrosive pits, discoloration and residues in the order in which the loading end reaches the front end, and establish a retroactivity map. For on-site processing, only one main variable is changed each time and the measurement time, twist, melting temperature, mat, injection pressure and product weight are aligned to the same pattern. If production is to be sustained by excessive temperature, turn speed or back pressure, the use of parameters to mask structures, wear or collage should be discontinued.

This replicable option can be used to verify the "Impact of screw cones and straightness on the life of the drums": Cold-state measurements of straightness and beats, which are installed to check the direction of airborne currents, noise, thermal twists and wears. Receiving and inspection should not end when the equipment is not in thermal equilibrium, and should cover typical use links such as start-up, steady state, suspension of re-opening and refuelling. Inquiries to suppliers should also be accompanied by information on resins and fillings, risk of flame retardation or corrosion, total weight of products and fluids, photographs of available screws and equipment curves. The programme is considered to have a stable engineering value when the detection data, the good product rate, the timing of the switch and the unit cost of the eligible goods are improved.