Page 94 - 《橡塑技术与装备》英文版2026年2期

HINA R&P TECHNOLOGY AND EQUIPMENT

signal prompts), electrical interlocking devices, and other the automatic grease lubrication system meets the periodic
electrical safety protection and warning devices are complete, lubrication consumption standard. The manual lubrication parts
intact, and securely and reliably installed. Fourth, inspect the are well lubricated. Twelve, check the cleanliness and hygiene:
power medium system: check whether the system delivery check whether there are foreign objects and dust inside the
pipelines and accessories (valves, metering instruments, etc.) equipment to avoid affecting the normal use of the equipment,
have any leaks, damage, or rust, and whether the installation ensuring the health of the operating personnel and the long
is reliable. Check whether the pressure, temperature, and flow service life of the equipment. Thirteen, check the operating
of the supplied medium meet the process indicators. Fifth, environment: check whether there are obstacles and flammable
inspect the power supply and electrical circuits: check whether materials around the equipment, whether there are foreign
the power supply voltage is within the error range, whether the objects between the relative rotating parts of the equipment,
power switches and electrical circuits are normal, and whether and whether there are foreign objects inside the machine body.
there are any hidden safety hazards such as illegal parallel Check whether there are obstacles and covering items within
connection, burnout, or interface leakage. Check whether the the travel range of the moving parts. Fourteen, conduct a trial
voltage and current meters display normally, and whether operation check. Mainly check the stability of the equipment,
the power indicator light is on. Sixth, inspect the mechanical whether the operation is normal, and whether there are
transmission device: check whether the appearance, installation abnormal noises, faults, and other adverse conditions.
connection, and performance of the prime mover (such as 4.3 Equipment operation requirements
motor), transmission device (coupling, reducer/gearbox, chain 4.3.1 Preparations for power-on
drive, V-belt drive, etc.), and actuator (such as roller, flat belt, The preparation work for startup involves setting
rotating body, etc.) meet the technical standard requirements. or adjusting various structures, devices, functions, and
Seventh, inspect the hydraulic system: check whether the parameters of the equipment to their operational states before
hydraulic components and accessories are intact, whether the the equipment inspection is completed and the equipment is
pipelines have any leaks, whether the oil quality meets the allowed to be turned on for operation. This preparation work
quality requirements, whether the oil level reaches the standard includes, but is not limited to, the following aspects: First,
height, and whether the cooling device meets the operating adjust electromechanical control devices such as operating
requirements. Eighth, inspect the pneumatic system: check handles, locking devices, interlocking devices, safety pins, and
whether the system delivery pipelines and accessories (valves, manual/automatic switchers to place them in a standby state
metering instruments, safety valves, etc.) have any leaks, before operation. Second, turn on the power supply system first
damage, or rust, whether the safety valve operates reliably, and and then the power supply. When supplying power, operate
whether the air pressure and cleanliness meet the standards. in the order of the distribution cabinet, control cabinet, and
Ninth, inspect the cooling system: check whether the cooling operation cabinet. Third, power on the computer, start it to
water pipeline is unblocked, whether the pressure, flow rate, enter the operating system, run the production program, and
and temperature meet the standards, and whether the control check whether signal communication, data transmission, and
valves, pipelines, and usage parts have any leaks. Tenth, inspect automatic control are normal. Fourth, start the lubrication
the control system: check whether the appearance is intact and system, check the operation status of the oil pump, and
the markings are correct. Check the interior of the cabinet for ensure that the oil supply pressure and flow rate are normal.
integrity, sealing, environment, markings, and cable status. The oil dispenser and lubrication oil circuit should be free of
Check the components inside the cabinet for tightness, no blockages, all parts should be well lubricated, and there should
damage, firm and reliable wiring, flexible action, no abnormal be no oil leakage. Fifth, start the hydraulic system, check the
smell, and reliable grounding. Eleven, check the lubrication operation status of the oil pump, and ensure that there are no
system: check whether the storage volume in the oil tank of noises or howls. The oil supply pressure and flow rate should
the automatic thin oil lubrication system and the oil barrel of meet operational requirements. The oil pump, control valve,

·50· Vol.52，No.2