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1. How about the North Huachuang Electric Installation position?
Its pretty good. According to the data from the Career Friends Collection, the average monthly salary for the North Huachuang Electric Wax Powder Decoration position is 12706 yuan, with five insurances and one fund. Occasionally working overtime on Saturdays and Sundays is also acceptable. Northern Huachuang Company is a domestic platform for the listing of integrated circuit equipment! Provide etching machines for integrated circuits, photovoltaics, LEDs, and other fields, PVD，CVD， Oxidation/diffusion furnace, cleaning machine, flow meter, lithium battery lifting electrode equipment, vacuum hot treatment wheel lead equipment, high reliability and precision components and other products.
2. Preventive measures for abnormal heat treatment process
The core of preventive measures for abnormal heat treatment process is to establish a full process quality control system, covering five key links: equipment, process, materials, operation, and environment.
. 1. Equipment abnormality prevention - regular calibration and maintenance: Regularly calibrate temperature sensors (thermocouples), temperature controllers, and recorders to ensure temperature measurement accuracy; Implement preventive maintenance plans for key components such as heating elements, furnace sealing, atmosphere flow meters, and vacuum system sealing rings. -Real time monitoring and alarm: Set up upper and lower limit alarms and interlock shutdown functions for equipment operating parameters (such as over temperature, low temperature, abnormal atmosphere, and insufficient water/oil pressure) to ensure immediate detection and intervention of abnormalities2. Proces
3. Material and furnace management - Material consistency: Ensure that the material and initial state of the workpiece to be processed (such as forging and rolling state, pre-treatment state) meet the process requirements and avoid mixing. -Scientific furnace installation: The placement of workpieces should ensure uniform flow of atmosphere or quenching medium in the furnace, avoiding uneven heating or cooling caused by excessive stacking; Using specialized fixtures to prevent deformation of workpieces during heat treatment
4. Process monitoring and recording - full traceability: Using a data acquisition system (SCADA) to automatically record and store complete process curves (temperature time, atmosphere curves, etc.), achieving product quality traceability. -Metallographic monitoring: Regularly conduct metallographic analysis on test bars or furnace samples to verify whether the heat treatment microstructure meets the expected goals (such as quenched martensite grade, infiltration depth, grain size)
5. Environmental and auxiliary medium quality control - Quenching medium management: Regularly test the cooling characteristics (cooling curve), concentratio
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