I. Listen to the sound: Assess the machine's operating status. Normal: The motor and transmission components run smoothly without abnormal noise. Abnormal: Abnormal noise will be emitted when bear
I. Common Dyeing Defects and Solutions 1. Color Difference (Beginning-to-End Difference, Edge-to-Center Difference) Causes: Uneven dye concentration, temperature fluctuations, unstable fabric running
I. Common Dyeing Defects 1. Seam Marks: Darker areas appear at both ends of the silk fabric. Causes: The seam is too wide or thick; excessive tension; the guide silk is too short; or there is a signif
I. Safety Operating Procedures 1. Preparation for Loading: Operation must be stopped. Wet the fabric end with water and then smoothly attach it to the roller. Do not operate while the machine is runni
I. Abnormal Operating Status 1. Abnormal Sounds: Unusual noises such as metallic friction or impacts during operation indicate wear on bearings, gears, and other components. 2. Abnormal Temperature: A
I. Core Troubleshooting Approach and Principles 1. Safety First: Disconnect power, tag, lock, and ensure there is no pressure or high temperature before operation. 2. Systematic Approach: Start with s
I. Dyeing Process Issues 1. Overlapping Marks: Darker colors at both ends of the fabric, caused by excessively thick seams, excessive tension, or problems with the yarn guide. 2. Uneven Color at the E
I. Cleaning and Maintenance: Thoroughly remove residues and prevent contamination and corrosion. 1. External Cleaning: Wipe the machine surface with a soft cloth and neutral detergent, keeping it clea
I. Standard Operating Procedures are Fundamental 1. Precise Control of Process Parameters: Strictly set and monitor temperature, liquor ratio, time, and number of passes to avoid color differences and
I. Common Faults and Troubleshooting 1. Weft Skew: The weft threads of the fabric are skewed. Causes: Inconsistent pressure when feeding the fabric into the dyeing vat; excessive water pressure during
I. Pre-Operation Preparation 1. Equipment Inspection: Confirm that the dye bath, fabric winding roller, guide roller, drive unit, and temperature control system are functioning normally, and that the
I. Basis for Setting Dyeing Time 1. Dye Type: Reactive dyes: Generally, dyeing time should be controlled between 30-60 minutes. Disperse dyes: Due to the need for high temperature (120-130℃), a time o