Methods To Improve Bag Making Machine Production Efficiency

(Suitable for four-line cold cutting T-shirt bag making machine)
1. Equipment Commissioning and Parameter Optimization
1. Set the main machine speed reasonably. Do not increase speed blindly. Excessively high speed causes poor sealing, cutting deviation and frequent shutdowns. Find the optimal stable running speed to reduce rework from defective products.
2. Calibrate traction, cross cutting knife and sealing knife clearance. Keep the knife surface clean and sharp. Match sealing temperature with film materials (PE and biodegradable materials require different temperature) to prevent sticking knife and film breakage.
3. Adjust photoelectric tracking. Optimize the position and sensitivity of photoelectric sensor to ensure accurate color mark positioning, reduce mark offset and uneven bag length, and cut down downtime for adjustment.
2. Raw Material Control (Key factor for downtime reduction)
1. Control film roll quality. Ensure uniform tightness, no stretching, no wrinkles and stable thickness. Eccentric film rolls and excessive joints will lead to frequent roll change and film breakage.
2. Prepare materials in advance and splice film before roll replacement. Adopt non-stop film splicing to shorten roll changing time. Produce orders of the same material in batches to avoid repeated parameter adjustment.
3. Store materials in dry and dust-free environment. Moist film easily causes bad sealing.
3. Routine Maintenance to Reduce Unexpected Shutdowns
1. Lubricate transmission parts (bearings, guide rails, chains) regularly. Clean plastic residues on knife base and rubber rollers periodically.
2. Check pneumatic components, solenoid valves and air cylinders daily. Air leakage leads to unstable cutting. Monitor temperature of motors and inverters.
3. Establish inspection checklist. Replace wearing parts (rubber rollers, blades, photoelectric sensors) in advance to avoid sudden machine stop during production.
4. Operator Operation and Production Scheduling
1. Standardize operation procedures for operators to realize fast roll change and machine adjustment, reduce manual setting errors.
2. Combine production orders. Continuously produce bags with same specifications to cut trial run and adjustment loss caused by frequent specification switching.
3. Classify and count defective products, record shutdown reasons (film breakage / color mark offset / sealing failure) for targeted improvement.
5. Optional Machine Upgrading and Modification
1. Install automatic tension control system to stabilize film tension and prevent film deviation at high speed.
2. Equip automatic counting and stacking device to save manual bag counting and sorting time.
3. Upgrade servo control system for old machines to improve cutting precision and stable running speed.
6. Workshop Environment
Maintain stable workshop temperature. Large temperature fluctuation causes film expansion and contraction. Keep area around machine clean for convenient inspection and waste cleaning.