1. Check before starting
1. The condition of the machine and the quality of the product
(1) First check whether the machine is running in a normal state during the last shift, whether there are abnormal conditions, and the measures and methods for handling abnormal conditions.
(2) Check the product quality of the previous shift. Check whether the product quality of the previous shift meets the quality requirements, and whether there are waste products and defective products. Are waste products, defective products and qualified products stacked separately, and indicate their quality and quantity on the process flow sheet.
2. Production progress of this machine
Check the product content and plan completion status of the first shift produced on this machine, clearly understand the production progress of this batch of products, and make arrangements for the production plan of this shift.
3. Adjustment of machinery and equipment
Check whether the machine equipment has been adjusted during the operation. If there is any adjustment, which parts have been adjusted, the use and operation of the adjustment, etc. must be understood in detail.
2. Preparation before production
1. The hot stamping machine must be lubricated and lubricated before going to work every day. Refueling should be serious, comprehensive, and must not be missed. At the same time, it should be observed whether the oil eye is clogged. Once found, it should be cleared and dredged.
2. Read the work order carefully and understand the work order requirements correctly
(1) The captain should correctly understand the requirements of the construction order before starting the machine, and check whether the sample and the work order are complete and consistent.
(2) Check the bronzing version against the original. Check whether the bronzing version meets the quality requirements.
(3) When the requirements of the construction order cannot be fully understood, the squad leader and supervisor should be inquired clearly, and production cannot be based on subjective assumptions.
3. The operation of machinery and equipment
(1) When starting the machine, it should be observed whether the machine has abnormal reaction. If there is abnormal noise, abnormal movement, local overheating, etc., it should be stopped immediately for inspection.
(2) Focus on observing whether the part adjusted in the previous shift is normal.
(3) Check whether the switches and brakes of the machine equipment are flexible and reliable.
4. Preparation of original and auxiliary materials
(1) Check whether the products that need to be gilded are in place. If they are not in place, it should reflect the monitor and assist the monitor to do the product handling work.
(2) According to different process requirements (such as polishing, gluing, etc.), the corresponding type of gold foil paper should be obtained, and the relationship between the printed parts and the gold foil paper must be fully considered.
(3) Commonly used bronzing paper models
A. Gold: 368398
B. Red gold
C. Silver: 368328
(4) According to the actual area of ​​bronzing, cut the bronzing paper. When cutting, you should make a little allowance to avoid too large or too small, causing unnecessary waste.
5. Machine adjustment
(1) Temperature adjustment. The temperature adjustment of bronzing should be determined according to different products, different technological processes and different models of bronzing paper. The temperature of bronzing should be determined by the effect of the final bronzing product.
(2) Pressure adjustment. During the pressure adjustment, it should be carried out from light to heavy, slowly, and finally increased to normal pressure. The pressure should not be adjusted too large at one time, so as to avoid crushing the bronzing plate and causing loss. While adjusting the pressure, you should also pay attention to the balance of the entire layout and the pressure is consistent.
(3) Adjust the needle position. The needle position adjustment should be based on the signature sample, the bronzing position is accurate, and the needle position is consistent.
(4) When you just start working, you should first iron a few samples and compare them with the original and the previous product to prevent misalignment.
6. Factors that should be considered in advance for bronzing products
(1) See what kind of gold is hot, and calculate the required amount in advance.
(2) After printing or pasting, seal with plastic wrap.
(3) Large-volume and frequently-made products should be copperplate.
(4) If the number of editions is more difficult, the film version should be printed. [next]
3. Production process
1. The operator should be responsible for the quality of the product and the safe operation of the machine
(1) Responsible for checking the product quality of the previous process, including printing, pasting, etc. If problems are found. It should be immediately reported to the monitor.
(2) Check whether there is any scrap in the products that need to be stamped, or several different papers are mixed together. If there is any, they should be stacked separately, marked, and reflected to the team leader.
(3) Responsible for random inspection with the bronzing quality of this machine, pay attention to the quality.
(4) Focus on the following aspects in product inspection:
a. hot stamping paste b. hot stamping is not strong c. writing and graphics are incomplete d. hot stamping is not allowed e. dirty surface
(5) Analysis of quality problems that often occur in bronzing
A: The paper can't be gilded:
a. Check if the printing oil is dry
b. Check if the pressure is balanced
c. Check whether the bronzing version is damaged
d. Check if the gold paper is related to temperature
B: Hot stamping paste version:
a. Excessive pressure
b. The temperature is too high
c. Layout line space is too large
C: Overheating is not allowed:
a. The bronzing version is not installed properly
b. Whether the pull rule is not in place
c. Paper deformation or selection
d. Check if the bronzing version is larger or smaller than the printing position
(6) Processing after hot stamping
A: The product to be bumped is immediately machined with bumps.
B: The bumps should keep up with the bronzing.
C: After filming, use film to check whether it is right.
(7) Strictly follow the operation regulations, concentrate on the operation, and do not grab the paper. Ensure the safety of machinery and equipment and life safety.
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