Intimate gel,women wash,vaginal gel,yoni oil Zchoise Cosmetic Factory , https://www.gzzchoise.com
When purchasing PET raw material particles, enterprises should pay attention to whether the quality indicators meet the technical requirements of the company. The specific detection indicators for PET raw material particles include the particles' powder, melting point, ash content, water viscosity, chroma, acetaldehyde content, Terminal carboxyl content and so on. In the process of logistics and transportation after the procurement of PET raw material particles, companies should focus on the packaging of PET particles. In the production and processing process, the key points for detection of PET raw material particles by enterprises include the drying temperature, drying time, dew point after drying, plasticizing temperature, back pressure during injection, screw rotation speed, pressure holding time, and pressure.
After obtaining the qualified PET raw material particles, we also need to melt the PET raw material particles to make the preform, blow molding, disinfection and filling into finished products. As a well-known production company, we do this in the production process:
The main and key inspection items for preforms include:
1. Check the finish of the bottle mouth is flat; whether the threads in the tooth area are complete; whether the flash and support ring are in good condition; whether there is coking, color, sticking, depression, scratches, pollution, foreign matter, dirty, air bubbles, white fog, tail Wire drawing, incomplete, broken, etc. In the process of replacing new equipment, new molds, and adopting new processes, if an abnormal situation occurs, the frequency of appearance inspections must be increased according to the actual situation.
2. In the process of replacing new equipment, new molds, and adopting new processes, if an abnormal situation occurs, the entire mold or the size of the eight preforms must be inspected according to the actual situation (the size of the embryo port is measured by a projector).
3. Check the preform weight, embryo height, inner diameter of the bottle, outer diameter of the bottle mouth, outer diameter of the thread, outer diameter of the anti-theft ring, outer diameter of the support ring, distance from the bottle mouth to the anti-theft ring, distance from the bottle mouth to the support ring, upper thickness, upper Waist thickness, lower waist thickness, bottom thickness and other parameters. None of these parameters can exceed the set value deviation range.
The main and key inspection items for bottles include:
1. The appearance of the entire mold needs to be inspected after each power-on or after-shift, to confirm the appearance, capacity, and post-filling conditions of the bottle. After normal production, confirm the final process.
2. Check the bottle's end face is flat; thread is complete; the bottle's flash, the support ring is intact; whether there is coking, color, sticking, scratches, scratches, pollution, dirt, bubbles, water marks, White fog and other undesirable phenomena; molding is intact, no dead material, dents, pull out, cracked, bottom core offset; in the process of replacing new equipment, new molds, and adopting a new process, if there is an abnormal situation, must be in accordance with the actual The situation increases the frequency of visual inspections.
3. Check the weight of the bottle, bottle size, bottle height, shoulder thickness, upper waist thickness, lower waist thickness, the thickness of the bottom of the bottom, the center thickness of the bottom, the outer diameter of the shoulder, the outer diameter of the upper waist, the outer diameter of the lower waist, the bottom Outer diameter, cold capacity, heat capacity, drop performance, top pressure.
The main and key inspection items for the cover include:
1. Check the shell - whether or not the wire is drawing; whether the color is normal; whether there is cracking or deformation, the anti-theft ring bridge fracture, etc.; whether the shell and anti-theft ring is not completely formed; check the thread - whether there is deformation, incomplete molding, there is wire Symptoms, etc.; Inspection of internal plugs - whether there is incomplete molding phenomenon; the lid has no foreign body, odor, deformation and so on. In the process of replacing new equipment, new molds, and adopting new processes, if an abnormal situation occurs, the entire mold or the size of 10 covers must be inspected according to the actual situation;
2. Detect the outer diameter of the cover, the outer diameter of the anti-theft ring, the height of the cover, the inner diameter of the anti-theft ring gear, the inner diameter of the anti-theft ring, the inner diameter of the thread, the height of the cover (excluding the anti-theft ring), the outer diameter of the inner plug, the inner diameter of the inner plug, the inner plug height Thickness, cover weight. The outer diameter of the cover and the outer diameter of the inner plug can be detected using a projector.
The above test items can be completed either by manual regular sampling or through on-line testing equipment to continuously detect several key items. After testing, qualified bottles will be filled into the filling machine. Currently, in order to achieve higher production efficiency and profit rate per unit of time, each dairy beverage manufacturer is increasing the speed of filling equipment (from 36,000 bottles/hour in previous years to 48,000 bottles/hour). Therefore, on-line inspection of filling products cannot be completed by manual operation. At present, production enterprises basically use the full-scale camera equipment produced by foreign manufacturers to check the cover and liquid level of the finished product, and use the extrusion equipment (for flexible bottles) to check the sealing condition of the bottle. There are many manufacturing companies adopting the above two detection methods for safety and insurance, and equipped with an automatic rejection device for unqualified products to ensure that every product that flows into the market is a qualified product.
Online detection and quality control process of milk beverage plastic bottles
With the continuous expansion of the market for milk beverage plastic bottles, the on-line detection and quality control processes for milk beverage plastic bottles are increasingly becoming the focus of quality control for dairy products and beverage manufacturers.