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Calendering, extrusion, blow molding, pressing, plastic (vacuum forming) and what is the rotational molding
- Plastic forming and processing methodPlastic molding is an engineering technology, involves the plastic into all kinds of plastic products in the process. The transformation process tends to happen in one or more of the following conditions, such as polymer rheology and physical and chemical properties of the change.s
Working principle of packing machine
- In the first step, the wrapping paper is pulled down by a bag pulling motor, and then the paper part is supplied with paper according to the signal of the paper feeding sensor, and the wrapping paper is formed through the forming part of the shapers
How does the pulp solidify? What additives do you need? Curing agents? Or what do you need as binders?
- (1) urea formaldehyde moulding powder;The resin powder of urea formaldehyde resin, commonly known as electric jade powder, is produced by wet process, such as tree ester, curing agent, filler, colorant, lubricant, stabilizer, plasticizer and so on1 Components(1) resin used for urea formaldehyde resin molding powder by condensation reaction degree is relatively shallow, the resin with low viscosity, easy dipping filler, and can ensure the long production cycle and drying after proper fluidity, condensate in the industrial use of urea and formaldehyde at low temperature (a mixture of dimethylol urea, urea and formaldehyde) are usually used. The ratio of 1:1.5 (molar ratio), the PH=8 (and temperature) 30 - 35 of all dissolved, adding urea oxalate was 0.3% - 0.33% and 0.88% - 0.54% of the oxalic acid, then the occurrence of exothermic reaction, temperature rise, temperature in 55 - 60 degrees, and strictly control the PH=5.5 - 6.5, 60 - 75min by urea formaldehyde resin is required. Because the condensation degree is low, in fact just over addition reaction, condensation reaction is mainly in the curing process.(2) the curing agent used in curing agent and pressing powder requires latent, usually oxalic acid, phthalic acid, two formic acid, benzoic acid, chloroacetic acid, etc.(3) packing material is the most commonly used pulp, followed by wood powder or inorganic fillers (glass fiber, asbestos, mica etc.). The pulp is wood as raw material, with sodium bisulfite, non soluble cellulose impurities to the wood, and then byThat is the pure cellulose bleaching. The amount of filler material for the total amount of 25%-32%, the amount is too small, the pressure of plastic powder fluidity big, product strength is low; on the contrary, the amount of excessive pressure, plastic powder fluidity decreases, the product surface is not smooth, waters
Such as cleaning, stacking and disassembly. In addition, also includes the measurement or the package seal etc.
- Mechanical sales are nothing more than two points: first, equipment aging, need to update; two, equipment efficiency is low, need to improve. You don't know anything about the customer. Come up and sell the product. If you are a customer, I don't think you have the patience to listens
Bread packing machine Product features
- 4., high sensitivity photoelectric eye mark tracking, digital input seal cutting position, so that the seal cutting position more accurate.5. temperature independent PID control, better for all kinds of packaging materials.6. 、 positioning stop function, no sticking knife, no waste of coating.7. drive system is simple, more reliable work, more convenient maintenance.8. all control is realized by software, which is convenient for function adjustment and technical upgrading, and never falls behind.s
Whether you can press paper plastic molding after PET
- Another hot pressing mould pressing needs, blister sealing machine uses a plastic bakelite mold mold, high frequency plastic welding machine is used Aluminum Alloy mold. The size of the mold needs to be determined by blister.s
Energy saving reform of packaging machine
- A) the main control circuit is composed of man-machine interface (text display), frequency converter and programmable logic controller (PLC), which constitute the control core;B) the temperature control circuit is composed of an intelligent temperature control meter, a solid state relay and a thermocouple element. The temperature control is accurate, the display is intuitive, and the setting is convenient;C) multi point tracking and detection by photoelectric switches and electromagnetic proximity sensors; 2) fully automatic pillow type working principle:With the improvement of automation, the operation, maintenance and routine maintenance of the packing machine are more convenient and simple, and the professional skill requirements of the operators are reduced. The quality of the product packaging is directly related to the temperature system, the speed accuracy of the main engine and the stability of the tracking system.s
Donkey hide gelatin cake made of sticky, forming very well, that is, vacuum packaging, after a little sticky in the vacuum bag, what's going on?
- Now the standard of living has improved, basically the vacuum bag. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.s
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