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FAQ

What is the delay time of the packer's cross sealing?
There is also a delay in the end of the last movement of the machine to the beginning of the sealing action.
Food, equipment, tools, containers, packaging materials, etc. shall comply with food safety standards or requirements
Graphic symbols for packaging and storageGB/T 5009.60. Analytical method for hygienic standard of polyethylene, polystyrene and polypropylene moldings for food packaging
How is the production and characteristics of ceramic wall tiles different from the size and performance of molding?
What is the size of the parison forming pressure and the performance of the ceramic wall and floor tile products?Ceramic wall and floor tiles are usually formed by pressing. Domestic made for 30 tons, imported equipment has tons of suppression, 200 tons and 500 tons. In order to smooth accurate size, excellent products, must pay attention to the effect of powder properties and compression of products. That is to say, the quality of the floor tiles, billets, methods of preparation, and the quality of products and production scale and way of pressing machinery. As for pressing pressure, as the molding pressure decreases, the sintering shrinkage becomes smaller and the water absorption rate becomes smaller, the durability of the product should be improved. It should be noted that the pressure should not be too high. Excessive pressure, stress, and density increase will cause unnecessary energy consumption, and cause compressed air to expand after pressure is canceled and cause excessive spalling.
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, water
What does the mechanical equipment include?
Packaging equipment: packaging equipment, packaging testing equipment, packaging container manufacturing equipment, special packaging equipment, filling equipment, mechanical barcode labeling machines, multi-functional packaging machine, wrapping machine, sealing machine, filling machine, strapping machine, dryerPrinting equipment: coding, inkjet printer, offset press, digital printing machine, flexo printing machine, pad printing machine, screen printing machine, complete set of printing equipment, finishing equipment, pre press processing equipment, printing equipment, printing partsSeparation equipment: filter, filter, oil filter, filter press, purification, filtration, screening, filtration, extraction, filtration, distillation, filtration separator / centrifuge, powder separation equipmentWelding and cutting equipment: electric arc welding head electric welding solder wire welding torch torch Taiwan electrode tip plasma welder welder laser welding friction welding machine more chemical equipment heat transfer equipment, chemical equipment transfer pipeline material environmental protection equipment mixing equipment laboratory equipment pressure vessel instrument and electrical equipment reactor piping and fittings of non-metallic equipment
A & B two sets of packaging machines, at the same time packaging quality of 500 kilograms of goods
(3) large variance, indicating that this group of data volatility, variance is small, volatility is relatively stableAnswer: (1) a = x (501+500+503+506+504+506+500+498+497+495), 10=501,B = x (503+504+502+498+499+501+505+497+502+499), 10=501;(2) S2, =1/n[(501-501) 2+ (500-501) 2+... + (495-501) 2]=12.6,S2 B, =1/n[(503-501) 2+ (504-501) 2+... + (499-501) 2]=6.4;(3) a b > S2 dreams S2,The quality of R B packaging machine 10 bags of sweets is relatively stable.Comments on the subject, mainly on the average number, variance calculation, and their significance, the correct memory formula is the key to solving problems
What is the name of the paper used in packing machine parts and yellow?
Rust preventive action, commonly used for steel vapor rust preventive paper, but also for a variety of metals.
Vacuum packing machine for cooked food: can whole chicken, whole goose and whole duck be packed?
Sometimes, this wine packaging PigHead, with different types of vacuum packaging machine