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JB-CD Latex Condom Dipping Machine
Categories : Rubber Dipping Machines
Condom manufacturing machine process Collecting the raw materials Rubber latex is obtained from the milky fluid produced by various tropical plants. Latex is actually an emulsion or dispersion of tiny rubber particles in water, and ingredients added to the latex must be able to attach to the rubber particles during compounding. Compounding Next, chemical additives are mixed to form a paste. This paste is then blended with the liquid latex in a process called compounding. Storage The latex and chemical compound is then unloaded into drums for storage, where it remains for approximately seven days. During this period, vulcanization chemically strengthens the bonds of the rubber. The storage time also allows any air, which might have been trapped in the mixture during compounding, to escape. Dipping The compound is then added to the dipping or condom-forming machine. The dipping machine is a long, hooded machine approximately 100 feet (30.5 m) in length. Thick tempered glass rods move along a closed belt between two circular gears. The belt drags the rods, which are called mandrels, through a series of dips into the latex compound. The mandrels rotate to spread the latex evenly. Several coats are required to build the condom to its required thickness. Between each dip, the latex is hot air dried. After the final dipping and drying, the condoms automatically roll off the mandrels. A machine shapes and trims the ring of latex at the base of each condom. Tumbling Next, the condoms are put in a tumbling machine, where they are coated with talc or another similar powder to prevent the rubber from sticking to itself. Testing After a curing period of several days, the condoms are sampled by batch and tested for leaks and strength. The first such test is the inflation test, in which the condom is filled with air until it bursts. Condoms are required to stretch beyond 1.5 cubic feet, about the size of a watermelon, before bursting. This test is considered most important because the elasticity of the condom keeps it from tearing during inter-course. In the water-leakage test, the condom is filled with 10 ounces (300 ml) of water and inspected for pin-sized holes by rolling it along blotter paper. Condoms are also tested electronically. This involves mounting each condom on a charged stainless steel mandrel. The mandrel is passed over by a soft, conductive brush. If pin holes are present, a circuit will be established with the mandrel, and the machine will automatically reject the condom. Packaging Condoms that have successfully passed these tests are rolled by a machine. Rolling the condom makes it easier to package and use. Lubricant and spermicide may be applied by a metering pump just before the top wrap is added in the foiling process.
Multiple Embedded Rotary Injection Molding Machine-YR Series
Categories : Vertical Injection Molding Machines
• Vertical clamping with vertical injection. • Rotary table oscillate 180 °, rotate back / forth for easy loading and finished parts pick out, to increase productivity. • Rotary table with location pin, accurate positioning for mold alignment and automation. • Robot interface capability for complete automation. • Standardized wtih 2-sation function, and capable for 3-station or 4-station function & automation linkup for advanced efficiency. • Standardized wtih 3-column clamp, and available for 4-column clamp upon request.
PLA-23G
Categories : PLA (Biodegradable Plastics)
Specific gravity：2.08~2.12 Application: Air soft bullets, Cosmetic product cases, Gambling chips.
HomeProductsInverter / Inverter Duty Motor: GFEF Series
Categories : Motors
Foot mounted Insulation class: F class Suitable for general inverter applications Basic speed adjustment Reliable operation function Energy-saving and easy-maintenance
Preform Injection Molding Molds
Categories : Injection Molds
Professional PET injection molding machine. Whole plant export includes know-how Special use extrusive screw. High mixes for PET plasticity. Digital control system uses 4 CPU computer systems. Heat treated stainless steel molds for a long service life - guaranteed 2 million times. Japan SEIKI hot runner, air valve, and auto temperature control. Double circuit negative pressure chiller. Technical consulting service is available by request.
Extrusion Lamination Machine For Sandwich Type
● This machine is applicable for woven, non-woven, stone paper etc. ● It is also equipped with a sandwich unwinder for BOPP. ● Unwinder adopts magnetic powder brake and auto tension control. ● Winder adopts four roller and surface friction type. ● Whole machine is synchronously controlled by PLC programmable, and easily operated through human machine interface.
Foam Sheet Extrusion Line
Categories : Film and Sheet Extrusion Lines
Foam Sheet Extrusion Line Features : With proper mixing of melted resin & blowing agent, provides most homogeneous mixing. Accurate blowing agent injecting quantity and temperature control to stabilize the foaming process. High level safety control, system will be shut down automatically when extruder motor failure or high pressure.
Tarpaulin Making Line (Automatic Line)
Categories : Film and Sheet Extrusion Lines
Our automatic tarpaulin making line is designed to weld multiple rolls together with 2 side eyeleting, and cut to desired length simultaneously.
MULTIFUNCTION TWO-SHAFT TYPE SEMI-AUTOMATIC ALUMINUM FOIL & CLING FILM REWINDER (SRB-A-2S 20-50)
Categories : Slitters and Rewinders
SRB-A-2S, the two shaft type semi-automatic, multiple functions rewinding machine Suitable for rewind aluminum foil and PE, PVC cling film. The mother roll available width is from 200-500 mm. The finished paper core’s I.D. is from 25-50 mm. This model is carried a brake system, controls the brake power accurately. Users can check the data of brake output and single product weight anytime. SRB-A-2S is able to set prior deceleration points of every speed level. Users only need to adjust rewinding speed afterwards. Machine will regulate deceleration points automatically by the settings. It has automatic functions of cutting and fixed length feeding. Users will thread the material onto paper core more convenient. The whole machine is combined of electronic control, carried with electric motor system; enable more precise and quicker shaft-changing movements. While finished rewinding process, the rewinding shaft will back off by itself. Users can switch to the automatic mode which start machine automatically after shafts are pressed down. Automatic cutting, automatic shaft-changing and shaft pressing, users just need to load & unload products after press start button. Welcome to consult machine with us. We will at your service.
