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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.
PC/PMMA/GPPS/ABS Plastic Sheet & Plate Extrusion Line
Categories : Film and Sheet Extrusion Lines
PC/PMMA/GPPS/ABS Plastic Sheet & Plate Extrusion Line
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.
KS3B
Categories : Industrial Knitting Machines
Fabric Technology: single Jersey Why it’s popular: Our most versatile and productive single jersey. Gauge: 10G - 52G Diameter: 3" - 64" Feeders/inch: 3
WPC - Fully Automated Production System For Wood Plastic Composite
Categories : Plastic Pelletizer Machines
WPC PROCESS FLOW: . NATURAL RECYCLED WOOD . WOOD POWDER . WOOD PLASTIC COMPOSITE . WPC PRODUCTS
PLA-23G
Categories : PLA (Biodegradable Plastics)
Specific gravity：2.08~2.12 Application: Air soft bullets, Cosmetic product cases, Gambling chips.
Post Cooling Unit
Categories : Cooling Equipment / Industrial Chillers
Chen Way CWM Helping drum forming
Heavy Duty Double Toggle Injection Molding Machine
Categories : Horizontal Injection Molding Machines
The new design has ensured maximum space between tie bars, as well as a large daylight area. The fixed and moving platens are designed in such a way that the yensure complete accuracy and precision. The injection carriage uses a balanced double hydraulic cylinder to provide a secure hold between the mould and the nozzle to eliminate nozzle leakage. Linear guide ways reduce mechanical friction, decrease machine wear and increases accuracy over back pressure providing better control of the injection sequence. Bosch proportional valves are equipped with LVDT positional feedback and pressure transducer. The speed of the proportional valves is more precise resulting in more accurate control.
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
