The main function of a screw conveyor is to transfer large heavy items from one process to another. They are an efficient piece of equipment primarily used in the industrial sector.
Some examples of a screw are: - A light bulb - A lid on a jar - A bolt - A corkscrew
A screw with a graduated head used in some forms of micrometers; turning the head one full revolution advances the position of the tip of the screw only by a little or A screw with fine threads used for the measurements of small spaces.
Some have a setting screw, some have a pointer and gauge.
Most screws are made of some metal or another.
A screw jack is an example.
Screw conveyors are not dangerous at all! All the motion components of the screw conveyors are kept covered by metal structures or bells. The inspection doors are kept locked until the screw conveyor is stopped, otherwise it is necessary to put a grid in order to avoid any dangerous situation.
Buying conveyors used is a good way to save some money. Conveyors can be purchased used at Excess Equip or Used Conveyors For Sale. Craigslist and eBay are always good sources for used items as well.
Advantages of Screw conveyor: * Screw conveyors are capable of handling a great variety of bulk materials from sluggish to free-flowing. * Screw conveyors can have multiple inlet and discharge points. Bulk materials can be conveyed and distributed to various locations as required. Slide gates or valves can be added to control the flow into and out of a screw conveyor. * When a screw conveyor is used as a metering device, it is considered a screw feeder. Screw feeders are used to initiate a material process by metering product from a bin or hopper. Disadvantage of Screw conveyor: * When the angle of inclination increases, the allowable capacity of a given unit rapidly decreases.
dcgraves.com seems to have plenty of information on roller conveyors. You can also check wikipedia for more information and advice on roller conveyors.
The types of conveyors used in cement industry are,Belt conveyorsRoller conveyorsCable conveyorsPipeline conveyorsScrew conveyorsElevating conveyors.
Depending on your local hardware rental you can rent a small conveyors for as little as 100.00 a day. You can find these online and you can search under your state.
The best website to buy belt conveyors from is www.gilmorekramer.com. They have a wide selection of belt conveyors to best suit the needs of your new company.
Dematic pallet conveyors are convey systems that typically can support a heavy load and work efficiently in a variety of industries. Specifically Demantic is a company that manufactures pallet conveyors.
The following companies manufacture material handling conveyors: Cemanet, Sriaariengg, Conveyor Handling Company, Thomasnet, Mheus, AGC Converyors, Shuttle Worth, Decon Conveyors, Kornylak.
Gravity conveyors are typically used to rapidly move products over rollers with the use of gravitational forces via slanting sections or similar techniques in lieu of powered motors, rollers or conveyors.
There are several good brands of portable conveyors. E-ZLift is one of the leading companies for portable conveyors.
Yes, there are several companies that provide portable conveyors for rent. Some that I found are McCloskey International: 1-888-838-9252 and Portable Conveyor Services: 1-866-CONVEYOR