《输送带外文翻译》word版

1、.外文翻译ENNLISH TRANSLATIONConveyor beltPoint of contact between a power transmission belt and its pulley. A conveyor belt uses a wide belt and pulleys and is supported by rollers or a flat pan along its path. These conveyor structures contain belts for moving bulk sulfur from railcars to storage piles

2、 and from the piles to ships .A belt conveyor consists of two or more pulleys, with a continuous loop of material - the conveyor belt - that rotates about them. One or both of the pulleys are powered, moving the belt and the material on the belt forward. The powered pulley is called the drive pulley

3、 while the un powered pulley is called the idler. There are two main industrial classes of belt conveyors; Those in general material handling such as those moving boxes along inside a factory and bulk material handling such as those used to transport industrial and agricultural materials, such as gr

4、ain, coal, ores, etc. generally in outdoor locations. Generally companies providing general material handling type belt conveyors do not provide the conveyors for bulk material handling. In addition there are a number of commercial applications of belt conveyors such as those in grocery stores.The b

5、elt consists of one or more layers of material they can be made out of rubber. Many belts in general material handling have two layers. An under layer of material to provide linear strength and shape called a carcass and an over layer called the cover. The carcass is often a cotton or plastic web or

6、 mesh. The cover is often various rubber or plastic compounds specified by use of the belt. Covers can be made from more exotic materials for unusual applications such as silicone for heat or gum rubber when traction is essential.Material flowing over the belt may be weighed in transit using a belt

7、weight. Belts with regularly spaced partitions, known as elevator belts, are used for transporting loose materials up steep inclines. Belt Conveyors are used in self-unloading bulk freighters and in live bottom trucks. Conveyor technology is also used in conveyor transport such as moving sidewalks o

8、r escalators, as well as on many manufacturing assembly lines. Stores often have conveyor belts at the check-out counter to move shopping items. Ski areas also use conveyor belts to transport skiers up the hill. A wide variety of related conveying machines are available, different as regards princip

9、le of operation, means and direction of conveyance, including screw conveyors, vibrating conveyors, pneumatic conveyors, the moving floor system, which uses reciprocating slats to move cargo, and roller conveyor system, which uses a series of powered rollers to convey boxes or pallets.The longest be

10、lt conveyor system in the world is in Western Sahara. It is 100 km long, from the phosphate mines of Bu Cr to the coast south of El-Aaiun. The longest single belt conveyor runs from Meghalaya in India to Sylhet in Bangladesh. It is 17 miles long and conveys limestone and shale. The Conveyor belt was

11、 manufactured in about 300 meter lengths and was joined together and installed on the conveyor at site. The job was carried out by NILOS India Pvt. Ltd. in Chennai Indian .The Idlers or Rollers for this very special Conveyor was produced and supplied by Kali BMH Systems (P) Ltd, Kumbakonam, India. T

12、he Idler Rollers were unique for the project that they were designed to accommodate both Horizontal and Vertical Curves along the terrain.Conveyors are used as components in automated distribution and warehousing. In combination with computer controlled pallet handling equipment this allows for more

13、 efficient retail, wholesale, and manufacturing distribution. It is considered a labor saving system that allows large volumes to move rapidly through a process, allowing companies to ship or receive higher volumes with smaller storage space and with less labor expense.10 Ways to Optimize Conveyor O

14、perations and Productivity(1) Keep your ax sharp - maintain your conveyorThere is an old story about a tree-cutting contest that you should know if you are running a conveyor operation. The contest was to cut the most wood in a one day. One lumberjack relentlessly swung his axe, working as fast as h

15、e could. The other stopped to sharpen his ax every hour and despite the downtime, he won. To avoid breakdowns and optimize performance, conveyor needs to be sharp ,as well. Since conveyor downtime is painfully expensive, you should perform scheduled maintenance, check lubrication, and replace worn-o

16、ut parts on time.(2) Know these fixes to common problemsService is expensive, and you can often avoid it by knowing the fixes to common issues:The conveyor suddenly shuts down for no apparent reason. Reset the emergency stop buttons, which are located around the conveyor and are used to shut it down

17、 in case of an emergency. These buttons are often tripped by personnel or by packages stored too close to the conveyor.Packages are accumulating in one area of the conveyor. There can be many causes for this, but in most cases the photo eye is dirty, obstructed or offset. Save yourself some money an

18、d time: check it before you call service.The drive runs, but the belt does not move. Check your conveyor for an overload. You can eliminate this issue through training and intelligent load redistribution. If redistribution does not fix the problem call service. Load will not accumulate on one or mor

19、e zones. Check the air lines for kinks. The air bags work properly if there is insufficient air. Also, check the air compressor for water since this can cause major problems with the pneumatic system.(3) Get to know your loadThe most common conveyor specification error is lack of detailed informatio

20、n on load data and application objectives. Often, load information is neglected and hardware is selected on an arbitrary basis recipe for poor performance and inflexibility. Examine the load in detail. Make a list of all of the units that will be handled on the conveyor. (NOTE: You can find a full g

21、uide to load factors here)Consider: (1) Shape or form. The load must be defined for what it is pallet, box, drum, wire container, engine block, automatic body, or other item. (2) Dimensions. If the load is a container such as a pallet, box, or tote, know its length, width, and height. If it is a uni

22、t item, the dimensions of the interface between product and conveyor much as the load bearing surface are critical information. In the case of product on a container, like a pallet of beer cases, the dimensions of both carrier and load must be known to provide for factors like overhang clearance. If

23、 the load consists of bulk materials, density and flow rate must be identified.Other factors include: Orientation. The position of the load on the conveyor must be established. A load length may actually become a height when the item is placed on a conveyor, tow line, or monorail carrier. Footprint.

24、 The bottom configuration, or footprint, of a load can have a strong bearing on the design and cost of a conveyor system. The following questions should be asked about footprints of different types of loads: Pallet ?are there block feet or runners, and in what direction? Are there broken boards, pro

25、truding nail heads, or straps? Drum ?are there chine? Does the bottom bulge? Cartons & boxes ?Is the bottom soggy? What about protruding staples? Is the bottom of the box fan-folded or taped? Does it bulge? All of these things could cause the box to act erratically on roller conveyors.(4) Utiliz

26、e energy-saving controls and devicesConveyors are very energy efficient compared to the alternatives for moving product through a facility. Substantial energy and cost savings are possible. How can you convey more for less energy? Some common sense ways to increase conveyor productivity Above: know

27、and understand your load factors to avoid a variety of issues. Misunderstanding load factors is perhaps the most common conveyor specification and maintenance error. We can assist you in tracking down the necessary information as you specify conveyor loads.Select the right motor for the job. The mot

28、or should run at or near top capacity at all times. If load weights vary, use two-speed motors and adjustable-speed drives to enable motors to run near top capacity.Keep the conveyor lubricated. Proper lubrication is a necessity in any energy efficient system using reducers, chains, and bearings. Be

29、sides saving energy, you抣l increase the life of your equipment.Turn your conveyor off when it is not in use. In some operations it may not make sense to continually switch them on and off, but you can efficiently do this in many cases. Intelligent controls can help by turning the conveyor off automa

30、tically when it is not needed.Use gravity feeds when possible. You can substitute gravity for power conveyor in the right situation, creating both equipment cost reductions and energy savings. Mixing power and gravity units to conserve energy and reduce costs is usually possible.Design with energy s

31、avings in mind. Use long, straight runs with fewer drives. If possible, power the entire system with one drive. Use high-efficiency speed reducers. Replace worn-out conveyor. Modern conveyors designed more efficiently, with appropriate controls, deliver significant return-on- investment based on ene

32、rgy savings alone.(5) Correctly select and integrate vertical and horizontal conveyorsWhen elevation changes are necessary, choosing the right vertical transport device can make or break system performance. You have to take into account system throughput requirements, product characteristics, elevat

33、ion change, number of charge/discharge points, manual or automated charge/discharge, interface with horizontal transport devices, proximity to workers, safety devices, environment, and future system requirements. Analysis of the above criteria will result in an optimum solution. In the unit handling

34、 world of a typical distribution center, examples might include vertical reciprocating conveyors (VRC), continuous vertical conveyors, incline belt conveyors, spiral conveyors, chutes, and scissor lifts.(6) Test for performance You have installed a new conveyor system, and you are ready to get into

35、production. Not so fast. It may be tempting to turn your system loose, but you be money ahead if you allow time for adequate testing. If you do a cursory checkout, you miss the opportunity to fine-tune controls and detect hidden mechanical issues. Conveyor systems can have millions of moving parts d

36、esigned to work in concert. Due to that complexity, a new system may need adjustments to perform. An outline of testing procedures: Inspection: Visually inspect the entire system. This is about safety. Are all the guards in place? Are the pull-stops accessible? Are the safety stickers easy to see an

37、d read? The mechanical and junction boxes should be closed. Function testing: Place a small number of items on the conveyor from the various in-feed points. This small amount allows for a controlled evaluation process. Look for obvious flaws; make sure all belts function, diverters and merges work p

38、roperly. Be sure cartons do not hang up anywhere in the system.Load testing: It is time to fully load the system to see how it performs at full capacity. Examine how high volume works, whether spacing between cartons is correct, or if any cartons bunch up. Overload areas to check how the system hand

39、les massive throughput and detect where any bottlenecks could occur.Error recovery: These tests primarily check system controls. Errors are induced to confirm recovery procedures. Examples of errors might include barcode or RFID misreads, or products improperly inducted or removed from the system mi

40、d-stream. Additional error? scenarios should be tested. Testers start and stop sections of the system to see how it handles these forces. Also check into that if ?scenarios to see how the conveyor will react to unplanned events. For instance, what would happen if an operator pushes two buttons at on

41、ce or pushes one by mistake and then quickly pushes the correct button. It is important to see as many possible events as you can, so the system can recover as quickly as possible from operator errors. For large systems, it is advisable to keep both mechanical and electrical personnel on site for at

42、 least 14 days to ensure good system operation. Overlap this time with training time if possible.Proper testing assures that a system works today and in the future. A system designed to handle 80 units a minute might need to convey half that many in its first year. Don抰 wait to discover that it chok

43、es at 65; test and find out. A system operating at a 20% capacity can look flawless, but might bog down at 80%. It is easier to make modifications during the testing than later on after the system is up and running.(7) Safety is essentialConveyors are a safe way to transport materials through your f

44、act one of the safest ways they require training, process and vigilance to stay that way. Here抯 what you can do: Awareness: Part of the issue, unlike with many other kinds of industrial machinery, is that workers often manager recognize the potential conveyor hazards. It moves slow relative to other

45、 machinery, and does not appear.? Conveyor might be seen more like a part of the warehouse than a machine that is powerful and can be dangerous if used inappropriately. Train new employees on how to use the conveyor, its on/off switches, emergency stops, and how to behave around it. And retrain your

46、 veteran workers to drive home the point. Nearly 42% of injuries around conveyors occur while performing maintenance, lubrication, or other mechanical processes.(8) Design conveyor workstations with ergonomics in mindUsing conveyor in combination with workstations is an excellent way to boost produc

47、tivity and increase safety. Musculoskeletal disorders can develop when workers lean, stoop, twist, or reach. These postures are also symptomatic of a less productive operation. A well-designed conveyor workstation eliminates risks and optimizes productivity. The two biggest factors are work surface

48、height and reach distance.Work surface height is the height at which hands are normally held to perform work on conveyed objects. Heavier tasks performed on larger objects require a lower work surface height than light, higher-precision tasks. Since people are different heights, one fixed height can

49、 serve for everyone and you can alter the height of the conveyor itself. The thing to do is design the height appropriate to the load. If you want to vary it, design it for the taller workers and utilize step platforms for shorter workers. For standing workers doing belt picking or light assembly, t

50、he rule of thumb is about 42 inches. For seated workers, it 30 inches.Reach distance: Zones of repetitive reaching on a conveyor should be within 18 inches of the front of the operator body. This increases productivity and helps avoid repetitive musculoskeletal injuries by limiting repeated forwards

51、 reaching. This is affected by load. If numerous items are being picked from the belt, the zone of repetitive reaching encompasses the entire belt. If you are consistently moving larger items that take up most of the belt, the zone might not extend to the far edge of the belt since objects might be

52、grasped at mid-depth, within the zone. If you using a wider belt with pickers on each side, the ergonomic sweet spot is still 18 inches to the center of the belt.(9) Choose the right beltingA powered conveyor belt is the only component in contact with both the drive pulley and the product. Despite t

53、his, it a frequently overlooked component. It can greatly enhance conveyor performance if properly selected and installed, or cause headaches if it is not. There are thousands of conveyor belt styles, materials, thicknesses, surfaces, and colors to consider. Because belt is costly and sometimes diff

54、icult to install correctly, getting it right the first time is important. Things to consider include the kind of load, the need for increased oil resistance, and applications where the load & conveyor may make belt tracking more difficult. Specialized conveying applications like food handling ha

55、ve entirely different belting requirements. Others require a belt that assists the conveyor when items are diverted. Your application, load and requirements will determine the right belt type. Know those in detail and you more than halfway to selecting the right belt.(10) Make conveyor technology up

56、gradesTodays conveyors and station systems offer advantages unavailable just a few years ago. Distribution systems now perform at levels well beyond their predecessors. One of the more significant examples occurs within accumulation systems. Known as Dynamic Zone Allocation, the system automatically

57、 adjusts the conveyor zone length to accommodate the length of the carton being conveyed. The result is that product density is increased as required, and system throughput increased dramatically. More importantly, if larger cartons are introduced after the installation, the system is not obsolete.

58、This technology creates flexibility for today and the future. An additional feature of newer technology is loading zone? function ability of the system to tell the difference between a load in transport and one that is inserted, and only delay inserted loads is one example. It is all about system pe

59、rformance to meet the growing needs of today distribution center. Secure Online Purchasing Product Index Barriers, Rails, Partitions Cantilever Racks Carousels Carts & Trucks Casters Containers, Totes, Bins, Hoppers Conveyor Dock Equipment Gravity & Carton Flow Racks Lifts & Balancers Lockers Mezzanines Modular Buildings Modular Storage Pallet Racks Safety & Ergonomics Shelving Wire Partitions Work Benches Consulting Service & Maintenance Systems Integration Control Systems About