The Very Narrow Aisle Warehouse Jungheinrich-PDF Free Download

The Very Narrow Aisle Warehouse Jungheinrich
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Overview of contents,The subjects,Design Criteria 4 Assembly and components 19. Systems in comparison 4, Narrow aisle storage 5 Preconditions for assembly 27. Racking service 30,Guidance systems 6 Warehouse organisation 31. Mechanical and inductive guidance 6,Mechanical guidance 7. Inductive guidance 12 Construction and requirements 34. Racking 18 Driver assistance systems 38, Pallet racking in narrow aisle warehouse 18 Systems and application 38.
RFID Technology 42 Efficiency in the warehouse 58,Ex Factory individual solutions for VNA trucks 60. Enquiry sheet for busbar 63,Personnel protection systems 44. Energy supply 64,Process optimisation 48,Battery charging technology 64. Warehouse navigation for narrow aisle trucks 48,Benefits of warehouse navigation 50. Regulations and standards 67,Practical experience 51.
Warehouse navigation for wide aisle storage 54,Radio data transmission 56. Warehouse Management System 57,Design Criteria,Systems in comparison. Wide aisle storage Narrow aisle storage Crane high rack warehouse. Floor and racking storage Floor and racking storage Racking storage. Rack bays single or multi position Rack bays as single or multi position Rack bays single or multi position. systems systems systems silo storage, Manual operation Manual semi or fully automated Automated operation or manual. Pedestrian pallet trucks Counter operation Stacker cranes. balance trucks or Reach trucks Tri lateral or order pickers Lateral load pick up. Typical aisle width 2500 4500 mm Lateral load pick up stacking front Typical aisle width 1400 mm. Lift height to approx 12 000 mm load pick up order picking Lift height up to approx. Low to high degree of space Typical aisle width 1400 2000 mm 35 000 mm. utilisation Lift height to approx 16 500 mm High degree of space utilisation. Medium to high throughput Medium to high degree of space Very high throughput. Low to medium investment costs utilisation High investment costs. Medium to high throughput,Medium investment costs,Narrow aisle storage. Characteristics Objective Planning, The narrow aisle warehouse allows Minimising the working aisle width and It is critical to correctly plan the inter.
maximum space utilisation by making maximising throughput allows the best faces between rack and trucks includ. the aisles as small as possible Along possible utilisation of bulk storage and ing all relevant safety distances and. with high lift heights the narrow aisle picking profiles with in the same envi racking clearances The project man. system offers high space utilisation ronment using the same truck agement of these interfaces are vital. for the success of a project,Due to the single deep rack configura. tion each pallet position can be easily,accessed The narrow aisle trucks are. designed so that order picking can take,place directly in front of the cab. Narrow aisle storage allows strategies,such as first in first out to take place in. a controlled environment,Guidance systems,Mechanical and inductive guidance.
To minimise the aisle width fork trucks Rail guidance on the trucks allows high. in narrow aisle systems operate with travel and lift speeds without the need. minimum safety distance to the rack for operator intervention Guidance. ing EN 1726 prescribes a minimum systems ensure safe operation and are. safety distance of 90 mm between the the basis for high throughput. trucks load handling unit and the pallet,in the racking Dependent on the type. of guidance truck type and pallet size,larger safety distances may be required. Mechanical guidance,Function principle,The truck is mechanically guided be. tween two steel profiles bolted to the,floor Rollers fitted on the side of the. chassis 2 3 on each side keep the,truck between the rails in the centre of.
Safety distance for rail guidance,Most favourable results regarding op. erational safety and throughput effi,ciency can be achieved with a safety. distance of 100 mm for rail guided,The distance between the trucks load. wheel and guide rail should be at least,50 mm This type of layout makes en. tering between the rails easier for the,Safety distances for rail guidance.
Working aisle width,with rail guidance,The minimum width for the working. aisle AST is the result of stacking in,depth of the load structural dimen. sions of the respective truck type and,safety distances. reinforcement base concrete,Aisle width with rail guidance. Aisle width with rail guidance,b2 load axle width b26 minimum dimension between.
b6 width over guide rollers guide rails, b9 b14 cab lateral frame width AST working aisle width. Construction of rail guidance, Rail guidance can be installed in high Depending on the truck s geometry truck The forces in the remaining aisle. and low profile rail variants and can be and travel speed varied forces and mo run are reduced to 8 to 10 kN F2. in fitted with concrete or similar com ments arise The forces are influenced. pounds High rail guidance has a pro by surface tolerances of the floor In order to make the entry into the rails. file height of 100 120 mm easier for the operators a lead in is in. The forces are imposed onto the rail via stalled at the start of the aisles The. If a concrete base is laid before the the guide rollers In general trucks length of the funnel or radius is approx. racking is erected this is called a com have four guide rollers two at the front 300 mm with an opening angle of 15. pound filled guide rail A low rail pro and two at the rear of the chassis. file is used if pallets are deposited at Lead ins are a high risk area and should. ground level behind the guide rail A At the start of the aisle the truck is generally be installed with high pro. high profile rail can also be installed positioned between the rails with the files as this would ensure safe control. without a compound in fill leading guide rollers On entry the during the positioning process. leading guide rollers bear the main, Depending on the requirement differ force Lateral forces can reach up to Installation of guide rails. ent profiles can be selected according 25 kN F1 The length of the position The guide rails are laid and bolted onto. to rigidity section contact surface and ing area is approx 2500 mm up to the the floor Allowances are made for the. ease of assembly point where all guide rollers guide the different forces in travel and high risk. area by appropriate bolting distances,The distance between can be 600 to. 700 mm between bolts This should be,reduced to approximately 300 mm in.
the high risk entry area,The rail joints are either bolted or. welded and ground on site during as,sembly The welds are protected against. corrosion with appropriate surface,approx 700 mm,approx 2500 mm. approx 300 mm,approx 300 mm,Installation of guide rails. Examples of construction variants profile sections may vary. High profile guide rail,compound filled,Easily cleaned floor areas.
No bottom beam required,Same distance for working aisle. and distance between guide rails,Large load axle widths with high. capacities can be achieved,Acceptance of large lateral forces. Very suitable at high lift heights,Screeding only possible in travel. e g profile C 120 6,High profile guide rail,non compound filled.
Easy assembly,Easy to dismantle for changes to,Bottom beam required. Application in small to medium lift,heights with low lateral forces. e g profile L 100 65 11,Low profile guide rails,No bottom beam required pick up. and deposit loads directly onto the,Easy assembly,Application in small to medium lift. heights with low lateral forces,Easy to dismantle for changes to.
For smooth operation a minimum,clearance of 15 mm between the under. side of guide rollers and the floor is,recommended. e g profile U 65 42 6,e g profile L 40 60 8,Inductive guidance Wire guidance. Function principle guide wire recognition,The inductively guided truck follows a antenna. guide wire laid in the floor A frequency,generator feeds the guide wire with.
high frequency alternating current low,voltage The current produces a con. centric electromagnetic field, Antennae fitted to the truck recognise approx 20 mm. this field Thus every deviation of the,truck to the guide wire is registered A. approx 50 mm,compensation steering process is auto. matically initiated so the truck is safely,controlled in the aisle 6 mm.
reinforcement plate,base concrete,Guide wire in warehouse floor. Warehouse floor Electrostatic charges in the case of. The following has to be noted when Other metallic components such as inductive and rail guidance. installing reinforcement plates or steel steel profiles for protection on expan Special emphasis should be put on the. fibres in the floor sion and settlement joints should be floor s ability to develop electrostatic. avoided within an area of 250 mm charges The amount of conductive re. To avoid a negative effect on the elec relative to the guide wire and should sistance is dependent on site conditions. tromagnetic field the reinforcement never be arranged parallel to the guide and the materials used but should be. plate grid must be installed in the con wire The installation instructions of the less than 106 Ohm relative to ground. crete below the guide wire level A Jungheinrich Systems and Projects de potential In this context the use of. distance of 50 mm between guide partment must be followed without insulating materials for floor construc. wire and reinforcement is recommend fail Consultation with customer service tion and coating should be avoided. ed If steel fibres are used instead of is also necessary With an insulating coating the electro. reinforcement an even distribution of static charge accumulation on trucks. fibres in the concrete must be ensures Where possible the expansion joints cannot be discharged to the floor and. The metal fibre content of the concrete should be placed underneath the rack can lead to problems or vehicle mal. must not exceed 30 kg m3 ing where there is not stress on joints functions. caused by the truck,Safety distance for inductive,Optimised results regarding operational. safety and throughput can be achieved,with a safety distance of 125 mm for. inductively guided vehicles The distance,between load wheel and racking or. stacked loads in the racking whichever,is closer should be at least 100 mm.
Safety distances for inductive guidance,Working aisle width for inductive. A minimum working aisle width AST,results from the stacking in depth of. the load constructive dimensions of,the respective truck type and safety. reinforcement base concrete,b2 load axle width,b9 b14 cab lateral frame width. Aisle width for inductive guidance,Guide wire cable.
For the laying of the guide wire cable,a 15 to 20 mm deep and 6 mm wide. channel is cut in the floor Water is,used to limit the dust created and the. residue is cleaned away,An insulated copper cable is then in. serted and the channel is filled again,with an epoxy resign compound To. prevent the guide wire breaking as a,result of movement or expansion of the.
floor slabs we recommend that omega,expansion loops are formed at the ex. pansion joint and the joint area filled,with elastic sealant This allows the. Inserting the cable,cable to compensate for floor move. ment or expansion The use of double,sheathed cable is also advantageous. If the return cable cannot be laid in the,floor it can be fixed to a wall or roof in.
PVC conduit,To maintain the required tolerance of,the guide wire from the aisle centre. the guide wire should be laid after,the racking is installed The tolerance of. the inductive guidance line on the en,tire aisle length should be a maximum. of 5 mm from the centre line of the,the working aisle. Soldering the connection points, Installation tolerances and permissible deformation of the racks.
Frequency generator,A frequency generator feeds the guide. wire with high frequency alternating,current Four individual loops each with. a maximum length of 1000 metres can,be connected to the Jungheinrich gen. erator If one loop is disconnected the,others remain operational. The frequency generator should be,mounted at a safe easily accessible.
position Where the mains supply can,not be garanteed an independent volt. age source buffer battery can be in,stalled as an emergency power supply. Mains power failure can therefore be,Frequency generator. bridged for approx 2 hours, A power circuit with a separate fuse Six different frequencies from 4 kHz to be modulated into a loop normally for. should be planned for the frequency 9 5 kHz can be parameterised The ad safety circuitry in special applications. generator and emergency power sup justable loop current can be assigned for. ply The supply voltage is 220 V single each frequency from 25 mA to 120 mA. phase with 50 60 Hz Up to three different frequencies can. Inductive guidance with,high precision,The extremely high guidance precision.
is characteristic for Jungheinrich induc,tive guidance This is facilitated by the. steering in AC technology that per,forms positive and rapid corrections A. distinct advantage compared with tra,ditional hydraulic steering with passive. steering characteristics,Other advantages,Guide wire approach up to an angle. of nearly 90,Positioning process,Space saving on the transfer aisle.
Fast entry into the aisle,High travel speed on the guide wire. Will detect different frequencies,in the floor,Different frequency states are.

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