Pallets and Palletizing

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Standard weight of a pallet

35-40 lbs depending on wood thickness

Standard Pallet Size

40"x48" to accomodate railcar or truck dimensions

Advantages of returnable pallets

- reducion in cost - disposal is responsibility of pallet rental company -ensures pallet are properly maintained

Entry type

defines pallet design by indicating how the pallet is entered 2 way entry: stringer pallets 4-way entry - can be entered by forlift from all four sides

Pallet Stabilization and configuration

stabilized with: 1. adhesives 2. stretch wrap 3. Banding

Weight a pallet can hold

standard 5/8" 4-way wood pallet (48x40) can hold 4,600 lbs

Pallet Configuration

the way pallets are loaded into the truck or shipping container

Pallet Materials

wood, plastic, metal, or corrugated kraft board (90% of demand is for wood pallets [2013 PackWorld])

Wood Pallet grades

#1A or Premium: harwood construction, very clean if not new A or 1: hordwood/softwood mix, 5 bottom boards, repaired with metal plates (no stringer inserts) B or 2: hardwood/softwood mix, repaired with stringer inserts C or 3: very poor condition

Pinwheel

'wheel' around center

Factors determining type of pallet used

- costs - shipping and storage space - material/product being palletized -reuse (returnable pallets)

Overhang/Underhang

- leaves corners of pallet or product unprotected from damage - overhang reduces compression strength by 32% -minimizing overhang and underhang improves pallet utilization and is better stabilized

Types of Pallets

- many sizes and configurations - two broad categories: stringer and block pallets -stringer pallets use a frame of 3 or more parallel pieces of timber called stringers

Causes of a shifting load and how to prevent

-shifting caused by shock or vibration -interlocking used to minimize shifting, movement of row/columns prevented by adjacent row/column

Pallet Standardizations around the world (most common)

America: 48"x40" Asia: 43.3"x42.3" Europe: 31.50"x47.24" (fits through smaller doorways)

Pallet History

First US pallet: 1924 During WWII: more popular, used to transfer allied war materials first 4-way pallet in 1945 forklifts to move pallets: 1948

US Pallet size by industry

Grocery: 48"x40" Chemical: 48"x42" Dairy: 40"x40" Military: 48"x40" Telecommunications: 42"x42"

ISO

International Organization for Standardization (governs size of wooden shipping pallets and there are 6 globally accepted sizes)

NPPO

National Plant Protection Organization

Wooden pallets must be _______ to be used for international transport

heat treated (to 132.8F) or fumigated by methyl bromide IPPC logo

Irregular

interlock/columnstack/pinwheel irregular patterns, lots of software to help determine best configuration

Multiblock

interlocked in one direction but not the other

Unit block

not interlocked, column stacked

What is a pallet?

raise platform upon which goods are placed for transport

Pallet Style

the basic construction style of the pallet single face - one deck double face non reversible - a top face and bottom face that cant be reversed

Block Pallets

typically stonger the stringer pallets, utilize noth parallel and perpendicular stringers (4-way pallet) stronger bc: -more material - weigh more -taller, increased forlift clearance -less prone to damage due to strength


संबंधित स्टडी सेट्स

5-2 Properties of Quadratic Functions in Standard Form

View Set

13; The British Invasion Continues

View Set

EMT - O2 delivery, tanks, rates, and masks

View Set