Module 1 Vocab Flashcards
Learn all terms (213 cards)
1
Q
4-D
A
Four Directions of Travel - This type of truck can travel in 4 directions. forward, reverse, left, and right.
2
Q
AC
A
Alternating current - positive and negative polarity alternate. 60 cycles / minute in US and Canada
3
Q
Accessory
A
any supplemental device that isn’t an attachment. e.g. battery puller and stand
4
Q
Acid
A
typically sulfuric. diluted w/ water becomes battery electrolyte
5
Q
Activity
A
of transactions: number of picks in line items, amount shipped in $
6
Q
AGV
A
Automated Guided Vehicle - basic guidance equipment (electro-magnetic OR optical). Follows prescribed guide path. vehicle programming, stop selection, blocking, and other special functions
7
Q
Ambient Temperature
A
the temperature of the surrounding cooling medium (gas or liquid). Typically room or air temp.
8
Q
ampere (A or amp)
A
unit of electrical current equal to the amount of electricity required to deposit .07060 grams of silver / minute. 1 ampere = current forced through resistance of one OHM by a pressure of one volt
9
Q
ITSDF
A
Industrial Truck Standards Development
10
Q
ANSI
A
the American Institute
11
Q
ANSI / ITSDF B56.1
A
safety standard for low-lift and high-lift trucks.
safety requirements regarding the design, operation, and maintenance of forklifts.
12
Q
Attachment
A
a device other than forks or load backrest on the elevating mechanism of a truck used for handling a load.
E.G fork extensions, clamps, rotating devices, side shifters, load stabilizers, rams, and booms
13
Q
Automated Warehouse System (AWS)
A
a guidance system capable of automatically routing storage and retrieval vehicles to any position at any bin or rack located in an Automated Warehouse
14
Q
Automatic Vehicle Control (AVC)
A
a micro processor system to control the travel, vertical and horizontal movements of the vehicle
15
Q
auxiliary controls
A
hydraulic controls that work in conjunction with the aux pump motor
E.g reach, tilt, sideshift
16
Q
auxiliary motor
A
the electric motor that drives the auxiliary pump. Supplies oil to the power steering, reach, and …
17
Q
bar code
A
machine read-able symbols. Black lines and white spaces.
most common Code 39 or UPC (universal pricing code)
Done via a wedge device that plugs between the keyboard and the CPU
18
Q
baselegs
A
structural member of a high-lift truck containing load wheels that extend in front of the mast from both sides. Also referred to as outriggers.
19
Q
baseleg opening
A
BLO
distance between the inside of the baselegs. measured at the narrowest point.
20
Q
Baseleg overall width
A
OAW
the distance measured across the widest part of the outside of the baselegs
21
Q
battery compartment
A
BC
the pace in which the battery is housed and secured
22
Q
Battery connector
A
the space in which the battery is housed and secured
23
Q
battery roller
A
rollers located in bottom of BC and battery stands to facilitate easy battery installation and removal
24
Q
bi-directional
A
the term given to a vehicle which is equipped for forward and reverse travel
25
BSOC and BDI
battery state of charge
26
capacity
trucks load capacity at a specified load center
stated in lbs at a specific fork height
27
carriage
a support structure for forks or attachments.
Generally roller mounted.
travels vertically within mast of truck
28
carton clamp
hydraulically operated blade attachment which can be fitted to forklift trucks to enable unit loads of cartons to be handled w/o pallets.
Special think-bladed types also allow order picking by skimming layers of cartons off stacked pallets
29
center of gravity
the point at which the load mass is concentrated
30
charging
process where the battery is returned electrochemically to its max ability to deliver current
31
clamp arms
auxiliary members that are bolted or welded to the clamp arm supports the lifting carriage.
Various types depending on specific loads: bag, drum, carton, paper , roll, tire, etc
32
clear aisle
dimension in a storage aisle
rack --> rack OR load --> load (whichever is smaller)
subtracting any pallet or load overhang
33
clear stacking height
vertical space available for storing a product
34
cold storage conditioning
a prepartory process that allows the truck / carousel to operate like a refrigerator or freezer
35
connectors
molded strips of lead that connect the post over the top of the cover where multiple cells are used
36
controls
the devices (knobs, switches, handles, etc.) used the the operator to control the truck/machine.
primary focus of ergonomic design
37
counterbalanced truck
truck equipped to lift and transport the load in front of the wheels
38
coupler
a mechanical tow hitch
39
cube utilization
ratio of occupied space to total cubic space available
expressed as %
40
current
the time rate of flow of electricity
expressed as amperes
41
cushion tire
solid tire that has a low cross-section profile
indoor use
42
cycle count
periodic review (count) of a portion of the total SKU's stored.
frequency of count determined by value / movement
43
cycle time
the time required to complete a unit of work.
travel time + load storage or retrieval
44
cycle, battery
the term used for one discharge and one charge of a cell or battery
45
Cycle life, battery
refers to the number of times a batter can be charged and discharged before it is no longer able to to the required work.
46
deadman brake
a brake that remains engaged until it is intentionally released by the truck's operator
47
dedicated aisle
an aisle in a warehouse serving only one function. May be for storage or order selection
48
deep discharge
removal of up to 80% of the rated capacity of a cell or battery
49
diagnostic procedure
a tool for the detection and isolation of a malfunction of hardware, or the correct operation of the equipment
50
direct current
DC
where the positive and negative polarity remains in the same relative position (does not reverse)
characteristic of current carried by batteries.
51
discharge
conversion of the chemical energy of a storage battery into electrical energy by connecting a load (resistance) across the battery terminals
52
displays
used to provide feedback to the operator.
important issues are appropriate placement, control/display, relationship, readability, and use of symbols colors, etc
53
double deep
two pallet deep storage where one storage unit is store behind another
accessible from front only
high volume low variation
54
drawbar pull
MAX: pound of pull force a vehicle is capable of attaining for an abbreviated time period.
(typically 5-6% of load and trailing weight.)
CONTINUOUS: pounds of pull force a vehicle is capable of sustaining for an extrended period of time.
(2-3% of load and trailing weights)
55
drive tire
the tire that furnishes the tractive (traction) force to move the truck
56
EASi
ergonomically advanced system with intellidrive
57
EL. HT
elevated height
58
electrolyte
battery fluid (sulfuric acid)
clear, colorless, odorless, and high-purity
gravity, as purchased, is 1.830.
when dilluting with water add concentrated acid carefully b/c heat is generated.
59
elevated height
EL.HT (fork height)
vertical distance from the floor to the load carrying surface adjacent to the heel of the forks with mast vertical
and in the case of reach trucks with forks extended
60
emergency power disconnect
a plunger activated safety mechanism located within easy reach of the driver
immediately cuts off all current to the power circuit and immobilizes vehicle
61
equalizing charge
an extended charge given to a storage battery to ensure the complete restoration of active materials in all the plates of all the cells
62
ergonomics
study of work organization and the human/machine interface in particular
63
ergonomic design
science devoted to helping the machine operator be more productive by allowing them to operate more efficiently, comfortably, and safely
64
extended "M"
extended turret on a SR truck which accommodates wide pallets
65
extended height
EX. HT
vertical distance from he floor to the top of the uppermost structure of the truck (mast, carriage, load handler) in the max height position
66
FIFO
first in / first out
method of maintaining product rotation by always picking the oldest first.
accounting method valuing inventory or picking inventory from oldest to newest
67
FILO
First in / last out
inventory first stored is last removed
other than single deep / allows minimal selectivity
68
flat plate
general battery term referring to lead plates with flat surfaces
69
floor guidance system
wire embedded in the floor carrying an alternating current, low voltage signal
creates a field around the wire that a vehicle with appropriate sensing device can follow.
No contact between wire and vehicle or sense device
70
force
amount of energy required to perform some operation
important muscles required to perform and operation
71
fork adjustment
min and max overall width to which the carriage forks may be adjusted
72
fork extensions
fork attachment that increases the load-carrying surface of the forks
73
forks
horicontal tine-like projections suspended from carriage for lifting loads
74
forward steer
on those trucks having a steering option, it's the type of steering that results in the truck turning to the right when steering wheel is turned clockwise and operator is facing forks
75
FPM
feet per minute
measure of speed
76
free lift
FL
attainable lift from the extreme lowered position of the carriage before the stated overall collapsed height of the mast is exceeded by any standard part of the forks, mast, or carriage assemblies
77
Free on board
F.O.B
point determining the location that merchandise becomes property of the customer.
freight expenses, damage liability, etc become the responsibility of customer beyond FOB
78
gallons per minute
GPM
unit of liquid flow measurement
79
gassing
discharge of relatively low levels of hydrogen gas from one or more of the battery electrodes during charging process
80
Gradability
the % of grade that a truck can ascend or descend
81
grade
measure of the rate of ascent of a ramp numerically equal to the vertical rise divided by the horizontal by 100 and stated in %
82
grade clearence %
max slope whose crest can be negotiated due to the structural limitations imposed by the under clearance and wheelbase of a truck
83
guidepath
path of wire in the floor that wire guided vehicles track
84
head length
dimension from the rear bumper of the truck to the vertical face of the fork carriage
85
head length
dimension from the rear bumper of the truck to the vertical face of the fork carriage
86
hydrometer
device used to measure density or specific gravity of the sulfuric acid water electrolyte solution
87
industrial battery
general term used to differentiate between batteries for heavy-duty industrial application and those for automotive
88
Starting-lighting-ignition
SLI
type of battery
designed to power the electrical systems in a vehicle
89
industrial truck association
ITA
organization of industrial truck manufacturers and suppliers that formalizes and publishes industry statistics
also addresses issues such as safe truck use
90
intellidrive
advances state of the art microprocessor based control system by the Raymond Corp that enhances truck performance, productivity, and reliability
91
intelliguide
wire guidance system by Raymond Corp
92
intellispeed
system that automatically regulates the max allowable travel speed at which the truck can operate given the elevated fork height, heading angle, direction of travel and operator speed request.
b/c microprocessor the speed is greater than conventional limit-switch
93
ISO
international organization for standardization
world wide federation of national standards bodies from 100 countries
94
JIT
just in time
controlling incoming merchandise so as to minimize inventory required to support production
95
key, electronic password
allows operation of an EASi truck to be password-protected.
must have mechanical key / password
96
kilowatt
KW
one thousand watts
97
kilowatt hour capacity
KWH
total amount of power that can be drawn from a battery
volts x amps x hours / 1,000
battery KWH rating is a direct measure of how much work the battery is capable of performign
98
lead oxide
any of the finely divided lead chemical used to produce paste for storage batteries
99
length of a fork truck
dimension that is measured in the direction of fork length
length direction for forks and pallets coincide
100
length of load
that dimension of the load measured parallel to the forks
101
LIFO
last in / first out
accounting method of inventory control which results in the most recently received items pulled first.
newest --> oldest
102
lift speed
average velocity in feet per minute when raising the load carriage throughout its operating range
specified for empty and loaded conditions
103
LILO
last in / last out
used in random and forward storage systems
products that don't have a shelf life
last stored is last removed
104
line driver
an oscillator, amplifier, and associated circuitry that supplies the guidance signal to the guide wire in an electro-magnetic wire guided system
105
load backrest
portion of the carriage and forks which supports the load when it is tilted rearward, upward, or elevated
106
load backrest extension
device extending vertically from the fork carriage frame
107
load center, horizontal
LC
horizontal distance from the intersection of the fork face and fork heel (or equivalent load positioning structure) to the center of gravity of the load
108
load center, vertical
the vertical distance from the carrying surface of the fork to the venter of gravity of the load
109
load overhand
the portion of the load which projects beyond the front, back, or sides of the pallet. skid and/or load beam
110
load wheel
pertaining to reach and straddle trucks those wheels that are located in the baselegs
111
lost load center
LLC
the amount of horizontal distance measured from the carriage forward that is lost from the standard 24" load center when an attachment is added
112
low voltage circuit breaker
LVCB
a device that electrically prevents lifting of forks when the battery voltage drops below a predetermined level
113
low-maintenance battery
preferred term for what is commonly referred to as a "maintenance-free battery"
regardless of construction, all batteries require at least a min of maintenance to perform at optimum levels.
"reduced maintenance" describes a newer gen battery
114
lowered height
LH
vertical dimension to the top surface of the forks when the carriage is at its lowest position but not dragging on the floor
115
lowering speed
average velocity in FPM when lowering the load carriage throughout its operating range as specified for empty and loaded conditions
116
maintenance-free batteries
really a misnomer when referring to industrial batteries
somewhat more accurate when referring to automotive SLI batteries
117
mast
the support member that provides a structure to permit vertical movement of the carriage. It is usally constructed out of C-Channel uprights that provide the supporting pathway for the carriage rollers
118
mast elevated height
see EL HT
119
mast, telescoping
see telescoping mast
120
maximum usable compartment
same as max battery dimension that will fit the battery compartment
121
minimum storage aisle width
the min aisle required to operate the proposed equipment
122
motive power batteries
batteries employed primarily to propel or drive a vehicle such as a car, truck, or boat
123
narrow aisle lift truck
an electric lift truck that can operate in aisles smaller than counterbalanced trucks
typically 8-10ft clear
124
nominal free lift
TN
limited fixed free lift.
two stage mast only
125
OACH
overall collapsed height
126
OAL
overall lenght
127
OAW
overall width
128
occupational safety & health admin
OSHA
federal agency which establishes and enforces standard established to maintain a safe and healthy work environment
129
OHG
overhead guard
130
open circuit voltage
the no-load voltage of a cell or battery at full charge. This may vary slightly w/ temp
131
operator compartment
the area within which the operator normally works. This area is a primary focus of ergonomic design
designed to: safe, efficient, and comfortable
132
options
enhancements or additions that may be done or added to Raymond equipment
133
overall collapsed height (OACH)
The maximum vertical dimension from the floor to the extreme top point of the mast with the fork carriage in the fully lowered
position and unloaded.
134
overall length (OAL)
Length of fork truck extremities measured in direction of fork length.
135
overall width (OAW)
Width of fork truck extremities measured in direction of fork width.
136
overcharge
The continued charge of a battery after it has been fully charged. This can damage the battery and severely reduce its service
life; however, present-day automatic charger technology has greatly minimized the chances of overcharging industrial
batteries.
137
overhead guard (OHG)
A framework fitted to a truck over the head of the operator's compartment.
138
pallet
A load supporting structure usually built with wooden front-to-back stringers and top and bottom decks with openings that
allow pick up and transportation by a fork truck. Pallet specifications should be stated as length (stringer) x width.
139
pallet opening
Generally used in conjunction with a rack system. A space where one fully loaded pallet may be stored.
140
pallet overhang
That portion of the pallet which projects beyond the front and rear pallet rack load beams. (See also Load Overhang.)
141
pallet picker simulation
A software program designed to calculate forced productivity comparisons of the Raymond EASi ™ reach truck vs. competitive
reach trucks.
142
pallet truck
Basic unit load handlers, sometimes called "pallet jacks". Can be customized with options such as skid adapters.
143
palletized
A unit load built on a pallet.
144
Pareto’s law
The premise that 20% of the inventory will require 80% of the picking activity as it pertains to materials handling.
145
parking brake
device to prevent the movement of a stationary, unmanned vehicle.
146
platen
An integral part of a Push-Pull attachment. The platen is approximately 1" thick at the heel and has a full taper to the tip
The platen supports loads that are transported on slip-sheets rather than pallets.
There are usually two platens required per attachment each being approximately 15" wide x 48" long.
147
The platen supports loads that are transported on slip-sheets rather than pallets.
That portion of a fork truck that contains batteries, drive wheel(s), lift pump and motor/auxiliary pump and motor.
148
pressure relief valve
A safety device that protects the hydraulic system from excess pressures that might damage components. Most all of these
react automatically. The oil is not lost, but returned to the reservoir.
149
priority valve
A device that ensures a constant supply of oil to the steering system on some trucks. It also regulates the flow to the rest of the
system.
150
proportional plugging
Enables the operator to control slow-down, direction change and acceleration in direct proportion to control handle movement.
151
quick disconnect
See emergency power disconnect.
152
radio frequency (RF)
Wireless communications used to communicate information to/from mobile stations throughout the warehouse. These stations
are often attached to forklift trucks and sometimes hand carried.
153
rail guidance
A mechanical system that maintains the alignment of a fork truck in a storage aisle.
154
ram attachment
An attachment comprised of a cantilever member, extending horizontally forward from the lift truck carriage, used to handle hollow core, cylindrical, or similar loads, such as rugs, coils, pipe, and so on.
155
rated capacity
The ampere hours of discharge that can be removed from a fully charged secondary cell or battery at a specific constant discharge rate, at a specified discharge temperature, and at a given cut-off voltage.
156
Raymond Data®
A software program used by Raymond Dealers to lay out warehouses, simulate vehicle requirements and productivity.
157
Raymond® Leasing
The Raymond Corporation's leasing company.
158
reach truck
Trucks operate in narrow aisles, storing and retrieving pallets in racks. Some are equipped with a pantograph mechanism and can shelve pallets two-deep.
159
Reach Truck Selector Guide (RTSG)
A software program used by Raymond Dealers to select the best Reach-Fork® truck for a particular application.
160
Reach-Fork®
Truck family of The Raymond Corporation, including reach, straddle, and Deep-Reach® truck.
161
retractable tether
A self-rewinding component that attaches the safety belt to the operator's work platform.
162
reverse steer
On those trucks having a steering option, it is the type of steering that results in the truck turning to the right when steering wheel is turned counterclockwise and the operator is facing opposite direction of forks.
163
right angle stacking
Loads, typically stored in racks, stacked by a fork truck at right angles (90o) to the path of travel in a storage aisle.
164
Safety On The Move®
A multi-step training program for each major Raymond® truck product line, with specifics on proper operation and load
handling for that model.
165
SCR
Silicon Controlled Rectifier. A component of a smooth operating, proportional-speed control system. SCR's generally replaced resistor controls beginning in the 1960's.
166
selective racks
Storage rack used to store pallet loads of material.
167
shelf height indicator (SHI)
A vertical light tree used to visually indicate shelf level and display some combination of quantity and slot for order picking.
168
sideloader
A high lift industrial truck able to work in very narrow aisles and equipped to reach forward to pick up or deposit long, heavy loads (such as steel bars) or pallets. Also sometimes used in reference to sidereach vehicles like the Raymond Swing-Reach®.
169
simultaneous functions
Multiple functions occurring at the same time, i.e. travel, lift and reach.
170
single deep
A storage system designed to give maximum selectivity, generally using single deep-type pallet storage racks.
171
skid
A load supporting structure with top deck and front-to-back legs that requires a platform truck for pick-up and transport.
Specifications are stated as Width x Length.
172
SKU
See Stockkeeping Unit
173
slipsheets
Available in three (3) types: corrugated, solid fiber and plastic. These are used in place of pallets and require a push-pull attachment with platens
174
specific gravity
The weight of the sulfuric acid-water electrolyte mixture compared to an equal volume of water alone. Pure water has a specific gravity of 1.000. A battery's specific gravity reading affords an approximate indication of its state-of-charge.
175
staging
The temporary storage of goods while awaiting the next step in the warehousing operation
176
Standard Industrial Classification (SIC)
The classification system developed by the United States Department of Commerce for business activities. There are eleven primary divisions classified by two digit codes. Further divisions occur within the primary categories and can reach up to seven
digits for the most specialized categories of business activity.
177
straddle truck (S)
A high-lift truck with a wide enough BLO to straddle a pallet and engage the load.
178
Swing-Reach® TRUCK (CSR)
A high-lift counterbalanced truck (equipped with a rotatable elevating mechanism) capable of transporting and tiering a load. It is able to traverse the load laterally for storage at right angles to the truck travel path.
179
T
Two-stage mast designator with one fixed stage and one telescoping stage.
180
tactile awareness
The ergonomic concept of designing controls that are different enough in shape and form that touch alone may be used to differentiate one from another.
181
telescoping mast
A multiple mast which permits maximum lifts substantially greater than the OACH. This is accomplished with one stationary member and other members which move vertically with respect to the stationary member and support the fork carriage in its
vertical movement.
182
tether
A component that attaches the safety belt to the operator's work platform.
183
TF
Two-stage mast with full free lift designator
184
three-stage mast
A fork truck mast assembly comprised of (1) stationary mainframe and (2) moving telescopics.
185
throughput
1. The rate at which incoming orders arrive at the warehouse.
2. Rate at which lines represented by cards or as line data are
picked and shipped.
3. Level of workload activity measured in loads per unit of time, normally loads per day or loads per hour.
186
tilt
The function of altering the angle of the forks or the mast of a lift truck, to cradle the load or facilitate its deposit.
187
TN
Two-stage mast with nominal free lift designator.
188
tow tractor
A powered industrial truck designed primarily to draw one or more trailers or other mobile loads.
189
transistor
Regulates current or voltage flow and acts as a switch or gate for electronic signals (See SCR).
190
Transtacker
automated crane like thing
- storing and retrieving full pallets
-VNA
191
TT
Three-stage mast designator with one fixed stage and two telescoping stages.
192
tubular plate
A positive battery plate made from a cast spine and porous tubes which are filled with paste or dry oxide (See also Flat Plate).
193
turning radius (outside)
Half the diameter of the largest circle described by the outermost projection of a truck when driving slowly with the steering
194
two-stage mast
A fork truck mast assembly comprised of (1) stationary main frame and (1) moving telescopic assembly
195
UL rating
See Underwriters Laboratories Inc.® listing.
196
UL rating, Type EE
Electrically powered trucks that have, in addition to all of the requirements for the E and ES units, the electric motors and all
197
UL rating, Type ES
Electrically powered trucks that, in addition to all of the requirements of the E units, are provided with additional safeguards to
198
UL rating, Type E
Electrically powered trucks that have minimal acceptable safeguards against inherent fire hazards.
199
underclearance
The distance, in inches, from floor to the underside of the truck.
200
Underwriters Laboratories listing (UL)
A list of truck models complying with the requirements of Underwriters Laboratories Inc.®, an independent testing agency.
Used by insurance companies to determine the premium rate for insurance coverage for various areas of operation.
201
utilization
A measure of space, usually related by percentage, incorporating labor and equipment.
202
very narrow aisle lift truck (VNA)
Trucks that typically operate in clear aisles of approximately 5 feet.
203
VNA
Very Narrow Aisle model designation.
204
volt
A unit of electromotive force or difference of potential which, when steadily applied to a conductor whose resistance is one ohm, will produce a current of one ampere.
The voltage of a battery is a factor of the number of cells it contains.
Each lead acid cell has two volts. Thus, a six-cell battery has 12 volts and an 18-cell battery has 36 volts.
205
voltage
A measure of battery potential, stated in volts.
206
walkie
A category of (low-lift and high-lift) trucks controlled by a walking operator, more commonly referred to as a pallet truck.
207
Walkie Rider
Same as a Walkie, but equipped for rider-operation as well as pedestrian control. Very popular for ground-level orderpicking off pallets.
208
watt
A unit of power (volts x amps). A battery's total power is measured in watts.
209
watt hour
A measure of energy or work accomplished; (rate of work in watts x time in hours, or ampere hours x the average voltage).
210
wheel base
The dimension between the center line of the axle of the wheels located to the rear of the truck and the center line of the axle
211
wheel loading
The measurement used to determine the effect the truck axle loading has on the floor on which it operates. There are two types of measurement:
1.) Force is the concentrated reaction per tire, in pounds, exerted by wheel on the floor.
2.) P.S.I. is the wheel loading, in pounds, divided by the wheel contact area in square inches.
212
wire guidance
An electromechanical system that controls vehicle steering while tracking an energized guidewire secured in the floor.
213
wire guide
An electronic control system that provides automatic steering of a vehicle while it is being used in a storage aisle.
