WM W-1902-P Manuel utilisateur
DUAL SIDE GRINDER
MADE IN THE U.S.A.
6-27-05
W-1902-P
OPERATORS MANUAL
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
1
LIMITED WARRANTY
This machine is warranted against defects in workmanship and materials under normal use
and proper maintenance, for one year after date of purchase from WRIGHT MACHINE TOOL
CO. Any part which is determined to be defective in material or workmanship and returned
to WRIGHT MACHINE TOOL CO., shipping costs prepaid will be repaired or replaced, at
WRIGHT MACHINE TOOL CO. option.
WRIGHT MACHINE TOOL CO., INC PHONE (541) 942-3712
365 Palmer Avenue FAX (541) 942-0730
Cottage Grove, Oregon 97424
Contents
LIMITED WARRANTY........................................................................................................... 1
GENERAL SAFETY RULES.................................................................................................. 2
SPECIFICATIONS................................................................................................................. 4
OPTIONS .............................................................................................................................. 5
MAINTENANCE.....................................................................................................................6
PRE SET UP ......................................................................................................................... 7
CONTROL PANEL................................................................................................................. 8
MACHINE CONTROLS........................................................................................................11
LOADING SAW ................................................................................................................... 12
TOOTH GEOMETRY........................................................................................................... 14
CONVERSION CHART ....................................................................................................... 15
ELECTRICAL SCHEMATICS .............................................................................................. 16
PARTS LIST ........................................................................................................................ 22
INDEX.................................................................................................................................. 52
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
2
GENERAL SAFETY RULES
Failure to follow the safety rules and other basic safety precautions, may result in seri-
ous injury.
Always use eye protection: When operating this machine, eye protection should be worn.
Grinding particles and the possibility of wheel breakage make eye protection necessary. Also
face or dust mask if operation is dusty. Use adequate ventilation.
Use ear protection: If operation is creating excessive noise.
Disconnect power: To machine when NOT in use.
Keep Clear: Of grinding wheels and pinch points when machine is running.
Don’t over reach: Keep proper footing and balance at all times.
Saws are sharp: Wear appropriate personal protective equipment when handling saw
blades.
Mounting of wheels: Should only be done by persons with mechanical aptitude and good
knowledge of mounting, care, and inspection of grinding wheels. Wheels must be rated for
the RPM of the machine.
Dress properly: Do not wear loose clothing or jewelry. Non-skid foot wear is recommended.
Wear protective hair covering to contain long hair.
Avoid dangerous environments: Don’t use in wet location. Keep work area well lit. Do not
use this machine in the presence of flammable liquid or gasses.
Keep children away: Do not let VISITORS contact this machine.
Keep work area clean: Cluttered areas invite accidents.
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
3
GENERAL SAFETY RULES
(CONTINUED)
All electrical covers: Must be in place before applying electrical power to this machine.
Electrical service must be locked out prior to removing any electrical covers onr machine
guards. Access to electrical components must be restricted to trained personnel only to avoid
possible electrical shock.
Voltage greater: Than specified on name plate can result in serious injury to user.
Never stand on this machine: Serious injury could occur if the machine tipped or if the
grinding wheel is accidently contacted.
Follow safety precautions: For the wheels, coolant and material being ground. This infor-
mation is available on the Safety Data sheet for each of these products.
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
4
SPECIFICATIONS
The W-1902 is designed to finish Grind the sides of band saws.
STANDARD VOLTAGE: 440 Volt, 3 Phase, 50/60 HZ
OPTIONAL VOLTAGE: As Requested
SHIPPING WEIGHT: 2,300 lbs
CRATE SIZE: L 83" X W 48" X H 60"
AIR REQUIREMENTS: 2 CFM at 80 psi
STANDARD SAW SIZE: 6" to 16"
OPTIONAL SAW SIZE: Down to 2"
SPINDLE MOTORS: (2) 1hp 3450 RPM Motors TEFC
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
5
OPTIONS
Totalizer Counter W-70
Double Cuts Saw Carrier for Machine: W-1550
Short Band Saw Support Assembly: W-2083
Narrow Band Saw Carrier 2" to 6": W-2190
Sliver Tooth Saw Carrier (4 Required): W-2231-1
Stands: W-2259 Back Feed
W-2260 Back Stands
W-2262 Guide Stands
Double Cuts Saw Carrier for Back Stands: W-2265
COMMON REPLACEMENT PARTS
Coolant Nozzle W-1294
Feed Finger Assy W-2186-1
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
6
The useful life of this machine can be dramatically extended if the following
rules of operation are followed.
1. Clean the machine regularly.
2. A good rust inhibiting coolant must be used in the correct ratio. Too weak a mix
will cause rust problems and too thick will damage the paint and
load the Diamond wheels.
3. Do not clean the machine with high pressure air or water. This can blow grit into the
internal parts of the machine and cause rusting problems which is not covered by
warranty.
MAINTENANCE
DAILY 1. Check coolant level and filter.
2. Clean exterior of machine.
3. Check hydraulic oil level. (periphery grinder)
WEEKLY 1. Check coolant tank for carbide buildup.
2. Replace coolant filters.
MONTHLY 1. Grease index linear bearing.
or 100,000 CYCLES 2. Inspect feed finger for wear.
3. Inspect clamp jaws for wear.
4. Inspect roller hold down bearings.
EVERY 6 MONTHS 1. Clean motor fan.
or 500,000 CYCLES 2. Remove stainless splash guards and clean completely.
3. Inspect index system linear slide bearing assembly for
excessive clearance.
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
7
PRE SET UP
COOLANT
Coolant capacity is 7 to 10 gallons. A rust inhibiting grinding coolant MUST be used or severe
rust damage to machine can result. Mix coolant according to manufacturer’s instructions.
Coolant pump plugs into female receptacle on back door of the machine.
RUST DAMAGE IS NOT COVERED BY THE WARRANTY
MOUNTING GRINDING WHEELS
All grinding wheels must be rated for the RPM of this machine. Wheels exposed
to higher than rated RPM are dangerous.
Mounting of the grinding wheel should only be done by persons with mechanical aptitude
and good knowledge of mounting, care, and inspection of grinding wheels.
STYLE OF GRINDING WHEELS
FINISHING WHEELS
B-35-6 6" X 1/8"X 1-1/4" 2 Required
GRINDING WHEELS MUST BE RATED FOR 5000 RPM OR THE RPM OF YOUR
MACHINE.
NOTE: Power must be disconnected to machine when changing Grinding Wheels.
To change Grinding Wheels remove wheel guards, use 1/8" allen wrench to remove screws
that hold the wheel nut in place.
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
8
CONTROL PANEL
A
BCD
E
F
G
W-735-TW
W-735-TW W-195
W-1427-1
W-194
W-1011
W-1004
W-1902-P QUAD DUAL SIDE GRINDER
Revised MAR. 2015
9
CONTROL PANEL
A. Control Joy Switch has 5 positions. Left for side #2 (Manual Finish Head In only), right for
side #1 (Manual Rough In only), down for Automatic #1 (Rough Grind only) up is for Automatic
#2 (Rough and Finish Grind only.) Machine must be running for these controls to work.
B. Saw Up / Saw Down only function when saw clamp is open. Index Forward / Reverse
only function when saw clamp is closed and machine is not running.
C. Tooth Counter only counts in the Automatic #2 position.
D. The Load Meter monitors the power required to grind with the periphery Heads. The Load
Meter is set by accessing the SET and the HYS screens.
The meter controls the set point which is a nominal amp draw with no grind load. The hystersis
is what established the amp draw during the grind, which suspends forward grind motion if
the Finish Head hits a tooth that is wider than expecxted, this load meter will slow the speed
as necessary to reduce the chance of wheel or saw damage.
E. Pull to start - Push to stop.
F. Indicator light shows power to machine.
G. Open position - Opens saw clamp jaws. Run position - Closes clamp jaws and allows the
machine to be started. When machine is not in use turn to Off position.
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