WRIGHT QUAD W-1904 User manual

WRIGHT
W-1904
"QUAD"
QUAD Head Side Grinder
Owner's Manual
Wright
Machine
Tool

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
1
Contents
LIMITEDWARRANTY ...........................................................................................................2
GENERAL SAFETY RULES .................................................................................................3
SPECIFICATIONS ................................................................................................................5
OPTIONS..............................................................................................................................6
COMMON REPLACEMENT PARTS.....................................................................................6
PRE SET UP ........................................................................................................................7
MACHINECONTROLS....................................................................................................... 11
LOADINGSAW ...................................................................................................................12
TOOTHGEOMETRY...........................................................................................................14
CONVERSIONCHART .......................................................................................................16
ELECTRICAL SCHEMATIC ................................................................................................17
PARTS LIST ........................................................................................................................21
INDEX ................................................................................................................................51

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
2
LIMITED WARRANTY
This machine is warranted against defects in workmanship and materials under normal use
andproper maintenance, for oneyear after date ofpurchase from WRIGHTMACHINE 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 [phone]
365 Palmer Avenue FAX [phone]
Cottage Grove, Oregon 97424

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
3
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.
Grindingparticlesandthepossibilityofwheel breakage make eye protection necessary. Also
faceordustmaskifoperationisdusty. Use adequate ventilation.
Use ear protection: Ifoperationiscreating excessive noise.
Disconnect power: TomachinewhenNOT in use.
Keep Clear: Ofgrinding wheels andpinchpointswhen machine isrunning.
Don’t over reach: Keep proper footing and balance at all times.
Saws are sharp: Wearappropriate personalprotectiveequipment whenhandlingsawblades.
Mounting of wheels: Should only be done by persons with mechanical aptitude and good
knowledgeofmounting, care,andinspection of grinding wheels. Wheels must be rated for the
RPMof the machine.
Dress properly: Do not wear loose clothing or jewelry. Nonskid foot wear is recommended.
Wearprotective hair covering to containlonghair.
Avoid dangerous environments: Don’t use in wet location. Keep work area well lit. Do not
usethismachineinthepresenceof flammableliquidorgasses.
Keep children away: Donotlet VISITORS contact this machine.
Keep work area clean: Cluttered areas inviteaccidents.
All electrical covers: Mustbein placebeforeapplyingelectricalpower tothismachine. Elec-
trical service must be locked out prior to removing any electrical covers on machine guards.
Accesstoelectricalcomponents must be restricted to trained personnelonlytoavoidpossible
electricalshock.
Voltage greater: Than specified on nameplatecanresultinseriousinjuryto user.
Never stand on this machine: Seriousinjurycouldoccurifthemachinetippedorifthegrind-
ingwheelisaccidently contacted.
Follow safety precautions: Forthewheels,coolantandmaterialbeingground. Thisinforma-
tionisavailableontheSafetyDatasheetforeachoftheseproducts.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
4
SPECIFICATIONS
The W-1904 “QUAD” is designed to Side Grind Band Saws. A Roughing Station sizes
the tooth to approximate dimension using two 5" 11V9 Cup Wheels, at the same time
the Finish Station grinds the second tooth to the exact dimension using two 5" C. B.
N. Grinding Wheels.
STANDARD VOLTAGE: 440 Volt, 3 Phase, 50/60 HZ
OPTIONAL VOLTAGE: As Requested
SHIPPINGWEIGHT: 2,300 lbs
CRATE SIZE: L 83" X W 48" X H 60"
AIRREQUIREMENTS: 2 CFM at 80 psi
STANDARD SAW SIZE: 6" to 16"
OPTIONALSAW SIZE: Down to 2"
SPINDLE MOTORS: (4) 1hp 3450 RPM Motors TEFC

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
5
OPTIONS
TotalizerCounter 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
SliverTooth 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
DRO Readouts:
S G Grinding Wheel (Rough Head) V-45 (2 Req.)
Borazon Grinding Wheel (Finish Head) B-45 (2 Req.)
Coolant Concentrate 5Gal. Cimcool Qualstar
COMMON REPLACEMENT PARTS
Coolant Nozzle W-1294
Feed Finger Assy W-2186-1

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
6
PRE SET UP
COOLANT
Coolant capacity is 7 to 10 gallons. A rust inhibiting grinding coolant MUST be used or
severerustdamagetomachinecanresult. Mixcoolantaccordingtomanufacturer’sinstructions.
Coolantpumpplugs into female receptacleonbackdoorofthe 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
ROUGHING HEAD
V-45 5" X 1-3/4" X 1-1/4" 11V9 2 Required
CupWheel
FINISH HEAD
B-45 5" X 1-3/4" X 1-1/4" Borazon 2Required
CupWheel
GRINDINGWHEELSMUSTBERATEDFOR 5000RPMORTHERPMOFYOUR MACHINE.
NOTE: Powermustbedisconnected tomachinewhenchanging GrindingWheels.
Tochange GrindingWheelsmoveheadtofullopen position. Witha3/16Allenwrench,loosen
wheel retainer bolt located through the 1/2" hole in the belt cover. The wheel retainer bolt is
standardrighthandthread.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
7
CONTROL PANEL
ABCD
E
F
G

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
8
CONTROL PANEL
A. ControlJoySwitch has5positions. Leftforside#2(Manual FinishHeadIn only),rightforside
#1 (Manual Rough In only), down for Automatic #1 (Rough Grind only) up is for Automatic #2
(RoughandFinish Grind only.) Machinemustberunning for these controlstowork.
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. ToothCounter onlycountsin the Automatic#2position.
D. TheLoad Meter monitors the powerrequiredtogrindonthe Finish Head. The Load Meteris
setbyturning the black set knobs. Theknobontheright side of the metercontrolsatwhat load
theforward feed speedisstopped. The knob ontheleft controls atwhatloadthe forwardspeed
startsagain. If the FinishHeadhitsa tooth thatiswiderthan expected, thisloadmeterwill slow
thespeedasnecessary 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.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
9
CONTROL PANEL BACKSIDE

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W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
10
MACHINE CONTROLS
1. DepthofgrindFinishHead.
2. DepthofgrindRoughing Head.
3. GrindspeedFinish Head.
4. GrindspeedRoughing Head.
5. Controlconsole.
6. In-Feedknobs (4).
7. BandSaw hold downs (2).
SETTING INDEX PITCH
To set IndexToothPitch,placeSwitch (G) to Run. HoldIndexJoySwitch (B) to theright. Index
willmove to position (X). Add 7/8" to thetooth spacing of the band youaregrinding and adjust
bolt(Y)untilgap(Z)isatthedimension.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
11
LOADING SAW
1. Turn Switch (G) to Open. Move Saw carrier Down by moving Switch (B) to Saw Down.
2. Place saw in carrier track. Move Switch (B) to Saw Up. As saw is traveling up through the
ClampJaws, make certain that the Index Fingers are over a gullet. Otherwisethe fingers and
saw tooth may be damaged.
HANDS MUST BE KEPT CLEAR OF PINCH POINTS DURING THIS OPERATION
3. The band saw is in the proper position when the tooth is 1/8" above the Index Finger.
NOTE: The more accurate the height is set, less variation in Kerf will be experi-
enced. If the tooth is placed higher a wider Kerf will occur. If lower, a narrower Kerf
will occur.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
12
LOADING SAW
SET UP (CONTINUED)
4. TightenBandSawHoldDownateach endoftheSawClamp Bar. If tootighttheindexwillnot
beabletoslideback, and if too loose the band saw will lift up whenindexing.
5. Aftermaking sure the Index Finger is in the gullet, turn Switch (G) to Run. This will close the
ClampJaws. MoveJoySwitch(B)totheleftuntilatoothpassestheIndexFinger. ThenallowJoy
Switch(B)toreturntocenterposition.
6. Atthis time asawtooth should beagainsttheIndex Fingers. Iftheindexstroke isinsufficient,
adjustas shownon page8.
7. SetToothCounter (C) onthenumberofteeth to be ground.
8. PlaceJoySwitch (A) in center position, pull Start button.
9. Aftercoolantflowisontip,placeJoySwitch(A) into Automatic #1.
10. TheRoughingHeadwilltraveldownand grindatooth. Setspeedandstrokeasnecessary.
11. AdjustIn-Feedknobsas necessaryontheRoughing Headtoleave.005 to.007perside for
FinishGrind.
12. As the machine cycles the rough ground teeth to the left and the first rough ground tooth
reaches the Index Finger, shift Joy Switch (A) toAutomatic #2. This will start the Finish Head
cycling.
13. Adjust In-Feed knobs as necessary to obtain finish kerf width. Set speed and stroke as
necessary.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
13
TOOTH GEOMETRY
The W-1904 is set at what we considerAVERAGE tooth angles when it leaves
our factory.
FINISH HEAD
30 Degree Hook - 8 Degree Back 3 Degree Tangential 3 Degree Radial
ROUGHING HEAD
30 Degree Hook 0 Degree Tangental 1 Degree Radial
NOTE: The Roughing Head must be set on 0 degree tangental.
If different angles are desired, adjust as follows.
TANGENTAL
RADIAL

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
14
TOOTH GEOMETRY (CONTINUED)
RADIAL ANGLE
Loosen Radial Lock Bolts, move In-Feed handle up or down as necessary to
set desired radial angle. Radial scale reads in degrees.
TANGENTAL ANGLE
Loosen Tangental Lock Bolts and move Spindle Housing as necessary to set
desired tangental angle. Tangental scale reads in degrees.

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
15
CONVERSION CHART
DEGREES OF ANGLE CONVERTED TO DROP OFF IN THOUSANDTHS X DISTANCE.
To convert degrees to thousandths, select degrees required on line (A). Example:
3.5 degrees. On line (B) select length of measurement. Example: .375 for a 3/8 tip.
Where 3.5 degrees and .375 intersect is drop off in thousandths of an inch.
Line (A) .5 11.5 22.5 33.5 44.5 55.5 6
.125 12345678910 11 12
.250 247911 13 15 18 20 22 24 26
.312 35811 14 16 19 22 25 27 30 33
.375 3710 13 16 20 23 26 30 33 36 39
.437 4811 15 19 23 27 30 34 38 42 46
.500 4913 17 22 26 31 35 39 44 48 52
Line (B)
TANGENTAL ANGLE
FRONT TO BACK
RADIAL ANGLE
TOP TO BOTTOM

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
16
ELECTRICAL SCHEMATIC

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
17
ELECTRICAL SCHEMATIC

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
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ELECTRICAL SCHEMATIC

RIGHT ACHINE
W-1904 QUAD DUAL SIDE GRINDER
Revised 10-30-98
19
NOTE: USE SIDE DIAL INDICATOR WITH CLAMP JAWS
CLOSED.
THIS WILL INSURE PROPER MEASUREMENT.