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Grinding Wheel Selection Chart

To obtain an accurate, finished surface the proper grinding wheel must be used.

Wheel Specification

Material to be ground

Hardness

Under 8”

Under 14”

Under HRC 25

WA
A 46K

Carbon Steel

Steel Plate
Carbon Steel
Carbon Steel Pipe
Forging Carbon Steel
Cast Carbon Steel

Above HRC 25

WA
A 46J

Nickel Chrome Steel
Nickel Chrome
Molybdenum Alloy Steel
Chromium Steel

Under HRC 55

WA 46J

Alloy Steel

Chrome Molybdenum Steel
High Carbon Alloy Steel
Alloy Cast Steel
Tool Carbon Steel

Above HRC 55

WA 46I

WA 46H

High Speed Steel

Under HRC 60

WA 46I

WA 46H

Tool Steel

Alloy Tool Steel

Above HRC 60

WA 46H

WA 46G

Stainless Steel

WA 46I

WA 46H

Stainless
Steel

Anti-Heat Steel

WA 36J

WA 30J

Gray Cast Iron

C 46J

C 46I

Special Cast Iron

GC 46I

GC 46H

Malleable Cast Iron

WA 46K

WA 46J

Cast Iron

Forging Cast Iron

Brass

C 30J

C 30I

Bronze

A 46K

A 46J

Aluminum Alloy

C 30J

C 30I

Nonferrous
Metal

Cemented Carbide

GC 60 ~ 100HI
Diamond Wheel

KEY:

Abrasives
A = Regular Aluminum Oxide
WA = White Aluminimum Oxide
C = Regular Silicon Carbide
GC = Green Silicon Carbide

Grit Sizes
30, 36, 46

Hardness
A (softest) through Z (hardest)

Содержание JPSG-618M1

Страница 1: ... and Parts Manual 6 x18 Precision Manual Surface Grinder Model JPSG 618M1 WMH TOOL GROUP 2420 Vantage Drive Elgin Illinois 60123 Part No M 414519 Ph 800 274 6848 Revision A 4 05 www wmhtoolgroup com Copyright WMH Tool Group ...

Страница 2: ...ations outside our facilities or to a lack of maintenance WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE BEGINNING FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO...

Страница 3: ... Volt 15 Adjustments 16 Timing Belt 16 Operating Controls 16 Operation 16 Longitudinal Movement of Table 16 Crossfeed Movement of Table 16 Coolant System 17 Auto Lubrication System 17 Grinding Wheel Selection Chart 18 Troubleshooting 19 Replacement Parts 19 Parts List Spindle Assembly 20 Spindle Assembly 21 Parts List Column Assembly 22 Column Assembly 26 Parts List Saddle and Base Assembly 22 Sad...

Страница 4: ...silica from bricks cement and other masonry products Arsenic and chromium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 10 Do not ...

Страница 5: ...nded accessories improper accessories may be hazardous 25 Make sure the work piece is secured before grinding operations 26 Turn off the machine before cleaning Use a brush or compressed air to remove chips or debris do not use your hands 27 Do not stand on the machine Serious injury could occur if the machine tips over 28 Never leave the machine running unattended Turn the power off and do not le...

Страница 6: ...tock Number 414519 Table Size L x W in 6 x 18 Grinding Capacity L x W in 9 x 7 T Slot in 9 16 Maximum Longtitudinal Manual Table Travel in 20 Maximum Cross Manual Table Travel in 7 3 4 Cross Handwheel Graduation in 0 0005 Cross per Handwheel Revolution in 0 2 Maximum Spindle Centerline to Table in 18 Vertical Handwheel Graduation in 0 0001 Vertical per Handwheel Revolution in 0 05 Maximum Wheel Di...

Страница 7: ...7 Features of the JPSG 618M1 ...

Страница 8: ...8 Dimensions and Layout ...

Страница 9: ...nts of the Shipping Container 1 Surface Grinder 1 Coolant Tank with two hoses inside 1 Balance Stand 1 Splash Guard with 3 Sectional Pieces 1 Table 2 Bearing Strips 1 Tool Box containing see photo below 3 Leveling Blocks 3 Hex Cap Screws with Nuts 1 Hex Wrench Set 9 pcs 1 Adjustable Wrench 1 Cross Point Screwdriver 1 Flat Head Screwdriver 1 Dressing Diamond 1 Offset Diamond Holder 1 Can Touch Up P...

Страница 10: ...e to be lifted See specifications Attach the straps to the lifting bolts See Figure 1 Keep people a safe distance away from the Surface Grinder while it is being moved 6 The Surface Grinder must be on a solid level surface If the Surface Grinder is located next to another machine or wall you must leave minimum clearance of 2 feet for maintenance and operation Also take into consideration the size ...

Страница 11: ...tate the longitudinal handwheel to move the fixed plate as far to the left as it will go Attach the table to the fixed plate with the socket head cap screw and washer See Figure 4 NOTE Be careful not to pull or pinch the belt 7 Move the fixed plate as far to the right as it will go Attach the table to the fixed plate with the socket head cap screw and washer See Figure 4 NOTE Be careful not to pul...

Страница 12: ...ctrical connections must be made by a qualified electrician in compliance with all relevant codes 5 Run the power cable coming from the coolant pump through the electrical cabinet Match up wires U2 V2 W2 and Ground wire to the terminal strip Consult the wiring diagrams inside the cover of the coolant pump and electrical cabinet Do not start the coolant pump until coolant has been added 6 The coola...

Страница 13: ...n optional accessories The diamond dresser seat provided with this machine must be used with a magnetic chuck or an overhead dresser system These last items are optional accessories and can be purchased through your JET dealer 1 Set the diamond in the overhead dresser or in the seat on the magnetic chuck The collar of the dresser is about 5 The collar should be turned a small degree to keep the cu...

Страница 14: ...r S 11 Insert two balancing weights K on the lighter side If the wheel is still out of balance adjust K for balance See Figure 11 12 After balancing do a final dressing of the grinding wheel Grounding Instructions Electrical connections must be made by a qualified electrician in compliance with all relevant codes This machine must be properly grounded to help prevent electrical shock and possible ...

Страница 15: ...and Saw directly to a control panel If you are connecting a plug use a proper UL listed 3 pole 4 wire grounding plug suitable for 230 volt operation If the Band Saw is to be hard wired to a panel make sure a disconnect is available for the operator During hard wiring of the Band Saw make sure the fuses have been removed or the breakers have been tripped in the circuit to which the Band Saw will be...

Страница 16: ...Controls Figure 14 The emergency stop button remains engaged after being pushed to re start the machine rotate the stop button until it pops back out NOTE The machine will not start if the electrical cabinet is open Operation Longitudinal Movement of Table 1 Loosen the socket head cap screws in the limit blocks A Figure 15 and slide the limit blocks to the desired position Retighten the socket hea...

Страница 17: ...arms thoroughly Periodically check the coolant pump to make sure all connections are tight Auto Lubrication System The auto lubrication system lubricates the table slideways elevating leadscrew and crossfeed leadscrew The system operates whenever the spindle is turning Open the upper rear panel and check the oil level it should reach halfway in the reservoir Add Mobil Vactra Oil No 2 to the reserv...

Страница 18: ...gh Carbon Alloy Steel Alloy Cast Steel Tool Carbon Steel Above HRC 55 WA 46I WA 46H High Speed Steel Under HRC 60 WA 46I WA 46H Tool Steel Alloy Tool Steel Above HRC 60 WA 46H WA 46G Stainless Steel WA 46I WA 46H Stainless Steel Anti Heat Steel WA 36J WA 30J Gray Cast Iron C 46J C 46I Special Cast Iron GC 46I GC 46H Malleable Cast Iron WA 46K WA 46J Cast Iron Forging Cast Iron Brass C 30J C 30I Br...

Страница 19: ...crossfeed speed Improper heat treatment Perform heat treatment again Burning spots and cracks Unsuitable grinding wheel Dress the wheel finely and frequently Use a softer and rougher wheel Poor grinding ability wheel clogs and workpiece shows burns Wheel is too hard Increase table and crossfeed speeds Reduce the wheel diameter or width Use a sharp diamond for dressing Use a rougher wheel Wheel dul...

Страница 20: ...el Cover 1 14 618M1 0114 Lock Screw 1 15 SG1085 Wheel Guard Door 1 16 618M1 0116 Retaining Ring E8 1 17 SG1084 Wheel Guard 1 18 618M 149 Cross Head Screw M5x8 2 19 SG1086 Cover 1 A5 618M1 01A5 Complete Spindle Assembly 1 20 TS 1522011 Socket Set Screw M5x5 1 21 SG1078 Setting Nut 1 22 SG1077 Collar 1 23 SG1076 Pressing Plate 1 24 618M 154 Ball Bearing NN3006K 1 25 SG1075 Spacing Ring 1 26 SG1074 S...

Страница 21: ...21 Spindle Assembly ...

Страница 22: ... 1502031 Socket Head Cap Screw M5x16 1 18 618M1 0318 Washer 1 19 618M1 0319 Locking Nut 1 20 618M1 0320 Keyed Screw 1 21 618M1 0321 Handle 1 22 618M1 0322 Handwheel 1 23 TS 1550031 Flat Washer M4 2 24 TS 1501031 Socket Head Cap Screw M4x6 2 C3 618M1 03C3 Cross Feed Dial Set 1 25 618M1 0325 Scale Ring Inch Style 1 26 618M1 0326 Indication Plate 1 27 TS 1502021 Socket Head Cap Screw M5x10 1 C4 618M1...

Страница 23: ...23 Saddle and Base Assembly ...

Страница 24: ...achine Screw M5x8 1 24 SG1110 Cover 1 25 TS 2285102 Phillips Pan Head Machine Screw M5X8 2 B4 618M1 02B4 Rear Cover Sheet Metal Assembly 1 26 SG1114 Plate Seat 1 27 SG1112 Telescopic Cover 2 28 SG1115 Plate Seat 1 29 TS 2284102 Cross Head Screw M4x10 8 30 TS 2284061 Phillips Flat Head Machine Screw M4x6 4 B5 618M1 02B5 Vertical Leadscrew Assembly 1 31 618M1 0231 Key 1 32 618M1 0232 Elevating Leads...

Страница 25: ...ch Style 1 55 618M1 0255 Indicator 1 56 TS 2284102 Phillips Pan Head Machine Screw M4x10 2 B8 618M1 02B8 Cross Feed Handwheel Set 1 57 618M1 0257 Handle 1 58 618M1 0258 Handwheel 1 59 TS 1523031 Socket Set Screw M6x10 1 60 TS 1550021 Flat Washer M4 3 61 TS 1501021 Socket Head Cap Screw M4x8 3 62 618M1 0262 Setting Handle 1 63 618M1 0263 Keyed Screw 1 ...

Страница 26: ...26 Column Assembly ...

Страница 27: ...Z 1 23 618M1 0423 Transmit Shaft Sleeve 2 24 618M1 0424 Pinion Gear 1 25 618M1 0425 Setting Block 1 26 TS 1502041 Socket Head Cap Screw M5X16 1 27 618M1 0427 Lock Screw 1 28 TS 1523021 Socket Set Screw M6x8 2 D3 618M1 04D3 Longitudinal Transmission Assy 1 29 618M1 0429 Fixed Plate 1 30 TS 1502041 Socket Head Cap Screw M5x16 4 31 618M1 0431 Fixed Seat 1 32 618M1 0432 Striking Block 2 33 TS 1550041 ...

Страница 28: ...457 Setting Block 1 58 618M1 0458 Striking Plate 2 D5 618M1 04D5 Bearing Cover Plate 1 59 SG1128 Table Slide Way front 1 60 SG1127 Table Slide Way rear 1 61 TS 1503031 Socket Head Cap Screw M6x14 18 62 TS 1292031 Hex Cap Screw M6x14 20 63 618M1 0463 Saddle Slide Way 1 64 618M 96 Steel Ball D5 8 44 65 618M1 0465 Steel Ball Protecting Plate 2 66 618M1 0466 Saddle Slide Way 1 67 618M1 0467 End Plate ...

Страница 29: ...29 Table Assembly ...

Страница 30: ...Set 1 9 SG1012 Leveling Screw 3 10 618M 202 Hex Nut M22 3 11 SG1013 Leveling Plate 3 E4 618M1 05E4 Lubrication System 1 12 618M1 0512 Lubrication Oil Plate 1 13 TS 2284101 Phillips Pan Head Machine Screw M4x8 2 14 618M 190 Oil Distributor B3 D6 1 15 TS 1501041 Socket Head Cap Screw M4x12 2 16 618M 188 Pump YEM 250IL 1 17 SG1124 Switch Bracket 1 18 TS 2286102 Phillips Pan Head Machine Screw M6x8 2 ...

Страница 31: ...31 Base Assembly ...

Страница 32: ...c Chuck Set Optional 1 11 618M1 0611 T Nut 2 12 TS 1550081 Flat Washer M10 2 13 TS 1540071 Hex Nut M10 2 14 618M1 0614 Magnetic Chuck 6 x18 1 15 618M1 0615 Chuck Fixed Block 2 F4 618M1 06F4 Switch Assembly 1 16 618M1 0616 Control Box 1 17 TS 1504041 Socket Head Cap Screw M8x14 2 18 TS 2284082 Phillips Pan Head Machine Screw M4x8 2 19 618M1 0619 Push Button Switch 3P 1 20 618M1 0620 Switch Bracket ...

Страница 33: ...33 Guard and Electrical Assembly ...

Страница 34: ...tor S21 0003 1 9 618M1 079 Coolant Hose Connector 1 2 x1 2 E 1 10 618M1 0710 Hose Clamp 2 1 2 2 11 618M 227 Inlet Hose 2 x48 L 1 G2 618M1 07G2 Coolant Nozzle Assembly 1 12 618M1 0712 Connector 3 8 x1 2 E 1 13 618M1 0713 Valve 3 8 1 14 618M1 0714 Connector 3 8 x2 1 15 618M1 0715 Nozzle Seat 1 16 TS 1502071 Socket Head Cap Screw M5x30 2 17 618M1 0717 Nozzle 3 8 x6 L 1 18 618M1 0718 Coolant Hose 1 2 ...

Страница 35: ...35 Coolant System ...

Страница 36: ...n Size Qty T1 618M1 08T1 Transformer 1 K1M 618M1 08K1M Magnetic Contactor 1 OL 618M1 08OL Overload 1 F1 618M1 08F1 Low Voltage Fuse 1 F2 618M1 08F2 Low Voltage Fuse 1 F3 618M1 08F3 Low Voltage Fuse 1 F4 618M1 08F4 Low Voltage Fuse 1 DS 618M1 08DS Door Switch 1 ...

Страница 37: ...37 Electrical Panel U1 F2 140 10 0 K1M R1 DOOR SW R9 R1 V1 F3 0 2 R2 S 12 3 2 1 W1 F4 230 10 T1 9 R4 24 3 OFF 10 5 R3 0 R T 9 380 R T1 T T1 110 F1 ON OL1 R3 T1 R5 460 415 R4 R5 ...

Страница 38: ...38 Electrical Connections F2 110V 1 3 10 R2 K1M 9 CHUCK POWER 2 S SP IN DE R4 SPINDEL 24V S R 3 OL 1 12V T1 K1M R3 LU BR IC 140V T F1 M1 R1 COOLANT 0V F3 K1M WO RK LA MP F4 5 S 3 K1M OL1 M2 ...

Страница 39: ...39 ...

Страница 40: ...40 WMH Tool Group 2420 Vantage Drive Elgin Illinois 60123 Phone 800 274 6848 www wmhtoolgroup com ...

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