User manual 3M GREEN CORPS DEPRESSED CENTER WHEEL, TYPE 27

[. . . ] 3 Coated Abrasive Products Technical Service Bulletin 3MTM Green CorpsTM Depressed Center Wheel, Type 27 3M Abrasive Systems 3M Center, Building 223-6N-01 St. [. . . ] Operators still have the advantage of the Cubitron abrasive grain with added benefits of less vibration, more uniform finish, and reduced operator fatigue. They are available in grades 36, 46, 60, and 80 with 5/8"-11 hub or 7/8" center hole. General Purpose - (A/O) Depressed Center Wheels: These Type 27 wheels contain grade 24, aluminum oxide mineral with a 5/8"-11 hub or 7/8" center hole. This coarse grade product is good for general metalworking and relatively high stock removal. Note: All of these grinding wheels REQUIRE the use of a guarded tool per ANSI Standard B7. 1. These wheels are NOT to be used as cut-off wheels. 2 Features 3MTM Cubitron Abrasive Grain 1/4" Thick Available with 5/8"-11 Hub or with 7/8" Center Hole Grades: 24 and 36 Diameters: 41/2", 7", and 9" Advantages High Cut Rate High Stock Removal Long Life Quick Changeover Benefits Increased Production Less Changeover Saves Time 3MTM Green CorpsTM Depressed Center Wheels 3MTM Green CorpsTM Flexible Grinding Wheels Cubitron Abrasive Grain 1/8" Thick Several Grades (36, 46, 60, 80) Available with Quick-Change 5/8"-11 Hub or with 7/8" Center Hole Diameters: 41/2", 7" High Cut Rate Smooth Running; Easy to Use Range of Finish Quick Changeover Increased Production Reduces Operator Fatigue Less Steps Required Saves Time 3MTM General Purpose - (A/O) Depressed Center Wheels Aluminum Oxide Mineral 1/4" Thick Grade 24 Mineral Available with Quick-Change Hub Or 7/8" Center Hole Diameters: 41/2", 5", and 7" Less Expensive High Stock Removal Lower Purchase Price Less Changeover Increased Production Saves Time 3 3MTM Green CorpsTM Depressed Center Wheels With 5/8"-11 Hub 24 Grade 36 051111-55960-4 41/2" UPC 051111-55961-1 10 / 60 Min. /Case 10 / 60 051111-55958-1 7" UPC 051111-55959-8 10 / 20 Min. /Case 10 / 20 051111-55956-7 9" UPC 051111-55957-4 10 / 20 Min. /Case 10 / 20 3MTM Green CorpsTM Flexible Grinding Wheels With 7/8" Center Hole Grade 36 46 60 80 4 /2" 051111-50440-6 051111-50442-0 051111-50443-7 051111-50444-4 1 Min. /Case 20 / 200 20 / 200 20 / 200 20 / 200 7" 051111-50445-1 051111-50446-8 051111-50447-5 051111-50448-2 Min. /Case 20 / 100 20 / 100 20 / 100 20 / 100 With 5/8" ­ 11 Hubs Grade 36 46 60 4 /2" 051111-51164-0 051111-51161-9 051111-51160-2 1 Min. /Case 10 / 100 10 / 100 10 / 100 7" 051111-51163-3 051111-51162-6 051111-51159-6 Min. /Case 10 / 40 10 / 40 10 / 40 3MTM General Purpose - (A/O) Depressed Center Wheels With 7/8" Center Hole 051131-01970 4 /2" 1 25 Case 051131-01972 5" 25 Case 051131-01974 7" 25 Case With 5/8" ­ 11 Hubs 4 /2" 051131-01971 1 Case 10 5" 051131-01973 Case 10 7" 051131-01975 Case 10 MOS: 4 1/2"=13, 300 RPM 5"=12, 000 RPM 7"=8, 600 RPM 9" = 6, 600 RPM 4 41/2", 5" and 7" Diameter 7" and 9" Diameter Only 5 All T27 Wheels without a center hub require a backup system. 3M recommends the use of the standard T27, metal backup plate, on all depressed wheels 7" and 9" in diameter, with 7/8" center holes (UPC 051144-88769-9); or for 4 1/2", 5" and 7" 3MTM Green CorpsTM Flexible Grinding Wheel, the plastic back-up plate noted above may be used. Tools with arbors other than 5/8"-11 may be adapted using the 3M shaft adaptor #9 to convert to 5/8"11: for M10-1. 25 INT use 048011-22971-3; M10-1. 25 INT use 048011-22972-0; and 3/8"-24 INT use 04811-22970-6. IMPORTANT NOTICE TO PURCHASER Product Use: User is responsible for determining whether the product is fit for a particular purpose and suitable for user's application. Warranty and Limited Remedy: THE FOLLOWING WARRANTIES ARE MADE IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND ANY IMPLIED WARRANTY ARISING OUT OF A COURSE OF DEALING, CUSTOM, OR USAGE OF TRADE. 3M warrants that these products will be free from defects in materials and manufacture. [. . . ] Safety Information: Always use appropriate protective glasses, face shields and body protection. [. . . ]