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METHOD OF PRODUCT IDENTIFICATION GRAIN TYPE GRIT SIZE GRIT COMBINATION HARDNESS STRUCTURE TYPE OF BOND BOND CODING 1A 46 3 L 5 V T4 1 2 3 4 5 6 7 Abrasive Type Grit Size Grit Combination Grade Structure Bond System Topline Symbol Aluminum Oxide Brown 1A White 2A Mixed Brown & White 3A Pink 4A Mixed pink & White 6A Silicon Carbide Green 6G Black 5C Mixed Green & Black 6CG Zirconium Aluminum Oxide 72 8 10 12 Ex. Coarse 14 16 20 24 Coarse 30 36 46 Medium 54 60 80 90 Fine 100 120 150 1 3 5 7 Soft Medium Hand E F G H I J K L M N O P Q R S T U 0 1 2 Dense 3 4 5 6 7 8 Open 9... Upto 35 V Vitrified B Resinoid VT1, VT2, VT3, VT4, VT5, VT6, etc., VS145, VS245, VTA VSB, BT, BF SIZE 200 X 13 X 31.75 Diameter X Thickness X Bore
Abrasive Grit Hardness Type Bond 8M 46,60, 80, 100, 120 F, G, H, I, J, K, L, M 1 VT6 Diameter Thickness Bore D (mm) T (mm) B (mm) Speed (rpm) 4 1/4 3/4 100 6 20 8120 6 1/4-1 1 ¼ 150 6-26 31.75 4140 6 1/4, 3/4 1/2 150 6, 20 12.7 4140 7 1/4-1 1 ¼ 180 6-26 31.75 3600 7 3/8 1 ¼ 180 9 31.75 3600 8 1/4-1 1 ¼ 200 6-26 31.75 3600 8 3/8 1 ¼ 200 9 31.75 3600 10 1 2, 3 250 25 50.8, 76.2 2485 10 3/4 3 250 9 76.2 2485 12 1/2-2 3, 5 300 13-50 76.2, 127 2070 12 2 1 ¼ 300 50 31.75 2070 14 1 3, 5 350 25 76.2, 127 1800 14 1/2, 1 1/2, 2 5 350 13, 38, 50 127 1800 Abrasive Grit Hardness Type Bond 6G, 6CG 60, 80, 100, 120 K, L, M 1 VTA Diameter Thickness Bore D (mm) T (mm) B (mm) Speed (rpm) 6 1/2 1 ¼ 150 13 31.75 4140 7 1/2, 1 1 ¼ 180 13, 25 31.75 3600 8 1/2, 1 1 ¼ 200 13, 25 31.75 3600 10 1 1/2 2 250 38 76.2 2485 14 1, 1 1/2 5 350 25, 38 127 1800 Abrasive Grit Hardness Type Bond 5C 60 M 1 VTA 3 1 1/2 75 25 12.7 10825 4 1/2 1/2, ¾ 100 13 12.7, 20 8120 Abrasive Grit Hardness Type Bond 4A 46, 60 H, I, J, K 1 VT3 7 1/2 1 ¼ 180 13 31.75 3600 8 1/2 1 ¼ 200 13 31.75 3600
OFFHAND GRINDING WHEELS Reduce operator fatigue and increase wheel life in one shot. Used in bench, pedestal and portable grinders for stock removal, tool sharpening and smoothening of weld seams. User segments Foundry & fabrication Hand tools Do It Yourself Agri implements General engineering The TOPLINE advantage Special bond system for free cutting reduces operator fatigue Different abrasive grains give the optimal solution for different materials Designed for wheel life and performance TOPLINE Recommendations Material TOPLINE specification Iron/general use 1A 24 R5 VS6 Non-ferrous material 5C 24 S5 VTB Abrasive Grit Hardness Type Bond 6CG 60, 80, 100, 120 K, L, M 1 VTA 6 1/2, 3/41, 1 1/4 150 13, 20 25.4, 31.75 4140 6 1 1, 1 1/4 150 25 25.4, 31.75 4140 7 1 1 180 25 25.4 3500 8 1 1, 1 1/4 200 25 25.4, 31.75 3150 10 1 1 1/4 250 25 31.75 2485 12 2 1 1/4, 1 1/2 300 50 31.75, 38.1 2070
Abrasive Grit Hardness Type Bond 1A 24, 36, 46, 60, 80, 100, 120 P,Q,R,S,T 1 VT1 / VT2 5 1/2 1 125 13 25.4 4965 6 1/2-1 1, 1 1/4 150 13-25 25.4, 31.75 4140 7 3/4 1, 1 1/4 180 20 25.4, 31.75 3500 7 1 1 180 25 25.4 3500 8 1/2-1 1 1/4 180 13-25 31.75 3500 8 1 1 200 25 25.4 3100 10 1, 1 1/2 1 1/4 250 25 31.75 2485 12 1 1, 1 1/4 300 25 25.4, 31.75 2070 12 2 1 1/2, 2 300 50 38.1, 50.4 2070 14 2 1 1/2, 2 350 50 38.1, 50.4 1800 16 1 5/8, 2 2 400 40, 50 50.8 1575 18 1 5/8, 2 1 1/2, 2 450 40, 50 38.1, 50.8 1400 20 3 6 500 75 152.4 1260 Enriching ECHNOLOGY
CYLINDRICAL GRINDING GENERAL PURPOSE Generate perfectly sized parts in a flash Used in O.D. grinding of gear shafts, splined shafts, transmission shafts, valves, plunger pins, eye bolts, bearing races etc. User segments Automotive Bearing industry General engineering Tool and die industry The TOPLINE advantage Increased productivity due to higher stock removal and freer cutting Fine surface finish Reduced rework Reduced loading and dressing frequency TOPLINE Recommendations Material Soft steel, Hardened Steel High speed steel Stainless steel Tungsten carbide General purpose Chilled cast iron, non ferrous material TOPLINE specification 1A 463 L5 VS10 2A 46/54 K5 VS8 5C 363 N5 VSA 6G 60 L5 VSA 1A 463 L5 VS10 5C 60 J5 VSA Abrasive Grit Hardness Type Bond 1A 60 K, L, N 1 VT4 10 1 3 250 25 76.2 2520 12 1, 2 5 300 25, 50 127 2100 14 1, 1 5/8, 2 5 350 25, 40, 50 127 1800 16 1 5/8 5 400 40 127 1575 20 3 1/4 8 500 80 203.2 1260 Abrasive Grit Hardness Type Bond 2A 46, 54, 60 K 1 VT3 12 1, 2 3 300 25, 50 76.2 2100 14 1 5/8 5 350 40 127 1800
Abrasive Grit Hardness Type Bond 3A 46, 60, 80, 100 H, I, J, K 1 VT4 16 1/2 5 400 13 127 1575 16 1 8 400 25 203.2 1575 16 1 1/2, 2, 3 5 400 38, 50, 75 127 1575 18 1/2 5, 8 450 13 127, 203.2 1400 18 1-3 5, 8 450 25-75 127, 203.2 1400 20 1/2, 1 8, 10 500 13, 25 203.2, 254 1260 20 1 1/2 5 500 38 127 1260 20 2 5, 12 500 50 127, 304.8 1260 20 3 8, 10 500 75 203.2, 254 1260 24 1/2, 1-3 12 600 13, 25-75 304.8 1050 30 1-4 12 750 25-100 304.8 840 Abrasive Grit Hardness Type Bond 8M 46 I 7 VT6 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (mm) 18 2 8 Rec 2/S 10 1/2 x 1/2 450 50 203.2 263 x 13 20 2 8 Rec 2/S 11 1/2 x 1/2 500 50 203.2 288 x 13 20 3 8 Rec 2/S 11 1/4 x 1/2 500 75 203.2 281 x 13 20 3 8 Rec 2/S 11 1/4 x 1/2 500 75 203.2 281 x 13 20 3 10 Rec 2/S 12 1/4 x 5/8 500 75 254 306 x 16 20 6 10 Rec Side A 12 1/4 x 2: Side A 306 x 50; Side B 12 1/4 x 1 500 150 254 Side B 306 x 25 Abrasive Grit Hardness Type Bond 1A 463,60,80 K, L, M 1 VT4 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (mm) 12 1 5/8 5 ROS 7 5/8x5/8 300 40 127 ROS 190x15 14 1 5/8 5 ROS 7 5/8x5/8 350 40 127 ROS 190x15 16 1 5/8, 2 5 ROS 7 5/8x5/8 400 40, 50 127 ROS 190x15 18 2 5/8 10 ROS 13x1/2 450 65 254 ROS 325x13 20 2 5/8 10 ROS 13x3/8 500 65 254 ROS 325x10
CRANKSHAFT GRINDING WHEELS Crank up productivity without giving up a micron in surface finish. It is a special high-precision cylindrical grinding application used in the grinding of crankshafts for the automotive OEM and replacement markets. User segments Automotive (OEM and replacement segments) Defense Industrial motors The TOPLINE advantage Micron-perfect surface finish Excellent form retention Reduced dressing frequency and high grinding efficiency results in greater productivity Dual grits to grind shaft surfaces of different hardness TOPLINE Recommendations Material Forged steel soft Forged steel hard Cast iron Nodular iron Regrinding TOPLINE specification 1A 463 N5 VS10 1A 543 I5 VS10 3A 46 I5 VS10 2A 46 L5 VT6 1A 463 L5 VS10 Abrasive Grit Hardness Type Bond 1A 463, 543 K, L, M 1 VS2 14 1/2-7/8 3 355 13-22 76.2 1800 16 3/4-1 3-5 400 20-25 76.2-127 1575 18 1-1 3/4 3-5 450 25-44 76.2-127 1400 20 3/4-1 1/2 3-6 500 19-38 76.2-152.4 1260 22 7/8-1 3/4 6 550 22-44 152.4 1145 23 3/4-1 1/4 6 585 19-32 152.4 1050 24 3/4-1 3/4 8 600 19-44 203.2 1050 26 3/4-1 3/4 8 660 19-45 203.2 955 28 3/4-1 3/4 6-8 710 19-45 152.4-203.2 900 30 3/4-1 3/4 8, 12, 17 3/4 760 19-45 203.2, 304.8, 450.8 840 32 3/4-2 8, 12 810 19-50 203.2, 304.8 780 36 1-2 1/2 12 915 25-65 304.8 690
ROLL GRINDING WHEELS Roll on and on producing accurately dimensioned rolls with a superior surface finish. Used in rolling mills to grind hard work and back up rolls User segments Steel rolling mills General engineering Paper mills The TOPLINE advantage Premium abrasive grains ensuring better cutting action and smoother surface finish Proven bond system for reduced wheel wear Select from a variety of wheels to suit your grinding requirement TOPLINE Recommendations Material Cast iron (roughing) Cast iron (finishing) Hot mill: Chilled & Alloy (roughing) Hot mill: Chilled & Alloy (finishing) Cold mill: Back-up rolls (steel) Paper mill rolls TOPLINE specification 5C 36 J5 BT 5C 80 I5 BT 6G 36 J8 BTX 5C 46 J8 BTX 1A 46 K5 VS10 5C 46 F5 BT Abrasive Grit Hardness Type Bond 5C, 6G, 1A 24, 36, 46, 60, 80 H, I, J, K, L 1 BTX, VS8 30 2 8-12 760 50 203.2-304.8 840 30 3 8-12 760 76 203.2-304.8 840 36 4 8-12 915 100 304.8 700
THREAD AND GEAR GRINDING Unmatched control on stock removal delivering high precision grinding solutions. Used in precision grinding applications on threads and gears requiring high dimensional accuracy. User segments Automotive Cutting tools General engineering The TOPLINE advantage High dimensional accuracy and form holding Fine surface texture Both single and multi-ribbed wheels for substantial metal removal TOPLINE Recommendations Description Gear grinding on conventional machines Gear grinding on CNC machines For 45/60/80 mps TOPLINE specification 4A 46 H8 VSGR 4A 46 H10 VSGR VS11T Abrasive Grit Hardness Type Bond 2A 54, 60, 80, 100, 120 F, G, H 1 VS11 4A 54, 60, 80, 100, 120 F, G, H 1 VS11 Dia. (mm) Thick. (mm) Bore (mm) Speed (rpm) 220 84 76 2800 220 104 76 2800 220 150 76 2800 300 125 160 2100 350 62 160 1800 350 84 160 1800 350 104 160 1800 400 84 160 1575 400 104 160 1575
CENTRELESS GRINDING WHEELS Unmatched versatility. High performance grinding solutions for a range of components, materials and sizes. Commonly used in the grinding of bearings, bars, taps drills and a range of auto parts. User segments Automotive: Engine valves, gear shafts, fuel injection, gudgeon pins, pistons etc. Bearings: Taper rollers, bearing races and tracks Bar manufacturing: Grinding stainless steel bright bars etc. Cutting tools: Taps and drills The TOPLINE advantage Resinoid and vitrified bonds for a wide price-performance range Advanced bond systems for high performance on different materials Freer cutting and good component finish TOPLINE Recommendations Component Axels (Auto) Bolts Bushings (Hard) Bushings (Cast iron) Carbon steel/cast iron/copper Drills Ebonite Roller bearing cups (small dia) Bearing rollers Spine shafts Soft steel Hard steel High speed steel (roughing) Stainless steel Valve stems Valve tappets Tungsten carbide TOPLINE specification 1A 60 L5 VT4C 1A 60 M5 VT4C 1A 60 L5 VT4C 5C 463 L5 VSA 5C 463 L5 VSA 1A 60 M5 VT4C 5C 463 L5 VSA 1A 60 L5 VS10 1A 60 M5 VS10 1A 60 L5 VT4C 1A 60 N5 VT4C 1A 60 L5 VS10 1A 463 L5 VS10 5C 463 L5 VSA 1A 60 L5 VS10 1A 60 L5 VS10 6G 60 K5 VSA
Abrasive Grit Hardness Type Bond 1A 24, 36, 463, 54, 60, 80 K, L, M, O, Q 1 VT4 12 3 3/4 5 5/8 300 80 140 2100 12 4 5 300 100 127 2100 14 1, 1 1/4, 1 1/2 5 350 25, 32, 38 127 1800 14 2, 4, 6 5, 6 350 50, 100, 150 127, 152.4 1800 16 1 5, 8 400 25 127, 203.2 1575 16 1 1/2, 2 5, 8 400 38, 50 127, 203.2 1575 16 4 10 400 100 254 1575 16 8 8 400 200 203.2 1575 18 3 1 1/2 450 75 38.1 1400 20 1-10 12 500 25-250 304.8 1260 24 2 1/2 12 600 63 304.8 1050 24 2-8 12 600 50-200 304.8 1050 24 10, 20 12 600 250, 500 304.8 1050 Abrasive Grit Hardness Type Bond 8M 46, 54, 60, 80, 90 C, H, I, J, K 1 B 7 1/2-1 1 1/4 175 13-25 31.75 3600 8 1/2 1 1/4 200 13 31.75 3150 10 1 3 250 25 76.2 2520 12 1 3 300 25 76.2 2100 12 1, 1 1/2 5 300 25, 38 127 2100 14 1-2 5 350 25-50 127 1800 20 6, 8 12 500 150, 200 304.8 1260 24 6, 8 12 600 150, 200 304.8 1050 24 10, 20 12 600 250, 500 304.8 1050
RICE POLISHING WHEELS Minimize rice breakage and get the whitest rice. Used in the food processing industry to polish and whiten rice grains. User segments Rice mills The TOPLINE advantage Enhanced whitening Minimized breakage of rice reducing the total process cost Range of sizes for different machines and tooling TOPLINE Recommendations Component Boiled rice (heavy grains) Boiled rice Raw rice TOPLINE specification 5C 16 P5 VSC 5C 30 P5 VSC 6G 30 P5 VSC Abrasive Grit Hardness Bond 6G 24, 30, 36 1 VSC 5C 16, 24, 30, 36 1 VSC Dia. (mm) Thick. (mm) Bore (mm) Set 250 60 169 6 250 60 170 6 340 94 230 6 230 75 140 4 Abrasive Grit Bond 6G 30, 36 VSC Dia. (mm) Thick. (mm) Bore (mm) Set Type 250 60 170 Single Taper 250 60 169 Single Taper 250 60 170 Single Plain
Abrasive Grit Bond 5C 16, 30 VSC Dia. (mm) Thick. (mm) Bore (mm) Set Type 250 60 170 Single Taper 250 60 169 Single Taper 250 60 170 Single Plain 838.2 114.3 722 4-863.6 114.3 722 4-889 114.3 760 4-914.4 114.3 760 4 -
SURFACE GRINDING SEGMENTS A shape and size for every surface grinding application. Used in rotary table surface grinding applications on differently shaped components User segments Automotive Cutting tools and dies The TOPLINE advantage Customizable shapes and sizes to suit your grinding requirement Advanced VS2 bond provides excellent cutting action and life Open structured VSPS bond gives performance in cool cutting applications Moderate price, high performance TOPLINE Recommendations Component Steel (hard) High speed steel TOPLINE specification 2A 36 I5 VSP 2A 46 H5 VSP Abrasive Grit Hardness Bond 2A, 6CG, 6G, 5C 36, 241 H, I, J VS2 / VS8 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 6 4 5/7 4 1/7 150 120 105 6 6 4 150 150 100 6 11 1/4 3 150 286 76 6 3 1/8 1 150 80 25 8 4 1 1/2 200 103 38 8 4 3/4 4 200 120 105 10 6 3 250 150 80
Abrasive Grit Hardness Type Bond 6G 46, 120 H, K F B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 23 2 1/2 7 3/4 585 65 195 26 2 1/2 1 5/8 660 65 40 Abrasive Grit Hardness Type Bond 2A 36, 60 J, K F B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 14 3 1/4 10 3/4 350 80 270 26 2 3/4 10 660.4 70 250
quality & innovation IN GRINDING WHEEL TECHNOLOGY DEPRESSED CENTRE (DC) WHEELS
DEPRESSED CENTRE (DC) WHEELS Be it high stock removal, long life, price or all of them a wheel for your every need in the TOPLINE range of DC wheels Commonly used for de-burring, weld leveling, edge preparation, removal of rolling cracks, cutting runners and raisers, V-grooving and chamfering. User segments Chemical and process grinders Dairy Foundry and fabrication Pipe and grill manufacturing Weld grinding Steel and stainless steel Petrochemical maintenance The TOPLINE advantage Tailor made brands to cater to different requirements Reduced operator fatigue Safe and reliable Superior cut rates at affordable prices Abrasive Grit Type Bond 1A 24, 30 27 BF 3 1/4 3/8 75 6 9 18000 4 5/32 5/8 100 4 16 15280 4 1/4 3/8-5/8 100 6 9-16 15280 4 1/2 3/16 7/8 115 4.5 22.23 13580 4 1/2 1/4 5/8, 7/8 115 6 16, 22.23 13580 5 1/5 7/8 125 5 22.23 12225 5 1/4 5/8, 7/8 125 6 16, 22.23 12225 5 2/7 7/8 125 7 22.23 12225 6 1/4 5/8, 7/8 150 6 16, 22.23 10185 6 1/4 7/8 150 6 16, 22.23 10185 7 1/4 7/8 180 6 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 1/4 5/8, 7/8 230 6 16, 22.23 6600 9 2/7 5/8, 7/8 230 7 16, 22.23 6600 TOPLINE G03 Designed for greater wheel life with optimum cut rate Offers an effortless grinding experience making it perfect to grind steel, grey iron castings, carbon steel and mild steel.
7 1/5 7/8 180 5 22.23 8600 7 1/4 7/8 180 6 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 1/5 7/8 230 5 22.23 6600 9 1/4 7/8 230 6 22.23 6600 9 2/7 7/8 230 7 22.23 6600 TOPLINE Maxi Performance for the price conscious user Versatile, multi-purpose wheel with good cut rate and long life making it the first choice of construction sites and fabrication shops. 7 5/32 7/8 180 4 22.23 8600 7 1/5 7/8 180 5 22.23 8600 7 1/4 7/8 180 6 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 2/7 7/8 230 7 22.23 6600 TOPLINE 2in1 A blend of high stock removal and long life for medium to heavy fabrication work Engineered for balanced performance and high grinding ratios making it the right solution for gates and risers, notching and welding. 7 2/7 7/8 180 7 22.23 8600 9 2/7 7/8 230 7 22.23 6600 TOPLINE - Zircon Redefining performance Formulated with premium long-life abrasive grain that works magic in grinding stainless steel, high alloy steel and ferrous metals. 4 5/32 5/8 100 4 16 15280 4 1/4 5/8 100 6 16 15280 5 1/5 7/8 125 5 22.23 12225 5 2/7 7/8 125 7 22.23 12225 7 1/5 7/8 180 5 22.23 8600 7 1/4 7/8 180 6 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 2/7 7/8 230 7 22.23 6600
TOPLINE Extra Extra life for castings and mild steel applications. Designed for long life on castings and mild steel grinding applications. 7 1/5 7/8 180 5 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 2/7 7/8 230 7 22.23 6600 TOPLINE Cast Iron Specially formulated for the best price-performance ratio on cast iron applications. Reduces total grinding cost on cast iron grinding applications. 7 1/5 7/8 180 5 22.23 8600 7 2/7 7/8 180 7 22.23 8600 9 2/7 7/8 230 7 22.23 6600
REINFORCED CUT-OFF WHEELS Slice through metals, refractory bricks, stone, reinforced concrete and masonry with TOPLINE reinforced cutoff wheels. Commonly used for notching, sheet metal cutting, pipe cutting, removal of risers, metal plate dimensioning, bar cutting, rail cutting, etc. User segments Investment castings Steel manufacturing Welding and construction Foundry & Metal fabrication Pipe manufacturing The TOPLINE advantage Double reinforced for added safety and better cutting efficiency Ease of cut reducing operator fatigue Zirconia-alumina wheels engineered for premium performance especially for stainless steel cutting Abrasive Grit Type Bond 1A 30 1 BF Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 1/8 1/2 100 3 12.7 4 1/8 5/8 100 3 16 5 1/8 7/8 125 3 22.23 7 1/8 7/8 180 3/3.2 22.23 7 1/6 7/8 180 4 22.23 9 1/8 7/8 230 3 22.23 9 2/7 5/8 230 7 15.88 12 1/8 1 300 3 25.4 14 1/8 1 350 3/3.2 25.4 16 1/8 1 400 3 25.4 16 1/6 1 400 4 25.4 20 1/7 1 5/8 500 3.8 40 20 1/5 1 5/8 500 5 40
SNAGGING WHEELS A delicate balance of wheel life and stock removal to eliminate that excess metal. Commonly used in the smoothening of weld seams, cleaning of castings, surface preparation for painting or plating and billet conditioning. User segments Foundry & Metal fabrication Welding & Construction Steel mills Shipyards & Railways Earth moving equipment The TOPLINE advantage Heavy duty versatility: Wheels for a wide range of materials Performance: Perfect balance of stock removal and wheel life TOPLINE Recommendations Material Low alloy steel, manganese TOPLINE specification 1A 46 P5 BT 1A 16 S3 BT Non ferrous metals, cast iron & chilled iron 5C 16/20 Steel, cast steel 1A 16/20 Abrasive Grit Type Bond 1A 16, 20, 60, 143 1 BT Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 3/4 1/2 100 20 12.7 6 3/4, 1 5/8 150 20, 25 15.88 8 2/5 1 1/4 200 10 31.75 12 1 5/8 1 1/4, 1 1/2 300 40 31.75, 38.1 14 1 5/8 1 1/2 350 40 38.1 14 2 2 350 50 50.8 16 2 1 1/2 400 50 38.1 16 2 2-6 400 50 50.8-152.4 16 2 5/8 6 400 65 152.4 18 2 2 450 50 50.8 20 3 8 500 75 203.2
Abrasive Grit Type Bond 5C 16, 20 1 B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 6 3/4, 1 5/8 150 20, 25 15.88 8 1 5/8 200 25 15.88 14 2 2 350 50 50.8 16 2 1 1/2 400 50 38.1 16 2 2, 6 400 50 50.8, 152.4 16 2 5/8 6 400 65 152.4 18 2 2 450 50 50.8 20 3 8 500 75 203.2
INTERNAL GRINDING Accurately profile surfaces so that components fit perfectly. Used in bore grinding of inner rings, gears etc. and track grinding of outer rings, steering nuts, etc. User segments Automotive Engineering component manufacturing Cutting tools and dies Bearings The TOPLINE advantage Advanced tooling techniques enabling accurate dimensioning of components Precisely ground surfaces Free cutting design improves stock removal rates. TOPLINE Recommendations Material Best Better Good Sulfur treated TOPLINE recommendation 8M 80 K9 VT6 4A 60 L7 VS11 1A 60 K5 VT4 2A 60 M8 VS11 Abrasive Grit Hardness Bond 8M 60 K, M VT6 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (In.) 1/2 1/2 1/4-13 13 6.35-3/4 3/4 1/4 3/8x3/8 20 20 6.35 9x9 1 1 3/8 1/2x1/2 25 25 9 12.7x12.7 1 1 1/4 1/2x1/2 25 25 6.35 12.7x12.7 1 ¼ 1 3/8 5/8x1/2 31.75 25 9 16x12.7 1 ½ 1 3/8 3/4x1/2 38.1 25 9 20x12.7 1 ½ 1 3/8 5/8x1/2 38.1 25 9 16x12.7 2 1 3/8 3/4x1/2 50 25 9 20x12.7 2 1 1/2 5/8 1x3/4 50 38 16 25x20
CREEPFEED GRINDING Specially formulated porous bond systems to rough and finish a variety of materials in a single pass. Used to grind difficult to machine alloys requiring high stock removal rates. User segments Aerospace Turbine manufacturing The TOPLINE advantage Specially formulated VSCP bond system for exceptional stock removal rates and burr-free surface finish Good repeatability Lower total grinding cost TOPLINE Recommendations Material Nickel alloys Tool steel/high chrome steel Titanium/ cast iron TOPLINE recommendation 2A/4A 2A 6G Abrasive Grit Hardness Bond 4A,2A 60, 80 Hard, Harder, Extra Hard VS10 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 16 1 5 400 25 127 16 2 1/2 5 400 63 127 16 4 5 400 100 127 20 2 1/2 8 500 63 203.2 20 4 8 500 100 203.2 24 4 8 600 100 203.2
SAW GUMMING WHEELS As sharp as new in a matter of seconds Used to shape and re-sharpen various types of saws primarily in the timber and woodworking industries. User segments Timber and woodworking Construction Saw manufacturing The TOPLINE advantage Twin advantages of fast cutting and long life Designed for safe grinding while avoiding damage to the saw blade Speeds of up to 45 m/s TOPLINE Recommendations Material Band saw Band saw for logs Mill saws/circular saws Circular saws for metal Circular saws (high speed steel) TOPLINE recommendation 2A 100 VS8 1A 60 P VS30 2A 60 M VS8 4A 100 N VS10 2A 46 N VS8 Abrasive Grit Hardness Type Bond 1A 46, 54, 60, 100 M, N, P 1 VT2 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 1/8 1 1/4 100 3 31.75 4 1/5 1 1/4 100 5 31.75 4 1/3 1 1/4 100 8 31.75 5 5/32 1 1/4 125 4 31.75 5 1/4 1 1/4 125 6 31.75 8 1/4 1 1/4 200 6 31.75 8 1/3 1 1/4 200 8 31.75 8 2/5 1 1/4 200 10 31.75 10 2/5 1 1/4 250 10 31.75 10 1/2 1 1/4 250 13 31.75